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 */
031public class BytesSource extends StreamSource implements Serializable {
032    private static final long serialVersionUID = 124123201106542082L;
033
034    private final byte[] data;
035
036    public BytesSource(byte[] data) {
037        if (data == null) {
038            throw new IllegalArgumentException("data must be specified");
039        }
040        this.data = data;
041    }
042
043    public BytesSource(byte[] data, String systemId) {
044        this(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}