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| <a name="1" href="#1">1</a> <em class="jxr_comment">/*</em> |
| <a name="2" href="#2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em> |
| <a name="3" href="#3">3</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em> |
| <a name="4" href="#4">4</a> <em class="jxr_comment"> * distributed with this work for additional information</em> |
| <a name="5" href="#5">5</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em> |
| <a name="6" href="#6">6</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em> |
| <a name="7" href="#7">7</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em> |
| <a name="8" href="#8">8</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em> |
| <a name="9" href="#9">9</a> <em class="jxr_comment"> *</em> |
| <a name="10" href="#10">10</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em> |
| <a name="11" href="#11">11</a> <em class="jxr_comment"> *</em> |
| <a name="12" href="#12">12</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing,</em> |
| <a name="13" href="#13">13</a> <em class="jxr_comment"> * software distributed under the License is distributed on an</em> |
| <a name="14" href="#14">14</a> <em class="jxr_comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em> |
| <a name="15" href="#15">15</a> <em class="jxr_comment"> * KIND, either express or implied. See the License for the</em> |
| <a name="16" href="#16">16</a> <em class="jxr_comment"> * specific language governing permissions and limitations</em> |
| <a name="17" href="#17">17</a> <em class="jxr_comment"> * under the License.</em> |
| <a name="18" href="#18">18</a> <em class="jxr_comment"> */</em> |
| <a name="19" href="#19">19</a> <strong class="jxr_keyword">package</strong> org.apache.chemistry.opencmis.browser; |
| <a name="20" href="#20">20</a> |
| <a name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> java.io.BufferedInputStream; |
| <a name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> java.io.BufferedOutputStream; |
| <a name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> java.io.IOException; |
| <a name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> java.io.InputStream; |
| <a name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> java.io.OutputStream; |
| <a name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> java.io.PrintWriter; |
| <a name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> java.net.HttpURLConnection; |
| <a name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> java.net.URL; |
| <a name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> java.net.URLDecoder; |
| <a name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> java.util.Enumeration; |
| <a name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> java.util.HashMap; |
| <a name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> java.util.Map; |
| <a name="33" href="#33">33</a> |
| <a name="34" href="#34">34</a> <strong class="jxr_keyword">import</strong> javax.servlet.ServletConfig; |
| <a name="35" href="#35">35</a> <strong class="jxr_keyword">import</strong> javax.servlet.ServletException; |
| <a name="36" href="#36">36</a> <strong class="jxr_keyword">import</strong> javax.servlet.http.HttpServlet; |
| <a name="37" href="#37">37</a> <strong class="jxr_keyword">import</strong> javax.servlet.http.HttpServletRequest; |
| <a name="38" href="#38">38</a> <strong class="jxr_keyword">import</strong> javax.servlet.http.HttpServletResponse; |
| <a name="39" href="#39">39</a> <strong class="jxr_keyword">import</strong> javax.xml.parsers.DocumentBuilder; |
| <a name="40" href="#40">40</a> <strong class="jxr_keyword">import</strong> javax.xml.parsers.DocumentBuilderFactory; |
| <a name="41" href="#41">41</a> <strong class="jxr_keyword">import</strong> javax.xml.transform.Result; |
| <a name="42" href="#42">42</a> <strong class="jxr_keyword">import</strong> javax.xml.transform.Source; |
| <a name="43" href="#43">43</a> <strong class="jxr_keyword">import</strong> javax.xml.transform.Transformer; |
| <a name="44" href="#44">44</a> <strong class="jxr_keyword">import</strong> javax.xml.transform.TransformerFactory; |
| <a name="45" href="#45">45</a> <strong class="jxr_keyword">import</strong> javax.xml.transform.dom.DOMSource; |
| <a name="46" href="#46">46</a> <strong class="jxr_keyword">import</strong> javax.xml.transform.stream.StreamResult; |
| <a name="47" href="#47">47</a> <strong class="jxr_keyword">import</strong> javax.xml.transform.stream.StreamSource; |
| <a name="48" href="#48">48</a> |
| <a name="49" href="#49">49</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.Log; |
| <a name="50" href="#50">50</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.LogFactory; |
| <a name="51" href="#51">51</a> <strong class="jxr_keyword">import</strong> org.w3c.dom.Document; |
| <a name="52" href="#52">52</a> |
