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<h5>Coverage Report - com.google.enterprise.adaptor.ReverseProxyHandler</h5>
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<thead><tr> <td class="heading">Classes in this File</td> <td class="heading"><a class="dfn" href="help.html" onclick="popupwindow('help.html'); return false;">Line Coverage</a></td> <td class="heading"><a class="dfn" href="help.html" onclick="popupwindow('help.html'); return false;">Branch Coverage</a></td> <td class="heading"><a class="dfn" href="help.html" onclick="popupwindow('help.html'); return false;">Complexity</a></td></tr></thead>
<tr><td><a href="com.google.enterprise.adaptor.ReverseProxyHandler.html">ReverseProxyHandler</a></td><td><table cellpadding="0px" cellspacing="0px" class="percentgraph"><tr class="percentgraph"><td align="right" class="percentgraph" width="40">19</td><td class="percentgraph"><div class="percentgraph"><div class="greenbar" style="width:82px"><span class="text">91/110</span></div></div></td></tr></table></td><td><table cellpadding="0px" cellspacing="0px" class="percentgraph"><tr class="percentgraph"><td align="right" class="percentgraph" width="40">20</td><td class="percentgraph"><div class="percentgraph"><div class="greenbar" style="width:72px"><span class="text">52/72</span></div></div></td></tr></table></td><td class="value"><span class="hidden">7.375;</span>7.375</td></tr>
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<table cellspacing="0" cellpadding="0" class="src">
<tr> <td class="numLine">&nbsp;1</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment">// Copyright 2014 Google Inc. All Rights Reserved.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;2</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment">//</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;3</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;4</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment">// you may not use this file except in compliance with the License.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;5</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment">// You may obtain a copy of the License at</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;6</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment">//</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;7</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;8</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment">//</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;9</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment">// Unless required by applicable law or agreed to in writing, software</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;10</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;11</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;12</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment">// See the License for the specific language governing permissions and</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;13</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment">// limitations under the License.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;14</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;15</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">package</span> com.google.enterprise.adaptor;</pre></td></tr>
<tr> <td class="numLine">&nbsp;16</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;17</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> com.google.common.collect.ImmutableSortedSet;</pre></td></tr>
<tr> <td class="numLine">&nbsp;18</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> com.google.common.collect.Sets;</pre></td></tr>
<tr> <td class="numLine">&nbsp;19</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;20</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> com.sun.net.httpserver.HttpExchange;</pre></td></tr>
<tr> <td class="numLine">&nbsp;21</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> com.sun.net.httpserver.HttpHandler;</pre></td></tr>
<tr> <td class="numLine">&nbsp;22</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;23</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> java.io.ByteArrayInputStream;</pre></td></tr>
<tr> <td class="numLine">&nbsp;24</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> java.io.IOException;</pre></td></tr>
<tr> <td class="numLine">&nbsp;25</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> java.io.InputStream;</pre></td></tr>
<tr> <td class="numLine">&nbsp;26</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> java.net.Authenticator;</pre></td></tr>
<tr> <td class="numLine">&nbsp;27</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> java.net.HttpURLConnection;</pre></td></tr>
<tr> <td class="numLine">&nbsp;28</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> java.net.InetSocketAddress;</pre></td></tr>
<tr> <td class="numLine">&nbsp;29</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> java.net.URI;</pre></td></tr>
<tr> <td class="numLine">&nbsp;30</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> java.net.URISyntaxException;</pre></td></tr>
<tr> <td class="numLine">&nbsp;31</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> java.util.Collections;</pre></td></tr>
<tr> <td class="numLine">&nbsp;32</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> java.util.List;</pre></td></tr>
<tr> <td class="numLine">&nbsp;33</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> java.util.Map;</pre></td></tr>
<tr> <td class="numLine">&nbsp;34</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> java.util.Set;</pre></td></tr>
<tr> <td class="numLine">&nbsp;35</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> java.util.logging.Level;</pre></td></tr>
<tr> <td class="numLine">&nbsp;36</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> java.util.logging.Logger;</pre></td></tr>
<tr> <td class="numLine">&nbsp;37</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;38</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment">/**</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;39</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * An HTTP reverse proxy. This class uses HttpURLConnection internally, so the</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;40</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * default {@link Authenticator} must be {@code null} for proper operation. The</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;41</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * implementation is known to drop the response body for 401 responses to POST</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;42</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * requests.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;43</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> */</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;44</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">class</span> ReverseProxyHandler <span class="keyword">implements</span> HttpHandler {</pre></td></tr>
