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/*
 * ====================================================================
 * Project:     openMDX/Dalvik, http://www.openmdx.org/
 * Description: Character Writer 
 * Owner:       OMEX AG, Switzerland, http://www.omex.ch
 * ====================================================================
 *
 * This software is published under the BSD license as listed below.
 * 
 * Copyright (c) 2010, OMEX AG, Switzerland
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or
 * without modification, are permitted provided that the following
 * conditions are met:
 * 
 * * Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * 
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in
 *   the documentation and/or other materials provided with the
 *   distribution.
 * 
 * * Neither the name of the openMDX team nor the names of its
 *   contributors may be used to endorse or promote products derived
 *   from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * 
 * ------------------
 * 
 * This product includes software developed by other organizations as
 * listed in the NOTICE file.
 */
package org.openmdx.dalvik.xml.stream;

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

import org.openmdx.dalvik.uses.javax.xml.stream.XMLStreamException;
import org.openmdx.dalvik.uses.javax.xml.stream.XMLStreamWriter;

/**
 * Writes character data to the underlying XML Stream
 */
public class CharacterWriter extends Writer {

    /**
     * Constructor 
     *
     * @param delegate
     */
    public CharacterWriter(
        XMLStreamWriter delegate
    ){
        this.delegate = delegate;
    }
    
    /**
     * The character writer delegates to an XML stream writer
     */
    private final XMLStreamWriter delegate;
    
    /* (non-Javadoc)
     * @see java.io.Writer#close()
     */
    @Override
    public void close(
    ) throws IOException {
        try {
            this.delegate.close();
        } catch (XMLStreamException exception) {
        	throw (IOException) new IOException(
        		"Unable to close character writer"
            ).initCause(
            	exception
            );
        }
    }

    /* (non-Javadoc)
     * @see java.io.Writer#flush()
     */
    @Override
    public void flush(
    ) throws IOException {
        try {
            this.delegate.flush();
        } catch (XMLStreamException exception) {
        	throw (IOException) new IOException(
        		"Unable to flush character writer"
            ).initCause(
            	exception
            );
        }
    }

    /* (non-Javadoc)
     * @see java.io.Writer#write(char[], int, int)
     */
    @Override
    public void write(
        char[] cbuf, 
        int off, 
        int len
    ) throws IOException {
        try {
            this.delegate.writeCharacters(cbuf, off, len);
        } catch (XMLStreamException exception) {
        	throw (IOException) new IOException(
        		"Unable to write to character writer"
            ).initCause(
            	exception
            );
        }
    }

}