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Files (Guava Libraries 2010.01.04)
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SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD>
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DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD>
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com.google.common.io</FONT>
<BR>
Class Files</H2>
<PRE>
<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A>
<IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>com.google.common.io.Files</B>
</PRE>
<HR>
<DL>
<DT><PRE>public final class <B>Files</B><DT>extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></DL>
</PRE>
<P>
Provides utility methods for working with files.
<p>All method parameters must be non-null unless documented otherwise.
<P>
<P>
<DL>
<DT><B>Since:</B></DT>
<DD>2009.09.15 <b>tentative</b></DD>
<DT><B>Author:</B></DT>
<DD>Chris Nokleberg</DD>
</DL>
<HR>
<P>
<!-- ========== METHOD SUMMARY =========== -->
<A NAME="method_summary"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Method Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#append(java.lang.CharSequence, java.io.File, java.nio.charset.Charset)">append</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/CharSequence.html?is-external=true" title="class or interface in java.lang">CharSequence</A> from,
<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> to,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A> charset)</CODE>
<BR>
Appends a character sequence (such as a string) to a file using the given
character set.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#copy(java.io.File, java.nio.charset.Charset, java.lang.Appendable)">copy</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> from,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A> charset,
<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Appendable.html?is-external=true" title="class or interface in java.lang">Appendable</A> to)</CODE>
<BR>
Copies all characters from a file to an appendable object,
using the given character set.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">
<TR ALIGN="right" VALIGN="">
<TD NOWRAP><FONT SIZE="-1">
<CODE><W extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Appendable.html?is-external=true" title="class or interface in java.lang">Appendable</A> & <A HREF="http://java.sun.com/javase/6/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</A>>
<BR>
void</CODE></FONT></TD>
</TR>
</TABLE>
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#copy(java.io.File, java.nio.charset.Charset, com.google.common.io.OutputSupplier)">copy</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> from,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A> charset,
<A HREF="../../../../com/google/common/io/OutputSupplier.html" title="interface in com.google.common.io">OutputSupplier</A><W> to)</CODE>
<BR>
Copies all characters from a file to a <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Appendable.html?is-external=true" title="class or interface in java.lang"><CODE>Appendable</CODE></A> &
<A HREF="http://java.sun.com/javase/6/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io"><CODE>Closeable</CODE></A> object supplied by a factory, using the given
character set.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#copy(java.io.File, java.io.File)">copy</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> from,
<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> to)</CODE>
<BR>
Copies all the bytes from one file to another.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#copy(java.io.File, java.io.OutputStream)">copy</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> from,
<A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</A> to)</CODE>
<BR>
Copies all bytes from a file to an output stream.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#copy(java.io.File, com.google.common.io.OutputSupplier)">copy</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> from,
<A HREF="../../../../com/google/common/io/OutputSupplier.html" title="interface in com.google.common.io">OutputSupplier</A><? extends <A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</A>> to)</CODE>
<BR>
Copies all bytes from a file to an <A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io"><CODE>OutputStream</CODE></A> supplied by
a factory.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#copy(com.google.common.io.InputSupplier, java.io.File)">copy</A></B>(<A HREF="../../../../com/google/common/io/InputSupplier.html" title="interface in com.google.common.io">InputSupplier</A><? extends <A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A>> from,
<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> to)</CODE>
<BR>
Copies to a file all bytes from an <A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io"><CODE>InputStream</CODE></A> supplied by a
factory.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">
<TR ALIGN="right" VALIGN="">
<TD NOWRAP><FONT SIZE="-1">
<CODE><R extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Readable.html?is-external=true" title="class or interface in java.lang">Readable</A> & <A HREF="http://java.sun.com/javase/6/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</A>>
<BR>
void</CODE></FONT></TD>
</TR>
</TABLE>
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#copy(com.google.common.io.InputSupplier, java.io.File, java.nio.charset.Charset)">copy</A></B>(<A HREF="../../../../com/google/common/io/InputSupplier.html" title="interface in com.google.common.io">InputSupplier</A><R> from,
<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> to,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A> charset)</CODE>
<BR>
Copies to a file all characters from a <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Readable.html?is-external=true" title="class or interface in java.lang"><CODE>Readable</CODE></A> and
<A HREF="http://java.sun.com/javase/6/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io"><CODE>Closeable</CODE></A> object supplied by a factory, using the given
character set.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#createTempDir()">createTempDir</A></B>()</CODE>
<BR>
Atomically creates a new directory somewhere beneath the system's
temporary directory (as defined by the <code>java.io.tmpdir</code> system
property), and returns its name.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#deleteDirectoryContents(java.io.File)">deleteDirectoryContents</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> directory)</CODE>
<BR>
Deletes all the files within a directory.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#deleteRecursively(java.io.File)">deleteRecursively</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file)</CODE>
<BR>
Deletes a file or directory and all contents recursively.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#equal(java.io.File, java.io.File)">equal</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file1,
