| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| StreamAlgorithm |
|
| 1.0;1 |
| 1 | /* | |
| 2 | * | |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
| 4 | * | |
| 5 | * Copyright 2007-2008 Sun Microsystems, Inc. All rights reserved. | |
| 6 | * | |
| 7 | * The contents of this file are subject to the terms of either the GNU | |
| 8 | * General Public License Version 2 only ("GPL") or the Common Development | |
| 9 | * and Distribution License("CDDL") (collectively, the "License"). You | |
| 10 | * may not use this file except in compliance with the License. You can obtain | |
| 11 | * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html | |
| 12 | * or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific | |
| 13 | * language governing permissions and limitations under the License. | |
| 14 | * | |
| 15 | * When distributing the software, include this License Header Notice in each | |
| 16 | * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt. | |
| 17 | * Sun designates this particular file as subject to the "Classpath" exception | |
| 18 | * as provided by Sun in the GPL Version 2 section of the License file that | |
| 19 | * accompanied this code. If applicable, add the following below the License | |
| 20 | * Header, with the fields enclosed by brackets [] replaced by your own | |
| 21 | * identifying information: "Portions Copyrighted [year] | |
| 22 | * [name of copyright owner]" | |
| 23 | * | |
| 24 | * Contributor(s): | |
| 25 | * | |
| 26 | * If you wish your version of this file to be governed by only the CDDL or | |
| 27 | * only the GPL Version 2, indicate your decision by adding "[Contributor] | |
| 28 | * elects to include this software in this distribution under the [CDDL or GPL | |
| 29 | * Version 2] license." If you don't indicate a single choice of license, a | |
| 30 | * recipient has the option to distribute your version of this file under | |
| 31 | * either the CDDL, the GPL Version 2 or to extend the choice of license to | |
| 32 | * its licensees as provided above. However, if you add GPL Version 2 code | |
| 33 | * and therefore, elected the GPL Version 2 license, then the option applies | |
| 34 | * only if the new code is made subject to such option by the copyright | |
| 35 | * holder. | |
| 36 | * | |
| 37 | */ | |
| 38 | package com.sun.grizzly.util; | |
| 39 | ||
| 40 | import java.nio.ByteBuffer; | |
| 41 | import java.nio.channels.SocketChannel; | |
| 42 | /** | |
| 43 | * Generic parsing interface that can be used to implement protocol | |
| 44 | * specific logic parsing. | |
| 45 | * | |
| 46 | * @deprecated Use the ProtocolParser instead. | |
| 47 | * | |
| 48 | * @author Jean-Francois Arcand | |
| 49 | */ | |
| 50 | public interface StreamAlgorithm{ | |
| 51 | ||
| 52 | ||
| 53 | /** | |
| 54 | * Return the stream content-length. If the content-length wasn't parsed, | |
| 55 | * return -1. | |
| 56 | * @return content length or -1 if content length was not parsed | |
| 57 | */ | |
| 58 | public int contentLength(); | |
| 59 | ||
| 60 | ||
| 61 | /** | |
| 62 | * Return the stream header length. The header length is the length between | |
| 63 | * the start of the stream and the first occurance of character '\r\n' . | |
| 64 | * @return header length | |
| 65 | */ | |
| 66 | public int headerLength(); | |
| 67 | ||
| 68 | ||
| 69 | /** | |
| 70 | * Allocate a {@link ByteBuffer} | |
| 71 | * @param useDirect allocate a direct {@link ByteBuffer}. | |
| 72 | * @param useView allocate a view {@link ByteBuffer}. | |
| 73 | * @param size the size of the newly created {@link ByteBuffer}. | |
| 74 | * @return a new {@link ByteBuffer} | |
| 75 | */ | |
| 76 | public ByteBuffer allocate(boolean useDirect, boolean useView, int size); | |
| 77 | ||
| 78 | ||
| 79 | /** | |
| 80 | * Before parsing the bytes, initialize and prepare the algorithm. | |
| 81 | * @param byteBuffer the {@link ByteBuffer} used by this algorithm | |
| 82 | * @return {@link ByteBuffer} used by this algorithm | |
| 83 | */ | |
| 84 | public ByteBuffer preParse(ByteBuffer byteBuffer); | |
| 85 | ||
| 86 | ||
| 87 | /** | |
| 88 | * Parse the {@link ByteBuffer} and try to determine if the bytes | |
| 89 | * stream has been fully read from the {@link SocketChannel}. | |
| 90 | * @param byteBuffer the bytes read. | |
| 91 | * @return true if the algorithm determines the end of the stream. | |
| 92 | */ | |
| 93 | public boolean parse(ByteBuffer byteBuffer); | |
| 94 | ||
| 95 | ||
| 96 | /** | |
| 97 | * After parsing the bytes, post process the {@link ByteBuffer} | |
| 98 | * @param byteBuffer the {@link ByteBuffer} used by this algorithm | |
| 99 | * @return {@link ByteBuffer} used by this algorithm | |
| 100 | */ | |
| 101 | public ByteBuffer postParse(ByteBuffer byteBuffer); | |
| 102 | ||
| 103 | ||
| 104 | /** | |
| 105 | * Recycle the algorithm. | |
| 106 | */ | |
| 107 | public void recycle(); | |
| 108 | ||
| 109 | ||
| 110 | /** | |
| 111 | * Rollback the {@link ByteBuffer} to its previous state in case | |
| 112 | * an error as occured. | |
| 113 | * @param byteBuffer | |
| 114 | * @return {@link ByteBuffer} | |
| 115 | */ | |
| 116 | public ByteBuffer rollbackParseState(ByteBuffer byteBuffer); | |
| 117 | ||
| 118 | ||
| 119 | /** | |
| 120 | * The {@link Interceptor} associated with this algorithm. | |
| 121 | * @return {@link Interceptor} | |
| 122 | */ | |
| 123 | public Interceptor getHandler(); | |
| 124 | ||
| 125 | ||
| 126 | /** | |
| 127 | * Set the {@link SocketChannel} used by this algorithm | |
| 128 | * @param socketChannel set {@link SocketChannel} | |
| 129 | */ | |
| 130 | public void setSocketChannel(SocketChannel socketChannel); | |
| 131 | ||
| 132 | ||
| 133 | /** | |
| 134 | * Set the <code>port</code> this algorithm is used. | |
| 135 | * @param port port number | |
| 136 | */ | |
| 137 | public void setPort(int port); | |
| 138 | ||
| 139 | ||
| 140 | /** | |
| 141 | * Return the port | |
| 142 | * @return port number being used | |
| 143 | */ | |
| 144 | public int getPort(); | |
| 145 | ||
| 146 | } | |
| 147 |