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Posted to commits@hc.apache.org by ol...@apache.org on 2016/06/25 09:37:09 UTC
svn commit: r1750192 [4/18] - in
/httpcomponents/site/httpcomponents-asyncclient-4.1.x: ./
httpasyncclient-cache/ httpasyncclient-cache/apidocs/
httpasyncclient-cache/apidocs/org/apache/http/impl/client/cache/
httpasyncclient-cache/apidocs/org/apache/h...
Modified: httpcomponents/site/httpcomponents-asyncclient-4.1.x/httpasyncclient-cache/xref/org/apache/http/impl/client/cache/CachingHttpAsyncClient.html
URL: http://svn.apache.org/viewvc/httpcomponents/site/httpcomponents-asyncclient-4.1.x/httpasyncclient-cache/xref/org/apache/http/impl/client/cache/CachingHttpAsyncClient.html?rev=1750192&r1=1750191&r2=1750192&view=diff
==============================================================================
--- httpcomponents/site/httpcomponents-asyncclient-4.1.x/httpasyncclient-cache/xref/org/apache/http/impl/client/cache/CachingHttpAsyncClient.html (original)
+++ httpcomponents/site/httpcomponents-asyncclient-4.1.x/httpasyncclient-cache/xref/org/apache/http/impl/client/cache/CachingHttpAsyncClient.html Sat Jun 25 09:35:53 2016
@@ -58,967 +58,968 @@
<a class="jxr_linenumber" name="48" href="#48">48</a> <strong class="jxr_keyword">import</strong> org.apache.http.ProtocolException;
<a class="jxr_linenumber" name="49" href="#49">49</a> <strong class="jxr_keyword">import</strong> org.apache.http.ProtocolVersion;
<a class="jxr_linenumber" name="50" href="#50">50</a> <strong class="jxr_keyword">import</strong> org.apache.http.RequestLine;
-<a class="jxr_linenumber" name="51" href="#51">51</a> <strong class="jxr_keyword">import</strong> org.apache.http.annotation.ThreadSafe;
-<a class="jxr_linenumber" name="52" href="#52">52</a> <strong class="jxr_keyword">import</strong> org.apache.http.client.ClientProtocolException;
-<a class="jxr_linenumber" name="53" href="#53">53</a> <strong class="jxr_keyword">import</strong> org.apache.http.client.cache.CacheResponseStatus;
-<a class="jxr_linenumber" name="54" href="#54">54</a> <strong class="jxr_keyword">import</strong> org.apache.http.client.cache.HeaderConstants;
-<a class="jxr_linenumber" name="55" href="#55">55</a> <strong class="jxr_keyword">import</strong> org.apache.http.client.cache.HttpCacheContext;
-<a class="jxr_linenumber" name="56" href="#56">56</a> <strong class="jxr_keyword">import</strong> org.apache.http.client.cache.HttpCacheEntry;
-<a class="jxr_linenumber" name="57" href="#57">57</a> <strong class="jxr_keyword">import</strong> org.apache.http.client.cache.HttpCacheStorage;
-<a class="jxr_linenumber" name="58" href="#58">58</a> <strong class="jxr_keyword">import</strong> org.apache.http.client.cache.ResourceFactory;
-<a class="jxr_linenumber" name="59" href="#59">59</a> <strong class="jxr_keyword">import</strong> org.apache.http.client.methods.CloseableHttpResponse;
-<a class="jxr_linenumber" name="60" href="#60">60</a> <strong class="jxr_keyword">import</strong> org.apache.http.client.methods.HttpRequestWrapper;
-<a class="jxr_linenumber" name="61" href="#61">61</a> <strong class="jxr_keyword">import</strong> org.apache.http.client.methods.HttpUriRequest;
-<a class="jxr_linenumber" name="62" href="#62">62</a> <strong class="jxr_keyword">import</strong> org.apache.http.client.protocol.HttpClientContext;
-<a class="jxr_linenumber" name="63" href="#63">63</a> <strong class="jxr_keyword">import</strong> org.apache.http.client.utils.DateUtils;
-<a class="jxr_linenumber" name="64" href="#64">64</a> <strong class="jxr_keyword">import</strong> org.apache.http.concurrent.BasicFuture;
-<a class="jxr_linenumber" name="65" href="#65">65</a> <strong class="jxr_keyword">import</strong> org.apache.http.concurrent.FutureCallback;
-<a class="jxr_linenumber" name="66" href="#66">66</a> <strong class="jxr_keyword">import</strong> org.apache.http.conn.routing.HttpRoute;
-<a class="jxr_linenumber" name="67" href="#67">67</a> <strong class="jxr_keyword">import</strong> org.apache.http.impl.nio.client.HttpAsyncClients;
-<a class="jxr_linenumber" name="68" href="#68">68</a> <strong class="jxr_keyword">import</strong> org.apache.http.message.BasicHttpResponse;
-<a class="jxr_linenumber" name="69" href="#69">69</a> <strong class="jxr_keyword">import</strong> org.apache.http.nio.client.HttpAsyncClient;
-<a class="jxr_linenumber" name="70" href="#70">70</a> <strong class="jxr_keyword">import</strong> org.apache.http.nio.protocol.HttpAsyncRequestProducer;
-<a class="jxr_linenumber" name="71" href="#71">71</a> <strong class="jxr_keyword">import</strong> org.apache.http.nio.protocol.HttpAsyncResponseConsumer;
-<a class="jxr_linenumber" name="72" href="#72">72</a> <strong class="jxr_keyword">import</strong> org.apache.http.nio.reactor.IOReactorException;
-<a class="jxr_linenumber" name="73" href="#73">73</a> <strong class="jxr_keyword">import</strong> org.apache.http.protocol.HTTP;
-<a class="jxr_linenumber" name="74" href="#74">74</a> <strong class="jxr_keyword">import</strong> org.apache.http.protocol.HttpContext;
-<a class="jxr_linenumber" name="75" href="#75">75</a> <strong class="jxr_keyword">import</strong> org.apache.http.util.Args;
-<a class="jxr_linenumber" name="76" href="#76">76</a> <strong class="jxr_keyword">import</strong> org.apache.http.util.EntityUtils;
-<a class="jxr_linenumber" name="77" href="#77">77</a> <strong class="jxr_keyword">import</strong> org.apache.http.util.VersionInfo;
-<a class="jxr_linenumber" name="78" href="#78">78</a>
-<a class="jxr_linenumber" name="79" href="#79">79</a> @ThreadSafe <em class="jxr_comment">// So long as the responseCache implementation is threadsafe</em>
-<a class="jxr_linenumber" name="80" href="#80">80</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachingHttpAsyncClient.html">CachingHttpAsyncClient</a> <strong class="jxr_keyword">implements</strong> HttpAsyncClient {
-<a class="jxr_linenumber" name="81" href="#81">81</a>
-<a class="jxr_linenumber" name="82" href="#82">82</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> SUPPORTS_RANGE_AND_CONTENT_RANGE_HEADERS = false;
-<a class="jxr_linenumber" name="83" href="#83">83</a>
-<a class="jxr_linenumber" name="84" href="#84">84</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> AtomicLong cacheHits = <strong class="jxr_keyword">new</strong> AtomicLong();
-<a class="jxr_linenumber" name="85" href="#85">85</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> AtomicLong cacheMisses = <strong class="jxr_keyword">new</strong> AtomicLong();
-<a class="jxr_linenumber" name="86" href="#86">86</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> AtomicLong cacheUpdates = <strong class="jxr_keyword">new</strong> AtomicLong();
-<a class="jxr_linenumber" name="87" href="#87">87</a>
-<a class="jxr_linenumber" name="88" href="#88">88</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Map<ProtocolVersion, String> viaHeaders = <strong class="jxr_keyword">new</strong> HashMap<ProtocolVersion, String>(4);
-<a class="jxr_linenumber" name="89" href="#89">89</a>
-<a class="jxr_linenumber" name="90" href="#90">90</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> HttpAsyncClient backend;
-<a class="jxr_linenumber" name="91" href="#91">91</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> HttpCache responseCache;
-<a class="jxr_linenumber" name="92" href="#92">92</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> CacheValidityPolicy validityPolicy;
-<a class="jxr_linenumber" name="93" href="#93">93</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> ResponseCachingPolicy responseCachingPolicy;
-<a class="jxr_linenumber" name="94" href="#94">94</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> CachedHttpResponseGenerator responseGenerator;
-<a class="jxr_linenumber" name="95" href="#95">95</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> CacheableRequestPolicy cacheableRequestPolicy;
-<a class="jxr_linenumber" name="96" href="#96">96</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> CachedResponseSuitabilityChecker suitabilityChecker;
-<a class="jxr_linenumber" name="97" href="#97">97</a>
-<a class="jxr_linenumber" name="98" href="#98">98</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> ConditionalRequestBuilder conditionalRequestBuilder;
-<a class="jxr_linenumber" name="99" href="#99">99</a>
-<a class="jxr_linenumber" name="100" href="#100">100</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> maxObjectSizeBytes;
-<a class="jxr_linenumber" name="101" href="#101">101</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> sharedCache;
-<a class="jxr_linenumber" name="102" href="#102">102</a>
-<a class="jxr_linenumber" name="103" href="#103">103</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> ResponseProtocolCompliance responseCompliance;
-<a class="jxr_linenumber" name="104" href="#104">104</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> RequestProtocolCompliance requestCompliance;
-<a class="jxr_linenumber" name="105" href="#105">105</a>
-<a class="jxr_linenumber" name="106" href="#106">106</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/http/impl/client/cache/AsynchronousAsyncValidator.html">AsynchronousAsyncValidator</a> asynchAsyncRevalidator;
-<a class="jxr_linenumber" name="107" href="#107">107</a>
-<a class="jxr_linenumber" name="108" href="#108">108</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Log log = LogFactory.getLog(getClass());
-<a class="jxr_linenumber" name="109" href="#109">109</a>
-<a class="jxr_linenumber" name="110" href="#110">110</a> <a href="../../../../../../org/apache/http/impl/client/cache/CachingHttpAsyncClient.html">CachingHttpAsyncClient</a>(
-<a class="jxr_linenumber" name="111" href="#111">111</a> <strong class="jxr_keyword">final</strong> HttpAsyncClient client,
-<a class="jxr_linenumber" name="112" href="#112">112</a> <strong class="jxr_keyword">final</strong> HttpCache cache,
-<a class="jxr_linenumber" name="113" href="#113">113</a> <strong class="jxr_keyword">final</strong> CacheConfig config) {
-<a class="jxr_linenumber" name="114" href="#114">114</a> <strong class="jxr_keyword">super</strong>();
