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annotate src/org/eclipse/jetty/util/IO.java @ 803:166b16bda630

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remove org.eclipse.jetty.util.preventers
author Franklin Schmidt <fschmidt@gmail.com>
date Wed, 07 Sep 2016 21:21:32 -0600
parents 3428c60d7cfc
children 8e9db0bbf4f9
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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 package org.eclipse.jetty.util;
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20 import java.io.ByteArrayOutputStream;
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21 import java.io.Closeable;
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22 import java.io.File;
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23 import java.io.FileInputStream;
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24 import java.io.FileOutputStream;
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25 import java.io.IOException;
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26 import java.io.InputStream;
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27 import java.io.InputStreamReader;
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28 import java.io.OutputStream;
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29 import java.io.PrintWriter;
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30 import java.io.Reader;
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31 import java.io.StringWriter;
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32 import java.io.Writer;
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33
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34 import org.eclipse.jetty.util.log.Log;
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35 import org.eclipse.jetty.util.log.Logger;
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36 import org.eclipse.jetty.util.thread.QueuedThreadPool;
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37
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38 /* ======================================================================== */
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39 /** IO Utilities.
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40 * Provides stream handling utilities in
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41 * singleton Threadpool implementation accessed by static members.
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42 */
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43 public class IO
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44 {
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45 private static final Logger LOG = Log.getLogger(IO.class);
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46
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47 /* ------------------------------------------------------------------- */
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48 public final static String
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49 CRLF = "\015\012";
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50
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51 /* ------------------------------------------------------------------- */
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52 public final static byte[]
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53 CRLF_BYTES = {(byte)'\015',(byte)'\012'};
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54
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55 /* ------------------------------------------------------------------- */
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56 public static int bufferSize = 64*1024;
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57
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58 /* ------------------------------------------------------------------- */
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59 // TODO get rid of this singleton!
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60 private static class Singleton {
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61 static final QueuedThreadPool __pool=new QueuedThreadPool();
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62 static
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63 {
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64 try{__pool.start();}
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65 catch(Exception e){LOG.warn(e); System.exit(1);}
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66 }
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67 }
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68
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69 /* ------------------------------------------------------------------- */
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70 static class Job implements Runnable
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71 {
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72 InputStream in;
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73 OutputStream out;
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74 Reader read;
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75 Writer write;
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76
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77 Job(InputStream in,OutputStream out)
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78 {
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79 this.in=in;
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80 this.out=out;
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81 this.read=null;
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82 this.write=null;
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83 }
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84 Job(Reader read,Writer write)
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85 {
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86 this.in=null;
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87 this.out=null;
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88 this.read=read;
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89 this.write=write;
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90 }
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91
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92 /* ------------------------------------------------------------ */
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93 /*
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94 * @see java.lang.Runnable#run()
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95 */
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96 public void run()
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97 {
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98 try {
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99 if (in!=null)
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100 copy(in,out,-1);
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101 else
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102 copy(read,write,-1);
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103 }
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104 catch(IOException e)
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105 {
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106 LOG.ignore(e);
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107 try{
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108 if (out!=null)
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109 out.close();
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110 if (write!=null)
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111 write.close();
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112 }
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113 catch(IOException e2)
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114 {
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115 LOG.ignore(e2);
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116 }
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117 }
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118 }
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119 }
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120
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121 /* ------------------------------------------------------------------- */
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122 /** Copy Stream in to Stream out until EOF or exception.
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123 * in own thread
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124 */
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125 public static void copyThread(InputStream in, OutputStream out)
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126 {
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127 try{
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128 Job job=new Job(in,out);
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129 if (!Singleton.__pool.dispatch(job))
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130 job.run();
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131 }
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132 catch(Exception e)
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133 {
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134 LOG.warn(e);
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135 }
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136 }
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137
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138 /* ------------------------------------------------------------------- */
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139 /** Copy Stream in to Stream out until EOF or exception.