<tr> <td class="numLine">&nbsp;45</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// The Hop-by-hop headers that are connection-local, as defined by RFC 2616</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;46</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// Section 13.5.1. As mentioned in the section, additional headers can be</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;47</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// specified in the Connection header.</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;48</td> <td class="nbHitsCovered">&nbsp;1</td> <td class="src"><pre class="src">&nbsp; <span class="keyword">private</span> <span class="keyword">static</span> <span class="keyword">final</span> Set&lt;String&gt; PREDEFINED_HOP_BY_HOP_HEADERS</pre></td></tr>
<tr> <td class="numLine">&nbsp;49</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; = ImmutableSortedSet.orderedBy(String.CASE_INSENSITIVE_ORDER).add(</pre></td></tr>
<tr> <td class="numLine">&nbsp;50</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="string">"Connection"</span>,</pre></td></tr>
<tr> <td class="numLine">&nbsp;51</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="string">"Host"</span>, <span class="comment">// Because this is a reverse proxy.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;52</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="string">"Keep-Alive"</span>,</pre></td></tr>
<tr> <td class="numLine">&nbsp;53</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="string">"Proxy-Authenticate"</span>,</pre></td></tr>
<tr> <td class="numLine">&nbsp;54</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="string">"Proxy-Authorization"</span>,</pre></td></tr>
<tr> <td class="numLine">&nbsp;55</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="string">"TE"</span>,</pre></td></tr>
<tr> <td class="numLine">&nbsp;56</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="string">"Trailers"</span>,</pre></td></tr>
<tr> <td class="numLine">&nbsp;57</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="string">"Transfer-Encoding"</span>,</pre></td></tr>
<tr> <td class="numLine">&nbsp;58</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="string">"Upgrade"</span>).build();</pre></td></tr>
<tr> <td class="numLine">&nbsp;59</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;60</td> <td class="nbHitsCovered">&nbsp;1</td> <td class="src"><pre class="src">&nbsp; <span class="keyword">private</span> <span class="keyword">static</span> <span class="keyword">final</span> Logger log</pre></td></tr>
<tr> <td class="numLine">&nbsp;61</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; = Logger.getLogger(HttpExchanges.<span class="keyword">class</span>.getName());</pre></td></tr>
<tr> <td class="numLine">&nbsp;62</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;63</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">private</span> <span class="keyword">final</span> URI destinationBase;</pre></td></tr>
<tr> <td class="numLine">&nbsp;64</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;65</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; <span class="keyword">public</span> ReverseProxyHandler(URI destinationBase) {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;66</td> <td class="nbHitsUncovered"><a title="Line 66: Conditional coverage 50% (1/2).">&nbsp;12</a></td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp;<a title="Line 66: Conditional coverage 50% (1/2)."> <span class="keyword">if</span> (destinationBase == <span class="keyword">null</span>) {</a></span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;67</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; <span class="keyword">throw</span> <span class="keyword">new</span> NullPointerException();</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;68</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;69</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; <span class="keyword">this</span>.destinationBase = destinationBase;</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;70</td> <td class="nbHitsUncovered"><a title="Line 70: Conditional coverage 50% (3/6) [each condition: 50%, 50%, 50%].">&nbsp;12</a></td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp;<a title="Line 70: Conditional coverage 50% (3/6) [each condition: 50%, 50%, 50%]."> <span class="keyword">if</span> (destinationBase.getScheme() == <span class="keyword">null</span> || destinationBase.getHost() == <span class="keyword">null</span></a></span></pre></td></tr>
<tr> <td class="numLine">&nbsp;71</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; || destinationBase.getPath() == <span class="keyword">null</span>) {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;72</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; <span class="keyword">throw</span> <span class="keyword">new</span> IllegalArgumentException(</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;73</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="string">"destinationBase must contain a scheme, host, and path"</span>);</pre></td></tr>
<tr> <td class="numLine">&nbsp;74</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;75</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;76</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;77</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; @Override</pre></td></tr>
<tr> <td class="numLine">&nbsp;78</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">public</span> <span class="keyword">void</span> handle(HttpExchange ex) <span class="keyword">throws</span> IOException {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;79</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; URI dest = computeProxyDestination(ex);</pre></td></tr>
