SlingGeneratorServletOutputStream.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */
package org.apache.sling.scripting.xproc.cocoon.generator;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;

import javax.servlet.ServletOutputStream;

public class SlingGeneratorServletOutputStream extends ServletOutputStream {
	
	private final ByteArrayOutputStream output;
	private final PrintWriter writer;
	
	public SlingGeneratorServletOutputStream() throws UnsupportedEncodingException {
		this.output = new ByteArrayOutputStream();
		this.writer = new PrintWriter(new OutputStreamWriter(output, "UTF-8"));
	}
	
	final PrintWriter getWriter() {
		return this.writer;
	}
	
	@Override
	public void write(int b) throws IOException {
		this.output.write(b);
	}
	
	final byte[] toByteArray() {
		this.writer.flush();
		byte[] bytes = output.toByteArray();
		return bytes;
	}
	
}