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apache / chemistry-site / 19af7d0fa4e1872c926a0e153c3f24d6bc996bae / . / content / java / 0.7.0 / maven / chemistry-opencmis-server / chemistry-opencmis-server-bindings / xref / org / apache / chemistry / opencmis / server / impl / CmisRepositoryContextListener.html
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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.server.impl;
<a name="20" href="#20">20</a>
<a name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> java.io.IOException;
<a name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> java.io.InputStream;
<a name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> java.util.Enumeration;
<a name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> java.util.HashMap;
<a name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> java.util.Map;
<a name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> java.util.Properties;
<a name="27" href="#27">27</a>
<a name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> javax.servlet.ServletContextEvent;
<a name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> javax.servlet.ServletContextListener;
<a name="30" href="#30">30</a>
<a name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> org.apache.chemistry.opencmis.commons.server.CmisServiceFactory;
<a name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.Log;
<a name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> org.apache.commons.logging.LogFactory;
<a name="34" href="#34">34</a>
<a name="35" href="#35">35</a> <em class="jxr_javadoccomment">/**</em>
<a name="36" href="#36">36</a> <em class="jxr_javadoccomment"> * CMIS context listener.</em>
<a name="37" href="#37">37</a> <em class="jxr_javadoccomment"> */</em>
<a name="38" href="#38">38</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/chemistry/opencmis/server/impl/CmisRepositoryContextListener.html">CmisRepositoryContextListener</a> implements ServletContextListener {
<a name="39" href="#39">39</a>
<a name="40" href="#40">40</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String SERVICES_FACTORY = <span class="jxr_string">"org.apache.chemistry.opencmis.servicesfactory"</span>;
<a name="41" href="#41">41</a>
<a name="42" href="#42">42</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Log log = LogFactory.getLog(CmisRepositoryContextListener.<strong class="jxr_keyword">class</strong>.getName());
<a name="43" href="#43">43</a>
<a name="44" href="#44">44</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String CONFIG_INIT_PARAM = <span class="jxr_string">"org.apache.chemistry.opencmis.REPOSITORY_CONFIG_FILE"</span>;
<a name="45" href="#45">45</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String CONFIG_FILENAME = <span class="jxr_string">"/repository.properties"</span>;
<a name="46" href="#46">46</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String PROPERTY_CLASS = <span class="jxr_string">"class"</span>;
<a name="47" href="#47">47</a>
<a name="48" href="#48">48</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> contextInitialized(ServletContextEvent sce) {
<a name="49" href="#49">49</a> <em class="jxr_comment">// get config file name or use default</em>
<a name="50" href="#50">50</a> String configFilename = sce.getServletContext().getInitParameter(CONFIG_INIT_PARAM);
<a name="51" href="#51">51</a> <strong class="jxr_keyword">if</strong> (configFilename == <strong class="jxr_keyword">null</strong>) {
<a name="52" href="#52">52</a> configFilename = CONFIG_FILENAME;
<a name="53" href="#53">53</a> }
<a name="54" href="#54">54</a>
<a name="55" href="#55">55</a> <em class="jxr_comment">// create services factory</em>
<a name="56" href="#56">56</a> CmisServiceFactory factory = createServiceFactory(configFilename);
<a name="57" href="#57">57</a>
<a name="58" href="#58">58</a> <em class="jxr_comment">// set the services factory into the servlet context</em>
<a name="59" href="#59">59</a> sce.getServletContext().setAttribute(SERVICES_FACTORY, factory);
<a name="60" href="#60">60</a> }
<a name="61" href="#61">61</a>
<a name="62" href="#62">62</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> contextDestroyed(ServletContextEvent sce) {
<a name="63" href="#63">63</a> <em class="jxr_comment">// destroy services factory</em>
<a name="64" href="#64">64</a> CmisServiceFactory factory = (CmisServiceFactory) sce.getServletContext().getAttribute(SERVICES_FACTORY);
<a name="65" href="#65">65</a> <strong class="jxr_keyword">if</strong> (factory != <strong class="jxr_keyword">null</strong>) {
<a name="66" href="#66">66</a> factory.destroy();
<a name="67" href="#67">67</a> }
<a name="68" href="#68">68</a> }
<a name="69" href="#69">69</a>
