Class CharArrayWriter

    • Field Summary

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

      Constructors 
      Constructor Description
      CharArrayWriter()
      Creates a new CharArrayWriter.
      CharArrayWriter​(int initialSize)
      Creates a new CharArrayWriter with the specified initial size.
    • Field Detail

      • buf

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

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

      • 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 Detail

      • 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