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## org.apache.commons.io.output
Class FileWriterWithEncoding

    java.lang.Object
      java.io.Writer
          org.apache.commons.io.output.FileWriterWithEncoding

All Implemented Interfaces:
  Closeable, Flushable, Appendable

    public class FileWriterWithEncoding

extends Writer

Writer of files that allows the encoding to be set.

This class provides a simple alternative to `FileWriter` that allows an encoding to be set. Unfortunately, it cannot subclass `FileWriter`.

By default, the file will be overwritten, but this may be changed to append.

The encoding must be specified using either the name of the `Charset`, the `Charset`, or a `CharsetEncoder`. If the default encoding is required then use the `FileWriter` directly, rather than this implementation.

Since:
  1.4
Version:
  $Id: FileWriterWithEncoding.java 1304052 2012-03-22 20:55:29Z ggregory $

Field Summary

Fields inherited from class java.io.Writer
`lock`

Constructor Summary
`FileWriterWithEncoding(File file, Charset encoding)` Constructs a FileWriterWithEncoding with a file encoding.
`FileWriterWithEncoding(File file, Charset encoding, boolean append)` Constructs a FileWriterWithEncoding with a file encoding.
`FileWriterWithEncoding(File file, CharsetEncoder encoding)` Constructs a FileWriterWithEncoding with a file encoding.
`FileWriterWithEncoding(File file, CharsetEncoder encoding, boolean append)` Constructs a FileWriterWithEncoding with a file encoding.
`FileWriterWithEncoding(File file, String encoding)` Constructs a FileWriterWithEncoding with a file encoding.
`FileWriterWithEncoding(File file, String encoding, boolean append)` Constructs a FileWriterWithEncoding with a file encoding.
`FileWriterWithEncoding(String filename, Charset encoding)` Constructs a FileWriterWithEncoding with a file encoding.
`FileWriterWithEncoding(String filename, Charset encoding, boolean append)` Constructs a FileWriterWithEncoding with a file encoding.
`FileWriterWithEncoding(String filename, CharsetEncoder encoding)` Constructs a FileWriterWithEncoding with a file encoding.
`FileWriterWithEncoding(String filename, CharsetEncoder encoding, boolean append)` Constructs a FileWriterWithEncoding with a file encoding.
`FileWriterWithEncoding(String filename, String encoding)` Constructs a FileWriterWithEncoding with a file encoding.
`FileWriterWithEncoding(String filename, String encoding, boolean append)` Constructs a FileWriterWithEncoding with a file encoding.

Method Summary
`void` | `close()` Close the stream.
`void` | `flush()` Flush the stream.
`void` | `write(char[] chr)` Write the characters from an array.
`void` | `write(char[] chr, int st, int end)` Write the specified characters from an array.
`void` | `write(int idx)` Write a character.
`void` | `write(String str)` Write the characters from a string.
`void` | `write(String str, int st, int end)` Write the specified characters from a string.

Methods inherited from class java.io.Writer
`append, append, append`

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

Constructor Detail

### FileWriterWithEncoding

    public FileWriterWithEncoding(String filename,
                                  String encoding)
                           throws IOException

  Constructs a FileWriterWithEncoding with a file encoding.

  Parameters:
    `filename` - the name of the file to write to, not null
    `encoding` - the encoding to use, not null
  Throws:
    `NullPointerException` - if the file name or encoding is null
    `IOException` - in case of an I/O error

### FileWriterWithEncoding

    public FileWriterWithEncoding(String filename,
                                  String encoding,
                                  boolean append)
                           throws IOException

  Constructs a FileWriterWithEncoding with a file encoding.

  Parameters:
    `filename` - the name of the file to write to, not null
    `encoding` - the encoding to use, not null
    `append` - true if content should be appended, false to overwrite
  Throws:
    `NullPointerException` - if the file name or encoding is null
    `IOException` - in case of an I/O error

### FileWriterWithEncoding

    public FileWriterWithEncoding(String filename,
                                  Charset encoding)
                           throws IOException

  Constructs a FileWriterWithEncoding with a file encoding.

  Parameters:
    `filename` - the name of the file to write to, not null
    `encoding` - the encoding to use, not null
  Throws:
    `NullPointerException` - if the file name or encoding is null
    `IOException` - in case of an I/O error

### FileWriterWithEncoding

    public FileWriterWithEncoding(String filename,
                                  Charset encoding,
                                  boolean append)
                           throws IOException

  Constructs a FileWriterWithEncoding with a file encoding.

  Parameters:
    `filename` - the name of the file to write to, not null
    `encoding` - the encoding to use, not null
    `append` - true if content should be appended, false to overwrite
  Throws:
    `NullPointerException` - if the file name or encoding is null
    `IOException` - in case of an I/O error

### FileWriterWithEncoding

    public FileWriterWithEncoding(String filename,
                                  CharsetEncoder encoding)
                           throws IOException

  Constructs a FileWriterWithEncoding with a file encoding.

