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git-svn-id: https://svn.apache.org/repos/asf/maven/components/trunk@344117 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Brett Leslie Porter
parent
e319f1b148
commit
d8f04930df
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@ -24,6 +24,7 @@ import java.io.InputStream;
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import java.net.URL;
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import java.text.DecimalFormat;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Random;
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@ -31,9 +32,9 @@ import java.util.Vector;
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/**
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* This class provides basic facilities for manipulating files and file paths.
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* <p/>
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*
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* <h3>Path-related methods</h3>
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* <p/>
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*
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* <p>Methods exist to retrieve the components of a typical file path. For example
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* <code>/www/hosted/mysite/index.html</code>, can be broken into:
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* <ul>
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@ -45,9 +46,9 @@ import java.util.Vector;
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* There are also methods to {@link #catPath concatenate two paths}, {@link #resolveFile resolve a
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* path relative to a File} and {@link #normalize} a path.
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* </p>
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* <p/>
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*
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* <h3>File-related methods</h3>
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* <p/>
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* <p>
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* There are methods to create a {@link #toFile File from a URL}, copy a
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* {@link #copyFileToDirectory File to a directory},
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* copy a {@link #copyFile File to another File},
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@ -55,9 +56,9 @@ import java.util.Vector;
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* as well as methods to {@link #deleteDirectory(File) delete} and {@link #cleanDirectory(File)
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* clean} a directory.
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* </p>
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* <p/>
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*
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* Common {@link java.io.File} manipulation routines.
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* <p/>
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*
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* Taken from the commons-utils repo.
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* Also code from Alexandria's FileUtils.
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* And from Avalon Excalibur's IO.
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@ -88,6 +89,16 @@ public class FileUtils
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*/
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public static final int ONE_GB = ONE_KB * ONE_MB;
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public static String[] getDefaultExcludes()
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{
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return DirectoryScanner.DEFAULTEXCLUDES;
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}
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public static List getDefaultExcludesAsList()
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{
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return Arrays.asList( getDefaultExcludes() );
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}
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/**
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* Returns a human-readable version of the file size (original is in
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* bytes).
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@ -232,6 +243,20 @@ public class FileUtils
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return buf.toString();
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}
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/**
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* Appends data to a file. The file will be created if it does not exist.
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*
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* @param fileName The name of the file to write.
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* @param data The content to write to the file.
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*/
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public static void fileAppend( String fileName, String data )
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throws IOException
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{
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FileOutputStream out = new FileOutputStream( fileName, true );
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out.write( data.getBytes() );
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out.close();
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}
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/**
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* Writes data to a file. The file will be created if it does not exist.
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*
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@ -307,7 +332,10 @@ public class FileUtils
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/**
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* Given a directory and an array of extensions return an array of compliant files.
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* <p/>
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*
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* TODO Should an ignore list be passed in?
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* TODO Should a recurse flag be passed in?
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*
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* The given extensions should be like "java" and not like ".java"
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*/
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public static String[] getFilesFromExtension( String directory, String[] extensions )
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@ -841,7 +869,7 @@ public class FileUtils
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* <code>/a/b/c</code> + <code>d</code> = <code>/a/b/d</code><br />
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* <code>/a/b/c</code> + <code>../d</code> = <code>/a/d</code><br />
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* </p>
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* <p/>
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*
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* Thieved from Tomcat sources...
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*
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* @return The concatenated paths, or null if error occurs
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@ -912,6 +940,8 @@ public class FileUtils
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return file;
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}
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// FIXME: I'm almost certain this // removal is unnecessary, as getAbsoluteFile() strips
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// them. However, I'm not sure about this UNC stuff. (JT)
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final char[] chars = filename.toCharArray();
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final StringBuffer sb = new StringBuffer();
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@ -966,7 +996,7 @@ public class FileUtils
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public static void forceDelete( final File file )
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throws IOException
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{
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if ( !file.exists() )
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if ( ! file.exists() )
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{
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return;
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}
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@ -992,7 +1022,7 @@ public class FileUtils
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public static void forceDeleteOnExit( final File file )
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throws IOException
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{
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if ( !file.exists() )
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if ( ! file.exists() )
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{
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return;
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}
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@ -1074,8 +1104,8 @@ public class FileUtils
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{
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if ( file.isFile() )
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{
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final String message = "File " + file + " exists and is " +
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"not a directory. Unable to create directory.";
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final String message =
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"File " + file + " exists and is " + "not a directory. Unable to create directory.";
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throw new IOException( message );
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}
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}
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@ -1238,8 +1268,35 @@ public class FileUtils
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public static String FS = System.getProperty( "file.separator" );
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/**
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* Return a list of files as String depending options.
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* This method use case sensitive file name.
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*
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* @param directory the directory to scan
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* @param includes the includes pattern, comma separated
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* @param excludes the excludes pattern, comma separated
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* @param includeBasedir true to include the base dir in each String of file
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* @return a list of files as String
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* @throws IOException
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*/
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public static List getFileNames( File directory, String includes, String excludes, boolean includeBasedir )
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throws IOException
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{
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return getFileNames( directory, includes, excludes, includeBasedir, true );
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}
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/**
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* Return a list of files as String depending options.
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*
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* @param directory the directory to scan
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* @param includes the includes pattern, comma separated
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* @param excludes the excludes pattern, comma separated
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* @param includeBasedir true to include the base dir in each String of file
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* @param isCaseSensitive true if case sensitive
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* @return a list of files as String
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*/
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public static List getFileNames( File directory, String includes, String excludes, boolean includeBasedir,
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boolean isCaseSensitive )
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{
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DirectoryScanner scanner = new DirectoryScanner();
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@ -1255,6 +1312,8 @@ public class FileUtils
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scanner.setExcludes( StringUtils.split( excludes, "," ) );
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}
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scanner.setCaseSensitive( isCaseSensitive );
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scanner.scan();
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String[] files = scanner.getIncludedFiles();
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@ -1265,7 +1324,7 @@ public class FileUtils
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{
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if ( includeBasedir )
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{
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list.add( directory + FS + files[i] );
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list.add( directory + FileUtils.FS + files[i] );
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}
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else
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{
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@ -1286,7 +1345,7 @@ public class FileUtils
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String excludes )
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throws IOException
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{
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if ( !sourceDirectory.exists() )
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if ( ! sourceDirectory.exists() )
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{
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return;
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}
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@ -1303,7 +1362,7 @@ public class FileUtils
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/**
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* Copies a entire directory structure.
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* <p/>
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*
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* Note:
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* <ul>
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* <li>It will include empty directories.
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@ -1361,7 +1420,7 @@ public class FileUtils
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/**
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* Renames a file, even if that involves crossing file system boundaries.
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* <p/>
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*
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* <p>This will remove <code>to</code> (if it exists), ensure that
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* <code>to</code>'s parent directory exists and move
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* <code>from</code>, which involves deleting <code>from</code> as
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@ -1399,11 +1458,11 @@ public class FileUtils
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/**
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* Create a temporary file in a given directory.
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* <p/>
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*
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* <p>The file denoted by the returned abstract pathname did not
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* exist before this method was invoked, any subsequent invocation
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* of this method will yield a different file name.</p>
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* <p/>
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* <p>
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* The filename is prefixNNNNNsuffix where NNNN is a random number
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* </p>
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* <p>This method is different to File.createTempFile of JDK 1.2
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