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140 */
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141 public static void copy(InputStream in, OutputStream out)
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142 throws IOException
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143 {
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144 copy(in,out,-1);
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145 }
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146
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147 /* ------------------------------------------------------------------- */
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148 /** Copy Stream in to Stream out until EOF or exception
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149 * in own thread
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150 */
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151 public static void copyThread(Reader in, Writer out)
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152 {
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153 try
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154 {
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155 Job job=new Job(in,out);
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156 if (!Singleton.__pool.dispatch(job))
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157 job.run();
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158 }
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159 catch(Exception e)
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160 {
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161 LOG.warn(e);
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162 }
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163 }
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164
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165 /* ------------------------------------------------------------------- */
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166 /** Copy Reader to Writer out until EOF or exception.
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167 */
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168 public static void copy(Reader in, Writer out)
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169 throws IOException
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170 {
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171 copy(in,out,-1);
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172 }
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173
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diff changeset
174 /* ------------------------------------------------------------------- */
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175 /** Copy Stream in to Stream for byteCount bytes or until EOF or exception.
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176 */
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diff changeset
177 public static void copy(InputStream in,
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178 OutputStream out,
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179 long byteCount)
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180 throws IOException
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181 {
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182 byte buffer[] = new byte[bufferSize];
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183 int len=bufferSize;
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184
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185 if (byteCount>=0)
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186 {
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187 while (byteCount>0)
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188 {
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189 int max = byteCount<bufferSize?(int)byteCount:bufferSize;
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190 len=in.read(buffer,0,max);
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191
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192 if (len==-1)
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193 break;
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194
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195 byteCount -= len;
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196 out.write(buffer,0,len);
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197 }
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198 }
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199 else
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200 {
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201 while (true)
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202 {
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203 len=in.read(buffer,0,bufferSize);
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204 if (len<0 )
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205 break;
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206 out.write(buffer,0,len);
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207 }
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208 }
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209 }
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210
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211 /* ------------------------------------------------------------------- */
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212 /** Copy Reader to Writer for byteCount bytes or until EOF or exception.
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213 */
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214 public static void copy(Reader in,
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215 Writer out,
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216 long byteCount)
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217 throws IOException
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218 {
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219 char buffer[] = new char[bufferSize];
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220 int len=bufferSize;
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221
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222 if (byteCount>=0)
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223 {
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224 while (byteCount>0)
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225 {
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226 if (byteCount<bufferSize)
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227 len=in.read(buffer,0,(int)byteCount);
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228 else
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229 len=in.read(buffer,0,bufferSize);
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230
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231 if (len==-1)
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232 break;
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233
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234 byteCount -= len;
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235 out.write(buffer,0,len);
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236 }
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237 }
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238 else if (out instanceof PrintWriter)
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239 {
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240 PrintWriter pout=(PrintWriter)out;
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diff changeset
241 while (!pout.checkError())
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242 {
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243 len=in.read(buffer,0,bufferSize);
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244 if (len==-1)
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245 break;
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246 out.write(buffer,0,len);
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247 }
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248 }
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diff changeset
249 else
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
250 {
3428c60d7cfc replace jetty jars with source
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251 while (true)
3428c60d7cfc replace jetty jars with source
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252 {
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diff changeset
253 len=in.read(buffer,0,bufferSize);
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254 if (len==-1)