-<a class="jxr_linenumber" name="115" href="#115">115</a> Args.notNull(client, <span class="jxr_string">"HttpClient"</span>);
-<a class="jxr_linenumber" name="116" href="#116">116</a> Args.notNull(cache, <span class="jxr_string">"HttpCache"</span>);
-<a class="jxr_linenumber" name="117" href="#117">117</a> Args.notNull(config, <span class="jxr_string">"CacheConfig"</span>);
-<a class="jxr_linenumber" name="118" href="#118">118</a> <strong class="jxr_keyword">this</strong>.maxObjectSizeBytes = config.getMaxObjectSize();
-<a class="jxr_linenumber" name="119" href="#119">119</a> <strong class="jxr_keyword">this</strong>.sharedCache = config.isSharedCache();
-<a class="jxr_linenumber" name="120" href="#120">120</a> <strong class="jxr_keyword">this</strong>.backend = client;
-<a class="jxr_linenumber" name="121" href="#121">121</a> <strong class="jxr_keyword">this</strong>.responseCache = cache;
-<a class="jxr_linenumber" name="122" href="#122">122</a> <strong class="jxr_keyword">this</strong>.validityPolicy = <strong class="jxr_keyword">new</strong> CacheValidityPolicy();
-<a class="jxr_linenumber" name="123" href="#123">123</a> <strong class="jxr_keyword">this</strong>.responseCachingPolicy = <strong class="jxr_keyword">new</strong> ResponseCachingPolicy(<strong class="jxr_keyword">this</strong>.maxObjectSizeBytes, <strong class="jxr_keyword">this</strong>.sharedCache, false, config.is303CachingEnabled());
-<a class="jxr_linenumber" name="124" href="#124">124</a> <strong class="jxr_keyword">this</strong>.responseGenerator = <strong class="jxr_keyword">new</strong> CachedHttpResponseGenerator(<strong class="jxr_keyword">this</strong>.validityPolicy);
-<a class="jxr_linenumber" name="125" href="#125">125</a> <strong class="jxr_keyword">this</strong>.cacheableRequestPolicy = <strong class="jxr_keyword">new</strong> CacheableRequestPolicy();
-<a class="jxr_linenumber" name="126" href="#126">126</a> <strong class="jxr_keyword">this</strong>.suitabilityChecker = <strong class="jxr_keyword">new</strong> CachedResponseSuitabilityChecker(<strong class="jxr_keyword">this</strong>.validityPolicy, config);
-<a class="jxr_linenumber" name="127" href="#127">127</a> <strong class="jxr_keyword">this</strong>.conditionalRequestBuilder = <strong class="jxr_keyword">new</strong> ConditionalRequestBuilder();
-<a class="jxr_linenumber" name="128" href="#128">128</a>
-<a class="jxr_linenumber" name="129" href="#129">129</a> <strong class="jxr_keyword">this</strong>.responseCompliance = <strong class="jxr_keyword">new</strong> ResponseProtocolCompliance();
-<a class="jxr_linenumber" name="130" href="#130">130</a> <strong class="jxr_keyword">this</strong>.requestCompliance = <strong class="jxr_keyword">new</strong> RequestProtocolCompliance(config.isWeakETagOnPutDeleteAllowed());
-<a class="jxr_linenumber" name="131" href="#131">131</a>
-<a class="jxr_linenumber" name="132" href="#132">132</a> <strong class="jxr_keyword">this</strong>.asynchAsyncRevalidator = makeAsynchronousValidator(config);
-<a class="jxr_linenumber" name="133" href="#133">133</a> }
-<a class="jxr_linenumber" name="134" href="#134">134</a>
-<a class="jxr_linenumber" name="135" href="#135">135</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachingHttpAsyncClient.html">CachingHttpAsyncClient</a>() <strong class="jxr_keyword">throws</strong> IOReactorException {
-<a class="jxr_linenumber" name="136" href="#136">136</a> <strong class="jxr_keyword">this</strong>(HttpAsyncClients.createDefault(),
-<a class="jxr_linenumber" name="137" href="#137">137</a> <strong class="jxr_keyword">new</strong> BasicHttpCache(),
-<a class="jxr_linenumber" name="138" href="#138">138</a> CacheConfig.DEFAULT);
-<a class="jxr_linenumber" name="139" href="#139">139</a> }
-<a class="jxr_linenumber" name="140" href="#140">140</a>
-<a class="jxr_linenumber" name="141" href="#141">141</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachingHttpAsyncClient.html">CachingHttpAsyncClient</a>(<strong class="jxr_keyword">final</strong> CacheConfig config) <strong class="jxr_keyword">throws</strong> IOReactorException {
-<a class="jxr_linenumber" name="142" href="#142">142</a> <strong class="jxr_keyword">this</strong>(HttpAsyncClients.createDefault(),
-<a class="jxr_linenumber" name="143" href="#143">143</a> <strong class="jxr_keyword">new</strong> BasicHttpCache(config),
-<a class="jxr_linenumber" name="144" href="#144">144</a> config);
-<a class="jxr_linenumber" name="145" href="#145">145</a> }
-<a class="jxr_linenumber" name="146" href="#146">146</a>
-<a class="jxr_linenumber" name="147" href="#147">147</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachingHttpAsyncClient.html">CachingHttpAsyncClient</a>(<strong class="jxr_keyword">final</strong> HttpAsyncClient client) {
-<a class="jxr_linenumber" name="148" href="#148">148</a> <strong class="jxr_keyword">this</strong>(client,
-<a class="jxr_linenumber" name="149" href="#149">149</a> <strong class="jxr_keyword">new</strong> BasicHttpCache(),
-<a class="jxr_linenumber" name="150" href="#150">150</a> CacheConfig.DEFAULT);
-<a class="jxr_linenumber" name="151" href="#151">151</a> }
-<a class="jxr_linenumber" name="152" href="#152">152</a>
-<a class="jxr_linenumber" name="153" href="#153">153</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachingHttpAsyncClient.html">CachingHttpAsyncClient</a>(<strong class="jxr_keyword">final</strong> HttpAsyncClient client, <strong class="jxr_keyword">final</strong> CacheConfig config) {
-<a class="jxr_linenumber" name="154" href="#154">154</a> <strong class="jxr_keyword">this</strong>(client,
-<a class="jxr_linenumber" name="155" href="#155">155</a> <strong class="jxr_keyword">new</strong> BasicHttpCache(config),
-<a class="jxr_linenumber" name="156" href="#156">156</a> config);
-<a class="jxr_linenumber" name="157" href="#157">157</a> }
-<a class="jxr_linenumber" name="158" href="#158">158</a>
-<a class="jxr_linenumber" name="159" href="#159">159</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachingHttpAsyncClient.html">CachingHttpAsyncClient</a>(
-<a class="jxr_linenumber" name="160" href="#160">160</a> <strong class="jxr_keyword">final</strong> HttpAsyncClient client,
-<a class="jxr_linenumber" name="161" href="#161">161</a> <strong class="jxr_keyword">final</strong> ResourceFactory resourceFactory,
-<a class="jxr_linenumber" name="162" href="#162">162</a> <strong class="jxr_keyword">final</strong> HttpCacheStorage storage,
-<a class="jxr_linenumber" name="163" href="#163">163</a> <strong class="jxr_keyword">final</strong> CacheConfig config) {
-<a class="jxr_linenumber" name="164" href="#164">164</a> <strong class="jxr_keyword">this</strong>(client,
-<a class="jxr_linenumber" name="165" href="#165">165</a> <strong class="jxr_keyword">new</strong> BasicHttpCache(resourceFactory, storage, config),
-<a class="jxr_linenumber" name="166" href="#166">166</a> config);
-<a class="jxr_linenumber" name="167" href="#167">167</a> }
-<a class="jxr_linenumber" name="168" href="#168">168</a>
-<a class="jxr_linenumber" name="169" href="#169">169</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/http/impl/client/cache/CachingHttpAsyncClient.html">CachingHttpAsyncClient</a>(
-<a class="jxr_linenumber" name="170" href="#170">170</a> <strong class="jxr_keyword">final</strong> HttpAsyncClient client,
-<a class="jxr_linenumber" name="171" href="#171">171</a> <strong class="jxr_keyword">final</strong> HttpCacheStorage storage,
-<a class="jxr_linenumber" name="172" href="#172">172</a> <strong class="jxr_keyword">final</strong> CacheConfig config) {
-<a class="jxr_linenumber" name="173" href="#173">173</a> <strong class="jxr_keyword">this</strong>(client,
-<a class="jxr_linenumber" name="174" href="#174">174</a> <strong class="jxr_keyword">new</strong> BasicHttpCache(<strong class="jxr_keyword">new</strong> HeapResourceFactory(), storage, config),
-<a class="jxr_linenumber" name="175" href="#175">175</a> config);
-<a class="jxr_linenumber" name="176" href="#176">176</a> }
-<a class="jxr_linenumber" name="177" href="#177">177</a>
-<a class="jxr_linenumber" name="178" href="#178">178</a> <a href="../../../../../../org/apache/http/impl/client/cache/CachingHttpAsyncClient.html">CachingHttpAsyncClient</a>(
-<a class="jxr_linenumber" name="179" href="#179">179</a> <strong class="jxr_keyword">final</strong> HttpAsyncClient backend,
-<a class="jxr_linenumber" name="180" href="#180">180</a> <strong class="jxr_keyword">final</strong> CacheValidityPolicy validityPolicy,
-<a class="jxr_linenumber" name="181" href="#181">181</a> <strong class="jxr_keyword">final</strong> ResponseCachingPolicy responseCachingPolicy,
-<a class="jxr_linenumber" name="182" href="#182">182</a> <strong class="jxr_keyword">final</strong> HttpCache responseCache,
-<a class="jxr_linenumber" name="183" href="#183">183</a> <strong class="jxr_keyword">final</strong> CachedHttpResponseGenerator responseGenerator,
-<a class="jxr_linenumber" name="184" href="#184">184</a> <strong class="jxr_keyword">final</strong> CacheableRequestPolicy cacheableRequestPolicy,
-<a class="jxr_linenumber" name="185" href="#185">185</a> <strong class="jxr_keyword">final</strong> CachedResponseSuitabilityChecker suitabilityChecker,
-<a class="jxr_linenumber" name="186" href="#186">186</a> <strong class="jxr_keyword">final</strong> ConditionalRequestBuilder conditionalRequestBuilder,
-<a class="jxr_linenumber" name="187" href="#187">187</a> <strong class="jxr_keyword">final</strong> ResponseProtocolCompliance responseCompliance,
-<a class="jxr_linenumber" name="188" href="#188">188</a> <strong class="jxr_keyword">final</strong> RequestProtocolCompliance requestCompliance) {
-<a class="jxr_linenumber" name="189" href="#189">189</a> <strong class="jxr_keyword">final</strong> CacheConfig config = CacheConfig.DEFAULT;
-<a class="jxr_linenumber" name="190" href="#190">190</a> <strong class="jxr_keyword">this</strong>.maxObjectSizeBytes = config.getMaxObjectSize();
-<a class="jxr_linenumber" name="191" href="#191">191</a> <strong class="jxr_keyword">this</strong>.sharedCache = config.isSharedCache();