| <a name="53" href="#53">53</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="54" href="#54">54</a> <em class="jxr_javadoccomment"> * CMIS Browser Servlet.</em> |
| <a name="55" href="#55">55</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="56" href="#56">56</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/chemistry/opencmis/browser/BrowseServlet.html">BrowseServlet</a> <strong class="jxr_keyword">extends</strong> HttpServlet { |
| <a name="57" href="#57">57</a> |
| <a name="58" href="#58">58</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> serialVersionUID = 1L; |
| <a name="59" href="#59">59</a> |
| <a name="60" href="#60">60</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Log log = LogFactory.getLog(BrowseServlet.<strong class="jxr_keyword">class</strong>); |
| <a name="61" href="#61">61</a> |
| <a name="62" href="#62">62</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String CONTEXT_PREFIX = <span class="jxr_string">"{ctx}"</span>; |
| <a name="63" href="#63">63</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String PARAM_URL = <span class="jxr_string">"url"</span>; |
| <a name="64" href="#64">64</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String PARAM_OVERRIDE_STYLESHEET = <span class="jxr_string">"overrideStylesheet"</span>; |
| <a name="65" href="#65">65</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> PARAM_URL_MIN_LEN = PARAM_URL.length() + <span class="jxr_string">"="</span>.length() + <span class="jxr_string">"http"</span>.length() + <span class="jxr_string">"://"</span>.length() |
| <a name="66" href="#66">66</a> + 1; |
| <a name="67" href="#67">67</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String INIT_PARAM_AUXROOT = <span class="jxr_string">"auxroot"</span>; |
| <a name="68" href="#68">68</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String INIT_PARAM_ALLOW = <span class="jxr_string">"allow"</span>; |
| <a name="69" href="#69">69</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String INIT_PARAM_STYLESHEET = <span class="jxr_string">"stylesheet:"</span>; |
| <a name="70" href="#70">70</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String INIT_PARAM_OVERRIDE_STYLESHEET = <span class="jxr_string">"override-stylesheet:"</span>; |
| <a name="71" href="#71">71</a> |
| <a name="72" href="#72">72</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> BUFFER_SIZE = 64 * 1024; |
| <a name="73" href="#73">73</a> |
| <a name="74" href="#74">74</a> <strong class="jxr_keyword">private</strong> String fAuxRoot = <span class="jxr_string">""</span>; |
| <a name="75" href="#75">75</a> <strong class="jxr_keyword">private</strong> String fAllow = <span class="jxr_string">".*"</span>; |
| <a name="76" href="#76">76</a> <strong class="jxr_keyword">private</strong> Map<String, Source> fStyleSheets; |
| <a name="77" href="#77">77</a> <strong class="jxr_keyword">private</strong> Map<String, Source> fOverrideStyleSheets; |
| <a name="78" href="#78">78</a> |
| <a name="79" href="#79">79</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="80" href="#80">80</a> <em class="jxr_javadoccomment"> * Initializes the browser servlet.</em> |
| <a name="81" href="#81">81</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="82" href="#82">82</a> @SuppressWarnings(<span class="jxr_string">"unchecked"</span>) |
| <a name="83" href="#83">83</a> @Override |
| <a name="84" href="#84">84</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> init(ServletConfig config) <strong class="jxr_keyword">throws</strong> ServletException { |
| <a name="85" href="#85">85</a> fStyleSheets = <strong class="jxr_keyword">new</strong> HashMap<String, Source>(); |
| <a name="86" href="#86">86</a> fOverrideStyleSheets = <strong class="jxr_keyword">new</strong> HashMap<String, Source>(); |
| <a name="87" href="#87">87</a> |
| <a name="88" href="#88">88</a> DocumentBuilder builder = <strong class="jxr_keyword">null</strong>; |
| <a name="89" href="#89">89</a> <strong class="jxr_keyword">try</strong> { |
| <a name="90" href="#90">90</a> DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance(); |
| <a name="91" href="#91">91</a> builderFactory.setNamespaceAware(<strong class="jxr_keyword">true</strong>); |
| <a name="92" href="#92">92</a> builder = builderFactory.newDocumentBuilder(); |
| <a name="93" href="#93">93</a> } <strong class="jxr_keyword">catch</strong> (Exception e) { |
| <a name="94" href="#94">94</a> e.printStackTrace(); |
| <a name="95" href="#95">95</a> <strong class="jxr_keyword">return</strong>; |
| <a name="96" href="#96">96</a> } |
| <a name="97" href="#97">97</a> |
| <a name="98" href="#98">98</a> Enumeration<String> initParams = config.getInitParameterNames(); |
| <a name="99" href="#99">99</a> <strong class="jxr_keyword">while</strong> (initParams.hasMoreElements()) { |
| <a name="100" href="#100">100</a> String param = initParams.nextElement(); |