<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file2)</CODE>
<BR>
Returns true if the files contains the same bytes.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static long</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#getChecksum(java.io.File, java.util.zip.Checksum)">getChecksum</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
<A HREF="http://java.sun.com/javase/6/docs/api/java/util/zip/Checksum.html?is-external=true" title="class or interface in java.util.zip">Checksum</A> checksum)</CODE>
<BR>
Computes and returns the checksum value for a file.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#getDigest(java.io.File, java.security.MessageDigest)">getDigest</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
<A HREF="http://java.sun.com/javase/6/docs/api/java/security/MessageDigest.html?is-external=true" title="class or interface in java.security">MessageDigest</A> md)</CODE>
<BR>
Computes and returns the digest value for a file.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/nio/MappedByteBuffer.html?is-external=true" title="class or interface in java.nio">MappedByteBuffer</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#map(java.io.File)">map</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file)</CODE>
<BR>
Fully maps a file read-only in to memory as per
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/channels/FileChannel.html?is-external=true#map(java.nio.channels.FileChannel.MapMode, long, long)" title="class or interface in java.nio.channels"><CODE>FileChannel.map(java.nio.channels.FileChannel.MapMode, long, long)</CODE></A>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/nio/MappedByteBuffer.html?is-external=true" title="class or interface in java.nio">MappedByteBuffer</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#map(java.io.File, java.nio.channels.FileChannel.MapMode)">map</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/channels/FileChannel.MapMode.html?is-external=true" title="class or interface in java.nio.channels">FileChannel.MapMode</A> mode)</CODE>
<BR>
Fully maps a file in to memory as per
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/channels/FileChannel.html?is-external=true#map(java.nio.channels.FileChannel.MapMode, long, long)" title="class or interface in java.nio.channels"><CODE>FileChannel.map(java.nio.channels.FileChannel.MapMode, long, long)</CODE></A>
using the requested <A HREF="http://java.sun.com/javase/6/docs/api/java/nio/channels/FileChannel.MapMode.html?is-external=true" title="class or interface in java.nio.channels"><CODE>FileChannel.MapMode</CODE></A>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/nio/MappedByteBuffer.html?is-external=true" title="class or interface in java.nio">MappedByteBuffer</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#map(java.io.File, java.nio.channels.FileChannel.MapMode, long)">map</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/channels/FileChannel.MapMode.html?is-external=true" title="class or interface in java.nio.channels">FileChannel.MapMode</A> mode,
long size)</CODE>
<BR>
Maps a file in to memory as per
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/channels/FileChannel.html?is-external=true#map(java.nio.channels.FileChannel.MapMode, long, long)" title="class or interface in java.nio.channels"><CODE>FileChannel.map(java.nio.channels.FileChannel.MapMode, long, long)</CODE></A>
using the requested <A HREF="http://java.sun.com/javase/6/docs/api/java/nio/channels/FileChannel.MapMode.html?is-external=true" title="class or interface in java.nio.channels"><CODE>FileChannel.MapMode</CODE></A>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#move(java.io.File, java.io.File)">move</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> from,
<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> to)</CODE>
<BR>
Moves the file from one path to another.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="../../../../com/google/common/io/InputSupplier.html" title="interface in com.google.common.io">InputSupplier</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/io/FileInputStream.html?is-external=true" title="class or interface in java.io">FileInputStream</A>></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#newInputStreamSupplier(java.io.File)">newInputStreamSupplier</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file)</CODE>
<BR>
Returns a factory that will supply instances of <A HREF="http://java.sun.com/javase/6/docs/api/java/io/FileInputStream.html?is-external=true" title="class or interface in java.io"><CODE>FileInputStream</CODE></A>
that read from a file.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="../../../../com/google/common/io/OutputSupplier.html" title="interface in com.google.common.io">OutputSupplier</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/io/FileOutputStream.html?is-external=true" title="class or interface in java.io">FileOutputStream</A>></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#newOutputStreamSupplier(java.io.File)">newOutputStreamSupplier</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file)</CODE>
<BR>
Returns a factory that will supply instances of <A HREF="http://java.sun.com/javase/6/docs/api/java/io/FileOutputStream.html?is-external=true" title="class or interface in java.io"><CODE>FileOutputStream</CODE></A>
that write to a file.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="../../../../com/google/common/io/OutputSupplier.html" title="interface in com.google.common.io">OutputSupplier</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/io/FileOutputStream.html?is-external=true" title="class or interface in java.io">FileOutputStream</A>></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#newOutputStreamSupplier(java.io.File, boolean)">newOutputStreamSupplier</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
boolean append)</CODE>
<BR>
Returns a factory that will supply instances of <A HREF="http://java.sun.com/javase/6/docs/api/java/io/FileOutputStream.html?is-external=true" title="class or interface in java.io"><CODE>FileOutputStream</CODE></A>
that write to or append to a file.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/io/BufferedReader.html?is-external=true" title="class or interface in java.io">BufferedReader</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#newReader(java.io.File, java.nio.charset.Charset)">newReader</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A> charset)</CODE>
<BR>
Returns a buffered reader that reads from a file using the given
character set.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="../../../../com/google/common/io/InputSupplier.html" title="interface in com.google.common.io">InputSupplier</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStreamReader.html?is-external=true" title="class or interface in java.io">InputStreamReader</A>></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#newReaderSupplier(java.io.File, java.nio.charset.Charset)">newReaderSupplier</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A> charset)</CODE>
