String Buffer Writer : Writer « File Input Output « Java

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Java » File Input Output » WriterScreenshots 
String Buffer Writer
    

// 
// $Id: StringBufferWriter.java,v 1.4 2004/05/09 20:33:04 gregwilkins Exp $
// Copyright 2001-2004 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at 
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// 

import java.io.IOException;
import java.io.Writer;


/* ------------------------------------------------------------ */
/** A Writer to a StringBuffer.
 *
 @version $Id: StringBufferWriter.java,v 1.4 2004/05/09 20:33:04 gregwilkins Exp $
 @author Greg Wilkins (gregw)
 */
public class StringBufferWriter extends Writer
{
    /* ------------------------------------------------------------ */
    private StringBuffer _buffer;

    /* ------------------------------------------------------------ */
    /** Constructor. 
     */
    public StringBufferWriter()
    {
        _buffer=new StringBuffer();
    }
    
    /* ------------------------------------------------------------ */
    /** Constructor. 
     @param buffer 
     */
    public StringBufferWriter(StringBuffer buffer)
    {
        _buffer=buffer;
    }

    /* ------------------------------------------------------------ */
    public void setStringBuffer(StringBuffer buffer)
    {
        _buffer=buffer;
    }
    
    /* ------------------------------------------------------------ */
    public StringBuffer getStringBuffer()
    {
        return _buffer;
    }
    
    /* ------------------------------------------------------------ */
    public void write(char c)
        throws IOException
    {
        _buffer.append(c);
    }
    
    /* ------------------------------------------------------------ */
    public void write(char[] ca)
        throws IOException
    {
        _buffer.append(ca);
    }
    
    
    /* ------------------------------------------------------------ */
    public void write(char[] ca,int offset, int length)
        throws IOException
    {
        _buffer.append(ca,offset,length);
    }
    
    /* ------------------------------------------------------------ */
    public void write(String s)
        throws IOException
    {
        _buffer.append(s);
    }
    
    /* ------------------------------------------------------------ */
    public void write(String s,int offset, int length)
        throws IOException
    {
        for (int i=0;i<length;i++)
            _buffer.append(s.charAt(offset+i));
    }
    
    /* ------------------------------------------------------------ */
    public void flush()
    {}

    /* ------------------------------------------------------------ */
    public void reset()
    {
        _buffer.setLength(0);
    }

    /* ------------------------------------------------------------ */
    public void close()
    {}

}

   
    
    
    
  
Related examples in the same category
1. Null Writer
2. Provides Closable semantics ordinarily missing in a java.io.CharArrayWriter
3. A writer for char strings
4. Write the entire contents of the supplied string to the given writer. This method always flushes and closes the writer when finished.
5. Writes all characters from a Reader to a file using the default character encoding.
6. Reads characters available from the Reader and returns these characters as a String object.
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