<tr> <td class="numLine">&nbsp;80</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;81</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// Set up request</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;82</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; HttpURLConnection conn = (HttpURLConnection) dest.toURL().openConnection();</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;83</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; conn.setRequestMethod(ex.getRequestMethod());</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;84</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; conn.setAllowUserInteraction(<span class="keyword">false</span>);</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;85</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; conn.setInstanceFollowRedirects(<span class="keyword">false</span>);</pre></td></tr>
<tr> <td class="numLine">&nbsp;86</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// This adds Cache-Control: no-cache and Pragma: no-cache if those headers</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;87</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// keys aren't already there. It is unfortunate that it modifies the</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;88</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// request, however, the presense of these headers shouldn't have an impact</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;89</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// because they are targeted to proxy servers, not the application server.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;90</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// See RFC 2616 Section 14.9.1 and 14.32.</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;91</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; conn.setUseCaches(<span class="keyword">false</span>);</pre></td></tr>
<tr> <td class="numLine">&nbsp;92</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// HttpUrlConnection will add Accept and User-Agent headers if they aren't</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;93</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// already there. Luckily they are almost always there.</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;94</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; copyRequestHeaders(ex, conn);</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;95</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; conn.addRequestProperty(<span class="string">"X-Forwarded-For"</span>, getClientIp(ex));</pre></td></tr>
<tr> <td class="numLine">&nbsp;96</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;97</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// As defined in RFC 2616 Section 4.3</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;98</td> <td class="nbHitsUncovered"><a title="Line 98: Conditional coverage 75% (3/4) [each condition: 50%, 100%].">&nbsp;12</a></td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp;<a title="Line 98: Conditional coverage 75% (3/4) [each condition: 50%, 100%]."> <span class="keyword">boolean</span> hasRequestBody</a></span></pre></td></tr>
<tr> <td class="numLine">&nbsp;99</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; = ex.getRequestHeaders().containsKey(<span class="string">"Content-Length"</span>)</pre></td></tr>
<tr> <td class="numLine">&nbsp;100</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; || ex.getRequestHeaders().containsKey(<span class="string">"Transfer-Encoding"</span>);</pre></td></tr>
<tr> <td class="numLine">&nbsp;101</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;102</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; conn.setDoOutput(hasRequestBody);</pre></td></tr>
<tr> <td class="numLine">&nbsp;103</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// Input is required for getResponseCode()</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;104</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; conn.setDoInput(<span class="keyword">true</span>);</pre></td></tr>
<tr> <td class="numLine">&nbsp;105</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;106</td> <td class="nbHitsCovered"><a title="Line 106: Conditional coverage 100% (2/2).">&nbsp;12</a></td> <td class="src"><pre class="src">&nbsp;<a title="Line 106: Conditional coverage 100% (2/2)."> <span class="keyword">if</span> (hasRequestBody) {</a></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;107</td> <td class="nbHitsCovered">&nbsp;2</td> <td class="src"><pre class="src">&nbsp; String strContentLength</pre></td></tr>
<tr> <td class="numLine">&nbsp;108</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; = ex.getRequestHeaders().getFirst(<span class="string">"Content-Length"</span>);</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;109</td> <td class="nbHitsCovered">&nbsp;2</td> <td class="src"><pre class="src">&nbsp; <span class="keyword">long</span> contentLength = -1;</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;110</td> <td class="nbHitsUncovered"><a title="Line 110: Conditional coverage 50% (1/2).">&nbsp;2</a></td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp;<a title="Line 110: Conditional coverage 50% (1/2)."> <span class="keyword">if</span> (strContentLength != <span class="keyword">null</span>) {</a></span></pre></td></tr>
<tr> <td class="numLine">&nbsp;111</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">try</span> {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;112</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; contentLength = Long.parseLong(strContentLength);</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;113</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; } <span class="keyword">catch</span> (NumberFormatException e) {</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;114</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// Keep contentLength = -1</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;115</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; }</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;116</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;117</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// Enable streaming mode on the connection to prevent entire request body</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;118</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// from being buffered. Streaming mode also disables automatic</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;119</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// authentication.</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;120</td> <td class="nbHitsUncovered"><a title="Line 120: Conditional coverage 50% (1/2).">&nbsp;2</a></td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp;<a title="Line 120: Conditional coverage 50% (1/2)."> <span class="keyword">if</span> (contentLength &lt; 0) {</a></span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;121</td> <td class="nbHitsCovered">&nbsp;2</td> <td class="src"><pre class="src">&nbsp; conn.setChunkedStreamingMode(-1);</pre></td></tr>
