001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.camel;
018
019import java.io.ByteArrayInputStream;
020import java.io.InputStream;
021import java.io.InputStreamReader;
022import java.io.Reader;
023import java.io.Serializable;
024
025import javax.xml.transform.stream.StreamSource;
026
027/**
028 * A helper class which provides a JAXP {@link javax.xml.transform.Source
029 * Source} from a byte[] which can be read as many times as required.
030 * 
031 * @version
032 */
033public class BytesSource extends StreamSource implements Serializable {
034    private static final long serialVersionUID = 124123201106542082L;
035
036    private final byte[] data;
037
038    public BytesSource(byte[] data) {
039        if (data == null) {
040            throw new IllegalArgumentException("data must be specified");
041        }
042        this.data = data;
043    }
044
045    public BytesSource(byte[] data, String systemId) {
046        this(data);
047        setSystemId(systemId);
048    }
049
050    public InputStream getInputStream() {
051        return new ByteArrayInputStream(data);
052    }
053
054    public Reader getReader() {
055        return new InputStreamReader(getInputStream());
056    }
057
058    public byte[] getData() {
059        return data;
060    }
061
062    public String toString() {
063        return "BytesSource[" + new String(data) + "]";
064    }
065}