  Parameters:
    `filename` - the name of the file to write to, not null
    `encoding` - the encoding to use, not null
  Throws:
    `NullPointerException` - if the file name or encoding is null
    `IOException` - in case of an I/O error

### FileWriterWithEncoding

    public FileWriterWithEncoding(String filename,
                                  CharsetEncoder encoding,
                                  boolean append)
                           throws IOException

  Constructs a FileWriterWithEncoding with a file encoding.

  Parameters:
    `filename` - the name of the file to write to, not null
    `encoding` - the encoding to use, not null
    `append` - true if content should be appended, false to overwrite
  Throws:
    `NullPointerException` - if the file name or encoding is null
    `IOException` - in case of an I/O error

### FileWriterWithEncoding

    public FileWriterWithEncoding(File file,
                                  String encoding)
                           throws IOException

  Constructs a FileWriterWithEncoding with a file encoding.

  Parameters:
    `file` - the file to write to, not null
    `encoding` - the encoding to use, not null
  Throws:
    `NullPointerException` - if the file or encoding is null
    `IOException` - in case of an I/O error

### FileWriterWithEncoding

    public FileWriterWithEncoding(File file,
                                  String encoding,
                                  boolean append)
                           throws IOException

  Constructs a FileWriterWithEncoding with a file encoding.

  Parameters:
    `file` - the file to write to, not null
    `encoding` - the encoding to use, not null
    `append` - true if content should be appended, false to overwrite
  Throws:
    `NullPointerException` - if the file or encoding is null
    `IOException` - in case of an I/O error

### FileWriterWithEncoding

    public FileWriterWithEncoding(File file,
                                  Charset encoding)
                           throws IOException

  Constructs a FileWriterWithEncoding with a file encoding.

  Parameters:
    `file` - the file to write to, not null
    `encoding` - the encoding to use, not null
  Throws:
    `NullPointerException` - if the file or encoding is null
    `IOException` - in case of an I/O error

### FileWriterWithEncoding

    public FileWriterWithEncoding(File file,
                                  Charset encoding,
                                  boolean append)
                           throws IOException

  Constructs a FileWriterWithEncoding with a file encoding.

  Parameters:
    `file` - the file to write to, not null
    `encoding` - the encoding to use, not null
    `append` - true if content should be appended, false to overwrite
  Throws:
    `NullPointerException` - if the file or encoding is null
    `IOException` - in case of an I/O error

### FileWriterWithEncoding

    public FileWriterWithEncoding(File file,
                                  CharsetEncoder encoding)
                           throws IOException

  Constructs a FileWriterWithEncoding with a file encoding.

  Parameters:
    `file` - the file to write to, not null
    `encoding` - the encoding to use, not null
  Throws:
    `NullPointerException` - if the file or encoding is null
    `IOException` - in case of an I/O error

### FileWriterWithEncoding

    public FileWriterWithEncoding(File file,
                                  CharsetEncoder encoding,
                                  boolean append)
                           throws IOException

  Constructs a FileWriterWithEncoding with a file encoding.

  Parameters:
    `file` - the file to write to, not null
    `encoding` - the encoding to use, not null
    `append` - true if content should be appended, false to overwrite
  Throws:
    `NullPointerException` - if the file or encoding is null
    `IOException` - in case of an I/O error

Method Detail

### write

    public void write(int idx)
               throws IOException

  Write a character.

  Overrides:
    `write` in class `Writer`
  Parameters:
    `idx` - the character to write
  Throws:
    `IOException` - if an I/O error occurs

### write

    public void write(char[] chr)
               throws IOException

  Write the characters from an array.

  Overrides:
    `write` in class `Writer`
  Parameters:
    `chr` - the characters to write
  Throws:
    `IOException` - if an I/O error occurs

### write

    public void write(char[] chr,
                      int st,
                      int end)
               throws IOException

  Write the specified characters from an array.

  Specified by:
    `write` in class `Writer`
  Parameters:
    `chr` - the characters to write
    `st` - The start offset
    `end` - The number of characters to write
  Throws:
    `IOException` - if an I/O error occurs

### write

    public void write(String str)
               throws IOException

  Write the characters from a string.

  Overrides:
    `write` in class `Writer`
  Parameters:
    `str` - the string to write
  Throws:
    `IOException` - if an I/O error occurs

### write

    public void write(String str,
                      int st,
                      int end)
               throws IOException

  Write the specified characters from a string.

  Overrides:
    `write` in class `Writer`
  Parameters:
    `str` - the string to write
    `st` - The start offset
    `end` - The number of characters to write
  Throws:
    `IOException` - if an I/O error occurs

### flush

    public void flush()
               throws IOException

  Flush the stream.

  Specified by:
    `flush` in interface `Flushable`
  Specified by:
    `flush` in class `Writer`
  Throws:
    `IOException` - if an I/O error occurs

### close

    public void close()
               throws IOException

  Close the stream.

  Specified by:
    `close` in interface `Closeable`
  Specified by:
    `close` in class `Writer`
  Throws:
    `IOException` - if an I/O error occurs

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