<tr> <td class="numLine">&nbsp;122</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; } <span class="keyword">else</span> {</pre></td></tr>
<tr> <td class="numLine">&nbsp;123</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// TODO(ejona): remove cast once we depend on Java 7.</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;124</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; conn.setFixedLengthStreamingMode((<span class="keyword">int</span>) contentLength);</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;125</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;126</td> <td class="nbHitsCovered">&nbsp;2</td> <td class="src"><pre class="src">&nbsp; } <span class="keyword">else</span> {</pre></td></tr>
<tr> <td class="numLine">&nbsp;127</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// It is essential that no authentication happens. Unfortunately for</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;128</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// requests with no body (like GET), it seems impossible to detect if</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;129</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// authentication could be or was performed and impossible to prevent it</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;130</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// for a particular request.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;131</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">//</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;132</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// Thus, we disable authentication globally, which could easily break</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;133</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// other code's assumptions. However, the hope is that the other code will</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;134</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// begin breaking and we have a chance at discovering the incompatibility</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;135</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// between the two pieces of code, instead of silently offering content to</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;136</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// requesters that they are not authenticated for.</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;137</td> <td class="nbHitsCovered">&nbsp;10</td> <td class="src"><pre class="src">&nbsp; Authenticator.setDefault(<span class="keyword">null</span>);</pre></td></tr>
<tr> <td class="numLine">&nbsp;138</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;139</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;140</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// Actually issue the request, and copy the data back</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;141</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; conn.connect();</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;142</td> <td class="nbHitsCovered"><a title="Line 142: Conditional coverage 100% (2/2).">&nbsp;12</a></td> <td class="src"><pre class="src">&nbsp;<a title="Line 142: Conditional coverage 100% (2/2)."> <span class="keyword">if</span> (hasRequestBody) {</a></pre></td></tr>
<tr> <td class="numLine">&nbsp;143</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">try</span> {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;144</td> <td class="nbHitsCovered">&nbsp;2</td> <td class="src"><pre class="src">&nbsp; IOHelper.copyStream(ex.getRequestBody(), conn.getOutputStream());</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;145</td> <td class="nbHitsCovered">&nbsp;2</td> <td class="src"><pre class="src">&nbsp; ex.getRequestBody().close();</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;146</td> <td class="nbHitsCovered">&nbsp;2</td> <td class="src"><pre class="src">&nbsp; conn.getOutputStream().close();</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;147</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; } <span class="keyword">catch</span> (IOException e) {</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;148</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// TODO(ejona): determine if there is a more graceful way to clean up</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;149</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; conn.disconnect();</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;150</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; <span class="keyword">throw</span> e;</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;151</td> <td class="nbHitsCovered">&nbsp;2</td> <td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;152</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;153</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;154</td> <td class="nbHitsCovered"><a title="Line 154: Conditional coverage 100% (2/2).">&nbsp;12</a></td> <td class="src"><pre class="src">&nbsp;<a title="Line 154: Conditional coverage 100% (2/2)."> InputStream inputStream = conn.getResponseCode() &gt;= 400</a></pre></td></tr>
<tr> <td class="numLine">&nbsp;155</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; ? conn.getErrorStream() : conn.getInputStream();</pre></td></tr>
<tr> <td class="numLine">&nbsp;156</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// InputStream is null when responseCode == 401 and doing streaming, because</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;157</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// HttpURLConnection does not consider its state "connected". Unfortunately,</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;158</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// that means that we will lose the content for 401 responses for POST.</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;159</td> <td class="nbHitsCovered"><a title="Line 159: Conditional coverage 100% (4/4) [each condition: 100%, 100%].">&nbsp;12</a></td> <td class="src"><pre class="src">&nbsp;<a title="Line 159: Conditional coverage 100% (4/4) [each condition: 100%, 100%]."> <span class="keyword">if</span> (conn.getResponseCode() == 401 &amp;&amp; inputStream == <span class="keyword">null</span>) {</a></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;160</td> <td class="nbHitsCovered">&nbsp;1</td> <td class="src"><pre class="src">&nbsp; inputStream = <span class="keyword">new</span> ByteArrayInputStream(<span class="keyword">new</span> <span class="keyword">byte</span>[0]);</pre></td></tr>