-<a class="jxr_linenumber" name="192" href="#192">192</a> <strong class="jxr_keyword">this</strong>.backend = backend;
-<a class="jxr_linenumber" name="193" href="#193">193</a> <strong class="jxr_keyword">this</strong>.validityPolicy = validityPolicy;
-<a class="jxr_linenumber" name="194" href="#194">194</a> <strong class="jxr_keyword">this</strong>.responseCachingPolicy = responseCachingPolicy;
-<a class="jxr_linenumber" name="195" href="#195">195</a> <strong class="jxr_keyword">this</strong>.responseCache = responseCache;
-<a class="jxr_linenumber" name="196" href="#196">196</a> <strong class="jxr_keyword">this</strong>.responseGenerator = responseGenerator;
-<a class="jxr_linenumber" name="197" href="#197">197</a> <strong class="jxr_keyword">this</strong>.cacheableRequestPolicy = cacheableRequestPolicy;
-<a class="jxr_linenumber" name="198" href="#198">198</a> <strong class="jxr_keyword">this</strong>.suitabilityChecker = suitabilityChecker;
-<a class="jxr_linenumber" name="199" href="#199">199</a> <strong class="jxr_keyword">this</strong>.conditionalRequestBuilder = conditionalRequestBuilder;
-<a class="jxr_linenumber" name="200" href="#200">200</a> <strong class="jxr_keyword">this</strong>.responseCompliance = responseCompliance;
-<a class="jxr_linenumber" name="201" href="#201">201</a> <strong class="jxr_keyword">this</strong>.requestCompliance = requestCompliance;
-<a class="jxr_linenumber" name="202" href="#202">202</a> <strong class="jxr_keyword">this</strong>.asynchAsyncRevalidator = makeAsynchronousValidator(config);
-<a class="jxr_linenumber" name="203" href="#203">203</a> }
-<a class="jxr_linenumber" name="204" href="#204">204</a>
-<a class="jxr_linenumber" name="205" href="#205">205</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../../org/apache/http/impl/client/cache/AsynchronousAsyncValidator.html">AsynchronousAsyncValidator</a> makeAsynchronousValidator(
-<a class="jxr_linenumber" name="206" href="#206">206</a> <strong class="jxr_keyword">final</strong> CacheConfig config) {
-<a class="jxr_linenumber" name="207" href="#207">207</a> <strong class="jxr_keyword">if</strong> (config.getAsynchronousWorkersMax() > 0) {
-<a class="jxr_linenumber" name="208" href="#208">208</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/http/impl/client/cache/AsynchronousAsyncValidator.html">AsynchronousAsyncValidator</a>(<strong class="jxr_keyword">this</strong>, config);
-<a class="jxr_linenumber" name="209" href="#209">209</a> }
-<a class="jxr_linenumber" name="210" href="#210">210</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="211" href="#211">211</a> }
-<a class="jxr_linenumber" name="212" href="#212">212</a>
-<a class="jxr_linenumber" name="213" href="#213">213</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="214" href="#214">214</a> <em class="jxr_javadoccomment"> * Reports the number of times that the cache successfully responded</em>
-<a class="jxr_linenumber" name="215" href="#215">215</a> <em class="jxr_javadoccomment"> * to an {@link HttpRequest} without contacting the origin server.</em>
-<a class="jxr_linenumber" name="216" href="#216">216</a> <em class="jxr_javadoccomment"> * @return the number of cache hits</em>
-<a class="jxr_linenumber" name="217" href="#217">217</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="218" href="#218">218</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getCacheHits() {
-<a class="jxr_linenumber" name="219" href="#219">219</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>.cacheHits.get();
-<a class="jxr_linenumber" name="220" href="#220">220</a> }
-<a class="jxr_linenumber" name="221" href="#221">221</a>
-<a class="jxr_linenumber" name="222" href="#222">222</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="223" href="#223">223</a> <em class="jxr_javadoccomment"> * Reports the number of times that the cache contacted the origin</em>
-<a class="jxr_linenumber" name="224" href="#224">224</a> <em class="jxr_javadoccomment"> * server because it had no appropriate response cached.</em>
-<a class="jxr_linenumber" name="225" href="#225">225</a> <em class="jxr_javadoccomment"> * @return the number of cache misses</em>
-<a class="jxr_linenumber" name="226" href="#226">226</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="227" href="#227">227</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getCacheMisses() {
-<a class="jxr_linenumber" name="228" href="#228">228</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>.cacheMisses.get();
-<a class="jxr_linenumber" name="229" href="#229">229</a> }
-<a class="jxr_linenumber" name="230" href="#230">230</a>
-<a class="jxr_linenumber" name="231" href="#231">231</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="232" href="#232">232</a> <em class="jxr_javadoccomment"> * Reports the number of times that the cache was able to satisfy</em>
-<a class="jxr_linenumber" name="233" href="#233">233</a> <em class="jxr_javadoccomment"> * a response by revalidating an existing but stale cache entry.</em>
-<a class="jxr_linenumber" name="234" href="#234">234</a> <em class="jxr_javadoccomment"> * @return the number of cache revalidations</em>
-<a class="jxr_linenumber" name="235" href="#235">235</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="236" href="#236">236</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">long</strong> getCacheUpdates() {
-<a class="jxr_linenumber" name="237" href="#237">237</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>.cacheUpdates.get();
-<a class="jxr_linenumber" name="238" href="#238">238</a> }
-<a class="jxr_linenumber" name="239" href="#239">239</a>
-<a class="jxr_linenumber" name="240" href="#240">240</a> @Override
-<a class="jxr_linenumber" name="241" href="#241">241</a> <strong class="jxr_keyword">public</strong> Future<HttpResponse> execute(
-<a class="jxr_linenumber" name="242" href="#242">242</a> <strong class="jxr_keyword">final</strong> HttpHost target,
-<a class="jxr_linenumber" name="243" href="#243">243</a> <strong class="jxr_keyword">final</strong> HttpRequest request,
-<a class="jxr_linenumber" name="244" href="#244">244</a> <strong class="jxr_keyword">final</strong> FutureCallback<HttpResponse> callback) {
-<a class="jxr_linenumber" name="245" href="#245">245</a> <strong class="jxr_keyword">return</strong> execute(target, request, <strong class="jxr_keyword">null</strong>, callback);
-<a class="jxr_linenumber" name="246" href="#246">246</a> }
-<a class="jxr_linenumber" name="247" href="#247">247</a>
-<a class="jxr_linenumber" name="248" href="#248">248</a> @Override
-<a class="jxr_linenumber" name="249" href="#249">249</a> <strong class="jxr_keyword">public</strong> <T> Future<T> execute(
-<a class="jxr_linenumber" name="250" href="#250">250</a> <strong class="jxr_keyword">final</strong> HttpAsyncRequestProducer requestProducer,
-<a class="jxr_linenumber" name="251" href="#251">251</a> <strong class="jxr_keyword">final</strong> HttpAsyncResponseConsumer<T> responseConsumer,
-<a class="jxr_linenumber" name="252" href="#252">252</a> <strong class="jxr_keyword">final</strong> FutureCallback<T> callback) {
-<a class="jxr_linenumber" name="253" href="#253">253</a> <strong class="jxr_keyword">return</strong> execute(requestProducer, responseConsumer, <strong class="jxr_keyword">null</strong>, callback);
-<a class="jxr_linenumber" name="254" href="#254">254</a> }
-<a class="jxr_linenumber" name="255" href="#255">255</a>
-<a class="jxr_linenumber" name="256" href="#256">256</a> @Override
-<a class="jxr_linenumber" name="257" href="#257">257</a> <strong class="jxr_keyword">public</strong> <T> Future<T> execute(
-<a class="jxr_linenumber" name="258" href="#258">258</a> <strong class="jxr_keyword">final</strong> HttpAsyncRequestProducer requestProducer,
-<a class="jxr_linenumber" name="259" href="#259">259</a> <strong class="jxr_keyword">final</strong> HttpAsyncResponseConsumer<T> responseConsumer,
-<a class="jxr_linenumber" name="260" href="#260">260</a> <strong class="jxr_keyword">final</strong> HttpContext context,
-<a class="jxr_linenumber" name="261" href="#261">261</a> <strong class="jxr_keyword">final</strong> FutureCallback<T> callback) {
-<a class="jxr_linenumber" name="262" href="#262">262</a> <strong class="jxr_keyword">this</strong>.log.warn(<span class="jxr_string">"CachingHttpAsyncClient does not support caching for streaming HTTP exchanges"</span>);
-<a class="jxr_linenumber" name="263" href="#263">263</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>.backend.execute(requestProducer, responseConsumer, context, callback);
-<a class="jxr_linenumber" name="264" href="#264">264</a> }
-<a class="jxr_linenumber" name="265" href="#265">265</a>
-<a class="jxr_linenumber" name="266" href="#266">266</a> @Override
-<a class="jxr_linenumber" name="267" href="#267">267</a> <strong class="jxr_keyword">public</strong> Future<HttpResponse> execute(
-<a class="jxr_linenumber" name="268" href="#268">268</a> <strong class="jxr_keyword">final</strong> HttpUriRequest request,
-<a class="jxr_linenumber" name="269" href="#269">269</a> <strong class="jxr_keyword">final</strong> FutureCallback<HttpResponse> callback) {
-<a class="jxr_linenumber" name="270" href="#270">270</a> <strong class="jxr_keyword">return</strong> execute(request, <strong class="jxr_keyword">null</strong>, callback);
-<a class="jxr_linenumber" name="271" href="#271">271</a> }
-<a class="jxr_linenumber" name="272" href="#272">272</a>
-<a class="jxr_linenumber" name="273" href="#273">273</a> @Override
-<a class="jxr_linenumber" name="274" href="#274">274</a> <strong class="jxr_keyword">public</strong> Future<HttpResponse> execute(
-<a class="jxr_linenumber" name="275" href="#275">275</a> <strong class="jxr_keyword">final</strong> HttpUriRequest request,
-<a class="jxr_linenumber" name="276" href="#276">276</a> <strong class="jxr_keyword">final</strong> HttpContext context,
-<a class="jxr_linenumber" name="277" href="#277">277</a> <strong class="jxr_keyword">final</strong> FutureCallback<HttpResponse> callback) {
