Showing the changes to java/pkg/sun/security/ssl/AppOutputStream.java (1 of 18352 files). Show all
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| 1 | +/* | |
| 2 | + * Copyright (c) 1996, 2009, 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 | + | |
| 27 | +package sun.security.ssl; | |
| 28 | + | |
| 29 | +import java.io.OutputStream; | |
| 30 | +import java.io.IOException; | |
| 31 | + | |
| 32 | +/* | |
| 33 | + * Output stream for application data. This is the kind of stream | |
| 34 | + * that's handed out via SSLSocket.getOutputStream(). It's all the application | |
| 35 | + * ever sees. | |
| 36 | + * | |
| 37 | + * Once the initial handshake has completed, application data may be | |
| 38 | + * interleaved with handshake data. That is handled internally and remains | |
| 39 | + * transparent to the application. | |
| 40 | + * | |
| 41 | + * @author David Brownell | |
| 42 | + */ | |
| 43 | +class AppOutputStream extends OutputStream { | |
| 44 | + | |
| 45 | + private SSLSocketImpl c; | |
| 46 | + OutputRecord r; | |
| 47 | + | |
| 48 | + // One element array used to implement the write(byte) method | |
| 49 | + private final byte[] oneByte = new byte[1]; | |
| 50 | + | |
| 51 | + AppOutputStream(SSLSocketImpl conn) { | |
| 52 | + r = new OutputRecord(Record.ct_application_data); | |
| 53 | + c = conn; | |
| 54 | + } | |
| 55 | + | |
| 56 | + /** | |
| 57 | + * Write the data out, NOW. | |
| 58 | + */ | |
| 59 | + synchronized public void write(byte b[], int off, int len) | |
| 60 | + throws IOException { | |
| 61 | + if (b == null) { | |
| 62 | + throw new NullPointerException(); | |
| 63 | + } else if (off < 0 || len < 0 || len > b.length - off) { | |
| 64 | + throw new IndexOutOfBoundsException(); | |
| 65 | + } else if (len == 0) { | |
| 66 | + return; | |
| 67 | + } | |
| 68 | + | |
| 69 | + // check if the Socket is invalid (error or closed) | |
| 70 | + c.checkWrite(); | |
| 71 | + | |
| 72 | + // Always flush at the end of each application level record. | |
| 73 | + // This lets application synchronize read and write streams | |
| 74 | + // however they like; if we buffered here, they couldn't. | |
| 75 | + try { | |
| 76 | + do { | |
| 77 | + int howmuch = Math.min(len, r.availableDataBytes()); | |
| 78 | + | |
| 79 | + // NOTE: *must* call c.writeRecord() even for howmuch == 0 | |
| 80 | + if (howmuch > 0) { | |
| 81 | + r.write(b, off, howmuch); | |
| 82 | + off += howmuch; | |
| 83 | + len -= howmuch; | |
| 84 | + } | |
| 85 | + c.writeRecord(r); | |
| 86 | + c.checkWrite(); | |
| 87 | + } while (len > 0); | |
| 88 | + } catch (Exception e) { | |
| 89 | + // shutdown and rethrow (wrapped) exception as appropriate | |
| 90 | + c.handleException(e); | |
| 91 | + } | |
| 92 | + } | |
| 93 | + | |
| 94 | + /** | |
| 95 | + * Write one byte now. | |
| 96 | + */ | |
| 97 | + synchronized public void write(int i) throws IOException { | |
| 98 | + oneByte[0] = (byte)i; | |
| 99 | + write(oneByte, 0, 1); | |
| 100 | + } | |
| 101 | + | |
| 102 | + /* | |
| 103 | + * Socket close is already synchronized, no need to block here. | |
| 104 | + */ | |
| 105 | + public void close() throws IOException { | |
| 106 | + c.close(); | |
| 107 | + } | |
| 108 | + | |
| 109 | + // inherit no-op flush() | |
| 110 | +} | |