<tr> <td class="numLine">&nbsp;161</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;162</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;163</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// As defined in RFC 2616 Section 4.3</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;164</td> <td class="nbHitsUncovered"><a title="Line 164: Conditional coverage 62% (5/8) [each condition: 100%, 50%, 50%, 50%].">&nbsp;12</a></td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp;<a title="Line 164: Conditional coverage 62% (5/8) [each condition: 100%, 50%, 50%, 50%]."> <span class="keyword">boolean</span> hasResponseBody = !(<span class="string">"HEAD"</span>.equalsIgnoreCase(ex.getRequestMethod())</a></span></pre></td></tr>
<tr> <td class="numLine">&nbsp;165</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; || conn.getResponseCode() / 100 == 1 <span class="comment">// 1xx Informational</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;166</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; || conn.getResponseCode() == 204 <span class="comment">// No Content</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;167</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; || conn.getResponseCode() == 304); <span class="comment">// Not Modified</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;168</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;169</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">try</span> {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;170</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; copyResponseHeaders(conn, ex);</pre></td></tr>
<tr> <td class="numLine">&nbsp;171</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;172</td> <td class="nbHitsCovered"><a title="Line 172: Conditional coverage 100% (2/2).">&nbsp;12</a></td> <td class="src"><pre class="src">&nbsp;<a title="Line 172: Conditional coverage 100% (2/2)."> <span class="keyword">if</span> (!hasResponseBody) {</a></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;173</td> <td class="nbHitsCovered">&nbsp;3</td> <td class="src"><pre class="src">&nbsp; ex.sendResponseHeaders(conn.getResponseCode(), -1);</pre></td></tr>
<tr> <td class="numLine">&nbsp;174</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; } <span class="keyword">else</span> {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;175</td> <td class="nbHitsCovered">&nbsp;9</td> <td class="src"><pre class="src">&nbsp; <span class="keyword">int</span> contentLength = conn.getContentLength();</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;176</td> <td class="nbHitsUncovered"><a title="Line 176: Conditional coverage 50% (1/2).">&nbsp;9</a></td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp;<a title="Line 176: Conditional coverage 50% (1/2)."> <span class="keyword">if</span> (contentLength &lt;= 0) {</a></span></pre></td></tr>
<tr> <td class="numLine">&nbsp;177</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// If the content length was unknown (-1) or if it was zero, then we</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;178</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// are forced to use chunked transfer encoding.</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;179</td> <td class="nbHitsCovered">&nbsp;9</td> <td class="src"><pre class="src">&nbsp; contentLength = 0;</pre></td></tr>
<tr> <td class="numLine">&nbsp;180</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;181</td> <td class="nbHitsCovered">&nbsp;9</td> <td class="src"><pre class="src">&nbsp; ex.sendResponseHeaders(conn.getResponseCode(), contentLength);</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;182</td> <td class="nbHitsCovered">&nbsp;9</td> <td class="src"><pre class="src">&nbsp; IOHelper.copyStream(inputStream, ex.getResponseBody());</pre></td></tr>
<tr> <td class="numLine">&nbsp;183</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;184</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// Don't close in a finally because that would be a successful response.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;185</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// If there is an error we want the server to kill the connection, which</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;186</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// informs the client that something went wrong.</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;187</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; ex.close();</pre></td></tr>
<tr> <td class="numLine">&nbsp;188</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; } <span class="keyword">finally</span> {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;189</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; inputStream.close();</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;190</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;191</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;192</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;193</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">/**</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;194</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * Compute the URI the proxy should send a request to, to proxy the provided</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;195</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * request.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;196</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> */</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;197</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">private</span> URI computeProxyDestination(HttpExchange ex) {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;198</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; URI req = HttpExchanges.getRequestUri(ex);</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;199</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; <span class="keyword">final</span> String basePath = ex.getHttpContext().getPath();</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;200</td> <td class="nbHitsUncovered"><a title="Line 200: Conditional coverage 50% (1/2).">&nbsp;12</a></td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp;<a title="Line 200: Conditional coverage 50% (1/2)."> <span class="keyword">if</span> (!req.getPath().startsWith(basePath)) {</a></span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;201</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; <span class="keyword">throw</span> <span class="keyword">new</span> AssertionError();</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;202</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;203</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; String lastPartOfPath = req.getPath().substring(basePath.length());</pre></td></tr>