| <a name="101" href="#101">101</a> String stylesheetKey = <strong class="jxr_keyword">null</strong>; |
| <a name="102" href="#102">102</a> <strong class="jxr_keyword">boolean</strong> isOverride = false; |
| <a name="103" href="#103">103</a> |
| <a name="104" href="#104">104</a> <strong class="jxr_keyword">if</strong> (param.startsWith(INIT_PARAM_STYLESHEET)) { |
| <a name="105" href="#105">105</a> stylesheetKey = param.substring(INIT_PARAM_STYLESHEET.length()); |
| <a name="106" href="#106">106</a> } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (param.startsWith(INIT_PARAM_OVERRIDE_STYLESHEET)) { |
| <a name="107" href="#107">107</a> stylesheetKey = param.substring(INIT_PARAM_OVERRIDE_STYLESHEET.length()); |
| <a name="108" href="#108">108</a> isOverride = <strong class="jxr_keyword">true</strong>; |
| <a name="109" href="#109">109</a> } |
| <a name="110" href="#110">110</a> |
| <a name="111" href="#111">111</a> <strong class="jxr_keyword">if</strong> (stylesheetKey != <strong class="jxr_keyword">null</strong>) { |
| <a name="112" href="#112">112</a> String stylesheetFileName = config.getInitParameter(param); |
| <a name="113" href="#113">113</a> InputStream stream = config.getServletContext().getResourceAsStream(stylesheetFileName); |
| <a name="114" href="#114">114</a> <strong class="jxr_keyword">if</strong> (stream != <strong class="jxr_keyword">null</strong>) { |
| <a name="115" href="#115">115</a> <strong class="jxr_keyword">try</strong> { |
| <a name="116" href="#116">116</a> Document xslDoc = builder.parse(stream); |
| <a name="117" href="#117">117</a> addStylesheet(stylesheetKey, <strong class="jxr_keyword">new</strong> DOMSource(xslDoc), isOverride); |
| <a name="118" href="#118">118</a> |
| <a name="119" href="#119">119</a> log.info(<span class="jxr_string">"Stylesheet: '"</span> + stylesheetKey + <span class="jxr_string">"' -> '"</span> + stylesheetFileName + <span class="jxr_string">"'"</span>); |
| <a name="120" href="#120">120</a> } <strong class="jxr_keyword">catch</strong> (Exception e) { |
| <a name="121" href="#121">121</a> e.printStackTrace(); |
| <a name="122" href="#122">122</a> } |
| <a name="123" href="#123">123</a> } |
| <a name="124" href="#124">124</a> } |
| <a name="125" href="#125">125</a> } |
| <a name="126" href="#126">126</a> |
| <a name="127" href="#127">127</a> String initAuxRoot = config.getInitParameter(INIT_PARAM_AUXROOT); |
| <a name="128" href="#128">128</a> <strong class="jxr_keyword">if</strong> (initAuxRoot != <strong class="jxr_keyword">null</strong>) { |
| <a name="129" href="#129">129</a> fAuxRoot = initAuxRoot; |
| <a name="130" href="#130">130</a> log.info(<span class="jxr_string">"Auxiliary root: "</span> + fAuxRoot); |
| <a name="131" href="#131">131</a> } |
| <a name="132" href="#132">132</a> |
| <a name="133" href="#133">133</a> String initAllow = config.getInitParameter(INIT_PARAM_ALLOW); |
| <a name="134" href="#134">134</a> <strong class="jxr_keyword">if</strong> (initAllow != <strong class="jxr_keyword">null</strong>) { |
| <a name="135" href="#135">135</a> fAllow = initAllow; |
| <a name="136" href="#136">136</a> log.info(<span class="jxr_string">"Allow pattern: "</span> + fAllow); |
| <a name="137" href="#137">137</a> } |
| <a name="138" href="#138">138</a> } |
| <a name="139" href="#139">139</a> |
| <a name="140" href="#140">140</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="141" href="#141">141</a> <em class="jxr_javadoccomment"> * Handles GET requests.</em> |
| <a name="142" href="#142">142</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="143" href="#143">143</a> @Override |
| <a name="144" href="#144">144</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> doGet(HttpServletRequest req, HttpServletResponse resp) <strong class="jxr_keyword">throws</strong> ServletException, IOException { |
| <a name="145" href="#145">145</a> String browseUrl = <strong class="jxr_keyword">null</strong>; |
| <a name="146" href="#146">146</a> String overrideStylesheet = <strong class="jxr_keyword">null</strong>; |
| <a name="147" href="#147">147</a> |
| <a name="148" href="#148">148</a> <em class="jxr_comment">// The url parameter must come first!</em> |
| <a name="149" href="#149">149</a> String queryString = req.getQueryString(); |
| <a name="150" href="#150">150</a> |
| <a name="151" href="#151">151</a> <strong class="jxr_keyword">if</strong> ((queryString != <strong class="jxr_keyword">null</strong>) && (queryString.startsWith(PARAM_URL))) { |
| <a name="152" href="#152">152</a> <strong class="jxr_keyword">int</strong> urlEnd = queryString.indexOf(PARAM_OVERRIDE_STYLESHEET + <span class="jxr_string">"="</span>); |
| <a name="153" href="#153">153</a> <strong class="jxr_keyword">if</strong> (urlEnd == -1) { |
| <a name="154" href="#154">154</a> urlEnd = queryString.length(); |