-<a class="jxr_linenumber" name="278" href="#278">278</a> <strong class="jxr_keyword">final</strong> URI uri = request.getURI();
-<a class="jxr_linenumber" name="279" href="#279">279</a> <strong class="jxr_keyword">final</strong> HttpHost httpHost = <strong class="jxr_keyword">new</strong> HttpHost(uri.getHost(), uri.getPort(), uri.getScheme());
-<a class="jxr_linenumber" name="280" href="#280">280</a> <strong class="jxr_keyword">return</strong> execute(httpHost, request, context, callback);
-<a class="jxr_linenumber" name="281" href="#281">281</a> }
-<a class="jxr_linenumber" name="282" href="#282">282</a>
-<a class="jxr_linenumber" name="283" href="#283">283</a> @Override
-<a class="jxr_linenumber" name="284" href="#284">284</a> <strong class="jxr_keyword">public</strong> Future<HttpResponse> execute(
-<a class="jxr_linenumber" name="285" href="#285">285</a> <strong class="jxr_keyword">final</strong> HttpHost target,
-<a class="jxr_linenumber" name="286" href="#286">286</a> <strong class="jxr_keyword">final</strong> HttpRequest originalRequest,
-<a class="jxr_linenumber" name="287" href="#287">287</a> <strong class="jxr_keyword">final</strong> HttpContext context,
-<a class="jxr_linenumber" name="288" href="#288">288</a> <strong class="jxr_keyword">final</strong> FutureCallback<HttpResponse> futureCallback) {
-<a class="jxr_linenumber" name="289" href="#289">289</a> <strong class="jxr_keyword">final</strong> BasicFuture<HttpResponse> future = <strong class="jxr_keyword">new</strong> BasicFuture<HttpResponse>(futureCallback);
-<a class="jxr_linenumber" name="290" href="#290">290</a> <strong class="jxr_keyword">final</strong> HttpRequestWrapper request = HttpRequestWrapper.wrap(originalRequest);
-<a class="jxr_linenumber" name="291" href="#291">291</a> <strong class="jxr_keyword">final</strong> HttpCacheContext clientContext = HttpCacheContext.adapt(context);
-<a class="jxr_linenumber" name="292" href="#292">292</a> <em class="jxr_comment">// default response context</em>
-<a class="jxr_linenumber" name="293" href="#293">293</a> setResponseStatus(clientContext, CacheResponseStatus.CACHE_MISS);
-<a class="jxr_linenumber" name="294" href="#294">294</a>
-<a class="jxr_linenumber" name="295" href="#295">295</a> <strong class="jxr_keyword">final</strong> String via = generateViaHeader(request);
-<a class="jxr_linenumber" name="296" href="#296">296</a>
-<a class="jxr_linenumber" name="297" href="#297">297</a> <strong class="jxr_keyword">if</strong> (clientRequestsOurOptions(request)) {
-<a class="jxr_linenumber" name="298" href="#298">298</a> setResponseStatus(clientContext, CacheResponseStatus.CACHE_MODULE_RESPONSE);
-<a class="jxr_linenumber" name="299" href="#299">299</a> future.completed(<strong class="jxr_keyword">new</strong> OptionsHttp11Response());
-<a class="jxr_linenumber" name="300" href="#300">300</a> <strong class="jxr_keyword">return</strong> future;
-<a class="jxr_linenumber" name="301" href="#301">301</a> }
-<a class="jxr_linenumber" name="302" href="#302">302</a>
-<a class="jxr_linenumber" name="303" href="#303">303</a> <strong class="jxr_keyword">final</strong> HttpResponse fatalErrorResponse = getFatallyNoncompliantResponse(
-<a class="jxr_linenumber" name="304" href="#304">304</a> request, clientContext);
-<a class="jxr_linenumber" name="305" href="#305">305</a> <strong class="jxr_keyword">if</strong> (fatalErrorResponse != <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="306" href="#306">306</a> future.completed(fatalErrorResponse);
-<a class="jxr_linenumber" name="307" href="#307">307</a> <strong class="jxr_keyword">return</strong> future;
-<a class="jxr_linenumber" name="308" href="#308">308</a> }
-<a class="jxr_linenumber" name="309" href="#309">309</a>
-<a class="jxr_linenumber" name="310" href="#310">310</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="311" href="#311">311</a> <strong class="jxr_keyword">this</strong>.requestCompliance.makeRequestCompliant(request);
-<a class="jxr_linenumber" name="312" href="#312">312</a> } <strong class="jxr_keyword">catch</strong> (<strong class="jxr_keyword">final</strong> ClientProtocolException e) {
-<a class="jxr_linenumber" name="313" href="#313">313</a> future.failed(e);
-<a class="jxr_linenumber" name="314" href="#314">314</a> <strong class="jxr_keyword">return</strong> future;
-<a class="jxr_linenumber" name="315" href="#315">315</a> }
-<a class="jxr_linenumber" name="316" href="#316">316</a> request.addHeader(HeaderConstants.VIA,via);
-<a class="jxr_linenumber" name="317" href="#317">317</a>
-<a class="jxr_linenumber" name="318" href="#318">318</a> flushEntriesInvalidatedByRequest(target, request);
-<a class="jxr_linenumber" name="319" href="#319">319</a>
-<a class="jxr_linenumber" name="320" href="#320">320</a> <strong class="jxr_keyword">if</strong> (!<strong class="jxr_keyword">this</strong>.cacheableRequestPolicy.isServableFromCache(request)) {
-<a class="jxr_linenumber" name="321" href="#321">321</a> log.debug(<span class="jxr_string">"Request is not servable from cache"</span>);
-<a class="jxr_linenumber" name="322" href="#322">322</a> callBackend(future, target, request, clientContext);
-<a class="jxr_linenumber" name="323" href="#323">323</a> <strong class="jxr_keyword">return</strong> future;
-<a class="jxr_linenumber" name="324" href="#324">324</a> }
-<a class="jxr_linenumber" name="325" href="#325">325</a>
-<a class="jxr_linenumber" name="326" href="#326">326</a> <strong class="jxr_keyword">final</strong> HttpCacheEntry entry = satisfyFromCache(target, request);
-<a class="jxr_linenumber" name="327" href="#327">327</a> <strong class="jxr_keyword">if</strong> (entry == <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="328" href="#328">328</a> log.debug(<span class="jxr_string">"Cache miss"</span>);
-<a class="jxr_linenumber" name="329" href="#329">329</a> handleCacheMiss(future, target, request, clientContext);
-<a class="jxr_linenumber" name="330" href="#330">330</a> } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="331" href="#331">331</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="332" href="#332">332</a> handleCacheHit(future, target, request, clientContext, entry);
-<a class="jxr_linenumber" name="333" href="#333">333</a> } <strong class="jxr_keyword">catch</strong> (<strong class="jxr_keyword">final</strong> IOException e) {
-<a class="jxr_linenumber" name="334" href="#334">334</a> future.failed(e);
-<a class="jxr_linenumber" name="335" href="#335">335</a> }
-<a class="jxr_linenumber" name="336" href="#336">336</a> }
-<a class="jxr_linenumber" name="337" href="#337">337</a> <strong class="jxr_keyword">return</strong> future;
-<a class="jxr_linenumber" name="338" href="#338">338</a> }
-<a class="jxr_linenumber" name="339" href="#339">339</a>
-<a class="jxr_linenumber" name="340" href="#340">340</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> handleCacheHit(
-<a class="jxr_linenumber" name="341" href="#341">341</a> <strong class="jxr_keyword">final</strong> BasicFuture<HttpResponse> future,
-<a class="jxr_linenumber" name="342" href="#342">342</a> <strong class="jxr_keyword">final</strong> HttpHost target,
-<a class="jxr_linenumber" name="343" href="#343">343</a> <strong class="jxr_keyword">final</strong> HttpRequestWrapper request,
-<a class="jxr_linenumber" name="344" href="#344">344</a> <strong class="jxr_keyword">final</strong> HttpCacheContext clientContext,
-<a class="jxr_linenumber" name="345" href="#345">345</a> <strong class="jxr_keyword">final</strong> HttpCacheEntry entry) <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="346" href="#346">346</a> recordCacheHit(target, request);
-<a class="jxr_linenumber" name="347" href="#347">347</a> <strong class="jxr_keyword">final</strong> HttpResponse out;
-<a class="jxr_linenumber" name="348" href="#348">348</a> <strong class="jxr_keyword">final</strong> Date now = getCurrentDate();
-<a class="jxr_linenumber" name="349" href="#349">349</a> <strong class="jxr_keyword">if</strong> (<strong class="jxr_keyword">this</strong>.suitabilityChecker.canCachedResponseBeUsed(target, request, entry, now)) {
-<a class="jxr_linenumber" name="350" href="#350">350</a> log.debug(<span class="jxr_string">"Cache hit"</span>);
-<a class="jxr_linenumber" name="351" href="#351">351</a> out = generateCachedResponse(request, clientContext, entry, now);
-<a class="jxr_linenumber" name="352" href="#352">352</a> } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (!mayCallBackend(request)) {
-<a class="jxr_linenumber" name="353" href="#353">353</a> log.debug(<span class="jxr_string">"Cache entry not suitable but only-if-cached requested"</span>);
-<a class="jxr_linenumber" name="354" href="#354">354</a> out = generateGatewayTimeout(clientContext);
-<a class="jxr_linenumber" name="355" href="#355">355</a> } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (validityPolicy.isRevalidatable(entry)
-<a class="jxr_linenumber" name="356" href="#356">356</a> && !(entry.getStatusCode() == HttpStatus.SC_NOT_MODIFIED
-<a class="jxr_linenumber" name="357" href="#357">357</a> && !suitabilityChecker.isConditional(request))) {
-<a class="jxr_linenumber" name="358" href="#358">358</a> log.debug(<span class="jxr_string">"Revalidating cache entry"</span>);
-<a class="jxr_linenumber" name="359" href="#359">359</a> revalidateCacheEntry(future, target, request, clientContext, entry, now);
-<a class="jxr_linenumber" name="360" href="#360">360</a> <strong class="jxr_keyword">return</strong>;
-<a class="jxr_linenumber" name="361" href="#361">361</a> } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="362" href="#362">362</a> log.debug(<span class="jxr_string">"Cache entry not usable; calling backend"</span>);
-<a class="jxr_linenumber" name="363" href="#363">363</a> callBackend(future, target, request, clientContext);
-<a class="jxr_linenumber" name="364" href="#364">364</a> <strong class="jxr_keyword">return</strong>;
-<a class="jxr_linenumber" name="365" href="#365">365</a> }
-<a class="jxr_linenumber" name="366" href="#366">366</a> clientContext.setAttribute(HttpClientContext.HTTP_ROUTE, <strong class="jxr_keyword">new</strong> HttpRoute(target));