<tr> <td class="numLine">&nbsp;204</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">try</span> {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;205</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; <span class="keyword">return</span> <span class="keyword">new</span> URI(destinationBase.getScheme(),</pre></td></tr>
<tr> <td class="numLine">&nbsp;206</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; destinationBase.getAuthority(),</pre></td></tr>
<tr> <td class="numLine">&nbsp;207</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; destinationBase.getPath() + lastPartOfPath, req.getQuery(),</pre></td></tr>
<tr> <td class="numLine">&nbsp;208</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; req.getFragment());</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;209</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; } <span class="keyword">catch</span> (URISyntaxException e) {</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;210</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; <span class="keyword">throw</span> <span class="keyword">new</span> AssertionError(e);</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;211</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;212</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;213</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;214</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">/**</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;215</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * Compute the equivalent URI to this proxy provided a possible URI pointing</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;216</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * to the destination server.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;217</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> *</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;218</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * &lt;p&gt;Redirects and similar require absolute URIs, so the destination server</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;219</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * is forced to expose its hostname and IP. We could pass the original</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;220</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * Host in the request (a la Apache's ProxyPreserveHost), but that is not</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;221</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * sufficent because it can't specify the path. So instead, we rewrite</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;222</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * such response headers when they match the destinationUri so they point to</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;223</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * the proxy instead of the destination (a la Apache's ProxyPassReverse).</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;224</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> */</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;225</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">private</span> String computeReverseProxyDestination(HttpExchange ex,</pre></td></tr>
<tr> <td class="numLine">&nbsp;226</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; String location) {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;227</td> <td class="nbHitsCovered">&nbsp;2</td> <td class="src"><pre class="src">&nbsp; URI uri = <span class="keyword">null</span>;</pre></td></tr>
<tr> <td class="numLine">&nbsp;228</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">try</span> {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;229</td> <td class="nbHitsCovered">&nbsp;2</td> <td class="src"><pre class="src">&nbsp; uri = <span class="keyword">new</span> URI(location);</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;230</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; } <span class="keyword">catch</span> (URISyntaxException e) {</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;231</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; log.log(Level.INFO, <span class="string">"Could not parse value from header: "</span> + location, e);</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;232</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; <span class="keyword">return</span> location;</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;233</td> <td class="nbHitsCovered">&nbsp;2</td> <td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;234</td> <td class="nbHitsCovered">&nbsp;2</td> <td class="src"><pre class="src">&nbsp; URI base = destinationBase;</pre></td></tr>
<tr> <td class="numLine">&nbsp;235</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// Check if the value starts with destinationBase. Use URI so that we</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;236</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// can correctly take case into consideration as appropriate.</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;237</td> <td class="nbHitsUncovered"><a title="Line 237: Conditional coverage 60% (6/10) [each condition: 50%, 100%, 50%, 50%, 50%].">&nbsp;2</a></td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp;<a title="Line 237: Conditional coverage 60% (6/10) [each condition: 50%, 100%, 50%, 50%, 50%]."> <span class="keyword">if</span> (!(base.getScheme().equalsIgnoreCase(uri.getScheme())</a></span></pre></td></tr>
<tr> <td class="numLine">&nbsp;238</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; &amp;&amp; base.getHost().equalsIgnoreCase(uri.getHost())</pre></td></tr>
<tr> <td class="numLine">&nbsp;239</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; &amp;&amp; base.getPort() == uri.getPort()</pre></td></tr>
