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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"><head><meta http-equiv="content-type" content="text/html; charset=UTF-8" /><title>HttpRecorder xref</title><link type="text/css" rel="stylesheet" href="../../../stylesheet.css" /></head><body><div id="overview"><a href="../../../../apidocs/org/archive/util/HttpRecorder.html">View Javadoc</a></div><pre><a name="1" href="#1">1</a> <em class="comment">/*<em class="comment"> HTTPRecorder</em></em><a name="2" href="#2">2</a> <em class="comment"> *</em><a name="3" href="#3">3</a> <em class="comment"> * $Id: HttpRecorder.java,v 1.23 2006/08/15 04:38:59 gojomo Exp $</em><a name="4" href="#4">4</a> <em class="comment"> *</em><a name="5" href="#5">5</a> <em class="comment"> * Created on Sep 22, 2003</em><a name="6" href="#6">6</a> <em class="comment"> *</em><a name="7" href="#7">7</a> <em class="comment"> * Copyright (C) 2003 Internet Archive.</em><a name="8" href="#8">8</a> <em class="comment"> *</em><a name="9" href="#9">9</a> <em class="comment"> * This file is part of the Heritrix web crawler (crawler.archive.org).</em><a name="10" href="#10">10</a> <em class="comment"> *</em><a name="11" href="#11">11</a> <em class="comment"> * Heritrix is free software; you can redistribute it and/or modify</em><a name="12" href="#12">12</a> <em class="comment"> * it under the terms of the GNU Lesser Public License as published by</em><a name="13" href="#13">13</a> <em class="comment"> * the Free Software Foundation; either version 2.1 of the License, or</em><a name="14" href="#14">14</a> <em class="comment"> * any later version.</em><a name="15" href="#15">15</a> <em class="comment"> *</em><a name="16" href="#16">16</a> <em class="comment"> * Heritrix is distributed in the hope that it will be useful,</em><a name="17" href="#17">17</a> <em class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</em><a name="18" href="#18">18</a> <em class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</em><a name="19" href="#19">19</a> <em class="comment"> * GNU Lesser Public License for more details.</em><a name="20" href="#20">20</a> <em class="comment"> *</em><a name="21" href="#21">21</a> <em class="comment"> * You should have received a copy of the GNU Lesser Public License</em><a name="22" href="#22">22</a> <em class="comment"> * along with Heritrix; if not, write to the Free Software</em><a name="23" href="#23">23</a> <em class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</em><a name="24" href="#24">24</a> <em class="comment"> */</em><a name="25" href="#25">25</a> <strong>package</strong> <a href="../../../org/archive/util/package-summary.html">org.archive.util</a>;<a name="26" href="#26">26</a> <a name="27" href="#27">27</a> <strong>import</strong> java.io.BufferedInputStream;<a name="28" href="#28">28</a> <strong>import</strong> java.io.File;<a name="29" href="#29">29</a> <strong>import</strong> java.io.IOException;<a name="30" href="#30">30</a> <strong>import</strong> java.io.InputStream;<a name="31" href="#31">31</a> <strong>import</strong> java.io.OutputStream;<a name="32" href="#32">32</a> <strong>import</strong> java.util.logging.Level;<a name="33" href="#33">33</a> <strong>import</strong> java.util.logging.Logger;<a name="34" href="#34">34</a> <a name="35" href="#35">35</a> <strong>import</strong> org.archive.io.RecordingInputStream;<a name="36" href="#36">36</a> <strong>import</strong> org.archive.io.RecordingOutputStream;<a name="37" href="#37">37</a> <strong>import</strong> org.archive.io.ReplayCharSequence;<a name="38" href="#38">38</a> <strong>import</strong> org.archive.io.ReplayInputStream;<a name="39" href="#39">39</a> <a name="40" href="#40">40</a> <a name="41" href="#41">41</a> <em>/**<em>*</em></em><a name="42" href="#42">42</a> <em> * Pairs together a RecordingInputStream and RecordingOutputStream</em><a name="43" href="#43">43</a> <em> * to capture exactly a single HTTP transaction.</em><a name="44" href="#44">44</a> <em> *</em><a name="45" href="#45">45</a> <em> * Initially only supports HTTP/1.0 (one request, one response per stream)</em><a name="46" href="#46">46</a> <em> *</em><a name="47" href="#47">47</a> <em> * Call {@link #markContentBegin()} to demarc the transition between HTTP</em><a name="48" href="#48">48</a> <em> * header and body.