<BR>
Returns a factory that will supply instances of
<A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStreamReader.html?is-external=true" title="class or interface in java.io"><CODE>InputStreamReader</CODE></A> that read a file using the given character set.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/io/BufferedWriter.html?is-external=true" title="class or interface in java.io">BufferedWriter</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#newWriter(java.io.File, java.nio.charset.Charset)">newWriter</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A> charset)</CODE>
<BR>
Returns a buffered writer that writes to a file using the given
character set.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="../../../../com/google/common/io/OutputSupplier.html" title="interface in com.google.common.io">OutputSupplier</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStreamWriter.html?is-external=true" title="class or interface in java.io">OutputStreamWriter</A>></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#newWriterSupplier(java.io.File, java.nio.charset.Charset)">newWriterSupplier</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A> charset)</CODE>
<BR>
Returns a factory that will supply instances of <A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStreamWriter.html?is-external=true" title="class or interface in java.io"><CODE>OutputStreamWriter</CODE></A>
that write to a file using the given character set.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="../../../../com/google/common/io/OutputSupplier.html" title="interface in com.google.common.io">OutputSupplier</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStreamWriter.html?is-external=true" title="class or interface in java.io">OutputStreamWriter</A>></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#newWriterSupplier(java.io.File, java.nio.charset.Charset, boolean)">newWriterSupplier</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A> charset,
boolean append)</CODE>
<BR>
Returns a factory that will supply instances of <A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStreamWriter.html?is-external=true" title="class or interface in java.io"><CODE>OutputStreamWriter</CODE></A>
that write to or append to a file using the given character set.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">
<TR ALIGN="right" VALIGN="">
<TD NOWRAP><FONT SIZE="-1">
<CODE><T> T</CODE></FONT></TD>
</TR>
</TABLE>
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#readBytes(java.io.File, com.google.common.io.ByteProcessor)">readBytes</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
<A HREF="../../../../com/google/common/io/ByteProcessor.html" title="interface in com.google.common.io">ByteProcessor</A><T> processor)</CODE>
<BR>
Process the bytes of a file.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#readFirstLine(java.io.File, java.nio.charset.Charset)">readFirstLine</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A> charset)</CODE>
<BR>
Reads the first line from a file.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#readLines(java.io.File, java.nio.charset.Charset)">readLines</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A> charset)</CODE>
<BR>
Reads all of the lines from a file.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static
<TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY="">
<TR ALIGN="right" VALIGN="">
<TD NOWRAP><FONT SIZE="-1">
<CODE><T> T</CODE></FONT></TD>
</TR>
</TABLE>
</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#readLines(java.io.File, java.nio.charset.Charset, com.google.common.io.LineProcessor)">readLines</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A> charset,
<A HREF="../../../../com/google/common/io/LineProcessor.html" title="interface in com.google.common.io">LineProcessor</A><T> callback)</CODE>
<BR>
Streams lines from a <A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io"><CODE>File</CODE></A>, stopping when our callback returns
false, or we have read all of the lines.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#toByteArray(java.io.File)">toByteArray</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file)</CODE>
<BR>
Reads all bytes from a file into a byte array.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#toString(java.io.File, java.nio.charset.Charset)">toString</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A> charset)</CODE>
<BR>
Reads all characters from a file into a <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang"><CODE>String</CODE></A>, using the given
character set.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#touch(java.io.File)">touch</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file)</CODE>
<BR>
Creates an empty file or updates the last updated timestamp on the
same as the unix command of the same name.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#write(byte[], java.io.File)">write</A></B>(byte[] from,
<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> to)</CODE>
<BR>
Overwrites a file with the contents of a byte array.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../com/google/common/io/Files.html#write(java.lang.CharSequence, java.io.File, java.nio.charset.Charset)">write</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/CharSequence.html?is-external=true" title="class or interface in java.lang">CharSequence</A> from,
<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> to,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A> charset)</CODE>
<BR>
Writes a character sequence (such as a string) to a file using the given
character set.</TD>
</TR>
</TABLE>
<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
</TR>
</TABLE>
<P>
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
<B>Method Detail</B></FONT></TH>
</TR>
</TABLE>
<A NAME="newReader(java.io.File, java.nio.charset.Charset)"><!-- --></A><H3>
newReader</H3>
<PRE>
public static <A HREF="http://java.sun.com/javase/6/docs/api/java/io/BufferedReader.html?is-external=true" title="class or interface in java.io">BufferedReader</A> <B>newReader</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A> charset)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/FileNotFoundException.html?is-external=true" title="class or interface in java.io">FileNotFoundException</A></PRE>
<DL>
<DD>Returns a buffered reader that reads from a file using the given
character set.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>file</CODE> - the file to read from<DD><CODE>charset</CODE> - the character set used when writing the file
<DT><B>Returns:</B><DD>the buffered reader
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/FileNotFoundException.html?is-external=true" title="class or interface in java.io">FileNotFoundException</A></CODE></DL>
</DD>
</DL>
<HR>
<A NAME="newWriter(java.io.File, java.nio.charset.Charset)"><!-- --></A><H3>
newWriter</H3>
<PRE>
