1 /* 2 * Copyright (c) 1997, 2014, 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 /** 45 * @param buf input buffer - the byte array isn't being copied; used directly 46 * @param contentType 47 */ 48 public ByteArrayDataSource(byte[] buf, String contentType) { 49 this(buf,buf.length,contentType); 50 } 51 52 /** 53 * @param buf input buffer - the byte array isn't being copied; used directly 54 * @param length 55 * @param contentType 56 */ 57 public ByteArrayDataSource(byte[] buf, int length, String contentType) { 58 this.buf = buf; 59 this.len = length; 60 this.contentType = contentType; 61 } 62 63 public String getContentType() { 64 if(contentType==null) 65 return "application/octet-stream"; 66 return contentType; 67 } 68 69 public InputStream getInputStream() { 70 return new ByteArrayInputStream(buf,0,len); 71 } 72 73 public String getName() { 74 return null; 75 } 76 77 public OutputStream getOutputStream() { 78 throw new UnsupportedOperationException(); 79 } 80 }