</em><a name="49" href="#49">49</a> <em> *</em><a name="50" href="#50">50</a> <em> * @author gojomo</em><a name="51" href="#51">51</a> <em> */</em><a name="52" href="#52">52</a> <strong>public</strong> <strong>class</strong> <a href="../../../org/archive/util/HttpRecorder.html">HttpRecorder</a> {<a name="53" href="#53">53</a> <strong>protected</strong> <strong>static</strong> Logger logger =<a name="54" href="#54">54</a> Logger.getLogger(<span class="string">"org.archive.util.HttpRecorder"</span>);<a name="55" href="#55">55</a> <a name="56" href="#56">56</a> <strong>private</strong> <strong>static</strong> <strong>final</strong> <strong>int</strong> DEFAULT_OUTPUT_BUFFER_SIZE = 4096;<a name="57" href="#57">57</a> <strong>private</strong> <strong>static</strong> <strong>final</strong> <strong>int</strong> DEFAULT_INPUT_BUFFER_SIZE = 65536;<a name="58" href="#58">58</a> <a name="59" href="#59">59</a> <strong>private</strong> <a href="../../../org/archive/io/RecordingInputStream.html">RecordingInputStream</a> ris = <strong>null</strong>;<a name="60" href="#60">60</a> <strong>private</strong> <a href="../../../org/archive/io/RecordingOutputStream.html">RecordingOutputStream</a> ros = <strong>null</strong>;<a name="61" href="#61">61</a> <a name="62" href="#62">62</a> <em>/**<em>*</em></em><a name="63" href="#63">63</a> <em> * Backing file basename.</em><a name="64" href="#64">64</a> <em> *</em><a name="65" href="#65">65</a> <em> * Keep it around so can clean up backing files left on disk.</em><a name="66" href="#66">66</a> <em> */</em><a name="67" href="#67">67</a> <strong>private</strong> String backingFileBasename = <strong>null</strong>;<a name="68" href="#68">68</a> <a name="69" href="#69">69</a> <em>/**<em>*</em></em><a name="70" href="#70">70</a> <em> * Backing file output stream suffix.</em><a name="71" href="#71">71</a> <em> */</em><a name="72" href="#72">72</a> <strong>private</strong> <strong>static</strong> <strong>final</strong> String RECORDING_OUTPUT_STREAM_SUFFIX = <span class="string">".ros"</span>;<a name="73" href="#73">73</a> <a name="74" href="#74">74</a> <em>/**<em>*</em></em><a name="75" href="#75">75</a> <em> * Backing file input stream suffix.</em><a name="76" href="#76">76</a> <em> */</em><a name="77" href="#77">77</a> <strong>private</strong> <strong>static</strong> <strong>final</strong> String RECORDING_INPUT_STREAM_SUFFIX = <span class="string">".ris"</span>;<a name="78" href="#78">78</a> <a name="79" href="#79">79</a> <em>/**<em>*</em></em><a name="80" href="#80">80</a> <em> * Response character encoding.</em><a name="81" href="#81">81</a> <em> */</em><a name="82" href="#82">82</a> <strong>private</strong> String characterEncoding = <strong>null</strong>;<a name="83" href="#83">83</a> <a name="84" href="#84">84</a> <em>/**<em>*</em></em><a name="85" href="#85">85</a> <em> * Constructor with limited access.</em><a name="86" href="#86">86</a> <em> * Used internally for case where we're wrapping an already</em><a name="87" href="#87">87</a> <em> * downloaded stream with a HttpRecorder.</em><a name="88" href="#88">88</a> <em> */</em><a name="89" href="#89">89</a> <strong>protected</strong> <a href="../../../org/archive/util/HttpRecorder.html">HttpRecorder</a>() {<a name="90" href="#90">90</a> <strong>super</strong>();<a name="91" href="#91">91</a> }<a name="92" href="#92">92</a> <a name="93" href="#93">93</a> <em>/**<em>*</em></em><a name="94" href="#94">94</a> <em> * Create an HttpRecorder.</em><a name="95" href="#95">95</a> <em> *</em><a name="96" href="#96">96</a> <em> * @param tempDir Directory into which we drop backing files for</em><a name="97" href="#97">97</a> <em> * recorded input and output.</em><a name="98" href="#98">98</a> <em> * @param backingFilenameBase Backing filename base to which we'll append</em><a name="99" href="#99">99</a> <em> * suffices <code>ris</code> for recorded input stream and</em><a name="100" href="#100">100</a> <em> * <code>ros</code> for recorded output stream.</em><a name="101" href="#101">101</a> <em> * @param outBufferSize Size of output buffer to use.</em><a name="102" href="#102">102</a> <em> * @param inBufferSize Size of input buffer to use.