TempFileBinaryBody.java revision 8978aac1977408b05e386ae846c30920c7faa0a6 
1/****************************************************************
2 * Licensed to the Apache Software Foundation (ASF) under one   *
3 * or more contributor license agreements.  See the NOTICE file *
4 * distributed with this work for additional information        *
5 * regarding copyright ownership.  The ASF licenses this file   *
6 * to you under the Apache License, Version 2.0 (the            *
7 * "License"); you may not use this file except in compliance   *
8 * with the License.  You may obtain a copy of the License at   *
9 *                                                              *
10 *   http://www.apache.org/licenses/LICENSE-2.0                 *
11 *                                                              *
12 * Unless required by applicable law or agreed to in writing,   *
13 * software distributed under the License is distributed on an  *
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
15 * KIND, either express or implied.  See the License for the    *
16 * specific language governing permissions and limitations      *
17 * under the License.                                           *
18 ****************************************************************/
19
20package org.apache.james.mime4j.message;
21
22import java.io.IOException;
23import java.io.InputStream;
24import java.io.OutputStream;
25
26import org.apache.commons.io.IOUtils;
27import org.apache.commons.logging.Log;
28import org.apache.commons.logging.LogFactory;
29import org.apache.james.mime4j.util.TempFile;
30import org.apache.james.mime4j.util.TempPath;
31import org.apache.james.mime4j.util.TempStorage;
32
33
34/**
35 * Binary body backed by a {@link org.apache.james.mime4j.util.TempFile}.
36 *
37 *
38 * @version $Id: TempFileBinaryBody.java,v 1.2 2004/10/02 12:41:11 ntherning Exp $
39 */
40class TempFileBinaryBody extends AbstractBody implements BinaryBody {
41    private static Log log = LogFactory.getLog(TempFileBinaryBody.class);
42
43    private Entity parent = null;
44    private TempFile tempFile = null;
45
46    /**
47     * Use the given InputStream to build the TemporyFileBinaryBody
48     *
49     * @param is the InputStream to use as source
50     * @throws IOException
51     */
52    public TempFileBinaryBody(InputStream is) throws IOException {
53
54        TempPath tempPath = TempStorage.getInstance().getRootTempPath();
55        tempFile = tempPath.createTempFile("attachment", ".bin");
56
57        OutputStream out = tempFile.getOutputStream();
58        IOUtils.copy(is, out);
59        out.close();
60    }
61
62    /**
63     * @see org.apache.james.mime4j.message.AbstractBody#getParent()
64     */
65    public Entity getParent() {
66        return parent;
67    }
68
69    /**
70     * @see org.apache.james.mime4j.message.AbstractBody#setParent(org.apache.james.mime4j.message.Entity)
71     */
72    public void setParent(Entity parent) {
73        this.parent = parent;
74    }
75
76    /**
77     * @see org.apache.james.mime4j.message.BinaryBody#getInputStream()
78     */
79    public InputStream getInputStream() throws IOException {
80        return tempFile.getInputStream();
81    }
82
83    /**
84     * @see org.apache.james.mime4j.message.Body#writeTo(java.io.OutputStream)
85     */
86    public void writeTo(OutputStream out) throws IOException {
87	IOUtils.copy(getInputStream(),out);
88    }
89}
90