1 /*

     2  * Copyright (c) 1997, 2010, 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 

    26 package com.sun.istack.internal;

    27 

    28 import javax.activation.DataSource;

    29 import java.io.InputStream;

    30 import java.io.ByteArrayInputStream;

    31 import java.io.OutputStream;

    32 

    33 /**

    34  * {@link DataSource} backed by a byte buffer.

    35  *

    36  * @author Kohsuke Kawaguchi

    37  */

    38 public final class ByteArrayDataSource implements DataSource {

    39 

    40     private final String contentType;

    41     private final byte[] buf;

    42     private final int len;

    43 

    44     public ByteArrayDataSource(byte[] buf, String contentType) {

    45         this(buf,buf.length,contentType);

    46     }

    47     public ByteArrayDataSource(byte[] buf, int length, String contentType) {

    48         this.buf = buf;

    49         this.len = length;

    50         this.contentType = contentType;

    51     }

    52 

    53     public String getContentType() {

    54         if(contentType==null)

    55             return "application/octet-stream";

    56         return contentType;

    57     }

    58 

    59     public InputStream getInputStream() {

    60         return new ByteArrayInputStream(buf,0,len);

    61     }

    62 

    63     public String getName() {

    64         return null;

    65     }

    66 

    67     public OutputStream getOutputStream() {

    68         throw new UnsupportedOperationException();

    69     }

    70 }