</em><a name="103" href="#103">103</a> <em> */</em><a name="104" href="#104">104</a> <strong>public</strong> <a href="../../../org/archive/util/HttpRecorder.html">HttpRecorder</a>(File tempDir, String backingFilenameBase, <a name="105" href="#105">105</a> <strong>int</strong> outBufferSize, <strong>int</strong> inBufferSize) {<a name="106" href="#106">106</a> <strong>super</strong>();<a name="107" href="#107">107</a> tempDir.mkdirs();<a name="108" href="#108">108</a> <strong>this</strong>.backingFileBasename =<a name="109" href="#109">109</a> (<strong>new</strong> File(tempDir.getPath(), backingFilenameBase))<a name="110" href="#110">110</a> .getAbsolutePath();<a name="111" href="#111">111</a> <strong>this</strong>.ris = <strong>new</strong> <a href="../../../org/archive/io/RecordingInputStream.html">RecordingInputStream</a>(inBufferSize,<a name="112" href="#112">112</a> <strong>this</strong>.backingFileBasename + RECORDING_INPUT_STREAM_SUFFIX);<a name="113" href="#113">113</a> <strong>this</strong>.ros = <strong>new</strong> <a href="../../../org/archive/io/RecordingOutputStream.html">RecordingOutputStream</a>(outBufferSize,<a name="114" href="#114">114</a> <strong>this</strong>.backingFileBasename + RECORDING_OUTPUT_STREAM_SUFFIX);<a name="115" href="#115">115</a> }<a name="116" href="#116">116</a> <a name="117" href="#117">117</a> <em>/**<em>*</em></em><a name="118" href="#118">118</a> <em> * Create an HttpRecorder.</em><a name="119" href="#119">119</a> <em> * </em><a name="120" href="#120">120</a> <em> * @param tempDir</em><a name="121" href="#121">121</a> <em> * Directory into which we drop backing files for recorded input</em><a name="122" href="#122">122</a> <em> * and output.</em><a name="123" href="#123">123</a> <em> * @param backingFilenameBase</em><a name="124" href="#124">124</a> <em> * Backing filename base to which we'll append suffices</em><a name="125" href="#125">125</a> <em> * <code>ris</code> for recorded input stream and</em><a name="126" href="#126">126</a> <em> * <code>ros</code> for recorded output stream.</em><a name="127" href="#127">127</a> <em> */</em><a name="128" href="#128">128</a> <strong>public</strong> <a href="../../../org/archive/util/HttpRecorder.html">HttpRecorder</a>(File tempDir, String backingFilenameBase) {<a name="129" href="#129">129</a> <strong>this</strong>(tempDir, backingFilenameBase, DEFAULT_INPUT_BUFFER_SIZE,<a name="130" href="#130">130</a> DEFAULT_OUTPUT_BUFFER_SIZE);<a name="131" href="#131">131</a> }<a name="132" href="#132">132</a> <a name="133" href="#133">133</a> <em>/**<em>*</em></em><a name="134" href="#134">134</a> <em> * Wrap the provided stream with the internal RecordingInputStream</em><a name="135" href="#135">135</a> <em> *</em><a name="136" href="#136">136</a> <em> * open() throws an exception if RecordingInputStream is already open.</em><a name="137" href="#137">137</a> <em> *</em><a name="138" href="#138">138</a> <em> * @param is InputStream to wrap.</em><a name="139" href="#139">139</a> <em> *</em><a name="140" href="#140">140</a> <em> * @return The input stream wrapper which itself is an input stream.</em><a name="141" href="#141">141</a> <em> * Pass this in place of the passed stream so input can be recorded.</em><a name="142" href="#142">142</a> <em> *</em><a name="143" href="#143">143</a> <em> * @throws IOException</em><a name="144" href="#144">144</a> <em> */</em><a name="145" href="#145">145</a> <strong>public</strong> InputStream inputWrap(InputStream is) <a name="146" href="#146">146</a> throws IOException {<a name="147" href="#147">147</a> logger.fine(Thread.currentThread().getName() + <span class="string">" wrapping input"</span>);<a name="148" href="#148">148</a> <strong>this</strong>.ris.open(is);<a name="149" href="#149">149</a> <strong>return</strong> <strong>this</strong>.ris;<a name="150" href="#150">150</a> }<a name="151" href="#151">151</a> <a name="152" href="#152">152</a> <em>/**<em>*</em></em><a name="153" href="#153">153</a> <em> * Wrap the provided stream with the internal RecordingOutputStream</em><a name="154" href="#154">154</a> <em> *</em><a name="155" href="#155">155</a> <em> * open() throws an exception if RecordingOutputStream is already open.</em><a name="156" href="#156">156</a> <em> * </em><a name="157" href="#157">157</a> <em> * @param os The output stream to wrap.</em><a name="158" href="#158">158</a> <em> *</em><a name="159" href="#159">159</a> <em> * @return The output stream wrapper which is itself an output stream.</em><a name="160" href="#160">160</a> <em> * Pass this in place of the passed stream so output can be recorded.</em><a name="161" href="#161">161</a> <em> *</em><a name="162" href="#162">162</a> <em> * @throws IOException</em><a name="163" href="#163">163</a> <em> */</em><a name="164" href="#164">164</a> <strong>public</strong> OutputStream outputWrap(OutputStream os) <a name="165" href="#165">165</a> throws IOException {<a name="166" href="#166">166</a> <strong>this</strong>.ros.open(os);<a name="167" href="#167">167</a> <strong>return</strong> <strong>this</strong>.ros;<a name="168" href="#168">168</a> }⌨️ 快捷键说明
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