<tr> <td class="numLine">&nbsp;240</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; &amp;&amp; uri.getPath() != <span class="keyword">null</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;241</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// This is correctly case-sensitive.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;242</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; &amp;&amp; uri.getPath().startsWith(base.getPath()))) {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;243</td> <td class="nbHitsCovered">&nbsp;1</td> <td class="src"><pre class="src">&nbsp; <span class="keyword">return</span> location;</pre></td></tr>
<tr> <td class="numLine">&nbsp;244</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;245</td> <td class="nbHitsCovered">&nbsp;1</td> <td class="src"><pre class="src">&nbsp; String lastPartOfPath = uri.getPath().substring(base.getPath().length());</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;246</td> <td class="nbHitsCovered">&nbsp;1</td> <td class="src"><pre class="src">&nbsp; URI requestUri = HttpExchanges.getRequestUri(ex);</pre></td></tr>
<tr> <td class="numLine">&nbsp;247</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">try</span> {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;248</td> <td class="nbHitsCovered">&nbsp;1</td> <td class="src"><pre class="src">&nbsp; <span class="keyword">return</span> <span class="keyword">new</span> URI(requestUri.getScheme(), requestUri.getAuthority(),</pre></td></tr>
<tr> <td class="numLine">&nbsp;249</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; ex.getHttpContext().getPath() + lastPartOfPath, uri.getQuery(),</pre></td></tr>
<tr> <td class="numLine">&nbsp;250</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; uri.getFragment()).toASCIIString();</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;251</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; } <span class="keyword">catch</span> (URISyntaxException e) {</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;252</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; <span class="keyword">throw</span> <span class="keyword">new</span> AssertionError(e);</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;253</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;254</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;255</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;256</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">private</span> <span class="keyword">void</span> copyRequestHeaders(HttpExchange from, HttpURLConnection to) {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;257</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; Set&lt;String&gt; requestHopByHopHeaders</pre></td></tr>
<tr> <td class="numLine">&nbsp;258</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; = getHopByHopHeaders(from.getRequestHeaders().get(<span class="string">"Connection"</span>));</pre></td></tr>
<tr> <td class="numLine">&nbsp;259</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">for</span> (Map.Entry&lt;String, List&lt;String&gt;&gt; me</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;260</td> <td class="nbHitsCovered"><a title="Line 260: Conditional coverage 100% (2/2).">&nbsp;12</a></td> <td class="src"><pre class="src">&nbsp;<a title="Line 260: Conditional coverage 100% (2/2)."> : from.getRequestHeaders().entrySet()) {</a></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;261</td> <td class="nbHitsCovered"><a title="Line 261: Conditional coverage 100% (2/2).">&nbsp;17</a></td> <td class="src"><pre class="src">&nbsp;<a title="Line 261: Conditional coverage 100% (2/2)."> <span class="keyword">if</span> (requestHopByHopHeaders.contains(me.getKey())) {</a></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;262</td> <td class="nbHitsCovered">&nbsp;14</td> <td class="src"><pre class="src">&nbsp; <span class="keyword">continue</span>;</pre></td></tr>
<tr> <td class="numLine">&nbsp;263</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;264</td> <td class="nbHitsCovered"><a title="Line 264: Conditional coverage 100% (2/2).">&nbsp;3</a></td> <td class="src"><pre class="src">&nbsp;<a title="Line 264: Conditional coverage 100% (2/2)."> <span class="keyword">for</span> (String value : me.getValue()) {</a></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;265</td> <td class="nbHitsCovered">&nbsp;3</td> <td class="src"><pre class="src">&nbsp; to.addRequestProperty(me.getKey(), value);</pre></td></tr>
<tr> <td class="numLine">&nbsp;266</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;267</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;268</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;269</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;270</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">private</span> <span class="keyword">void</span> copyResponseHeaders(HttpURLConnection from, HttpExchange to) {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;271</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; Set&lt;String&gt; responseHopByHopHeaders</pre></td></tr>
<tr> <td class="numLine">&nbsp;272</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; = getHopByHopHeaders(from.getHeaderFields().get(<span class="string">"Connection"</span>));</pre></td></tr>
<tr> <td class="numLine">&nbsp;273</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// HttpURLConnection.getHeaderFields() reverses the order of repeated</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;274</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// headers' values, so we avoid it. Specifically,</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;275</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// sun.net.www.MessageHeader.filterAndAddHeaders() loops through the</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;276</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">// headers in reverse order while building the map.</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;277</td> <td class="nbHitsCovered">&nbsp;57</td> <td class="src"><pre class="src">&nbsp; <span class="keyword">for</span> (<span class="keyword">int</span> i = 0;; i++) {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;278</td> <td class="nbHitsCovered">&nbsp;57</td> <td class="src"><pre class="src">&nbsp; String key = from.getHeaderFieldKey(i);</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;279</td> <td class="nbHitsCovered">&nbsp;57</td> <td class="src"><pre class="src">&nbsp; String value = from.getHeaderField(i);</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;280</td> <td class="nbHitsCovered"><a title="Line 280: Conditional coverage 100% (2/2).">&nbsp;57</a></td> <td class="src"><pre class="src">&nbsp;<a title="Line 280: Conditional coverage 100% (2/2)."