-<a class="jxr_linenumber" name="367" href="#367">367</a> clientContext.setAttribute(HttpClientContext.HTTP_TARGET_HOST, target);
-<a class="jxr_linenumber" name="368" href="#368">368</a> clientContext.setAttribute(HttpClientContext.HTTP_REQUEST, request);
-<a class="jxr_linenumber" name="369" href="#369">369</a> clientContext.setAttribute(HttpClientContext.HTTP_RESPONSE, out);
-<a class="jxr_linenumber" name="370" href="#370">370</a> clientContext.setAttribute(HttpClientContext.HTTP_REQ_SENT, Boolean.TRUE);
-<a class="jxr_linenumber" name="371" href="#371">371</a> future.completed(out);
-<a class="jxr_linenumber" name="372" href="#372">372</a> }
-<a class="jxr_linenumber" name="373" href="#373">373</a>
-<a class="jxr_linenumber" name="374" href="#374">374</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> revalidateCacheEntry(
-<a class="jxr_linenumber" name="375" href="#375">375</a> <strong class="jxr_keyword">final</strong> BasicFuture<HttpResponse> future,
-<a class="jxr_linenumber" name="376" href="#376">376</a> <strong class="jxr_keyword">final</strong> HttpHost target,
-<a class="jxr_linenumber" name="377" href="#377">377</a> <strong class="jxr_keyword">final</strong> HttpRequestWrapper request,
-<a class="jxr_linenumber" name="378" href="#378">378</a> <strong class="jxr_keyword">final</strong> HttpCacheContext clientContext,
-<a class="jxr_linenumber" name="379" href="#379">379</a> <strong class="jxr_keyword">final</strong> HttpCacheEntry entry,
-<a class="jxr_linenumber" name="380" href="#380">380</a> <strong class="jxr_keyword">final</strong> Date now) <strong class="jxr_keyword">throws</strong> ClientProtocolException {
-<a class="jxr_linenumber" name="381" href="#381">381</a>
-<a class="jxr_linenumber" name="382" href="#382">382</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="383" href="#383">383</a> <strong class="jxr_keyword">if</strong> (<strong class="jxr_keyword">this</strong>.asynchAsyncRevalidator != <strong class="jxr_keyword">null</strong>
-<a class="jxr_linenumber" name="384" href="#384">384</a> && !staleResponseNotAllowed(request, entry, now)
-<a class="jxr_linenumber" name="385" href="#385">385</a> && <strong class="jxr_keyword">this</strong>.validityPolicy.mayReturnStaleWhileRevalidating(entry, now)) {
-<a class="jxr_linenumber" name="386" href="#386">386</a> <strong class="jxr_keyword">this</strong>.log.debug(<span class="jxr_string">"Serving stale with asynchronous revalidation"</span>);
-<a class="jxr_linenumber" name="387" href="#387">387</a> <strong class="jxr_keyword">final</strong> HttpResponse resp = <strong class="jxr_keyword">this</strong>.responseGenerator.generateResponse(request, entry);
-<a class="jxr_linenumber" name="388" href="#388">388</a> resp.addHeader(HeaderConstants.WARNING, <span class="jxr_string">"110 localhost \"Response is stale\""</span>);
-<a class="jxr_linenumber" name="389" href="#389">389</a>
-<a class="jxr_linenumber" name="390" href="#390">390</a> <strong class="jxr_keyword">this</strong>.asynchAsyncRevalidator.revalidateCacheEntry(target, request, clientContext, entry);
-<a class="jxr_linenumber" name="391" href="#391">391</a>
-<a class="jxr_linenumber" name="392" href="#392">392</a> future.completed(resp);
-<a class="jxr_linenumber" name="393" href="#393">393</a> <strong class="jxr_keyword">return</strong>;
-<a class="jxr_linenumber" name="394" href="#394">394</a> }
-<a class="jxr_linenumber" name="395" href="#395">395</a>
-<a class="jxr_linenumber" name="396" href="#396">396</a> <strong class="jxr_keyword">final</strong> ChainedFutureCallback<HttpResponse> chainedFutureCallback = <strong class="jxr_keyword">new</strong> ChainedFutureCallback<HttpResponse>(future) {
-<a class="jxr_linenumber" name="397" href="#397">397</a>
-<a class="jxr_linenumber" name="398" href="#398">398</a> @Override
-<a class="jxr_linenumber" name="399" href="#399">399</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> failed(<strong class="jxr_keyword">final</strong> Exception ex) {
-<a class="jxr_linenumber" name="400" href="#400">400</a> <strong class="jxr_keyword">if</strong>(ex instanceof IOException) {
-<a class="jxr_linenumber" name="401" href="#401">401</a> <strong class="jxr_keyword">super</strong>.completed(handleRevalidationFailure(request, clientContext, entry, now));
-<a class="jxr_linenumber" name="402" href="#402">402</a> } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="403" href="#403">403</a> <strong class="jxr_keyword">super</strong>.failed(ex);
-<a class="jxr_linenumber" name="404" href="#404">404</a> }
-<a class="jxr_linenumber" name="405" href="#405">405</a> }
-<a class="jxr_linenumber" name="406" href="#406">406</a>
-<a class="jxr_linenumber" name="407" href="#407">407</a> };
-<a class="jxr_linenumber" name="408" href="#408">408</a>
-<a class="jxr_linenumber" name="409" href="#409">409</a> <strong class="jxr_keyword">final</strong> BasicFuture<HttpResponse> compositeFuture = <strong class="jxr_keyword">new</strong> BasicFuture<HttpResponse>(chainedFutureCallback);
-<a class="jxr_linenumber" name="410" href="#410">410</a> revalidateCacheEntry(compositeFuture, target, request, clientContext, entry);
-<a class="jxr_linenumber" name="411" href="#411">411</a> } <strong class="jxr_keyword">catch</strong> (<strong class="jxr_keyword">final</strong> ProtocolException e) {
-<a class="jxr_linenumber" name="412" href="#412">412</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> ClientProtocolException(e);
-<a class="jxr_linenumber" name="413" href="#413">413</a> }
-<a class="jxr_linenumber" name="414" href="#414">414</a> }
-<a class="jxr_linenumber" name="415" href="#415">415</a>
-<a class="jxr_linenumber" name="416" href="#416">416</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> handleCacheMiss(
-<a class="jxr_linenumber" name="417" href="#417">417</a> <strong class="jxr_keyword">final</strong> BasicFuture<HttpResponse> future,
-<a class="jxr_linenumber" name="418" href="#418">418</a> <strong class="jxr_keyword">final</strong> HttpHost target,
-<a class="jxr_linenumber" name="419" href="#419">419</a> <strong class="jxr_keyword">final</strong> HttpRequestWrapper request,
-<a class="jxr_linenumber" name="420" href="#420">420</a> <strong class="jxr_keyword">final</strong> HttpCacheContext clientContext) {
-<a class="jxr_linenumber" name="421" href="#421">421</a> recordCacheMiss(target, request);
-<a class="jxr_linenumber" name="422" href="#422">422</a>
-<a class="jxr_linenumber" name="423" href="#423">423</a> <strong class="jxr_keyword">if</strong> (!mayCallBackend(request)) {
-<a class="jxr_linenumber" name="424" href="#424">424</a> future.completed(<strong class="jxr_keyword">new</strong> BasicHttpResponse(HttpVersion.HTTP_1_1, HttpStatus.SC_GATEWAY_TIMEOUT, <span class="jxr_string">"Gateway Timeout"</span>));
-<a class="jxr_linenumber" name="425" href="#425">425</a> <strong class="jxr_keyword">return</strong>;
-<a class="jxr_linenumber" name="426" href="#426">426</a> }
-<a class="jxr_linenumber" name="427" href="#427">427</a>
-<a class="jxr_linenumber" name="428" href="#428">428</a> <strong class="jxr_keyword">final</strong> Map<String, Variant> variants = getExistingCacheVariants(target, request);
-<a class="jxr_linenumber" name="429" href="#429">429</a> <strong class="jxr_keyword">if</strong> (variants != <strong class="jxr_keyword">null</strong> && variants.size() > 0) {
-<a class="jxr_linenumber" name="430" href="#430">430</a> negotiateResponseFromVariants(future, target, request, clientContext, variants);
-<a class="jxr_linenumber" name="431" href="#431">431</a> <strong class="jxr_keyword">return</strong>;
-<a class="jxr_linenumber" name="432" href="#432">432</a> }
-<a class="jxr_linenumber" name="433" href="#433">433</a>
-<a class="jxr_linenumber" name="434" href="#434">434</a> callBackend(future, target, request, clientContext);
-<a class="jxr_linenumber" name="435" href="#435">435</a> }
-<a class="jxr_linenumber" name="436" href="#436">436</a>
-<a class="jxr_linenumber" name="437" href="#437">437</a> <strong class="jxr_keyword">private</strong> HttpCacheEntry satisfyFromCache(
-<a class="jxr_linenumber" name="438" href="#438">438</a> <strong class="jxr_keyword">final</strong> HttpHost target,
-<a class="jxr_linenumber" name="439" href="#439">439</a> <strong class="jxr_keyword">final</strong> HttpRequest request) {
-<a class="jxr_linenumber" name="440" href="#440">440</a> HttpCacheEntry entry = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="441" href="#441">441</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="442" href="#442">442</a> entry = <strong class="jxr_keyword">this</strong>.responseCache.getCacheEntry(target, request);
-<a class="jxr_linenumber" name="443" href="#443">443</a> } <strong class="jxr_keyword">catch</strong> (<strong class="jxr_keyword">final</strong> IOException ioe) {
-<a class="jxr_linenumber" name="444" href="#444">444</a> <strong class="jxr_keyword">this</strong>.log.warn(<span class="jxr_string">"Unable to retrieve entries from cache"</span>, ioe);
-<a class="jxr_linenumber" name="445" href="#445">445</a> }
-<a class="jxr_linenumber" name="446" href="#446">446</a> <strong class="jxr_keyword">return</strong> entry;
-<a class="jxr_linenumber" name="447" href="#447">447</a> }
-<a class="jxr_linenumber" name="448" href="#448">448</a>
-<a class="jxr_linenumber" name="449" href="#449">449</a> <strong class="jxr_keyword">private</strong> HttpResponse getFatallyNoncompliantResponse(
-<a class="jxr_linenumber" name="450" href="#450">450</a> <strong class="jxr_keyword">final</strong> HttpRequest request,
-<a class="jxr_linenumber" name="451" href="#451">451</a> <strong class="jxr_keyword">final</strong> HttpCacheContext clientContext) {
-<a class="jxr_linenumber" name="452" href="#452">452</a> HttpResponse fatalErrorResponse = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="453" href="#453">453</a> <strong class="jxr_keyword">final</strong> List<RequestProtocolError> fatalError = <strong class="jxr_keyword">this</strong>.requestCompliance.requestIsFatallyNonCompliant(request);