public static <A HREF="http://java.sun.com/javase/6/docs/api/java/io/BufferedWriter.html?is-external=true" title="class or interface in java.io">BufferedWriter</A> <B>newWriter</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A> charset)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/FileNotFoundException.html?is-external=true" title="class or interface in java.io">FileNotFoundException</A></PRE>
<DL>
<DD>Returns a buffered writer that writes to a file using the given
character set.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>file</CODE> - the file to write to<DD><CODE>charset</CODE> - the character set used when writing the file
<DT><B>Returns:</B><DD>the buffered writer
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/FileNotFoundException.html?is-external=true" title="class or interface in java.io">FileNotFoundException</A></CODE></DL>
</DD>
</DL>
<HR>
<A NAME="newInputStreamSupplier(java.io.File)"><!-- --></A><H3>
newInputStreamSupplier</H3>
<PRE>
public static <A HREF="../../../../com/google/common/io/InputSupplier.html" title="interface in com.google.common.io">InputSupplier</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/io/FileInputStream.html?is-external=true" title="class or interface in java.io">FileInputStream</A>> <B>newInputStreamSupplier</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file)</PRE>
<DL>
<DD>Returns a factory that will supply instances of <A HREF="http://java.sun.com/javase/6/docs/api/java/io/FileInputStream.html?is-external=true" title="class or interface in java.io"><CODE>FileInputStream</CODE></A>
that read from a file.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>file</CODE> - the file to read from
<DT><B>Returns:</B><DD>the factory</DL>
</DD>
</DL>
<HR>
<A NAME="newOutputStreamSupplier(java.io.File)"><!-- --></A><H3>
newOutputStreamSupplier</H3>
<PRE>
public static <A HREF="../../../../com/google/common/io/OutputSupplier.html" title="interface in com.google.common.io">OutputSupplier</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/io/FileOutputStream.html?is-external=true" title="class or interface in java.io">FileOutputStream</A>> <B>newOutputStreamSupplier</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file)</PRE>
<DL>
<DD>Returns a factory that will supply instances of <A HREF="http://java.sun.com/javase/6/docs/api/java/io/FileOutputStream.html?is-external=true" title="class or interface in java.io"><CODE>FileOutputStream</CODE></A>
that write to a file.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>file</CODE> - the file to write to
<DT><B>Returns:</B><DD>the factory</DL>
</DD>
</DL>
<HR>
<A NAME="newOutputStreamSupplier(java.io.File, boolean)"><!-- --></A><H3>
newOutputStreamSupplier</H3>
<PRE>
public static <A HREF="../../../../com/google/common/io/OutputSupplier.html" title="interface in com.google.common.io">OutputSupplier</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/io/FileOutputStream.html?is-external=true" title="class or interface in java.io">FileOutputStream</A>> <B>newOutputStreamSupplier</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
boolean append)</PRE>
<DL>
<DD>Returns a factory that will supply instances of <A HREF="http://java.sun.com/javase/6/docs/api/java/io/FileOutputStream.html?is-external=true" title="class or interface in java.io"><CODE>FileOutputStream</CODE></A>
that write to or append to a file.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>file</CODE> - the file to write to<DD><CODE>append</CODE> - if true, the encoded characters will be appended to the file;
otherwise the file is overwritten
<DT><B>Returns:</B><DD>the factory</DL>
</DD>
</DL>
<HR>
<A NAME="newReaderSupplier(java.io.File, java.nio.charset.Charset)"><!-- --></A><H3>
newReaderSupplier</H3>
<PRE>
public static <A HREF="../../../../com/google/common/io/InputSupplier.html" title="interface in com.google.common.io">InputSupplier</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStreamReader.html?is-external=true" title="class or interface in java.io">InputStreamReader</A>> <B>newReaderSupplier</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A> charset)</PRE>
<DL>
<DD>Returns a factory that will supply instances of
<A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStreamReader.html?is-external=true" title="class or interface in java.io"><CODE>InputStreamReader</CODE></A> that read a file using the given character set.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>file</CODE> - the file to read from<DD><CODE>charset</CODE> - the character set used when reading the file
<DT><B>Returns:</B><DD>the factory</DL>
</DD>
</DL>
<HR>
<A NAME="newWriterSupplier(java.io.File, java.nio.charset.Charset)"><!-- --></A><H3>
newWriterSupplier</H3>
<PRE>
public static <A HREF="../../../../com/google/common/io/OutputSupplier.html" title="interface in com.google.common.io">OutputSupplier</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStreamWriter.html?is-external=true" title="class or interface in java.io">OutputStreamWriter</A>> <B>newWriterSupplier</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A> charset)</PRE>
<DL>
<DD>Returns a factory that will supply instances of <A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStreamWriter.html?is-external=true" title="class or interface in java.io"><CODE>OutputStreamWriter</CODE></A>
that write to a file using the given character set.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>file</CODE> - the file to write to<DD><CODE>charset</CODE> - the character set used when writing the file
<DT><B>Returns:</B><DD>the factory</DL>
</DD>
</DL>
<HR>
<A NAME="newWriterSupplier(java.io.File, java.nio.charset.Charset, boolean)"><!-- --></A><H3>
newWriterSupplier</H3>
<PRE>
public static <A HREF="../../../../com/google/common/io/OutputSupplier.html" title="interface in com.google.common.io">OutputSupplier</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStreamWriter.html?is-external=true" title="class or interface in java.io">OutputStreamWriter</A>> <B>newWriterSupplier</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A> charset,
boolean append)</PRE>
<DL>
<DD>Returns a factory that will supply instances of <A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStreamWriter.html?is-external=true" title="class or interface in java.io"><CODE>OutputStreamWriter</CODE></A>
that write to or append to a file using the given character set.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>file</CODE> - the file to write to<DD><CODE>charset</CODE> - the character set used when writing the file<DD><CODE>append</CODE> - if true, the encoded characters will be appended to the file;
otherwise the file is overwritten
<DT><B>Returns:</B><DD>the factory</DL>
</DD>
</DL>
<HR>
<A NAME="toByteArray(java.io.File)"><!-- --></A><H3>
toByteArray</H3>
<PRE>
public static byte[] <B>toByteArray</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Reads all bytes from a file into a byte array.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>file</CODE> - the file to read from
<DT><B>Returns:</B><DD>a byte array containing all the bytes from file