| <a name="155" href="#155">155</a> } <strong class="jxr_keyword">else</strong> { |
| <a name="156" href="#156">156</a> overrideStylesheet = queryString.substring(urlEnd + PARAM_OVERRIDE_STYLESHEET.length() + 1); |
| <a name="157" href="#157">157</a> --urlEnd; |
| <a name="158" href="#158">158</a> } |
| <a name="159" href="#159">159</a> |
| <a name="160" href="#160">160</a> browseUrl = queryString.substring(PARAM_URL.length() + 1, urlEnd); |
| <a name="161" href="#161">161</a> |
| <a name="162" href="#162">162</a> <strong class="jxr_keyword">if</strong> (browseUrl.length() < PARAM_URL_MIN_LEN) { |
| <a name="163" href="#163">163</a> browseUrl = <strong class="jxr_keyword">null</strong>; |
| <a name="164" href="#164">164</a> } |
| <a name="165" href="#165">165</a> } |
| <a name="166" href="#166">166</a> |
| <a name="167" href="#167">167</a> <strong class="jxr_keyword">if</strong> (browseUrl == <strong class="jxr_keyword">null</strong>) { |
| <a name="168" href="#168">168</a> printInput(req, resp); |
| <a name="169" href="#169">169</a> <strong class="jxr_keyword">return</strong>; |
| <a name="170" href="#170">170</a> } |
| <a name="171" href="#171">171</a> |
| <a name="172" href="#172">172</a> doBrowse(req, resp, browseUrl, overrideStylesheet); |
| <a name="173" href="#173">173</a> } |
| <a name="174" href="#174">174</a> |
| <a name="175" href="#175">175</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="176" href="#176">176</a> <em class="jxr_javadoccomment"> * Main method of the browser.</em> |
| <a name="177" href="#177">177</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="178" href="#178">178</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> doBrowse(HttpServletRequest req, HttpServletResponse resp, String browseUrl, |
| <a name="179" href="#179">179</a> String overrideStylesheet) <strong class="jxr_keyword">throws</strong> ServletException, IOException { |
| <a name="180" href="#180">180</a> <em class="jxr_comment">// check if decoding is necessary</em> |
| <a name="181" href="#181">181</a> <em class="jxr_comment">// (if the char after 'http' or 'https' is not a colon, then it must be</em> |
| <a name="182" href="#182">182</a> <em class="jxr_comment">// decoded)</em> |
| <a name="183" href="#183">183</a> <strong class="jxr_keyword">if</strong> (browseUrl.charAt(4) != ':' && browseUrl.charAt(5) != ':') { |
| <a name="184" href="#184">184</a> browseUrl = URLDecoder.decode(browseUrl, <span class="jxr_string">"UTF-8"</span>); |
| <a name="185" href="#185">185</a> } |
| <a name="186" href="#186">186</a> |
| <a name="187" href="#187">187</a> <em class="jxr_comment">// check URL</em> |
| <a name="188" href="#188">188</a> <strong class="jxr_keyword">if</strong> (!browseUrl.matches(fAllow)) { |
| <a name="189" href="#189">189</a> printError(req, resp, <span class="jxr_string">"Prohibited URL!"</span>, <strong class="jxr_keyword">null</strong>); |
| <a name="190" href="#190">190</a> <strong class="jxr_keyword">return</strong>; |
| <a name="191" href="#191">191</a> } |
| <a name="192" href="#192">192</a> |
| <a name="193" href="#193">193</a> <strong class="jxr_keyword">try</strong> { |
| <a name="194" href="#194">194</a> <em class="jxr_comment">// get content</em> |
| <a name="195" href="#195">195</a> URL url = <strong class="jxr_keyword">new</strong> URL(browseUrl); |
| <a name="196" href="#196">196</a> HttpURLConnection conn = (HttpURLConnection) url.openConnection(); |
| <a name="197" href="#197">197</a> conn.setDoInput(<strong class="jxr_keyword">true</strong>); |
| <a name="198" href="#198">198</a> conn.setDoOutput(false); |
| <a name="199" href="#199">199</a> conn.setRequestMethod(<span class="jxr_string">"GET"</span>); |
| <a name="200" href="#200">200</a> String authHeader = req.getHeader(<span class="jxr_string">"Authorization"</span>); |
| <a name="201" href="#201">201</a> <strong class="jxr_keyword">if</strong> (authHeader != <strong class="jxr_keyword">null</strong>) { |
| <a name="202" href="#202">202</a> conn.setRequestProperty(<span class="jxr_string">"Authorization"</span>, authHeader); |
| <a name="203" href="#203">203</a> } |
| <a name="204" href="#204">204</a> conn.connect(); |
| <a name="205" href="#205">205</a> |
| <a name="206" href="#206">206</a> <em class="jxr_comment">// ask for login</em> |
| <a name="207" href="#207">207</a> <strong class="jxr_keyword">if</strong> (conn.getResponseCode() == HttpURLConnection.HTTP_UNAUTHORIZED) { |
| <a name="208" href="#208">208</a> resp.setHeader(<span class="jxr_string">"WWW-Authenticate"</span>, conn.getHeaderField(<span class="jxr_string">"WWW-Authenticate"</span>)); |
| <a name="209" href="#209">209</a> resp.sendError(HttpServletResponse.SC_UNAUTHORIZED, <span class="jxr_string">"Authorization Required"</span>); |
| <a name="210" href="#210">210</a> <strong class="jxr_keyword">return</strong>; |
| <a name="211" href="#211">211</a> } |
