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annotate src/org/eclipse/jetty/io/bio/StreamEndPoint.java @ 802:3428c60d7cfc

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replace jetty jars with source
author Franklin Schmidt <fschmidt@gmail.com>
date Wed, 07 Sep 2016 21:15:48 -0600
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1 //
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2 // ========================================================================
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3 // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
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4 // ------------------------------------------------------------------------
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5 // All rights reserved. This program and the accompanying materials
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6 // are made available under the terms of the Eclipse Public License v1.0
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7 // and Apache License v2.0 which accompanies this distribution.
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8 //
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9 // The Eclipse Public License is available at
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10 // http://www.eclipse.org/legal/epl-v10.html
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11 //
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12 // The Apache License v2.0 is available at
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13 // http://www.opensource.org/licenses/apache2.0.php
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14 //
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15 // You may elect to redistribute this code under either of these licenses.
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16 // ========================================================================
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17 //
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18
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19
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20 package org.eclipse.jetty.io.bio;
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21
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22 import java.io.IOException;
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23 import java.io.InputStream;
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24 import java.io.OutputStream;
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25 import java.net.SocketTimeoutException;
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26
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27 import org.eclipse.jetty.io.Buffer;
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28 import org.eclipse.jetty.io.EndPoint;
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29
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30 public class StreamEndPoint implements EndPoint
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31 {
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32 InputStream _in;
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33 OutputStream _out;
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34 int _maxIdleTime;
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35 boolean _ishut;
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36 boolean _oshut;
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37
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38 /**
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39 *
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40 */
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41 public StreamEndPoint(InputStream in, OutputStream out)
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42 {
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43 _in=in;
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44 _out=out;
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45 }
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46
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47 public boolean isBlocking()
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48 {
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49 return true;
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50 }
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51
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52 public boolean blockReadable(long millisecs) throws IOException
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53 {
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54 return true;
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55 }
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56
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57 public boolean blockWritable(long millisecs) throws IOException
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58 {
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59 return true;
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60 }
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61
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62 /*
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63 * @see org.eclipse.io.BufferIO#isOpen()
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64 */
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65 public boolean isOpen()
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66 {
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67 return _in!=null;
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68 }
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69
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70 /*
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71 * @see org.eclipse.io.BufferIO#isOpen()
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72 */
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73 public final boolean isClosed()
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74 {
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75 return !isOpen();
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76 }
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77
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78 public void shutdownOutput() throws IOException
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79 {
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80 _oshut = true;
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81 if (_ishut && _out!=null)
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82 _out.close();
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83 }
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84
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85 public boolean isInputShutdown()
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86 {
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87 return _ishut;
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88 }
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89
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90 public void shutdownInput() throws IOException
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91 {
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92 _ishut = true;
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93 if (_oshut&&_in!=null)
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94 _in.close();
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95 }
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96
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97 public boolean isOutputShutdown()
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98 {
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99 return _oshut;
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100 }
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101
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102 /*
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103 * @see org.eclipse.io.BufferIO#close()
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104 */
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105 public void close() throws IOException
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106 {
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107 if (_in!=null)
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108 _in.close();
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109 _in=null;
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110 if (_out!=null)
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111 _out.close();
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112 _out=null;
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113 }
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114
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115 protected void idleExpired() throws IOException
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116 {
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117 if (_in!=null)
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118 _in.close();
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119 }
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120
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121 /* (non-Javadoc)
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122 * @see org.eclipse.io.BufferIO#fill(org.eclipse.io.Buffer)
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123 */
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124 public int fill(Buffer buffer) throws IOException
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125 {
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126 if (_ishut)
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127 return -1;
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128 if (_in==null)
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129 return 0;
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130
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131 int space=buffer.space();
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132 if (space<=0)
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133 {
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134 if (buffer.hasContent())
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135 return 0;
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136 throw new IOException("FULL");
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137 }
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138
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139 try
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140 {
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141 int filled=buffer.readFrom(_in, space);
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142 if (filled<0)
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143 shutdownInput();
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144 return filled;
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145 }
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146 catch(SocketTimeoutException e)
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147 {
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148 idleExpired();
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149 return -1;
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150 }
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151 }
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152
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153 /* (non-Javadoc)
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154 * @see org.eclipse.io.BufferIO#flush(org.eclipse.io.Buffer)
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155 */
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156 public int flush(Buffer buffer) throws IOException
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157 {
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158 if (_oshut)
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159 return -1;
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160 if (_out==null)
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161 return 0;