> <span class="keyword">if</span> (value == <span class="keyword">null</span>) {</a></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;281</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; <span class="keyword">break</span>; <span class="comment">// Reached end</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;282</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;283</td> <td class="nbHitsCovered"><a title="Line 283: Conditional coverage 100% (2/2).">&nbsp;45</a></td> <td class="src"><pre class="src">&nbsp;<a title="Line 283: Conditional coverage 100% (2/2)."> <span class="keyword">if</span> (key == <span class="keyword">null</span>) {</a></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;284</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; <span class="keyword">continue</span>; <span class="comment">// Value is the HTTP status line, which we want to skip</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;285</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;286</td> <td class="nbHitsCovered"><a title="Line 286: Conditional coverage 100% (2/2).">&nbsp;33</a></td> <td class="src"><pre class="src">&nbsp;<a title="Line 286: Conditional coverage 100% (2/2)."> <span class="keyword">if</span> (responseHopByHopHeaders.contains(key)) {</a></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;287</td> <td class="nbHitsCovered">&nbsp;9</td> <td class="src"><pre class="src">&nbsp; <span class="keyword">continue</span>;</pre></td></tr>
<tr> <td class="numLine">&nbsp;288</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;289</td> <td class="nbHitsUncovered"><a title="Line 289: Conditional coverage 66% (4/6) [each condition: 100%, 50%, 50%].">&nbsp;24</a></td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp;<a title="Line 289: Conditional coverage 66% (4/6) [each condition: 100%, 50%, 50%]."> <span class="keyword">if</span> (<span class="string">"Location"</span>.equalsIgnoreCase(key)</a></span></pre></td></tr>
<tr> <td class="numLine">&nbsp;290</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; || <span class="string">"Content-Location"</span>.equalsIgnoreCase(key)</pre></td></tr>
<tr> <td class="numLine">&nbsp;291</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; || <span class="string">"URI"</span>.equalsIgnoreCase(key)) {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;292</td> <td class="nbHitsCovered">&nbsp;2</td> <td class="src"><pre class="src">&nbsp; value = computeReverseProxyDestination(to, value);</pre></td></tr>
<tr> <td class="numLine">&nbsp;293</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;294</td> <td class="nbHitsCovered">&nbsp;24</td> <td class="src"><pre class="src">&nbsp; to.getResponseHeaders().add(key, value);</pre></td></tr>
<tr> <td class="numLine">&nbsp;295</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;296</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;297</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;298</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">private</span> String getClientIp(HttpExchange ex) {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;299</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; InetSocketAddress clientAddr = ex.getRemoteAddress();</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;300</td> <td class="nbHitsUncovered"><a title="Line 300: Conditional coverage 50% (1/2).">&nbsp;12</a></td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp;<a title="Line 300: Conditional coverage 50% (1/2)."> <span class="keyword">if</span> (clientAddr.isUnresolved()) {</a></span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;301</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; log.log(Level.WARNING, <span class="string">"Could not determine client's IP"</span>);</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;302</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; <span class="keyword">return</span> <span class="string">"unknown"</span>;</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;303</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;304</td> <td class="nbHitsCovered">&nbsp;12</td> <td class="src"><pre class="src">&nbsp; <span class="keyword">return</span> clientAddr.getAddress().getHostAddress();</pre></td></tr>
<tr> <td class="numLine">&nbsp;305</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;306</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;307</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">private</span> Set&lt;String&gt; getHopByHopHeaders(List&lt;String&gt; connectionValues) {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;308</td> <td class="nbHitsCovered">&nbsp;24</td> <td class="src"><pre class="src">&nbsp; List&lt;String&gt; rawConnectionHeaders</pre></td></tr>
<tr> <td class="numLine">&nbsp;309</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; = HttpExchanges.splitHeaderValues(connectionValues);</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;310</td> <td class="nbHitsUncovered"><a title="Line 310: Conditional coverage 50% (1/2).">&nbsp;24</a></td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp;<a title="Line 310: Conditional coverage 50% (1/2)."> <span class="keyword">if</span> (rawConnectionHeaders == <span class="keyword">null</span>) {</a></span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;311</td> <td class="nbHitsCovered">&nbsp;24</td> <td class="src"><pre class="src">&nbsp; rawConnectionHeaders = Collections.emptyList();</pre></td></tr>
<tr> <td class="numLine">&nbsp;312</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;313</td> <td class="nbHitsCovered">&nbsp;24</td> <td class="src"><pre class="src">&nbsp; Set&lt;String&gt; connectionHeaders</pre></td></tr>
<tr> <td class="numLine">&nbsp;314</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; = ImmutableSortedSet.orderedBy(String.CASE_INSENSITIVE_ORDER)</pre></td></tr>
<tr> <td class="numLine">&nbsp;315</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; .addAll(rawConnectionHeaders).build();</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;316</td> <td class="nbHitsCovered">&nbsp;24</td> <td class="src"><pre class="src">&nbsp; <span class="keyword">return</span> Sets.union(PREDEFINED_HOP_BY_HOP_HEADERS, connectionHeaders);</pre></td></tr>
<tr> <td class="numLine">&nbsp;317</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;318</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;}</pre></td></tr>
</table>
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