| <a name="212" href="#212">212</a> |
| <a name="213" href="#213">213</a> <em class="jxr_comment">// debug messages</em> |
| <a name="214" href="#214">214</a> <strong class="jxr_keyword">if</strong> (log.isDebugEnabled()) { |
| <a name="215" href="#215">215</a> log.debug(<span class="jxr_string">"'"</span> + browseUrl + <span class="jxr_string">"' -> '"</span> + conn.getContentType() + <span class="jxr_string">"'"</span>); |
| <a name="216" href="#216">216</a> } |
| <a name="217" href="#217">217</a> |
| <a name="218" href="#218">218</a> <em class="jxr_comment">// find stylesheet</em> |
| <a name="219" href="#219">219</a> Source stylesheet = getStylesheet(conn.getContentType(), overrideStylesheet); |
| <a name="220" href="#220">220</a> |
| <a name="221" href="#221">221</a> OutputStream out = <strong class="jxr_keyword">null</strong>; |
| <a name="222" href="#222">222</a> InputStream in = <strong class="jxr_keyword">new</strong> BufferedInputStream(conn.getInputStream(), BUFFER_SIZE); |
| <a name="223" href="#223">223</a> |
| <a name="224" href="#224">224</a> <strong class="jxr_keyword">if</strong> (stylesheet == <strong class="jxr_keyword">null</strong>) { |
| <a name="225" href="#225">225</a> <em class="jxr_comment">// no stylesheet found -> conduct content</em> |
| <a name="226" href="#226">226</a> resp.setContentType(conn.getContentType()); |
| <a name="227" href="#227">227</a> out = <strong class="jxr_keyword">new</strong> BufferedOutputStream(resp.getOutputStream(), BUFFER_SIZE); |
| <a name="228" href="#228">228</a> |
| <a name="229" href="#229">229</a> byte[] buffer = <strong class="jxr_keyword">new</strong> byte[BUFFER_SIZE]; |
| <a name="230" href="#230">230</a> <strong class="jxr_keyword">int</strong> b; |
| <a name="231" href="#231">231</a> <strong class="jxr_keyword">while</strong> ((b = in.read(buffer)) > -1) { |
| <a name="232" href="#232">232</a> out.write(buffer, 0, b); |
| <a name="233" href="#233">233</a> } |
| <a name="234" href="#234">234</a> } <strong class="jxr_keyword">else</strong> { |
| <a name="235" href="#235">235</a> <em class="jxr_comment">// apply stylesheet</em> |
| <a name="236" href="#236">236</a> TransformerFactory f = TransformerFactory.newInstance(); |
| <a name="237" href="#237">237</a> Transformer t = f.newTransformer(stylesheet); |
| <a name="238" href="#238">238</a> t.setParameter(<span class="jxr_string">"browseUrl"</span>, getServletUrl(req) + <span class="jxr_string">"?"</span> + PARAM_URL + <span class="jxr_string">"="</span>); |
| <a name="239" href="#239">239</a> t.setParameter(<span class="jxr_string">"auxRoot"</span>, getAuxRoot(req, fAuxRoot)); |
| <a name="240" href="#240">240</a> t.setParameter(<span class="jxr_string">"browseOverrideStylesheet"</span>, <span class="jxr_string">"&"</span> + PARAM_OVERRIDE_STYLESHEET + <span class="jxr_string">"="</span>); |
| <a name="241" href="#241">241</a> |
| <a name="242" href="#242">242</a> resp.setContentType(<span class="jxr_string">"text/html"</span>); |
| <a name="243" href="#243">243</a> out = <strong class="jxr_keyword">new</strong> BufferedOutputStream(resp.getOutputStream(), BUFFER_SIZE); |
| <a name="244" href="#244">244</a> |
| <a name="245" href="#245">245</a> Source s = <strong class="jxr_keyword">new</strong> StreamSource(in); |
| <a name="246" href="#246">246</a> Result r = <strong class="jxr_keyword">new</strong> StreamResult(out); |
| <a name="247" href="#247">247</a> t.transform(s, r); |
| <a name="248" href="#248">248</a> } |
| <a name="249" href="#249">249</a> |
| <a name="250" href="#250">250</a> <strong class="jxr_keyword">try</strong> { |
| <a name="251" href="#251">251</a> out.flush(); |
| <a name="252" href="#252">252</a> out.close(); |
| <a name="253" href="#253">253</a> } <strong class="jxr_keyword">catch</strong> (Exception e) { |
| <a name="254" href="#254">254</a> } |
| <a name="255" href="#255">255</a> |
| <a name="256" href="#256">256</a> <strong class="jxr_keyword">try</strong> { |
| <a name="257" href="#257">257</a> in.close(); |
| <a name="258" href="#258">258</a> } <strong class="jxr_keyword">catch</strong> (Exception e) { |
| <a name="259" href="#259">259</a> } |
| <a name="260" href="#260">260</a> } <strong class="jxr_keyword">catch</strong> (Exception e) { |
| <a name="261" href="#261">261</a> printError(req, resp, e.getMessage(), e); |
| <a name="262" href="#262">262</a> <strong class="jxr_keyword">return</strong>; |
| <a name="263" href="#263">263</a> } |
| <a name="264" href="#264">264</a> } |
| <a name="265" href="#265">265</a> |
| <a name="266" href="#266">266</a> <em class="jxr_comment">// ---- utilities ----</em> |
| <a name="267" href="#267">267</a> |
| <a name="268" href="#268">268</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="269" href="#269">269</a> <em class="jxr_javadoccomment"> * Assigns a stylesheet to a content type.</em> |
