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 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 }