1/*
2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package com.sun.xml.internal.ws.util;
27
28import java.io.ByteArrayInputStream;
29import java.io.InputStream;
30import java.io.OutputStream;
31
32import javax.activation.DataSource;
33
34/**
35 * {@link DataSource} backed by a byte buffer.
36 *
37 * @author Kohsuke Kawaguchi
38 */
39public final class ByteArrayDataSource implements DataSource {
40
41    private final String contentType;
42    private final byte[] buf;
43    private final int start;
44    private final int len;
45
46    public ByteArrayDataSource(byte[] buf, String contentType) {
47        this(buf,0,buf.length,contentType);
48    }
49    public ByteArrayDataSource(byte[] buf, int length, String contentType) {
50        this(buf,0,length,contentType);
51    }
52    public ByteArrayDataSource(byte[] buf, int start, int length, String contentType) {
53        this.buf = buf;
54        this.start = start;
55        this.len = length;
56        this.contentType = contentType;
57    }
58
59    public String getContentType() {
60        if(contentType==null)
61            return "application/octet-stream";
62        return contentType;
63    }
64
65    public InputStream getInputStream() {
66        return new ByteArrayInputStream(buf,start,len);
67    }
68
69    public String getName() {
70        return null;
71    }
72
73    public OutputStream getOutputStream() {
74        throw new UnsupportedOperationException();
75    }
76}
77