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if the file is bigger than the largest
possible byte array (2^31 - 1)
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if an I/O error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="toString(java.io.File, java.nio.charset.Charset)"><!-- --></A><H3>
toString</H3>
<PRE>
public static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>toString</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A> charset)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Reads all characters from a file into a <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang"><CODE>String</CODE></A>, using the given
character set.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>file</CODE> - the file to read from<DD><CODE>charset</CODE> - the character set used when reading the file
<DT><B>Returns:</B><DD>a string containing all the characters from the file
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if an I/O error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="copy(com.google.common.io.InputSupplier, java.io.File)"><!-- --></A><H3>
copy</H3>
<PRE>
public static void <B>copy</B>(<A HREF="../../../../com/google/common/io/InputSupplier.html" title="interface in com.google.common.io">InputSupplier</A><? extends <A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</A>> from,
<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> to)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Copies to a file all bytes from an <A HREF="http://java.sun.com/javase/6/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io"><CODE>InputStream</CODE></A> supplied by a
factory.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>from</CODE> - the input factory<DD><CODE>to</CODE> - the destination file
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if an I/O error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="write(byte[], java.io.File)"><!-- --></A><H3>
write</H3>
<PRE>
public static void <B>write</B>(byte[] from,
<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> to)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Overwrites a file with the contents of a byte array.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>from</CODE> - the bytes to write<DD><CODE>to</CODE> - the destination file
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if an I/O error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="copy(java.io.File, com.google.common.io.OutputSupplier)"><!-- --></A><H3>
copy</H3>
<PRE>
public static void <B>copy</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> from,
<A HREF="../../../../com/google/common/io/OutputSupplier.html" title="interface in com.google.common.io">OutputSupplier</A><? extends <A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</A>> to)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Copies all bytes from a file to an <A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io"><CODE>OutputStream</CODE></A> supplied by
a factory.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>from</CODE> - the source file<DD><CODE>to</CODE> - the output factory
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if an I/O error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="copy(java.io.File, java.io.OutputStream)"><!-- --></A><H3>
copy</H3>
<PRE>
public static void <B>copy</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> from,
<A HREF="http://java.sun.com/javase/6/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</A> to)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Copies all bytes from a file to an output stream.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>from</CODE> - the source file<DD><CODE>to</CODE> - the output stream
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if an I/O error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="copy(java.io.File, java.io.File)"><!-- --></A><H3>
copy</H3>
<PRE>
public static void <B>copy</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> from,
<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> to)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Copies all the bytes from one file to another.
.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>from</CODE> - the source file<DD><CODE>to</CODE> - the destination file
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if an I/O error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="copy(com.google.common.io.InputSupplier, java.io.File, java.nio.charset.Charset)"><!-- --></A><H3>
copy</H3>
<PRE>
public static <R extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Readable.html?is-external=true" title="class or interface in java.lang">Readable</A> & <A HREF="http://java.sun.com/javase/6/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</A>> void <B>copy</B>(<A HREF="../../../../com/google/common/io/InputSupplier.html" title="interface in com.google.common.io">InputSupplier</A><R> from,
<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> to,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A> charset)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Copies to a file all characters from a <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Readable.html?is-external=true" title="class or interface in java.lang"><CODE>Readable</CODE></A> and
<A HREF="http://java.sun.com/javase/6/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io"><CODE>Closeable</CODE></A> object supplied by a factory, using the given
character set.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>from</CODE> - the readable supplier<DD><CODE>to</CODE> - the destination file<DD><CODE>charset</CODE> - the character set used when writing the file
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if an I/O error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="write(java.lang.CharSequence, java.io.File, java.nio.charset.Charset)"><!-- --></A><H3>
write</H3>
<PRE>
public static void <B>write</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/CharSequence.html?is-external=true" title="class or interface in java.lang">CharSequence</A> from,
<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> to,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A> charset)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Writes a character sequence (such as a string) to a file using the given
character set.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>from</CODE> - the character sequence to write<DD><CODE>to</CODE> - the destination file<DD><CODE>charset</CODE> - the character set used when writing the file
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if an I/O error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="append(java.lang.CharSequence, java.io.File, java.nio.charset.Charset)"><!-- --></A><H3>
append</H3>
<PRE>
public static void <B>append</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/CharSequence.html?is-external=true" title="class or interface in java.lang">CharSequence</A> from,