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diff changeset
255 break;
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diff changeset
256 out.write(buffer,0,len);
3428c60d7cfc replace jetty jars with source
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diff changeset
257 }
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diff changeset
258 }
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parents:
diff changeset
259 }
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diff changeset
260
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diff changeset
261 /* ------------------------------------------------------------ */
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diff changeset
262 /** Copy files or directories
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parents:
diff changeset
263 * @param from
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diff changeset
264 * @param to
3428c60d7cfc replace jetty jars with source
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265 * @throws IOException
3428c60d7cfc replace jetty jars with source
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266 */
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diff changeset
267 public static void copy(File from,File to) throws IOException
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268 {
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diff changeset
269 if (from.isDirectory())
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270 copyDir(from,to);
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diff changeset
271 else
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272 copyFile(from,to);
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diff changeset
273 }
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parents:
diff changeset
274
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
275 /* ------------------------------------------------------------ */
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diff changeset
276 public static void copyDir(File from,File to) throws IOException
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diff changeset
277 {
3428c60d7cfc replace jetty jars with source
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diff changeset
278 if (to.exists())
3428c60d7cfc replace jetty jars with source
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diff changeset
279 {
3428c60d7cfc replace jetty jars with source
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diff changeset
280 if (!to.isDirectory())
3428c60d7cfc replace jetty jars with source
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diff changeset
281 throw new IllegalArgumentException(to.toString());
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
282 }
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diff changeset
283 else
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diff changeset
284 to.mkdirs();
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diff changeset
285
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parents:
diff changeset
286 File[] files = from.listFiles();
3428c60d7cfc replace jetty jars with source
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diff changeset
287 if (files!=null)
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diff changeset
288 {
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diff changeset
289 for (int i=0;i<files.length;i++)
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diff changeset
290 {
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diff changeset
291 String name = files[i].getName();
3428c60d7cfc replace jetty jars with source
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diff changeset
292 if (".".equals(name) || "..".equals(name))
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diff changeset
293 continue;
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diff changeset
294 copy(files[i],new File(to,name));
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295 }
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parents:
diff changeset
296 }
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297 }
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diff changeset
298
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parents:
diff changeset
299 /* ------------------------------------------------------------ */
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diff changeset
300 public static void copyFile(File from,File to) throws IOException
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diff changeset
301 {
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diff changeset
302 FileInputStream in=new FileInputStream(from);
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diff changeset
303 FileOutputStream out=new FileOutputStream(to);
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diff changeset
304 copy(in,out);
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diff changeset
305 in.close();
3428c60d7cfc replace jetty jars with source
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diff changeset
306 out.close();
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
307 }
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diff changeset
308
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
309 /* ------------------------------------------------------------ */
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parents:
diff changeset
310 /** Read input stream to string.
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diff changeset
311 */
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diff changeset
312 public static String toString(InputStream in)
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diff changeset
313 throws IOException
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diff changeset
314 {
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diff changeset
315 return toString(in,null);
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
316 }
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
317
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parents:
diff changeset
318 /* ------------------------------------------------------------ */
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parents:
diff changeset
319 /** Read input stream to string.
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parents:
diff changeset
320 */
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parents:
diff changeset
321 public static String toString(InputStream in,String encoding)
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
322 throws IOException
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
323 {
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
324 StringWriter writer=new StringWriter();
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
325 InputStreamReader reader = encoding==null?new InputStreamReader(in):new InputStreamReader(in,encoding);
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
326
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
327 copy(reader,writer);
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parents:
diff changeset
328 return writer.toString();
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parents:
diff changeset
329 }
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
330
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
331 /* ------------------------------------------------------------ */
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parents:
diff changeset
332 /** Read input stream to string.
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
333 */
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
334 public static String toString(Reader in)
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
335 throws IOException
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
336 {
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
337 StringWriter writer=new StringWriter();
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
338 copy(in,writer);
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
339 return writer.toString();
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
340 }
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
341
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
342
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
343 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
344 /** Delete File.
3428c60d7cfc replace jetty jars with source
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parents:
diff changeset
345 * This delete will recursively delete directories - BE CAREFULL
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
346 * @param file The file to be deleted.