-<a class="jxr_linenumber" name="454" href="#454">454</a>
-<a class="jxr_linenumber" name="455" href="#455">455</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">final</strong> RequestProtocolError error : fatalError) {
-<a class="jxr_linenumber" name="456" href="#456">456</a> setResponseStatus(clientContext, CacheResponseStatus.CACHE_MODULE_RESPONSE);
-<a class="jxr_linenumber" name="457" href="#457">457</a> fatalErrorResponse = <strong class="jxr_keyword">this</strong>.requestCompliance.getErrorForRequest(error);
-<a class="jxr_linenumber" name="458" href="#458">458</a> }
-<a class="jxr_linenumber" name="459" href="#459">459</a> <strong class="jxr_keyword">return</strong> fatalErrorResponse;
-<a class="jxr_linenumber" name="460" href="#460">460</a> }
-<a class="jxr_linenumber" name="461" href="#461">461</a>
-<a class="jxr_linenumber" name="462" href="#462">462</a> <strong class="jxr_keyword">private</strong> Map<String, Variant> getExistingCacheVariants(
-<a class="jxr_linenumber" name="463" href="#463">463</a> <strong class="jxr_keyword">final</strong> HttpHost target,
-<a class="jxr_linenumber" name="464" href="#464">464</a> <strong class="jxr_keyword">final</strong> HttpRequest request) {
-<a class="jxr_linenumber" name="465" href="#465">465</a> Map<String,Variant> variants = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="466" href="#466">466</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="467" href="#467">467</a> variants = <strong class="jxr_keyword">this</strong>.responseCache.getVariantCacheEntriesWithEtags(target, request);
-<a class="jxr_linenumber" name="468" href="#468">468</a> } <strong class="jxr_keyword">catch</strong> (<strong class="jxr_keyword">final</strong> IOException ioe) {
-<a class="jxr_linenumber" name="469" href="#469">469</a> <strong class="jxr_keyword">this</strong>.log.warn(<span class="jxr_string">"Unable to retrieve variant entries from cache"</span>, ioe);
-<a class="jxr_linenumber" name="470" href="#470">470</a> }
-<a class="jxr_linenumber" name="471" href="#471">471</a> <strong class="jxr_keyword">return</strong> variants;
-<a class="jxr_linenumber" name="472" href="#472">472</a> }
-<a class="jxr_linenumber" name="473" href="#473">473</a>
-<a class="jxr_linenumber" name="474" href="#474">474</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> recordCacheMiss(<strong class="jxr_keyword">final</strong> HttpHost target, <strong class="jxr_keyword">final</strong> HttpRequest request) {
-<a class="jxr_linenumber" name="475" href="#475">475</a> <strong class="jxr_keyword">this</strong>.cacheMisses.getAndIncrement();
-<a class="jxr_linenumber" name="476" href="#476">476</a> <strong class="jxr_keyword">if</strong> (<strong class="jxr_keyword">this</strong>.log.isDebugEnabled()) {
-<a class="jxr_linenumber" name="477" href="#477">477</a> <strong class="jxr_keyword">final</strong> RequestLine rl = request.getRequestLine();
-<a class="jxr_linenumber" name="478" href="#478">478</a> <strong class="jxr_keyword">this</strong>.log.debug(<span class="jxr_string">"Cache miss [host: "</span> + target + <span class="jxr_string">"; uri: "</span> + rl.getUri() + <span class="jxr_string">"]"</span>);
-<a class="jxr_linenumber" name="479" href="#479">479</a> }
-<a class="jxr_linenumber" name="480" href="#480">480</a> }
-<a class="jxr_linenumber" name="481" href="#481">481</a>
-<a class="jxr_linenumber" name="482" href="#482">482</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> recordCacheHit(<strong class="jxr_keyword">final</strong> HttpHost target, <strong class="jxr_keyword">final</strong> HttpRequest request) {
-<a class="jxr_linenumber" name="483" href="#483">483</a> <strong class="jxr_keyword">this</strong>.cacheHits.getAndIncrement();
-<a class="jxr_linenumber" name="484" href="#484">484</a> <strong class="jxr_keyword">if</strong> (<strong class="jxr_keyword">this</strong>.log.isDebugEnabled()) {
-<a class="jxr_linenumber" name="485" href="#485">485</a> <strong class="jxr_keyword">final</strong> RequestLine rl = request.getRequestLine();
-<a class="jxr_linenumber" name="486" href="#486">486</a> <strong class="jxr_keyword">this</strong>.log.debug(<span class="jxr_string">"Cache hit [host: "</span> + target + <span class="jxr_string">"; uri: "</span> + rl.getUri() + <span class="jxr_string">"]"</span>);
-<a class="jxr_linenumber" name="487" href="#487">487</a> }
-<a class="jxr_linenumber" name="488" href="#488">488</a> }
-<a class="jxr_linenumber" name="489" href="#489">489</a>
-<a class="jxr_linenumber" name="490" href="#490">490</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> recordCacheUpdate(<strong class="jxr_keyword">final</strong> HttpCacheContext clientContext) {
-<a class="jxr_linenumber" name="491" href="#491">491</a> <strong class="jxr_keyword">this</strong>.cacheUpdates.getAndIncrement();
-<a class="jxr_linenumber" name="492" href="#492">492</a> setResponseStatus(clientContext, CacheResponseStatus.VALIDATED);
-<a class="jxr_linenumber" name="493" href="#493">493</a> }
-<a class="jxr_linenumber" name="494" href="#494">494</a>
-<a class="jxr_linenumber" name="495" href="#495">495</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> flushEntriesInvalidatedByRequest(<strong class="jxr_keyword">final</strong> HttpHost target,
-<a class="jxr_linenumber" name="496" href="#496">496</a> <strong class="jxr_keyword">final</strong> HttpRequest request) {
-<a class="jxr_linenumber" name="497" href="#497">497</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="498" href="#498">498</a> <strong class="jxr_keyword">this</strong>.responseCache.flushInvalidatedCacheEntriesFor(target, request);
-<a class="jxr_linenumber" name="499" href="#499">499</a> } <strong class="jxr_keyword">catch</strong> (<strong class="jxr_keyword">final</strong> IOException ioe) {
-<a class="jxr_linenumber" name="500" href="#500">500</a> <strong class="jxr_keyword">this</strong>.log.warn(<span class="jxr_string">"Unable to flush invalidated entries from cache"</span>, ioe);
-<a class="jxr_linenumber" name="501" href="#501">501</a> }
-<a class="jxr_linenumber" name="502" href="#502">502</a> }
-<a class="jxr_linenumber" name="503" href="#503">503</a>
-<a class="jxr_linenumber" name="504" href="#504">504</a> <strong class="jxr_keyword">private</strong> HttpResponse generateCachedResponse(
-<a class="jxr_linenumber" name="505" href="#505">505</a> <strong class="jxr_keyword">final</strong> HttpRequestWrapper request,
-<a class="jxr_linenumber" name="506" href="#506">506</a> <strong class="jxr_keyword">final</strong> HttpCacheContext clientContext,
-<a class="jxr_linenumber" name="507" href="#507">507</a> <strong class="jxr_keyword">final</strong> HttpCacheEntry entry,
-<a class="jxr_linenumber" name="508" href="#508">508</a> <strong class="jxr_keyword">final</strong> Date now) {
-<a class="jxr_linenumber" name="509" href="#509">509</a> <strong class="jxr_keyword">final</strong> HttpResponse cachedResponse;
-<a class="jxr_linenumber" name="510" href="#510">510</a> <strong class="jxr_keyword">if</strong> (request.containsHeader(HeaderConstants.IF_NONE_MATCH)
-<a class="jxr_linenumber" name="511" href="#511">511</a> || request.containsHeader(HeaderConstants.IF_MODIFIED_SINCE)) {
-<a class="jxr_linenumber" name="512" href="#512">512</a> cachedResponse = <strong class="jxr_keyword">this</strong>.responseGenerator.generateNotModifiedResponse(entry);
-<a class="jxr_linenumber" name="513" href="#513">513</a> } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="514" href="#514">514</a> cachedResponse = <strong class="jxr_keyword">this</strong>.responseGenerator.generateResponse(request, entry);
-<a class="jxr_linenumber" name="515" href="#515">515</a> }
-<a class="jxr_linenumber" name="516" href="#516">516</a> setResponseStatus(clientContext, CacheResponseStatus.CACHE_HIT);
-<a class="jxr_linenumber" name="517" href="#517">517</a> <strong class="jxr_keyword">if</strong> (<strong class="jxr_keyword">this</strong>.validityPolicy.getStalenessSecs(entry, now) > 0L) {
-<a class="jxr_linenumber" name="518" href="#518">518</a> cachedResponse.addHeader(<span class="jxr_string">"Warning"</span>,<span class="jxr_string">"110 localhost \"Response is stale\""</span>);
-<a class="jxr_linenumber" name="519" href="#519">519</a> }
-<a class="jxr_linenumber" name="520" href="#520">520</a> <strong class="jxr_keyword">return</strong> cachedResponse;
-<a class="jxr_linenumber" name="521" href="#521">521</a> }
-<a class="jxr_linenumber" name="522" href="#522">522</a>
-<a class="jxr_linenumber" name="523" href="#523">523</a> <strong class="jxr_keyword">private</strong> HttpResponse handleRevalidationFailure(
-<a class="jxr_linenumber" name="524" href="#524">524</a> <strong class="jxr_keyword">final</strong> HttpRequestWrapper request,
-<a class="jxr_linenumber" name="525" href="#525">525</a> <strong class="jxr_keyword">final</strong> HttpCacheContext clientContext,
-<a class="jxr_linenumber" name="526" href="#526">526</a> <strong class="jxr_keyword">final</strong> HttpCacheEntry entry,
-<a class="jxr_linenumber" name="527" href="#527">527</a> <strong class="jxr_keyword">final</strong> Date now) {
-<a class="jxr_linenumber" name="528" href="#528">528</a> <strong class="jxr_keyword">if</strong> (staleResponseNotAllowed(request, entry, now)) {
-<a class="jxr_linenumber" name="529" href="#529">529</a> <strong class="jxr_keyword">return</strong> generateGatewayTimeout(clientContext);
-<a class="jxr_linenumber" name="530" href="#530">530</a> }
-<a class="jxr_linenumber" name="531" href="#531">531</a> <strong class="jxr_keyword">return</strong> unvalidatedCacheHit(clientContext, request, entry);
-<a class="jxr_linenumber" name="532" href="#532">532</a> }
-<a class="jxr_linenumber" name="533" href="#533">533</a>
-<a class="jxr_linenumber" name="534" href="#534">534</a> <strong class="jxr_keyword">private</strong> HttpResponse generateGatewayTimeout(<strong class="jxr_keyword">final</strong> HttpCacheContext clientContext) {
-<a class="jxr_linenumber" name="535" href="#535">535</a> setResponseStatus(clientContext, CacheResponseStatus.CACHE_MODULE_RESPONSE);
