mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/io/SocketInputBuffer.java@fc2d59ddac77 (annotated)
mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/io/SocketInputBuffer.java
Wed, 31 Dec 2014 07:22:50 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 07:22:50 +0100
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
- permissions
- -rw-r--r--
Correct previous dual key logic pending first delivery installment.
| michael@0 | 1 | /* |
| michael@0 | 2 | * ==================================================================== |
| michael@0 | 3 | * Licensed to the Apache Software Foundation (ASF) under one |
| michael@0 | 4 | * or more contributor license agreements. See the NOTICE file |
| michael@0 | 5 | * distributed with this work for additional information |
| michael@0 | 6 | * regarding copyright ownership. The ASF licenses this file |
| michael@0 | 7 | * to you under the Apache License, Version 2.0 (the |
| michael@0 | 8 | * "License"); you may not use this file except in compliance |
| michael@0 | 9 | * with the License. You may obtain a copy of the License at |
| michael@0 | 10 | * |
| michael@0 | 11 | * http://www.apache.org/licenses/LICENSE-2.0 |
| michael@0 | 12 | * |
| michael@0 | 13 | * Unless required by applicable law or agreed to in writing, |
| michael@0 | 14 | * software distributed under the License is distributed on an |
| michael@0 | 15 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| michael@0 | 16 | * KIND, either express or implied. See the License for the |
| michael@0 | 17 | * specific language governing permissions and limitations |
| michael@0 | 18 | * under the License. |
| michael@0 | 19 | * ==================================================================== |
| michael@0 | 20 | * |
| michael@0 | 21 | * This software consists of voluntary contributions made by many |
| michael@0 | 22 | * individuals on behalf of the Apache Software Foundation. For more |
| michael@0 | 23 | * information on the Apache Software Foundation, please see |
| michael@0 | 24 | * <http://www.apache.org/>. |
| michael@0 | 25 | * |
| michael@0 | 26 | */ |
| michael@0 | 27 | |
| michael@0 | 28 | package ch.boye.httpclientandroidlib.impl.io; |
| michael@0 | 29 | |
| michael@0 | 30 | import java.io.IOException; |
| michael@0 | 31 | import java.io.InterruptedIOException; |
| michael@0 | 32 | import java.net.Socket; |
| michael@0 | 33 | |
| michael@0 | 34 | import ch.boye.httpclientandroidlib.io.EofSensor; |
| michael@0 | 35 | import ch.boye.httpclientandroidlib.io.SessionInputBuffer; |
| michael@0 | 36 | import ch.boye.httpclientandroidlib.params.HttpParams; |
| michael@0 | 37 | |
| michael@0 | 38 | /** |
| michael@0 | 39 | * {@link SessionInputBuffer} implementation bound to a {@link Socket}. |
| michael@0 | 40 | * <p> |
| michael@0 | 41 | * The following parameters can be used to customize the behavior of this |
| michael@0 | 42 | * class: |
| michael@0 | 43 | * <ul> |
| michael@0 | 44 | * <li>{@link ch.boye.httpclientandroidlib.params.CoreProtocolPNames#HTTP_ELEMENT_CHARSET}</li> |
| michael@0 | 45 | * <li>{@link ch.boye.httpclientandroidlib.params.CoreConnectionPNames#MAX_LINE_LENGTH}</li> |
| michael@0 | 46 | * </ul> |
| michael@0 | 47 | * |
| michael@0 | 48 | * @since 4.0 |
| michael@0 | 49 | */ |
| michael@0 | 50 | public class SocketInputBuffer extends AbstractSessionInputBuffer implements EofSensor { |
| michael@0 | 51 | |
| michael@0 | 52 | static private final Class SOCKET_TIMEOUT_CLASS = SocketTimeoutExceptionClass(); |
| michael@0 | 53 | |
| michael@0 | 54 | /** |
| michael@0 | 55 | * Returns <code>SocketTimeoutExceptionClass<code> or <code>null</code> if the class |