<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> to,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A> charset)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Appends a character sequence (such as a string) to a file using the given
character set.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>from</CODE> - the character sequence to append<DD><CODE>to</CODE> - the destination file<DD><CODE>charset</CODE> - the character set used when writing the file
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if an I/O error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="copy(java.io.File, java.nio.charset.Charset, com.google.common.io.OutputSupplier)"><!-- --></A><H3>
copy</H3>
<PRE>
public static <W extends <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Appendable.html?is-external=true" title="class or interface in java.lang">Appendable</A> & <A HREF="http://java.sun.com/javase/6/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</A>> void <B>copy</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> from,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A> charset,
<A HREF="../../../../com/google/common/io/OutputSupplier.html" title="interface in com.google.common.io">OutputSupplier</A><W> to)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Copies all characters from a file to a <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Appendable.html?is-external=true" title="class or interface in java.lang"><CODE>Appendable</CODE></A> &
<A HREF="http://java.sun.com/javase/6/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io"><CODE>Closeable</CODE></A> object supplied by a factory, using the given
character set.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>from</CODE> - the source file<DD><CODE>charset</CODE> - the character set used when reading the file<DD><CODE>to</CODE> - the appendable supplier
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if an I/O error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="copy(java.io.File, java.nio.charset.Charset, java.lang.Appendable)"><!-- --></A><H3>
copy</H3>
<PRE>
public static void <B>copy</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> from,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A> charset,
<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Appendable.html?is-external=true" title="class or interface in java.lang">Appendable</A> to)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Copies all characters from a file to an appendable object,
using the given character set.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>from</CODE> - the source file<DD><CODE>charset</CODE> - the character set used when reading the file<DD><CODE>to</CODE> - the appendable object
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if an I/O error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="equal(java.io.File, java.io.File)"><!-- --></A><H3>
equal</H3>
<PRE>
public static boolean <B>equal</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file1,
<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file2)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Returns true if the files contains the same bytes.
<P>
<DD><DL>
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if an I/O error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="createTempDir()"><!-- --></A><H3>
createTempDir</H3>
<PRE>
public static <A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> <B>createTempDir</B>()</PRE>
<DL>
<DD>Atomically creates a new directory somewhere beneath the system's
temporary directory (as defined by the <code>java.io.tmpdir</code> system
property), and returns its name.
<p>Use this method instead of <A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true#createTempFile(java.lang.String, java.lang.String)" title="class or interface in java.io"><CODE>File.createTempFile(String, String)</CODE></A>
when you wish to create a directory, not a regular file. A common pitfall
is to call <code>createTempFile</code>, delete the file and create a
directory in its place, but this leads a race condition which can be
exploited to create security vulnerabilities, especially when executable
files are to be written into the directory.
<p>This method assumes that the temporary volume is writable, has free
inodes and free blocks, and that it will not be called thousands of times
per second.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>the newly-created directory
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalStateException.html?is-external=true" title="class or interface in java.lang">IllegalStateException</A></CODE> - if the directory could not be created</DL>
</DD>
</DL>
<HR>
<A NAME="touch(java.io.File)"><!-- --></A><H3>
touch</H3>
<PRE>
public static void <B>touch</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Creates an empty file or updates the last updated timestamp on the
same as the unix command of the same name.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>file</CODE> - the file to create or update
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if an I/O error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="move(java.io.File, java.io.File)"><!-- --></A><H3>
move</H3>
<PRE>
public static void <B>move</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> from,
<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> to)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Moves the file from one path to another. This method can rename a file or
move it to a different directory, like the Unix <code>mv</code> command.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>from</CODE> - the source file<DD><CODE>to</CODE> - the destination file
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if an I/O error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="deleteDirectoryContents(java.io.File)"><!-- --></A><H3>
deleteDirectoryContents</H3>
<PRE>
public static void <B>deleteDirectoryContents</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> directory)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Deletes all the files within a directory. Does not delete the
directory itself.
<p>If the file argument is a symbolic link or there is a symbolic
link in the path leading to the directory, this method will do
nothing. Symbolic links within the directory are not followed.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>directory</CODE> - the directory to delete the contents of
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if the argument is not a directory
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if an I/O error occurs<DT><B>See Also:</B><DD><A HREF="../../../../com/google/common/io/Files.html#deleteRecursively(java.io.File)"><CODE>deleteRecursively(java.io.File)</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="deleteRecursively(java.io.File)"><!-- --></A><H3>
deleteRecursively</H3>
<PRE>
public static void <B>deleteRecursively</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Deletes a file or directory and all contents recursively.
