1 /* 2 * Copyright (c) 1996, 2012, 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 sun.security.ssl; 27 28 import java.io.OutputStream; 29 import java.io.IOException; 30 import java.nio.ByteBuffer; 31 32 /* 33 * OutputStream for application data as returned by SSLSocket.getOutputStream(). 34 * 35 * @author David Brownell 36 */ 37 class AppOutputStream extends OutputStream { 38 39 private SSLSocketImpl socket; 40 41 // One element array used to implement the write(byte) method 42 private final byte[] oneByte = new byte[1]; 43 44 AppOutputStream(SSLSocketImpl conn) { 45 this.socket = conn; 46 } 47 48 /** 49 * Write the data out, NOW. 50 */ 51 @Override 52 public synchronized void write(byte[] b, int off, int len) 53 throws IOException { 54 if (b == null) { 55 throw new NullPointerException(); 56 } else if (off < 0 || len < 0 || len > b.length - off) { 57 throw new IndexOutOfBoundsException(); 58 } else if (len == 0) { 59 return; 60 } 61 62 // check if the Socket is invalid (error or closed) 63 socket.checkWrite(); 64 65 // Delegate the writing to the underlying socket. 66 try { 67 socket.writeRecord(b, off, len); 68 socket.checkWrite(); 69 } catch (Exception e) { 70 // shutdown and rethrow (wrapped) exception as appropriate 71 socket.handleException(e); 72 } 73 } 74 75 /** 76 * Write one byte now. 77 */ 78 @Override 79 public synchronized void write(int i) throws IOException { 80 oneByte[0] = (byte)i; 81 write(oneByte, 0, 1); 82 } 83 84 /* 85 * Socket close is already synchronized, no need to block here. 86 */ 87 @Override 88 public void close() throws IOException { 89 socket.close(); 90 } 91 92 // inherit no-op flush() 93 }