-<a class="jxr_linenumber" name="536" href="#536">536</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> BasicHttpResponse(HttpVersion.HTTP_1_1,
-<a class="jxr_linenumber" name="537" href="#537">537</a> HttpStatus.SC_GATEWAY_TIMEOUT, <span class="jxr_string">"Gateway Timeout"</span>);
-<a class="jxr_linenumber" name="538" href="#538">538</a> }
-<a class="jxr_linenumber" name="539" href="#539">539</a>
-<a class="jxr_linenumber" name="540" href="#540">540</a> <strong class="jxr_keyword">private</strong> HttpResponse unvalidatedCacheHit(
-<a class="jxr_linenumber" name="541" href="#541">541</a> <strong class="jxr_keyword">final</strong> HttpCacheContext clientContext,
-<a class="jxr_linenumber" name="542" href="#542">542</a> <strong class="jxr_keyword">final</strong> HttpRequestWrapper request,
-<a class="jxr_linenumber" name="543" href="#543">543</a> <strong class="jxr_keyword">final</strong> HttpCacheEntry entry) {
-<a class="jxr_linenumber" name="544" href="#544">544</a> <strong class="jxr_keyword">final</strong> HttpResponse cachedResponse = <strong class="jxr_keyword">this</strong>.responseGenerator.generateResponse(request, entry);
-<a class="jxr_linenumber" name="545" href="#545">545</a> setResponseStatus(clientContext, CacheResponseStatus.CACHE_HIT);
-<a class="jxr_linenumber" name="546" href="#546">546</a> cachedResponse.addHeader(HeaderConstants.WARNING, <span class="jxr_string">"111 localhost \"Revalidation failed\""</span>);
-<a class="jxr_linenumber" name="547" href="#547">547</a> <strong class="jxr_keyword">return</strong> cachedResponse;
-<a class="jxr_linenumber" name="548" href="#548">548</a> }
-<a class="jxr_linenumber" name="549" href="#549">549</a>
-<a class="jxr_linenumber" name="550" href="#550">550</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> staleResponseNotAllowed(
-<a class="jxr_linenumber" name="551" href="#551">551</a> <strong class="jxr_keyword">final</strong> HttpRequest request,
-<a class="jxr_linenumber" name="552" href="#552">552</a> <strong class="jxr_keyword">final</strong> HttpCacheEntry entry,
-<a class="jxr_linenumber" name="553" href="#553">553</a> <strong class="jxr_keyword">final</strong> Date now) {
-<a class="jxr_linenumber" name="554" href="#554">554</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>.validityPolicy.mustRevalidate(entry)
-<a class="jxr_linenumber" name="555" href="#555">555</a> || (isSharedCache() && <strong class="jxr_keyword">this</strong>.validityPolicy.proxyRevalidate(entry))
-<a class="jxr_linenumber" name="556" href="#556">556</a> || explicitFreshnessRequest(request, entry, now);
-<a class="jxr_linenumber" name="557" href="#557">557</a> }
-<a class="jxr_linenumber" name="558" href="#558">558</a>
-<a class="jxr_linenumber" name="559" href="#559">559</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> mayCallBackend(<strong class="jxr_keyword">final</strong> HttpRequest request) {
-<a class="jxr_linenumber" name="560" href="#560">560</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">final</strong> Header h: request.getHeaders(HeaderConstants.CACHE_CONTROL)) {
-<a class="jxr_linenumber" name="561" href="#561">561</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">final</strong> HeaderElement elt : h.getElements()) {
-<a class="jxr_linenumber" name="562" href="#562">562</a> <strong class="jxr_keyword">if</strong> (<span class="jxr_string">"only-if-cached"</span>.equals(elt.getName())) {
-<a class="jxr_linenumber" name="563" href="#563">563</a> <strong class="jxr_keyword">this</strong>.log.debug(<span class="jxr_string">"Request marked only-if-cached"</span>);
-<a class="jxr_linenumber" name="564" href="#564">564</a> <strong class="jxr_keyword">return</strong> false;
-<a class="jxr_linenumber" name="565" href="#565">565</a> }
-<a class="jxr_linenumber" name="566" href="#566">566</a> }
-<a class="jxr_linenumber" name="567" href="#567">567</a> }
-<a class="jxr_linenumber" name="568" href="#568">568</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="569" href="#569">569</a> }
-<a class="jxr_linenumber" name="570" href="#570">570</a>
-<a class="jxr_linenumber" name="571" href="#571">571</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> explicitFreshnessRequest(
-<a class="jxr_linenumber" name="572" href="#572">572</a> <strong class="jxr_keyword">final</strong> HttpRequest request,
-<a class="jxr_linenumber" name="573" href="#573">573</a> <strong class="jxr_keyword">final</strong> HttpCacheEntry entry,
-<a class="jxr_linenumber" name="574" href="#574">574</a> <strong class="jxr_keyword">final</strong> Date now) {
-<a class="jxr_linenumber" name="575" href="#575">575</a> <strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">final</strong> Header h : request.getHeaders(HeaderConstants.CACHE_CONTROL)) {
-<a class="jxr_linenumber" name="576" href="#576">576</a> <strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">final</strong> HeaderElement elt : h.getElements()) {
-<a class="jxr_linenumber" name="577" href="#577">577</a> <strong class="jxr_keyword">if</strong> (HeaderConstants.CACHE_CONTROL_MAX_STALE.equals(elt.getName())) {
-<a class="jxr_linenumber" name="578" href="#578">578</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="579" href="#579">579</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> maxstale = Integer.parseInt(elt.getValue());
-<a class="jxr_linenumber" name="580" href="#580">580</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> age = <strong class="jxr_keyword">this</strong>.validityPolicy.getCurrentAgeSecs(entry, now);
-<a class="jxr_linenumber" name="581" href="#581">581</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> lifetime = <strong class="jxr_keyword">this</strong>.validityPolicy.getFreshnessLifetimeSecs(entry);
-<a class="jxr_linenumber" name="582" href="#582">582</a> <strong class="jxr_keyword">if</strong> (age - lifetime > maxstale) {
-<a class="jxr_linenumber" name="583" href="#583">583</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="584" href="#584">584</a> }
-<a class="jxr_linenumber" name="585" href="#585">585</a> } <strong class="jxr_keyword">catch</strong> (<strong class="jxr_keyword">final</strong> NumberFormatException nfe) {
-<a class="jxr_linenumber" name="586" href="#586">586</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="587" href="#587">587</a> }
-<a class="jxr_linenumber" name="588" href="#588">588</a> } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (HeaderConstants.CACHE_CONTROL_MIN_FRESH.equals(elt.getName())
-<a class="jxr_linenumber" name="589" href="#589">589</a> || HeaderConstants.CACHE_CONTROL_MAX_AGE.equals(elt.getName())) {
-<a class="jxr_linenumber" name="590" href="#590">590</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="591" href="#591">591</a> }
-<a class="jxr_linenumber" name="592" href="#592">592</a> }
-<a class="jxr_linenumber" name="593" href="#593">593</a> }
-<a class="jxr_linenumber" name="594" href="#594">594</a> <strong class="jxr_keyword">return</strong> false;
-<a class="jxr_linenumber" name="595" href="#595">595</a> }
-<a class="jxr_linenumber" name="596" href="#596">596</a>
-<a class="jxr_linenumber" name="597" href="#597">597</a> <strong class="jxr_keyword">private</strong> String generateViaHeader(<strong class="jxr_keyword">final</strong> HttpMessage msg) {
-<a class="jxr_linenumber" name="598" href="#598">598</a>
-<a class="jxr_linenumber" name="599" href="#599">599</a> <strong class="jxr_keyword">final</strong> ProtocolVersion pv = msg.getProtocolVersion();
-<a class="jxr_linenumber" name="600" href="#600">600</a> <strong class="jxr_keyword">final</strong> String existingEntry = viaHeaders.get(pv);
-<a class="jxr_linenumber" name="601" href="#601">601</a> <strong class="jxr_keyword">if</strong> (existingEntry != <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="602" href="#602">602</a> <strong class="jxr_keyword">return</strong> existingEntry;
-<a class="jxr_linenumber" name="603" href="#603">603</a> }
-<a class="jxr_linenumber" name="604" href="#604">604</a>
-<a class="jxr_linenumber" name="605" href="#605">605</a> <strong class="jxr_keyword">final</strong> VersionInfo vi = VersionInfo.loadVersionInfo(<span class="jxr_string">"org.apache.http.client"</span>, getClass().getClassLoader());
-<a class="jxr_linenumber" name="606" href="#606">606</a> <strong class="jxr_keyword">final</strong> String release = (vi != <strong class="jxr_keyword">null</strong>) ? vi.getRelease() : VersionInfo.UNAVAILABLE;
-<a class="jxr_linenumber" name="607" href="#607">607</a>
-<a class="jxr_linenumber" name="608" href="#608">608</a> <strong class="jxr_keyword">final</strong> String value;
-<a class="jxr_linenumber" name="609" href="#609">609</a> <strong class="jxr_keyword">if</strong> (<span class="jxr_string">"http"</span>.equalsIgnoreCase(pv.getProtocol())) {
-<a class="jxr_linenumber" name="610" href="#610">610</a> value = String.format(<span class="jxr_string">"%d.%d localhost (Apache-HttpClient/%s (cache))"</span>, pv.getMajor(), pv.getMinor(),
-<a class="jxr_linenumber" name="611" href="#611">611</a> release);
-<a class="jxr_linenumber" name="612" href="#612">612</a> } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="613" href="#613">613</a> value = String.format(<span class="jxr_string">"%s/%d.%d localhost (Apache-HttpClient/%s (cache))"</span>, pv.getProtocol(), pv.getMajor(),
-<a class="jxr_linenumber" name="614" href="#614">614</a> pv.getMinor(), release);
-<a class="jxr_linenumber" name="615" href="#615">615</a> }
-<a class="jxr_linenumber" name="616" href="#616">616</a> viaHeaders.put(pv, value);
-<a class="jxr_linenumber" name="617" href="#617">617</a>
-<a class="jxr_linenumber" name="618" href="#618">618</a> <strong class="jxr_keyword">return</strong> value;
-<a class="jxr_linenumber" name="619" href="#619">619</a> }
-<a class="jxr_linenumber" name="620" href="#620">620</a>
-<a class="jxr_linenumber" name="621" href="#621">621</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> setResponseStatus(<strong class="jxr_keyword">final</strong> HttpCacheContext clientContext, <strong class="jxr_keyword">final</strong> CacheResponseStatus value) {