<p>If the file argument is a symbolic link the link will be deleted
but not the target of the link. If the argument is a directory,
symbolic links within the directory will not be followed.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>file</CODE> - the file to delete
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if an I/O error occurs<DT><B>See Also:</B><DD><A HREF="../../../../com/google/common/io/Files.html#deleteDirectoryContents(java.io.File)"><CODE>deleteDirectoryContents(java.io.File)</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="readFirstLine(java.io.File, java.nio.charset.Charset)"><!-- --></A><H3>
readFirstLine</H3>
<PRE>
public static <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <B>readFirstLine</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A> charset)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Reads the first line from a file. The line does not include
line-termination characters, but does include other leading and
trailing whitespace.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>file</CODE> - the file to read from<DD><CODE>charset</CODE> - the character set used when writing the file
<DT><B>Returns:</B><DD>the first line, or null if the file is empty
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if an I/O error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="readLines(java.io.File, java.nio.charset.Charset)"><!-- --></A><H3>
readLines</H3>
<PRE>
public static <A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A><<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>> <B>readLines</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A> charset)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Reads all of the lines from a file. The lines do not include
line-termination characters, but do include other leading and
trailing whitespace.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>file</CODE> - the file to read from<DD><CODE>charset</CODE> - the character set used when writing the file
<DT><B>Returns:</B><DD>a mutable <A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util"><CODE>List</CODE></A> containing all the lines
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if an I/O error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="readLines(java.io.File, java.nio.charset.Charset, com.google.common.io.LineProcessor)"><!-- --></A><H3>
readLines</H3>
<PRE>
public static <T> T <B>readLines</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/charset/Charset.html?is-external=true" title="class or interface in java.nio.charset">Charset</A> charset,
<A HREF="../../../../com/google/common/io/LineProcessor.html" title="interface in com.google.common.io">LineProcessor</A><T> callback)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Streams lines from a <A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io"><CODE>File</CODE></A>, stopping when our callback returns
false, or we have read all of the lines.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>file</CODE> - the file to read from<DD><CODE>charset</CODE> - the character set used when writing the file<DD><CODE>callback</CODE> - the <A HREF="../../../../com/google/common/io/LineProcessor.html" title="interface in com.google.common.io"><CODE>LineProcessor</CODE></A> to use to handle the lines
<DT><B>Returns:</B><DD>the output of processing the lines
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if an I/O error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="readBytes(java.io.File, com.google.common.io.ByteProcessor)"><!-- --></A><H3>
readBytes</H3>
<PRE>
public static <T> T <B>readBytes</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
<A HREF="../../../../com/google/common/io/ByteProcessor.html" title="interface in com.google.common.io">ByteProcessor</A><T> processor)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Process the bytes of a file.
<p>(If this seems too complicated, maybe you're looking for
<A HREF="../../../../com/google/common/io/Files.html#toByteArray(java.io.File)"><CODE>toByteArray(java.io.File)</CODE></A>.)
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>file</CODE> - the file to read<DD><CODE>processor</CODE> - the object to which the bytes of the file are passed.
<DT><B>Returns:</B><DD>the result of the byte processor
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if an I/O error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="getChecksum(java.io.File, java.util.zip.Checksum)"><!-- --></A><H3>
getChecksum</H3>
<PRE>
public static long <B>getChecksum</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
<A HREF="http://java.sun.com/javase/6/docs/api/java/util/zip/Checksum.html?is-external=true" title="class or interface in java.util.zip">Checksum</A> checksum)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Computes and returns the checksum value for a file.
The checksum object is reset when this method returns successfully.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>file</CODE> - the file to read<DD><CODE>checksum</CODE> - the checksum object
<DT><B>Returns:</B><DD>the result of <A HREF="http://java.sun.com/javase/6/docs/api/java/util/zip/Checksum.html?is-external=true#getValue()" title="class or interface in java.util.zip"><CODE>Checksum.getValue()</CODE></A> after updating the
checksum object with all of the bytes in the file
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if an I/O error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="getDigest(java.io.File, java.security.MessageDigest)"><!-- --></A><H3>
getDigest</H3>
<PRE>
public static byte[] <B>getDigest</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
<A HREF="http://java.sun.com/javase/6/docs/api/java/security/MessageDigest.html?is-external=true" title="class or interface in java.security">MessageDigest</A> md)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Computes and returns the digest value for a file.
The digest object is reset when this method returns successfully.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>file</CODE> - the file to read<DD><CODE>md</CODE> - the digest object
<DT><B>Returns:</B><DD>the result of <A HREF="http://java.sun.com/javase/6/docs/api/java/security/MessageDigest.html?is-external=true#digest()" title="class or interface in java.security"><CODE>MessageDigest.digest()</CODE></A> after updating the
digest object with all of the bytes in this file
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if an I/O error occurs</DL>
</DD>
</DL>
<HR>
<A NAME="map(java.io.File)"><!-- --></A><H3>
map</H3>
<PRE>
public static <A HREF="http://java.sun.com/javase/6/docs/api/java/nio/MappedByteBuffer.html?is-external=true" title="class or interface in java.nio">MappedByteBuffer</A> <B>map</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Fully maps a file read-only in to memory as per
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/channels/FileChannel.html?is-external=true#map(java.nio.channels.FileChannel.MapMode, long, long)" title="class or interface in java.nio.channels"><CODE>FileChannel.map(java.nio.channels.FileChannel.MapMode, long, long)</CODE></A>.
<p>Files are mapped from offset 0 to its length.