| <a name="270" href="#270">270</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="271" href="#271">271</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> addStylesheet(String contentType, Source source, <strong class="jxr_keyword">boolean</strong> override) { |
| <a name="272" href="#272">272</a> <strong class="jxr_keyword">if</strong> ((contentType == <strong class="jxr_keyword">null</strong>) || (source == <strong class="jxr_keyword">null</strong>)) { |
| <a name="273" href="#273">273</a> <strong class="jxr_keyword">return</strong>; |
| <a name="274" href="#274">274</a> } |
| <a name="275" href="#275">275</a> |
| <a name="276" href="#276">276</a> <strong class="jxr_keyword">if</strong> (override) { |
| <a name="277" href="#277">277</a> fOverrideStyleSheets.put(contentType.trim().toLowerCase(), source); |
| <a name="278" href="#278">278</a> } <strong class="jxr_keyword">else</strong> { |
| <a name="279" href="#279">279</a> fStyleSheets.put(contentType.trim().toLowerCase(), source); |
| <a name="280" href="#280">280</a> } |
| <a name="281" href="#281">281</a> } |
| <a name="282" href="#282">282</a> |
| <a name="283" href="#283">283</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="284" href="#284">284</a> <em class="jxr_javadoccomment"> * Returns the stylesheet for the given override stylesheet, if there is is</em> |
| <a name="285" href="#285">285</a> <em class="jxr_javadoccomment"> * not override stylesheet given then the stylesheet for the given content</em> |
| <a name="286" href="#286">286</a> <em class="jxr_javadoccomment"> * type or <code>null</code> if no stylesheet is assigned to content type.</em> |
| <a name="287" href="#287">287</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="288" href="#288">288</a> <strong class="jxr_keyword">private</strong> Source getStylesheet(String contentType, String overrideStylesheet) { |
| <a name="289" href="#289">289</a> <strong class="jxr_keyword">if</strong> (contentType == <strong class="jxr_keyword">null</strong>) { |
| <a name="290" href="#290">290</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>; |
| <a name="291" href="#291">291</a> } |
| <a name="292" href="#292">292</a> |
| <a name="293" href="#293">293</a> Source source = <strong class="jxr_keyword">null</strong>; |
| <a name="294" href="#294">294</a> |
| <a name="295" href="#295">295</a> <em class="jxr_comment">// First check if there is an override given and it has a match.</em> |
| <a name="296" href="#296">296</a> <strong class="jxr_keyword">if</strong> (overrideStylesheet != <strong class="jxr_keyword">null</strong> && overrideStylesheet.length() > 0) { |
| <a name="297" href="#297">297</a> source = fOverrideStyleSheets.get(overrideStylesheet); |
| <a name="298" href="#298">298</a> } |
| <a name="299" href="#299">299</a> |
| <a name="300" href="#300">300</a> <em class="jxr_comment">// If there is not match then check the content type map.</em> |
| <a name="301" href="#301">301</a> <strong class="jxr_keyword">if</strong> (source == <strong class="jxr_keyword">null</strong>) { |
| <a name="302" href="#302">302</a> String[] ctp = contentType.trim().toLowerCase().split(<span class="jxr_string">";"</span>); |
| <a name="303" href="#303">303</a> |
| <a name="304" href="#304">304</a> StringBuilder match = <strong class="jxr_keyword">new</strong> StringBuilder(); |
| <a name="305" href="#305">305</a> <strong class="jxr_keyword">int</strong> i = 0; |
| <a name="306" href="#306">306</a> <strong class="jxr_keyword">while</strong> (source == <strong class="jxr_keyword">null</strong> && i < ctp.length) { |
| <a name="307" href="#307">307</a> <strong class="jxr_keyword">if</strong> (i > 0) { |
| <a name="308" href="#308">308</a> match.append(<span class="jxr_string">";"</span>); |
| <a name="309" href="#309">309</a> } |
| <a name="310" href="#310">310</a> match.append(ctp[i]); |
| <a name="311" href="#311">311</a> source = fStyleSheets.get(match.toString()); |
| <a name="312" href="#312">312</a> i++; |
| <a name="313" href="#313">313</a> } |
| <a name="314" href="#314">314</a> } |
| <a name="315" href="#315">315</a> |
| <a name="316" href="#316">316</a> <strong class="jxr_keyword">return</strong> source; |
| <a name="317" href="#317">317</a> } |
| <a name="318" href="#318">318</a> |
| <a name="319" href="#319">319</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="320" href="#320">320</a> <em class="jxr_javadoccomment"> * Returns the context URL of this servlet.</em> |
| <a name="321" href="#321">321</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="322" href="#322">322</a> <strong class="jxr_keyword">private</strong> String getContextUrl(HttpServletRequest request) { |
| <a name="323" href="#323">323</a> String scheme = request.getScheme(); |
| <a name="324" href="#324">324</a> <strong class="jxr_keyword">int</strong> port = request.getServerPort(); |
| <a name="325" href="#325">325</a> |