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
347 */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
348 public static boolean delete(File file)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
349 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
350 if (!file.exists())
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
351 return false;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
352 if (file.isDirectory())
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
353 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
354 File[] files = file.listFiles();
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
355 for (int i=0;files!=null && i<files.length;i++)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
356 delete(files[i]);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
357 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
358 return file.delete();
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
359 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
360
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
361 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
362 /**
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
363 * closes any {@link Closeable}
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
364 *
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
365 * @param c the closeable to close
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
366 */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
367 public static void close(Closeable c)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
368 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
369 try
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
370 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
371 if (c != null)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
372 c.close();
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
373 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
374 catch (IOException e)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
375 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
376 LOG.ignore(e);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
377 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
378 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
379
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
380 /**
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
381 * closes an input stream, and logs exceptions
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
382 *
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
383 * @param is the input stream to close
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
384 */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
385 public static void close(InputStream is)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
386 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
387 try
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
388 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
389 if (is != null)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
390 is.close();
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
391 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
392 catch (IOException e)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
393 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
394 LOG.ignore(e);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
395 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
396 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
397
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
398 /**
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
399 * closes a reader, and logs exceptions
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
400 *
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
401 * @param reader the reader to close
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
402 */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
403 public static void close(Reader reader)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
404 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
405 try
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
406 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
407 if (reader != null)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
408 reader.close();
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
409 } catch (IOException e)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
410 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
411 LOG.ignore(e);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
412 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
413 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
414
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
415 /**
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
416 * closes a writer, and logs exceptions
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
417 *
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
418 * @param writer the writer to close
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
419 */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
420 public static void close(Writer writer)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
421 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
422 try
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
423 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
424 if (writer != null)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
425 writer.close();
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
426 } catch (IOException e)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
427 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
428 LOG.ignore(e);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
429 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
430 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
431
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
432 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
433 public static byte[] readBytes(InputStream in)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
434 throws IOException
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
435 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
436 ByteArrayOutputStream bout = new ByteArrayOutputStream();
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
437 copy(in,bout);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
438 return bout.toByteArray();
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
439 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
440
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
441 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
442 /**
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
443 * closes an output stream, and logs exceptions
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
444 *
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
445 * @param os the output stream to close
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
446 */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
447 public static void close(OutputStream os)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
448 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
449 try
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
450 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
451 if (os != null)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
452 os.close();
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
453 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
454 catch (IOException e)
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
455 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
456 LOG.ignore(e);
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
457 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
458 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
459
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
460 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
461 /**
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
462 * @return An outputstream to nowhere
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
463 */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
464 public static OutputStream getNullStream()
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
465 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
466 return __nullStream;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
467 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
468
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
469 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
470 /**
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
471 * @return An outputstream to nowhere
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
472 */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
473 public static InputStream getClosedStream()
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
474 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
475 return __closedStream;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
476 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
477
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
478 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
479 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
480 private static class NullOS extends OutputStream
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
481 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
482 @Override
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
483 public void close(){}
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
484 @Override
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
485 public void flush(){}
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
486 @Override
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
487 public void write(byte[]b){}
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
488 @Override
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
489 public void write(byte[]b,int i,int l){}
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
490 @Override
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
491 public void write(int b){}
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
492 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
493 private static NullOS __nullStream = new NullOS();
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
494
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
495
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
496 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
497 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
498 private static class ClosedIS extends InputStream
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
499 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
500 @Override
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
501 public int read() throws IOException
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
502 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
503 return -1;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
504 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
505 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
506 private static ClosedIS __closedStream = new ClosedIS();
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
507
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
508 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
509 /**
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
510 * @return An writer to nowhere
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
511 */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
512 public static Writer getNullWriter()
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
513 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
514 return __nullWriter;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
515 }
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
516
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
517 /* ------------------------------------------------------------ */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
518 /**
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
519 * @return An writer to nowhere
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
520 */
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
521 public static PrintWriter getNullPrintWriter()
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
522 {
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
523 return __nullPrintWriter;
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
diff changeset
524 }
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525
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526 /* ------------------------------------------------------------ */
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527 /* ------------------------------------------------------------ */
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528 private static class NullWrite extends Writer
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529 {
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530 @Override
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531 public void close(){}
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532 @Override
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533 public void flush(){}
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534 @Override
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535 public void write(char[]b){}
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536 @Override
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537 public void write(char[]b,int o,int l){}
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538 @Override
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539 public void write(int b){}
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540 @Override
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541 public void write(String s){}
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542 @Override
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543 public void write(String s,int o,int l){}
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544 }
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545 private static NullWrite __nullWriter = new NullWrite();
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546 private static PrintWriter __nullPrintWriter = new PrintWriter(__nullWriter);
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547 }
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548
3428c60d7cfc replace jetty jars with source
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549
3428c60d7cfc replace jetty jars with source
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parents:
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550
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parents:
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551
3428c60d7cfc replace jetty jars with source
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parents:
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552
3428c60d7cfc replace jetty jars with source
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553
3428c60d7cfc replace jetty jars with source
Franklin Schmidt <fschmidt@gmail.com>
parents:
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554
3428c60d7cfc replace jetty jars with source
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parents:
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555
3428c60d7cfc replace jetty jars with source
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parents:
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556