| michael@0 | 56 | * does not exist. |
| michael@0 | 57 | * |
| michael@0 | 58 | * @return <code>SocketTimeoutExceptionClass<code>, or <code>null</code> if unavailable. |
| michael@0 | 59 | */ |
| michael@0 | 60 | static private Class SocketTimeoutExceptionClass() { |
| michael@0 | 61 | try { |
| michael@0 | 62 | return Class.forName("java.net.SocketTimeoutException"); |
| michael@0 | 63 | } catch (ClassNotFoundException e) { |
| michael@0 | 64 | return null; |
| michael@0 | 65 | } |
| michael@0 | 66 | } |
| michael@0 | 67 | |
| michael@0 | 68 | private static boolean isSocketTimeoutException(final InterruptedIOException e) { |
| michael@0 | 69 | if (SOCKET_TIMEOUT_CLASS != null) { |
| michael@0 | 70 | return SOCKET_TIMEOUT_CLASS.isInstance(e); |
| michael@0 | 71 | } else { |
| michael@0 | 72 | return true; |
| michael@0 | 73 | } |
| michael@0 | 74 | } |
| michael@0 | 75 | |
| michael@0 | 76 | private final Socket socket; |
| michael@0 | 77 | |
| michael@0 | 78 | private boolean eof; |
| michael@0 | 79 | |
| michael@0 | 80 | /** |
| michael@0 | 81 | * Creates an instance of this class. |
| michael@0 | 82 | * |
| michael@0 | 83 | * @param socket the socket to read data from. |
| michael@0 | 84 | * @param buffersize the size of the internal buffer. If this number is less |
| michael@0 | 85 | * than <code>0</code> it is set to the value of |
| michael@0 | 86 | * {@link Socket#getReceiveBufferSize()}. If resultant number is less |
| michael@0 | 87 | * than <code>1024</code> it is set to <code>1024</code>. |
| michael@0 | 88 | * @param params HTTP parameters. |
| michael@0 | 89 | */ |
| michael@0 | 90 | public SocketInputBuffer( |
| michael@0 | 91 | final Socket socket, |
| michael@0 | 92 | int buffersize, |
| michael@0 | 93 | final HttpParams params) throws IOException { |
| michael@0 | 94 | super(); |
| michael@0 | 95 | if (socket == null) { |
| michael@0 | 96 | throw new IllegalArgumentException("Socket may not be null"); |
| michael@0 | 97 | } |
| michael@0 | 98 | this.socket = socket; |
| michael@0 | 99 | this.eof = false; |
| michael@0 | 100 | if (buffersize < 0) { |
| michael@0 | 101 | buffersize = socket.getReceiveBufferSize(); |
| michael@0 | 102 | } |
| michael@0 | 103 | if (buffersize < 1024) { |
| michael@0 | 104 | buffersize = 1024; |
| michael@0 | 105 | } |
| michael@0 | 106 | init(socket.getInputStream(), buffersize, params); |
| michael@0 | 107 | } |
| michael@0 | 108 | |
| michael@0 | 109 | protected int fillBuffer() throws IOException { |
| michael@0 | 110 | int i = super.fillBuffer(); |
| michael@0 | 111 | this.eof = i == -1; |
| michael@0 | 112 | return i; |
| michael@0 | 113 | } |
| michael@0 | 114 | |
| michael@0 | 115 | public boolean isDataAvailable(int timeout) throws IOException { |
| michael@0 | 116 | boolean result = hasBufferedData(); |
| michael@0 | 117 | if (!result) { |
| michael@0 | 118 | int oldtimeout = this.socket.getSoTimeout(); |
| michael@0 | 119 | try { |
| michael@0 | 120 | this.socket.setSoTimeout(timeout); |
| michael@0 | 121 | fillBuffer(); |
| michael@0 | 122 | result = hasBufferedData(); |
| michael@0 | 123 | } catch (InterruptedIOException e) { |
| michael@0 | 124 | if (!isSocketTimeoutException(e)) { |
| michael@0 | 125 | throw e; |
| michael@0 | 126 | } |
| michael@0 | 127 | } finally { |
| michael@0 | 128 | socket.setSoTimeout(oldtimeout); |
| michael@0 | 129 | } |
| michael@0 | 130 | } |
| michael@0 | 131 | return result; |
| michael@0 | 132 | } |
| michael@0 | 133 | |
| michael@0 | 134 | public boolean isEof() { |
| michael@0 | 135 | return this.eof; |
| michael@0 | 136 | } |
| michael@0 | 137 | |
| michael@0 | 138 | } |