| <a name="326" href="#326">326</a> <strong class="jxr_keyword">if</strong> (<span class="jxr_string">"http"</span>.equals(scheme) && (port == 80)) { |
| <a name="327" href="#327">327</a> port = -1; |
| <a name="328" href="#328">328</a> } |
| <a name="329" href="#329">329</a> <strong class="jxr_keyword">if</strong> (<span class="jxr_string">"https"</span>.equals(scheme) && (port == 443)) { |
| <a name="330" href="#330">330</a> port = -1; |
| <a name="331" href="#331">331</a> } |
| <a name="332" href="#332">332</a> |
| <a name="333" href="#333">333</a> <strong class="jxr_keyword">return</strong> scheme + <span class="jxr_string">"://"</span> + request.getServerName() + (port > 0 ? <span class="jxr_string">":"</span> + port : <span class="jxr_string">""</span>) + request.getContextPath(); |
| <a name="334" href="#334">334</a> } |
| <a name="335" href="#335">335</a> |
| <a name="336" href="#336">336</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="337" href="#337">337</a> <em class="jxr_javadoccomment"> * Returns the URL of this servlet.</em> |
| <a name="338" href="#338">338</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="339" href="#339">339</a> <strong class="jxr_keyword">private</strong> String getServletUrl(HttpServletRequest request) { |
| <a name="340" href="#340">340</a> <strong class="jxr_keyword">return</strong> getContextUrl(request) + request.getServletPath(); |
| <a name="341" href="#341">341</a> } |
| <a name="342" href="#342">342</a> |
| <a name="343" href="#343">343</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="344" href="#344">344</a> <em class="jxr_javadoccomment"> * Returns the root URL of auxiliary files.</em> |
| <a name="345" href="#345">345</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="346" href="#346">346</a> <strong class="jxr_keyword">private</strong> String getAuxRoot(HttpServletRequest request, String auxRoot) { |
| <a name="347" href="#347">347</a> <strong class="jxr_keyword">if</strong> (auxRoot == <strong class="jxr_keyword">null</strong>) { |
| <a name="348" href="#348">348</a> <strong class="jxr_keyword">return</strong> getContextUrl(request); |
| <a name="349" href="#349">349</a> } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (auxRoot.startsWith(CONTEXT_PREFIX)) { |
| <a name="350" href="#350">350</a> <strong class="jxr_keyword">return</strong> getContextUrl(request) + auxRoot.substring(CONTEXT_PREFIX.length()); |
| <a name="351" href="#351">351</a> } <strong class="jxr_keyword">else</strong> { |
| <a name="352" href="#352">352</a> <strong class="jxr_keyword">return</strong> auxRoot; |
| <a name="353" href="#353">353</a> } |
| <a name="354" href="#354">354</a> } |
| <a name="355" href="#355">355</a> |
| <a name="356" href="#356">356</a> <em class="jxr_comment">// --- HTML methods ----</em> |
| <a name="357" href="#357">357</a> |
| <a name="358" href="#358">358</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="359" href="#359">359</a> <em class="jxr_javadoccomment"> * Prints a HTML header with styles.</em> |
| <a name="360" href="#360">360</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="361" href="#361">361</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> printHeader(PrintWriter pw, String title) { |
| <a name="362" href="#362">362</a> pw.print(<span class="jxr_string">"<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\""</span>); |
| <a name="363" href="#363">363</a> pw.println(<span class="jxr_string">"\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">"</span>); |
| <a name="364" href="#364">364</a> pw.println(<span class="jxr_string">"<html xmlns=\"http://www.w3.org/1999/xhtml\">"</span>); |
| <a name="365" href="#365">365</a> pw.println(<span class="jxr_string">"<head>"</span>); |
| <a name="366" href="#366">366</a> pw.println(<span class="jxr_string">"<title>"</span> + title + <span class="jxr_string">"</title>"</span>); |
| <a name="367" href="#367">367</a> pw.println(<span class="jxr_string">"<meta http-equiv=\"content-type\" content=\"text/html; charset=UTF-8\" />"</span>); |
| <a name="368" href="#368">368</a> pw.println(<span class="jxr_string">"<style type=\"text/css\">"</span>); |
| <a name="369" href="#369">369</a> pw.println(<span class="jxr_string">"body { font-family: arial,sans-serif; font-size: 10pt; }"</span>); |
| <a name="370" href="#370">370</a> pw.println(<span class="jxr_string">"div.box { background-color: #f6f1de; margin-top: 10px;"</span> |
| <a name="371" href="#371">371</a> + <span class="jxr_string">" margin-bottom: 10px; margin-left: 0px; margin-right: 0px;"</span> |
| <a name="372" href="#372">372</a> + <span class="jxr_string">" padding: 5px; border-style: solid; border-width: 1px; border-color: #888a85; }"</span>); |
| <a name="373" href="#373">373</a> pw.println(<span class="jxr_string">"</style>"</span>); |
| <a name="374" href="#374">374</a> pw.println(<span class="jxr_string">"</head>"</span>); |
