1 /* 2 * Copyright (c) 1997, 2017, 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.xml.internal.messaging.saaj.util; 27 28 import java.io.ByteArrayInputStream; 29 import java.io.IOException; 30 31 // This class just gives access to the underlying buffer without copying. 32 33 public class ByteInputStream extends ByteArrayInputStream { 34 private static final byte[] EMPTY_ARRAY = new byte[0]; 35 36 public ByteInputStream() { 37 this(EMPTY_ARRAY, 0); 38 } 39 40 public ByteInputStream(byte buf[], int length) { 41 super(buf, 0, length); 42 } 43 44 public ByteInputStream(byte buf[], int offset, int length) { 45 super(buf, offset, length); 46 } 47 48 public byte[] getBytes() { 49 return buf; 50 } 51 52 public int getCount() { 53 return count; 54 } 55 56 @Override 57 public void close() throws IOException { 58 reset(); 59 } 60 61 public void setBuf(byte[] buf) { 62 this.buf = buf; 63 this.pos = 0; 64 this.count = buf.length; 65 } 66 }