-<a class="jxr_linenumber" name="622" href="#622">622</a> <strong class="jxr_keyword">if</strong> (clientContext != <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="623" href="#623">623</a> clientContext.setAttribute(HttpCacheContext.CACHE_RESPONSE_STATUS, value);
-<a class="jxr_linenumber" name="624" href="#624">624</a> }
-<a class="jxr_linenumber" name="625" href="#625">625</a> }
-<a class="jxr_linenumber" name="626" href="#626">626</a>
-<a class="jxr_linenumber" name="627" href="#627">627</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="628" href="#628">628</a> <em class="jxr_javadoccomment"> * Reports whether this {@code CachingHttpClient} implementation</em>
-<a class="jxr_linenumber" name="629" href="#629">629</a> <em class="jxr_javadoccomment"> * supports byte-range requests as specified by the {@code Range}</em>
-<a class="jxr_linenumber" name="630" href="#630">630</a> <em class="jxr_javadoccomment"> * and {@code Content-Range} headers.</em>
-<a class="jxr_linenumber" name="631" href="#631">631</a> <em class="jxr_javadoccomment"> * @return {@code true} if byte-range requests are supported</em>
-<a class="jxr_linenumber" name="632" href="#632">632</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="633" href="#633">633</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> supportsRangeAndContentRangeHeaders() {
-<a class="jxr_linenumber" name="634" href="#634">634</a> <strong class="jxr_keyword">return</strong> SUPPORTS_RANGE_AND_CONTENT_RANGE_HEADERS;
-<a class="jxr_linenumber" name="635" href="#635">635</a> }
-<a class="jxr_linenumber" name="636" href="#636">636</a>
-<a class="jxr_linenumber" name="637" href="#637">637</a> <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="638" href="#638">638</a> <em class="jxr_javadoccomment"> * Reports whether this {@code CachingHttpClient} is configured as</em>
-<a class="jxr_linenumber" name="639" href="#639">639</a> <em class="jxr_javadoccomment"> * a shared (public) or non-shared (private) cache. See {@link</em>
-<a class="jxr_linenumber" name="640" href="#640">640</a> <em class="jxr_javadoccomment"> * CacheConfig#setSharedCache(boolean)}.</em>
-<a class="jxr_linenumber" name="641" href="#641">641</a> <em class="jxr_javadoccomment"> * @return {@code true} if we are behaving as a shared (public)</em>
-<a class="jxr_linenumber" name="642" href="#642">642</a> <em class="jxr_javadoccomment"> * cache</em>
-<a class="jxr_linenumber" name="643" href="#643">643</a> <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="644" href="#644">644</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isSharedCache() {
-<a class="jxr_linenumber" name="645" href="#645">645</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>.sharedCache;
-<a class="jxr_linenumber" name="646" href="#646">646</a> }
-<a class="jxr_linenumber" name="647" href="#647">647</a>
-<a class="jxr_linenumber" name="648" href="#648">648</a> Date getCurrentDate() {
-<a class="jxr_linenumber" name="649" href="#649">649</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> Date();
-<a class="jxr_linenumber" name="650" href="#650">650</a> }
-<a class="jxr_linenumber" name="651" href="#651">651</a>
-<a class="jxr_linenumber" name="652" href="#652">652</a> <strong class="jxr_keyword">boolean</strong> clientRequestsOurOptions(<strong class="jxr_keyword">final</strong> HttpRequest request) {
-<a class="jxr_linenumber" name="653" href="#653">653</a> <strong class="jxr_keyword">final</strong> RequestLine line = request.getRequestLine();
-<a class="jxr_linenumber" name="654" href="#654">654</a>
-<a class="jxr_linenumber" name="655" href="#655">655</a> <strong class="jxr_keyword">if</strong> (!HeaderConstants.OPTIONS_METHOD.equals(line.getMethod())) {
-<a class="jxr_linenumber" name="656" href="#656">656</a> <strong class="jxr_keyword">return</strong> false;
-<a class="jxr_linenumber" name="657" href="#657">657</a> }
-<a class="jxr_linenumber" name="658" href="#658">658</a>
-<a class="jxr_linenumber" name="659" href="#659">659</a> <strong class="jxr_keyword">if</strong> (!<span class="jxr_string">"*"</span>.equals(line.getUri())) {
-<a class="jxr_linenumber" name="660" href="#660">660</a> <strong class="jxr_keyword">return</strong> false;
-<a class="jxr_linenumber" name="661" href="#661">661</a> }
-<a class="jxr_linenumber" name="662" href="#662">662</a> <strong class="jxr_keyword">return</strong> <span class="jxr_string">"0"</span>.equals(request.getFirstHeader(HeaderConstants.MAX_FORWARDS).getValue());
-<a class="jxr_linenumber" name="663" href="#663">663</a> }
-<a class="jxr_linenumber" name="664" href="#664">664</a>
-<a class="jxr_linenumber" name="665" href="#665">665</a> <strong class="jxr_keyword">void</strong> callBackend(
-<a class="jxr_linenumber" name="666" href="#666">666</a> <strong class="jxr_keyword">final</strong> BasicFuture<HttpResponse> future,
-<a class="jxr_linenumber" name="667" href="#667">667</a> <strong class="jxr_keyword">final</strong> HttpHost target,
-<a class="jxr_linenumber" name="668" href="#668">668</a> <strong class="jxr_keyword">final</strong> HttpRequestWrapper request,
-<a class="jxr_linenumber" name="669" href="#669">669</a> <strong class="jxr_keyword">final</strong> HttpCacheContext clientContext) {
-<a class="jxr_linenumber" name="670" href="#670">670</a> <strong class="jxr_keyword">final</strong> Date requestDate = getCurrentDate();
-<a class="jxr_linenumber" name="671" href="#671">671</a> <strong class="jxr_keyword">this</strong>.log.trace(<span class="jxr_string">"Calling the backend"</span>);
-<a class="jxr_linenumber" name="672" href="#672">672</a>
-<a class="jxr_linenumber" name="673" href="#673">673</a> <strong class="jxr_keyword">final</strong> ChainedFutureCallback<HttpResponse> chainedFutureCallback = <strong class="jxr_keyword">new</strong> ChainedFutureCallback<HttpResponse>(future) {
-<a class="jxr_linenumber" name="674" href="#674">674</a>
-<a class="jxr_linenumber" name="675" href="#675">675</a> @Override
-<a class="jxr_linenumber" name="676" href="#676">676</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> completed(<strong class="jxr_keyword">final</strong> HttpResponse httpResponse) {
-<a class="jxr_linenumber" name="677" href="#677">677</a> httpResponse.addHeader(HeaderConstants.VIA, generateViaHeader(httpResponse));
-<a class="jxr_linenumber" name="678" href="#678">678</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="679" href="#679">679</a> <strong class="jxr_keyword">final</strong> CloseableHttpResponse backendResponse = handleBackendResponse(
-<a class="jxr_linenumber" name="680" href="#680">680</a> target, request, requestDate, getCurrentDate(),
-<a class="jxr_linenumber" name="681" href="#681">681</a> Proxies.enhanceResponse(httpResponse));
-<a class="jxr_linenumber" name="682" href="#682">682</a> <strong class="jxr_keyword">super</strong>.completed(backendResponse);
-<a class="jxr_linenumber" name="683" href="#683">683</a> } <strong class="jxr_keyword">catch</strong> (<strong class="jxr_keyword">final</strong> IOException e) {
-<a class="jxr_linenumber" name="684" href="#684">684</a> <strong class="jxr_keyword">super</strong>.failed(e);
-<a class="jxr_linenumber" name="685" href="#685">685</a> }
-<a class="jxr_linenumber" name="686" href="#686">686</a>
-<a class="jxr_linenumber" name="687" href="#687">687</a> }
-<a class="jxr_linenumber" name="688" href="#688">688</a>
-<a class="jxr_linenumber" name="689" href="#689">689</a> };
-<a class="jxr_linenumber" name="690" href="#690">690</a> <strong class="jxr_keyword">this</strong>.backend.execute(target, request, clientContext, chainedFutureCallback);
-<a class="jxr_linenumber" name="691" href="#691">691</a> }
-<a class="jxr_linenumber" name="692" href="#692">692</a>
-<a class="jxr_linenumber" name="693" href="#693">693</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> revalidationResponseIsTooOld(
-<a class="jxr_linenumber" name="694" href="#694">694</a> <strong class="jxr_keyword">final</strong> HttpResponse backendResponse,
-<a class="jxr_linenumber" name="695" href="#695">695</a> <strong class="jxr_keyword">final</strong> HttpCacheEntry cacheEntry) {
-<a class="jxr_linenumber" name="696" href="#696">696</a> <strong class="jxr_keyword">final</strong> Header entryDateHeader = cacheEntry.getFirstHeader(HTTP.DATE_HEADER);
-<a class="jxr_linenumber" name="697" href="#697">697</a> <strong class="jxr_keyword">final</strong> Header responseDateHeader = backendResponse.getFirstHeader(HTTP.DATE_HEADER);
-<a class="jxr_linenumber" name="698" href="#698">698</a> <strong class="jxr_keyword">if</strong> (entryDateHeader != <strong class="jxr_keyword">null</strong> && responseDateHeader != <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="699" href="#699">699</a> <strong class="jxr_keyword">final</strong> Date entryDate = DateUtils.parseDate(entryDateHeader.getValue());
-<a class="jxr_linenumber" name="700" href="#700">700</a> <strong class="jxr_keyword">final</strong> Date respDate = DateUtils.parseDate(responseDateHeader.getValue());
-<a class="jxr_linenumber" name="701" href="#701">701</a> <strong class="jxr_keyword">if</strong> (respDate != <strong class="jxr_keyword">null</strong> && respDate.before(entryDate)) {
-<a class="jxr_linenumber" name="702" href="#702">702</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="703" href="#703">703</a> }
-<a class="jxr_linenumber" name="704" href="#704">704</a> }
-<a class="jxr_linenumber" name="705" href="#705">705</a> <strong class="jxr_keyword">return</strong> false;
-<a class="jxr_linenumber" name="706" href="#706">706</a> }
-<a class="jxr_linenumber" name="707" href="#707">707</a>
-<a class="jxr_linenumber" name="708" href="#708">708</a> <strong class="jxr_keyword">void</strong> negotiateResponseFromVariants(
-<a class="jxr_linenumber" name="709" href="#709">709</a> <strong class="jxr_keyword">final</strong> BasicFuture<HttpResponse> future,
-<a class="jxr_linenumber" name="710" href="#710">710</a> <strong class="jxr_keyword">final</strong> HttpHost target,
[... 1267 lines stripped ...]