| <a name="375" href="#375">375</a> pw.println(<span class="jxr_string">"<body>"</span>); |
| <a name="376" href="#376">376</a> } |
| <a name="377" href="#377">377</a> |
| <a name="378" href="#378">378</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="379" href="#379">379</a> <em class="jxr_javadoccomment"> * Prints a HTML footer.</em> |
| <a name="380" href="#380">380</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="381" href="#381">381</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> printFooter(PrintWriter pw) { |
| <a name="382" href="#382">382</a> pw.println(<span class="jxr_string">"</body>"</span>); |
| <a name="383" href="#383">383</a> pw.println(<span class="jxr_string">"</html>"</span>); |
| <a name="384" href="#384">384</a> } |
| <a name="385" href="#385">385</a> |
| <a name="386" href="#386">386</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="387" href="#387">387</a> <em class="jxr_javadoccomment"> * Prints a HTML error message.</em> |
| <a name="388" href="#388">388</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="389" href="#389">389</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> printError(HttpServletRequest req, HttpServletResponse resp, String message, Exception e) |
| <a name="390" href="#390">390</a> <strong class="jxr_keyword">throws</strong> IOException { |
| <a name="391" href="#391">391</a> resp.setContentType(<span class="jxr_string">"text/html;charset=utf-8"</span>); |
| <a name="392" href="#392">392</a> PrintWriter pw = resp.getWriter(); |
| <a name="393" href="#393">393</a> |
| <a name="394" href="#394">394</a> printHeader(pw, <span class="jxr_string">"Error"</span>); |
| <a name="395" href="#395">395</a> pw.println(<span class="jxr_string">"<div class=\"box\">"</span>); |
| <a name="396" href="#396">396</a> pw.println(<span class="jxr_string">"<h3>"</span> + message + <span class="jxr_string">"</h3>"</span>); |
| <a name="397" href="#397">397</a> |
| <a name="398" href="#398">398</a> <strong class="jxr_keyword">if</strong> (e != <strong class="jxr_keyword">null</strong>) { |
| <a name="399" href="#399">399</a> pw.print(<span class="jxr_string">"<pre>"</span>); |
| <a name="400" href="#400">400</a> e.printStackTrace(pw); |
| <a name="401" href="#401">401</a> pw.println(<span class="jxr_string">"</pre>"</span>); |
| <a name="402" href="#402">402</a> } |
| <a name="403" href="#403">403</a> |
| <a name="404" href="#404">404</a> pw.println(<span class="jxr_string">"</div>"</span>); |
| <a name="405" href="#405">405</a> printFooter(pw); |
| <a name="406" href="#406">406</a> } |
| <a name="407" href="#407">407</a> |
| <a name="408" href="#408">408</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="409" href="#409">409</a> <em class="jxr_javadoccomment"> * Prints an HTML input box.</em> |
| <a name="410" href="#410">410</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="411" href="#411">411</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> printInput(HttpServletRequest req, HttpServletResponse resp) <strong class="jxr_keyword">throws</strong> IOException { |
| <a name="412" href="#412">412</a> resp.setContentType(<span class="jxr_string">"text/html;charset=utf-8"</span>); |
| <a name="413" href="#413">413</a> PrintWriter pw = resp.getWriter(); |
| <a name="414" href="#414">414</a> |
| <a name="415" href="#415">415</a> printHeader(pw, <span class="jxr_string">"OpenCMIS Browser"</span>); |
| <a name="416" href="#416">416</a> pw.println(<span class="jxr_string">"<img src=\""</span> + getAuxRoot(req, fAuxRoot) + <span class="jxr_string">"cmis.png\" "</span> + <span class="jxr_string">"style=\"float: right;\" />"</span>); |
| <a name="417" href="#417">417</a> pw.println(<span class="jxr_string">"<h1 style=\"font-family: Georgia;\">OpenCMIS Browser</h1>"</span>); |
| <a name="418" href="#418">418</a> pw.println(<span class="jxr_string">"<div class=\"box\">"</span>); |
| <a name="419" href="#419">419</a> pw.println(<span class="jxr_string">"<form action=\"\" method=\"GET\">"</span>); |
| <a name="420" href="#420">420</a> pw.println(<span class="jxr_string">"CMIS AtomPub URL: "</span>); |
| <a name="421" href="#421">421</a> pw.println(<span class="jxr_string">"<input name=\"url\" type=\"text\" size=\"100\" value=\"\"/>"</span>); |
| <a name="422" href="#422">422</a> pw.println(<span class="jxr_string">"<input type=\"submit\" value=\" GO \"/>"</span>); |
| <a name="423" href="#423">423</a> pw.println(<span class="jxr_string">"</form>"</span>); |
| <a name="424" href="#424">424</a> pw.println(<span class="jxr_string">"</div>"</span>); |
| <a name="425" href="#425">425</a> printFooter(pw); |
| <a name="426" href="#426">426</a> } |
| <a name="427" href="#427">427</a> } |
| </pre> |
| <hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body> |
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