<a name="70" href="#70">70</a> <em class="jxr_javadoccomment">/**</em>
<a name="71" href="#71">71</a> <em class="jxr_javadoccomment"> * Creates a service factory.</em>
<a name="72" href="#72">72</a> <em class="jxr_javadoccomment"> */</em>
<a name="73" href="#73">73</a> <strong class="jxr_keyword">private</strong> CmisServiceFactory createServiceFactory(String filename) {
<a name="74" href="#74">74</a> <em class="jxr_comment">// load properties</em>
<a name="75" href="#75">75</a> InputStream stream = <strong class="jxr_keyword">this</strong>.getClass().getResourceAsStream(filename);
<a name="76" href="#76">76</a>
<a name="77" href="#77">77</a> <strong class="jxr_keyword">if</strong> (stream == <strong class="jxr_keyword">null</strong>) {
<a name="78" href="#78">78</a> log.warn(<span class="jxr_string">"Cannot find configuration!"</span>);
<a name="79" href="#79">79</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a name="80" href="#80">80</a> }
<a name="81" href="#81">81</a>
<a name="82" href="#82">82</a> Properties props = <strong class="jxr_keyword">new</strong> Properties();
<a name="83" href="#83">83</a> <strong class="jxr_keyword">try</strong> {
<a name="84" href="#84">84</a> props.load(stream);
<a name="85" href="#85">85</a> } <strong class="jxr_keyword">catch</strong> (IOException e) {
<a name="86" href="#86">86</a> log.warn(<span class="jxr_string">"Cannot load configuration: "</span> + e, e);
<a name="87" href="#87">87</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a name="88" href="#88">88</a> } <strong class="jxr_keyword">finally</strong> {
<a name="89" href="#89">89</a> <strong class="jxr_keyword">try</strong> {
<a name="90" href="#90">90</a> stream.close();
<a name="91" href="#91">91</a> } <strong class="jxr_keyword">catch</strong> (IOException ioe) {
<a name="92" href="#92">92</a> }
<a name="93" href="#93">93</a> }
<a name="94" href="#94">94</a>
<a name="95" href="#95">95</a> <em class="jxr_comment">// get 'class' property</em>
<a name="96" href="#96">96</a> String className = props.getProperty(PROPERTY_CLASS);
<a name="97" href="#97">97</a> <strong class="jxr_keyword">if</strong> (className == <strong class="jxr_keyword">null</strong>) {
<a name="98" href="#98">98</a> log.warn(<span class="jxr_string">"Configuration doesn't contain the property 'class'!"</span>);
<a name="99" href="#99">99</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a name="100" href="#100">100</a> }
<a name="101" href="#101">101</a>
<a name="102" href="#102">102</a> <em class="jxr_comment">// create a factory instance</em>
<a name="103" href="#103">103</a> Object object = <strong class="jxr_keyword">null</strong>;
<a name="104" href="#104">104</a> <strong class="jxr_keyword">try</strong> {
<a name="105" href="#105">105</a> object = Class.forName(className).newInstance();
<a name="106" href="#106">106</a> } <strong class="jxr_keyword">catch</strong> (Exception e) {
<a name="107" href="#107">107</a> log.warn(<span class="jxr_string">"Could not create a services factory instance: "</span> + e, e);
<a name="108" href="#108">108</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</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> (!(object instanceof CmisServiceFactory)) {
<a name="112" href="#112">112</a> log.warn(<span class="jxr_string">"The provided class is not an instance of CmisServiceFactory!"</span>);
<a name="113" href="#113">113</a> }
<a name="114" href="#114">114</a>
<a name="115" href="#115">115</a> CmisServiceFactory factory = (CmisServiceFactory) object;
<a name="116" href="#116">116</a>
<a name="117" href="#117">117</a> <em class="jxr_comment">// initialize factory instance</em>
<a name="118" href="#118">118</a> Map&lt;String, String&gt; parameters = <strong class="jxr_keyword">new</strong> HashMap&lt;String, String&gt;();
<a name="119" href="#119">119</a>
<a name="120" href="#120">120</a> <strong class="jxr_keyword">for</strong> (Enumeration&lt;?&gt; e = props.propertyNames(); e.hasMoreElements();) {
<a name="121" href="#121">121</a> String key = (String) e.nextElement();
<a name="122" href="#122">122</a> String value = props.getProperty(key);
<a name="123" href="#123">123</a> parameters.put(key, value);
<a name="124" href="#124">124</a> }
<a name="125" href="#125">125</a>
<a name="126" href="#126">126</a> factory.init(parameters);
<a name="127" href="#127">127</a>
<a name="128" href="#128">128</a> log.info(<span class="jxr_string">"Initialized Services Factory: "</span> + factory.getClass().getName());
<a name="129" href="#129">129</a>
<a name="130" href="#130">130</a> <strong class="jxr_keyword">return</strong> factory;
<a name="131" href="#131">131</a> }
<a name="132" href="#132">132</a> }
</pre>
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