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.servicemix.jbi.util;
018    
019    import java.io.IOException;
020    import java.io.InputStream;
021    import java.io.OutputStream;
022    
023    import javax.activation.DataSource;
024    
025    /**
026     * Stream DataSource for Mail and message attachments .
027     * 
028     * @author <a href="mailto:gnodet@logicblaze.com"> Guillaume Nodet</a>
029     * @since 3.0
030     */
031    public class StreamDataSource implements DataSource {
032    
033        private InputStream in;
034    
035        private String contentType;
036    
037        private String name;
038    
039        public StreamDataSource(InputStream in) {
040            this(in, null, null);
041        }
042    
043        public StreamDataSource(InputStream in, String contentType) {
044            this(in, contentType, null);
045        }
046    
047        public StreamDataSource(InputStream in, String contentType, String name) {
048            this.in = in;
049            this.contentType = contentType;
050            this.name = name;
051        }
052    
053        public InputStream getInputStream() throws IOException {
054            if (in == null) {
055                throw new IOException("no data");
056            }
057            return in;
058        }
059    
060        public OutputStream getOutputStream() throws IOException {
061            throw new IOException("getOutputStream() not supported");
062        }
063    
064        public String getContentType() {
065            return contentType;
066        }
067    
068        public String getName() {
069            return name;
070        }
071    
072        public void setName(String name) {
073            this.name = name;
074        }
075    
076        public void setContentType(String contentType) {
077            this.contentType = contentType;
078        }
079    
080    }