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162 int length=buffer.length();
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163 if (length>0)
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164 buffer.writeTo(_out);
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165 if (!buffer.isImmutable())
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166 buffer.clear();
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167 return length;
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168 }
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169
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170 /* (non-Javadoc)
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171 * @see org.eclipse.io.BufferIO#flush(org.eclipse.io.Buffer, org.eclipse.io.Buffer, org.eclipse.io.Buffer)
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172 */
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173 public int flush(Buffer header, Buffer buffer, Buffer trailer) throws IOException
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174 {
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175 int len=0;
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176
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177 if (header!=null)
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178 {
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179 int tw=header.length();
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180 if (tw>0)
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181 {
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182 int f=flush(header);
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183 len=f;
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184 if (f<tw)
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185 return len;
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186 }
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187 }
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188
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189 if (buffer!=null)
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190 {
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191 int tw=buffer.length();
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192 if (tw>0)
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193 {
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194 int f=flush(buffer);
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195 if (f<0)
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196 return len>0?len:f;
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197 len+=f;
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198 if (f<tw)
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199 return len;
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200 }
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201 }
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202
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203 if (trailer!=null)
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204 {
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205 int tw=trailer.length();
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206 if (tw>0)
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207 {
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208 int f=flush(trailer);
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209 if (f<0)
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210 return len>0?len:f;
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211 len+=f;
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212 }
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213 }
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214 return len;
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215 }
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216
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217 /* ------------------------------------------------------------ */
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218 /*
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219 * @see org.eclipse.io.EndPoint#getLocalAddr()
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220 */
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221 public String getLocalAddr()
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222 {
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223 return null;
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224 }
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225
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226 /* ------------------------------------------------------------ */
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227 /*
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228 * @see org.eclipse.io.EndPoint#getLocalHost()
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229 */
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230 public String getLocalHost()
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231 {
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232 return null;
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233 }
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234
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235 /* ------------------------------------------------------------ */
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236 /*
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237 * @see org.eclipse.io.EndPoint#getLocalPort()
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238 */
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239 public int getLocalPort()
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240 {
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241 return 0;
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242 }
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243
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244 /* ------------------------------------------------------------ */
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245 /*
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246 * @see org.eclipse.io.EndPoint#getRemoteAddr()
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247 */
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248 public String getRemoteAddr()
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249 {
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250 return null;
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251 }
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252
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253 /* ------------------------------------------------------------ */
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254 /*
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255 * @see org.eclipse.io.EndPoint#getRemoteHost()
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256 */
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257 public String getRemoteHost()
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258 {
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259 return null;
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260 }
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261
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262 /* ------------------------------------------------------------ */
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263 /*
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264 * @see org.eclipse.io.EndPoint#getRemotePort()
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265 */
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266 public int getRemotePort()
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267 {
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268 return 0;
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269 }
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270
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271 /* ------------------------------------------------------------ */
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272 /*
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273 * @see org.eclipse.io.EndPoint#getConnection()
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274 */
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275 public Object getTransport()
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276 {
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277 return null;
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278 }
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279
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280 /* ------------------------------------------------------------ */
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281 public InputStream getInputStream()
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282 {
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283 return _in;
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284 }
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285
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286 /* ------------------------------------------------------------ */
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287 public void setInputStream(InputStream in)
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288 {
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289 _in=in;
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290 }
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291
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292 /* ------------------------------------------------------------ */
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293 public OutputStream getOutputStream()
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294 {
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295 return _out;
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296 }
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297
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298 /* ------------------------------------------------------------ */
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299 public void setOutputStream(OutputStream out)
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300 {
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301 _out=out;
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302 }
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303
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304
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305 /* ------------------------------------------------------------ */
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306 public void flush()
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307 throws IOException
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308 {
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309 if (_out != null)
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310 _out.flush();
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311 }
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312
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313 /* ------------------------------------------------------------ */
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314 public int getMaxIdleTime()
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315 {
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316 return _maxIdleTime;
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317 }
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318
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319 /* ------------------------------------------------------------ */
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320 public void setMaxIdleTime(int timeMs) throws IOException
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321 {
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322 _maxIdleTime=timeMs;
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323 }
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324
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325 }