Class CharArrayWriter

java.lang.Object
java.io.Writer
com.opensymphony.module.sitemesh.util.CharArrayWriter
All Implemented Interfaces:
Closeable, Flushable, Appendable, AutoCloseable

public class CharArrayWriter extends Writer
Unsynced version of the JDK's CharArrayWriter
  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    protected char[]
    The buffer where data is stored.
    protected int
    The number of chars in the buffer.

    Fields inherited from class java.io.Writer

    lock
  • Constructor Summary

    Constructors
    Constructor
    Description
    Creates a new CharArrayWriter.
    CharArrayWriter(int initialSize)
    Creates a new CharArrayWriter with the specified initial size.
  • Method Summary

    Modifier and Type
    Method
    Description
    void
    Close the stream.
    void
    Flush the stream.
    void
    Resets the buffer so that you can use it again without throwing away the already allocated buffer.
    int
    Returns the current size of the buffer.
    char[]
    Returns a copy of the input data.
    Converts input data to a string.
    void
    write(char[] c, int off, int len)
    Writes characters to the buffer.
    void
    write(int c)
    Writes a character to the buffer.
    void
    write(String str, int off, int len)
    Write a portion of a string to the buffer.
    void
    Writes the contents of the buffer to another character stream.

    Methods inherited from class java.io.Writer

    append, append, append, nullWriter, write, write

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
  • Field Details

    • buf

      protected char[] buf
      The buffer where data is stored.
    • count

      protected int count
      The number of chars in the buffer.
  • Constructor Details

    • CharArrayWriter

      public CharArrayWriter()
      Creates a new CharArrayWriter.
    • CharArrayWriter

      public CharArrayWriter(int initialSize)
      Creates a new CharArrayWriter with the specified initial size.
      Parameters:
      initialSize - an int specifying the initial buffer size.
      Throws:
      IllegalArgumentException - if initialSize is negative
  • Method Details

    • write

      public void write(int c)
      Writes a character to the buffer.
      Overrides:
      write in class Writer
    • write

      public void write(char[] c, int off, int len)
      Writes characters to the buffer.
      Specified by:
      write in class Writer
      Parameters:
      c - the data to be written
      off - the start offset in the data
      len - the number of chars that are written
    • write

      public void write(String str, int off, int len)
      Write a portion of a string to the buffer.
      Overrides:
      write in class Writer
      Parameters:
      str - String to be written from
      off - Offset from which to start reading characters
      len - Number of characters to be written
    • writeTo

      public void writeTo(Writer out) throws IOException
      Writes the contents of the buffer to another character stream.
      Parameters:
      out - the output stream to write to
      Throws:
      IOException - If an I/O error occurs.
    • reset

      public void reset()
      Resets the buffer so that you can use it again without throwing away the already allocated buffer.
    • toCharArray

      public char[] toCharArray()
      Returns a copy of the input data.
      Returns:
      an array of chars copied from the input data.
    • size

      public int size()
      Returns the current size of the buffer.
      Returns:
      an int representing the current size of the buffer.
    • toString

      public String toString()
      Converts input data to a string.
      Overrides:
      toString in class Object
      Returns:
      the string.
    • flush

      public void flush()
      Flush the stream.
      Specified by:
      flush in interface Flushable
      Specified by:
      flush in class Writer
    • close

      public void close()
      Close the stream. This method does not release the buffer, since its contents might still be required.
      Specified by:
      close in interface AutoCloseable
      Specified by:
      close in interface Closeable
      Specified by:
      close in class Writer