<p>This only works for files <= <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Integer.html?is-external=true#MAX_VALUE" title="class or interface in java.lang"><CODE>Integer.MAX_VALUE</CODE></A> bytes.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>file</CODE> - the file to map
<DT><B>Returns:</B><DD>a read-only buffer reflecting <code>file</code>
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/FileNotFoundException.html?is-external=true" title="class or interface in java.io">FileNotFoundException</A></CODE> - if the <code>file</code> does not exist
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if an I/O error occurs<DT><B>Since:</B></DT>
<DD>2010.01.04 <b>tentative</b></DD>
<DT><B>See Also:</B><DD><A HREF="http://java.sun.com/javase/6/docs/api/java/nio/channels/FileChannel.html?is-external=true#map(java.nio.channels.FileChannel.MapMode, long, long)" title="class or interface in java.nio.channels"><CODE>FileChannel.map(MapMode, long, long)</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="map(java.io.File, java.nio.channels.FileChannel.MapMode)"><!-- --></A><H3>
map</H3>
<PRE>
public static <A HREF="http://java.sun.com/javase/6/docs/api/java/nio/MappedByteBuffer.html?is-external=true" title="class or interface in java.nio">MappedByteBuffer</A> <B>map</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/channels/FileChannel.MapMode.html?is-external=true" title="class or interface in java.nio.channels">FileChannel.MapMode</A> mode)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Fully maps a file in to memory as per
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/channels/FileChannel.html?is-external=true#map(java.nio.channels.FileChannel.MapMode, long, long)" title="class or interface in java.nio.channels"><CODE>FileChannel.map(java.nio.channels.FileChannel.MapMode, long, long)</CODE></A>
using the requested <A HREF="http://java.sun.com/javase/6/docs/api/java/nio/channels/FileChannel.MapMode.html?is-external=true" title="class or interface in java.nio.channels"><CODE>FileChannel.MapMode</CODE></A>.
<p>Files are mapped from offset 0 to its length.
<p>This only works for files <= <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Integer.html?is-external=true#MAX_VALUE" title="class or interface in java.lang"><CODE>Integer.MAX_VALUE</CODE></A> bytes.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>file</CODE> - the file to map<DD><CODE>mode</CODE> - the mode to use when mapping <code>file</code>
<DT><B>Returns:</B><DD>a buffer reflecting <code>file</code>
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/FileNotFoundException.html?is-external=true" title="class or interface in java.io">FileNotFoundException</A></CODE> - if the <code>file</code> does not exist
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if an I/O error occurs<DT><B>Since:</B></DT>
<DD>2010.01.04 <b>tentative</b></DD>
<DT><B>See Also:</B><DD><A HREF="http://java.sun.com/javase/6/docs/api/java/nio/channels/FileChannel.html?is-external=true#map(java.nio.channels.FileChannel.MapMode, long, long)" title="class or interface in java.nio.channels"><CODE>FileChannel.map(MapMode, long, long)</CODE></A></DL>
</DD>
</DL>
<HR>
<A NAME="map(java.io.File, java.nio.channels.FileChannel.MapMode, long)"><!-- --></A><H3>
map</H3>
<PRE>
public static <A HREF="http://java.sun.com/javase/6/docs/api/java/nio/MappedByteBuffer.html?is-external=true" title="class or interface in java.nio">MappedByteBuffer</A> <B>map</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</A> file,
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/channels/FileChannel.MapMode.html?is-external=true" title="class or interface in java.nio.channels">FileChannel.MapMode</A> mode,
long size)
throws <A HREF="http://java.sun.com/javase/6/docs/api/java/io/FileNotFoundException.html?is-external=true" title="class or interface in java.io">FileNotFoundException</A>,
<A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Maps a file in to memory as per
<A HREF="http://java.sun.com/javase/6/docs/api/java/nio/channels/FileChannel.html?is-external=true#map(java.nio.channels.FileChannel.MapMode, long, long)" title="class or interface in java.nio.channels"><CODE>FileChannel.map(java.nio.channels.FileChannel.MapMode, long, long)</CODE></A>
using the requested <A HREF="http://java.sun.com/javase/6/docs/api/java/nio/channels/FileChannel.MapMode.html?is-external=true" title="class or interface in java.nio.channels"><CODE>FileChannel.MapMode</CODE></A>.
<p>Files are mapped from offset 0 to <code>size</code>.
<p>If the mode is <A HREF="http://java.sun.com/javase/6/docs/api/java/nio/channels/FileChannel.MapMode.html?is-external=true#READ_WRITE" title="class or interface in java.nio.channels"><CODE>FileChannel.MapMode.READ_WRITE</CODE></A> and the file does not exist,
it will be created with the requested <code>size</code>. Thus this method is
useful for creating memory mapped files which do not yet exist.
<p>This only works for files <= <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Integer.html?is-external=true#MAX_VALUE" title="class or interface in java.lang"><CODE>Integer.MAX_VALUE</CODE></A> bytes.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>file</CODE> - the file to map<DD><CODE>mode</CODE> - the mode to use when mapping <code>file</code>
<DT><B>Returns:</B><DD>a buffer reflecting <code>file</code>
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</A></CODE> - if an I/O error occurs
<DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/io/FileNotFoundException.html?is-external=true" title="class or interface in java.io">FileNotFoundException</A></CODE><DT><B>Since:</B></DT>
<DD>2010.01.04 <b>tentative</b></DD>
<DT><B>See Also:</B><DD><A HREF="http://java.sun.com/javase/6/docs/api/java/nio/channels/FileChannel.html?is-external=true#map(java.nio.channels.FileChannel.MapMode, long, long)" title="class or interface in java.nio.channels"><CODE>FileChannel.map(MapMode, long, long)</CODE></A></DL>
</DD>
</DL>
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