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.converter.jaxp;
018    
019    import java.io.ByteArrayInputStream;
020    import java.io.InputStream;
021    import java.io.InputStreamReader;
022    import java.io.Reader;
023    
024    import javax.xml.transform.stream.StreamSource;
025    
026    import org.apache.camel.util.ObjectHelper;
027    
028    /**
029     * A helper class which provides a JAXP {@link javax.xml.transform.Source Source} from a byte[]
030     * which can be read as many times as required.
031     *
032     * @version $Revision: 2170 $
033     */
034    public class BytesSource extends StreamSource {
035        private byte[] data;
036    
037        public BytesSource(byte[] data) {
038            ObjectHelper.notNull(data, "data");
039            this.data = data;
040        }
041    
042        public BytesSource(byte[] data, String systemId) {
043            ObjectHelper.notNull(data, "data");
044            this.data = data;
045            setSystemId(systemId);
046        }
047    
048        public InputStream getInputStream() {
049            return new ByteArrayInputStream(data);
050        }
051    
052        public Reader getReader() {
053            return new InputStreamReader(getInputStream());
054        }
055    
056        public byte[] getData() {
057            return data;
058        }
059    
060        public String toString() {
061            return "BytesSource[" + new String(data) + "]";
062        }
063    
064    }