FileUtil
Date: 2013-01-10

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## org.apache.ivy.util
Class FileUtil

    java.lang.Object
      org.apache.ivy.util.FileUtil

    public final class FileUtil

extends java.lang.Object

Utility class used to deal with file related operations, like copy, full reading, symlink, ...

Method Summary
`static java.lang.String` | `concat(java.lang.String dir, java.lang.String file)`
`static boolean` | `copy(java.io.File src, java.io.File dest, CopyProgressListener l)`
`static boolean` | `copy(java.io.File src, java.io.File dest, CopyProgressListener l, boolean overwrite)`
`static void` | `copy(java.io.File src, java.net.URL dest, CopyProgressListener l)`
`static void` | `copy(java.io.InputStream src, java.io.File dest, CopyProgressListener l)`
`static void` | `copy(java.io.InputStream src, java.io.OutputStream dest, CopyProgressListener l)`
`static void` | `copy(java.io.InputStream src, java.io.OutputStream dest, CopyProgressListener l, boolean autoClose)`
`static void` | `copy(java.net.URL src, java.io.File dest, CopyProgressListener l)`
`static boolean` | `forceDelete(java.io.File file)` Recursively delete file
`static java.util.List` | `getPathFiles(java.io.File root, java.io.File file)` Returns a list of Files composed of all directories being parent of file and child of root + file and root themselves.
`static java.util.Collection` | `listAll(java.io.File dir, java.util.Collection ignore)` Returns a collection of all Files being contained in the given directory, recursively, including directories.
`static java.io.File` | `normalize(java.lang.String path)` "Normalize" the given absolute path.
`static java.lang.String` | `readEntirely(java.io.BufferedReader in)` Reads the whole BufferedReader line by line, using \n as line separator for each line.
`static java.lang.String` | `readEntirely(java.io.File f)` Reads the entire content of the file and returns it as a String.
`static java.lang.String` | `readEntirely(java.io.InputStream is)` Reads the entire content of the `InputStream` and returns it as a String.
`static java.io.File` | `resolveFile(java.io.File file, java.lang.String filename)`
`static void` | `symlink(java.io.File src, java.io.File dest, CopyProgressListener l, boolean overwrite)`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Method Detail

### symlink

    public static void symlink(java.io.File src,
                               java.io.File dest,
                               CopyProgressListener l,
                               boolean overwrite)
                        throws java.io.IOException

  Throws:
    `java.io.IOException`

### copy

    public static boolean copy(java.io.File src,
                               java.io.File dest,
                               CopyProgressListener l)
                        throws java.io.IOException

  Throws:
    `java.io.IOException`

### copy

    public static boolean copy(java.io.File src,
                               java.io.File dest,
                               CopyProgressListener l,
                               boolean overwrite)
                        throws java.io.IOException

  Throws:
    `java.io.IOException`

### copy

    public static void copy(java.net.URL src,
                            java.io.File dest,
                            CopyProgressListener l)
                     throws java.io.IOException

  Throws:
    `java.io.IOException`

### copy

    public static void copy(java.io.File src,
                            java.net.URL dest,
                            CopyProgressListener l)
                     throws java.io.IOException

  Throws:
    `java.io.IOException`

### copy

    public static void copy(java.io.InputStream src,
                            java.io.File dest,
                            CopyProgressListener l)
                     throws java.io.IOException

  Throws:
    `java.io.IOException`

### copy

    public static void copy(java.io.InputStream src,
                            java.io.OutputStream dest,
                            CopyProgressListener l)
                     throws java.io.IOException

  Throws:
    `java.io.IOException`

### copy

    public static void copy(java.io.InputStream src,
                            java.io.OutputStream dest,
                            CopyProgressListener l,
                            boolean autoClose)
                     throws java.io.IOException

  Throws:
    `java.io.IOException`

### readEntirely

    public static java.lang.String readEntirely(java.io.BufferedReader in)
                                         throws java.io.IOException

  Reads the whole BufferedReader line by line, using \n as line separator for each line.

  Note that this method will add a final \n to the last line even though there is no new line character at the end of last line in the original reader.

  The BufferedReader is closed when this method returns.

  Parameters:
    `in` - the `BufferedReader` to read from
  Returns:
    a String with the whole content read from the `BufferedReader`
  Throws:
    `java.io.IOException` - if an IO problems occur during reading

### readEntirely

    public static java.lang.String readEntirely(java.io.File f)
                                         throws java.io.IOException

  Reads the entire content of the file and returns it as a String.

  Parameters:
    `f` - the file to read from
  Returns:
    a String with the file content
  Throws:
    `java.io.IOException` - if an IO problems occurs during reading

### readEntirely

    public static java.lang.String readEntirely(java.io.InputStream is)
                                         throws java.io.IOException

  Reads the entire content of the `InputStream` and returns it as a String.

  The input stream is closed when this method returns.

  Parameters:
    `is` - the `InputStream` to read from
  Returns:
    a String with the input stream content
  Throws:
    `java.io.IOException` - if an IO problems occurs during reading

### concat

    public static java.lang.String concat(java.lang.String dir,
                                          java.lang.String file)

### forceDelete

    public static boolean forceDelete(java.io.File file)

  Recursively delete file

  Parameters:
    `file` - the file to delete
  Returns:
    true if the deletion completed successfully (ie if the file does not exist on the filesystem after this call), false if a deletion was not performed successfully.

### getPathFiles

    public static java.util.List getPathFiles(java.io.File root,
                                              java.io.File file)

  Returns a list of Files composed of all directories being parent of file and child of root + file and root themselves. Example: getPathFiles(new File("test"), new File("test/dir1/dir2/file.txt")) => {new File("test/dir1"), new File("test/dir1/dir2"), new File("test/dir1/dir2/file.txt") } Note that if root is not an ancester of file, or if root is null, all directories from the file system root will be returned.

### listAll

    public static java.util.Collection listAll(java.io.File dir,
                                               java.util.Collection ignore)

  Returns a collection of all Files being contained in the given directory, recursively, including directories.

  Parameters:
    `dir` - The directory from which all files, including files in subdirectory) are extracted.
    `ignore` - a Collection of filenames which must be excluded from listing
  Returns:
    A collectoin containing all the files of the given directory and it's subdirectories.

### resolveFile

    public static java.io.File resolveFile(java.io.File file,
                                           java.lang.String filename)

### normalize

    public static java.io.File normalize(java.lang.String path)

  "Normalize" the given absolute path.

  This includes:

  - Uppercase the drive letter if there is one.
  - Remove redundant slashes after the drive spec.
  - Resolve all ./, .\, ../ and ..\ sequences.
  - DOS style paths that start with a drive letter will have \ as the separator.
  Unlike `File.getCanonicalPath()` this method specifically does not resolve symbolic links.

  Parameters:
    `path` - the path to be normalized.
  Returns:
    the normalized version of the path.
  Throws:
    `java.lang.NullPointerException` - if path is null.

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