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     */
017    package org.apache.camel;
018    
019    import java.io.ByteArrayInputStream;
020    import java.io.InputStream;
021    import java.io.InputStreamReader;
022    import java.io.Reader;
023    import java.io.Serializable;
024    
025    import 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     */
033    public 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    }