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1 /* |
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2 * ==================================================================== |
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3 * |
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4 * Licensed to the Apache Software Foundation (ASF) under one or more |
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5 * contributor license agreements. See the NOTICE file distributed with |
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6 * this work for additional information regarding copyright ownership. |
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7 * The ASF licenses this file to You under the Apache License, Version 2.0 |
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8 * (the "License"); you may not use this file except in compliance with |
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9 * the License. You may obtain a copy of the License at |
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10 * |
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11 * http://www.apache.org/licenses/LICENSE-2.0 |
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12 * |
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13 * Unless required by applicable law or agreed to in writing, software |
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14 * distributed under the License is distributed on an "AS IS" BASIS, |
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15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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16 * See the License for the specific language governing permissions and |
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17 * limitations under the License. |
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18 * ==================================================================== |
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19 * |
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20 * This software consists of voluntary contributions made by many |
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21 * individuals on behalf of the Apache Software Foundation. For more |
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22 * information on the Apache Software Foundation, please see |
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23 * <http://www.apache.org/>. |
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24 * |
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25 */ |
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26 |
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27 package ch.boye.httpclientandroidlib.impl.conn; |
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28 |
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29 import java.io.IOException; |
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30 import java.io.InputStream; |
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31 import java.io.ByteArrayInputStream; |
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32 |
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33 import ch.boye.httpclientandroidlib.annotation.Immutable; |
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34 |
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35 import ch.boye.httpclientandroidlib.androidextra.HttpClientAndroidLog; |
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36 |
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37 /** |
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38 * Logs data to the wire LOG. |
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39 * |
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40 * |
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41 * @since 4.0 |
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42 */ |
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43 @Immutable |
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44 public class Wire { |
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45 |
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46 public HttpClientAndroidLog log; |
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47 |
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48 public Wire(HttpClientAndroidLog log) { |
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49 this.log = log; |
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50 } |
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51 |
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52 private void wire(String header, InputStream instream) |
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53 throws IOException { |
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54 StringBuilder buffer = new StringBuilder(); |
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55 int ch; |
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56 while ((ch = instream.read()) != -1) { |
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57 if (ch == 13) { |
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58 buffer.append("[\\r]"); |
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59 } else if (ch == 10) { |
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60 buffer.append("[\\n]\""); |
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61 buffer.insert(0, "\""); |
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62 buffer.insert(0, header); |
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63 log.debug(buffer.toString()); |
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64 buffer.setLength(0); |
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65 } else if ((ch < 32) || (ch > 127)) { |
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66 buffer.append("[0x"); |
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67 buffer.append(Integer.toHexString(ch)); |
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68 buffer.append("]"); |
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69 } else { |
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70 buffer.append((char) ch); |
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71 } |
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72 } |
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73 if (buffer.length() > 0) { |
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74 buffer.append('\"'); |
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75 buffer.insert(0, '\"'); |
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76 buffer.insert(0, header); |
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77 log.debug(buffer.toString()); |
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78 } |
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79 } |
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80 |
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81 |
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82 public boolean enabled() { |
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83 return log.isDebugEnabled(); |
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84 } |
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85 |
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86 public void output(InputStream outstream) |
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87 throws IOException { |
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88 if (outstream == null) { |
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89 throw new IllegalArgumentException("Output may not be null"); |
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90 } |
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91 wire(">> ", outstream); |
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92 } |
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93 |
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94 public void input(InputStream instream) |
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95 throws IOException { |
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96 if (instream == null) { |
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97 throw new IllegalArgumentException("Input may not be null"); |
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98 } |
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99 wire("<< ", instream); |
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100 } |
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101 |
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102 public void output(byte[] b, int off, int len) |
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103 throws IOException { |
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104 if (b == null) { |
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105 throw new IllegalArgumentException("Output may not be null"); |
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106 } |
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107 wire(">> ", new ByteArrayInputStream(b, off, len)); |
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108 } |
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109 |
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110 public void input(byte[] b, int off, int len) |
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111 throws IOException { |
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112 if (b == null) { |
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113 throw new IllegalArgumentException("Input may not be null"); |
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114 } |
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115 wire("<< ", new ByteArrayInputStream(b, off, len)); |
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116 } |
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117 |
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118 public void output(byte[] b) |
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119 throws IOException { |
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120 if (b == null) { |
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121 throw new IllegalArgumentException("Output may not be null"); |
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122 } |
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123 wire(">> ", new ByteArrayInputStream(b)); |
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124 } |
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125 |
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126 public void input(byte[] b) |
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127 throws IOException { |
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128 if (b == null) { |
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129 throw new IllegalArgumentException("Input may not be null"); |
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130 } |
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131 wire("<< ", new ByteArrayInputStream(b)); |
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132 } |
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133 |
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134 public void output(int b) |
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135 throws IOException { |
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136 output(new byte[] {(byte) b}); |
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137 } |
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138 |
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139 public void input(int b) |
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140 throws IOException { |
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141 input(new byte[] {(byte) b}); |
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142 } |
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143 |
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144 @Deprecated |
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145 public void output(final String s) |
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146 throws IOException { |
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147 if (s == null) { |
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148 throw new IllegalArgumentException("Output may not be null"); |
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149 } |
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150 output(s.getBytes()); |
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151 } |
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152 |
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153 @Deprecated |
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154 public void input(final String s) |
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155 throws IOException { |
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156 if (s == null) { |
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157 throw new IllegalArgumentException("Input may not be null"); |
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158 } |
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159 input(s.getBytes()); |
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160 } |
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161 } |