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<a name="1" href="#1">1</a> <strong class="jxr_keyword">package</strong> org.apache.velocity.app;
<a name="2" href="#2">2</a>
<a name="3" href="#3">3</a> <em class="jxr_comment">/*</em>
<a name="4" href="#4">4</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one</em>
<a name="5" href="#5">5</a> <em class="jxr_comment"> * or more contributor license agreements. See the NOTICE file</em>
<a name="6" href="#6">6</a> <em class="jxr_comment"> * distributed with this work for additional information</em>
<a name="7" href="#7">7</a> <em class="jxr_comment"> * regarding copyright ownership. The ASF licenses this file</em>
<a name="8" href="#8">8</a> <em class="jxr_comment"> * to you under the Apache License, Version 2.0 (the</em>
<a name="9" href="#9">9</a> <em class="jxr_comment"> * "License"); you may not use this file except in compliance</em>
<a name="10" href="#10">10</a> <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em>
<a name="11" href="#11">11</a> <em class="jxr_comment"> *</em>
<a name="12" href="#12">12</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="13" href="#13">13</a> <em class="jxr_comment"> *</em>
<a name="14" href="#14">14</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing,</em>
<a name="15" href="#15">15</a> <em class="jxr_comment"> * software distributed under the License is distributed on an</em>
<a name="16" href="#16">16</a> <em class="jxr_comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em>
<a name="17" href="#17">17</a> <em class="jxr_comment"> * KIND, either express or implied. See the License for the</em>
<a name="18" href="#18">18</a> <em class="jxr_comment"> * specific language governing permissions and limitations</em>
<a name="19" href="#19">19</a> <em class="jxr_comment"> * under the License. </em>
<a name="20" href="#20">20</a> <em class="jxr_comment"> */</em>
<a name="21" href="#21">21</a>
<a name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> java.io.BufferedReader;
<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.InputStreamReader;
<a name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> java.io.Reader;
<a name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> java.io.UnsupportedEncodingException;
<a name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> java.io.Writer;
<a name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> java.util.Properties;
<a name="30" href="#30">30</a>
<a name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> org.apache.commons.collections.ExtendedProperties;
<a name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> org.apache.velocity.Template;
<a name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> org.apache.velocity.context.Context;
<a name="34" href="#34">34</a> <strong class="jxr_keyword">import</strong> org.apache.velocity.exception.MethodInvocationException;
<a name="35" href="#35">35</a> <strong class="jxr_keyword">import</strong> org.apache.velocity.exception.ParseErrorException;
<a name="36" href="#36">36</a> <strong class="jxr_keyword">import</strong> org.apache.velocity.exception.ResourceNotFoundException;
<a name="37" href="#37">37</a> <strong class="jxr_keyword">import</strong> org.apache.velocity.exception.VelocityException;
<a name="38" href="#38">38</a> <strong class="jxr_keyword">import</strong> org.apache.velocity.runtime.RuntimeConstants;
<a name="39" href="#39">39</a> <strong class="jxr_keyword">import</strong> org.apache.velocity.runtime.RuntimeSingleton;
<a name="40" href="#40">40</a> <strong class="jxr_keyword">import</strong> org.apache.velocity.runtime.log.Log;
<a name="41" href="#41">41</a>
<a name="42" href="#42">42</a> <em class="jxr_javadoccomment">/**</em>
<a name="43" href="#43">43</a> <em class="jxr_javadoccomment"> * This class provides services to the application</em>
<a name="44" href="#44">44</a> <em class="jxr_javadoccomment"> * developer, such as :</em>
<a name="45" href="#45">45</a> <em class="jxr_javadoccomment"> * &lt;ul&gt;</em>
<a name="46" href="#46">46</a> <em class="jxr_javadoccomment"> * &lt;li&gt; Simple Velocity Runtime engine initialization methods.</em>
<a name="47" href="#47">47</a> <em class="jxr_javadoccomment"> * &lt;li&gt; Functions to apply the template engine to streams and strings</em>
<a name="48" href="#48">48</a> <em class="jxr_javadoccomment"> * to allow embedding and dynamic template generation.</em>
<a name="49" href="#49">49</a> <em class="jxr_javadoccomment"> * &lt;li&gt; Methods to access Velocimacros directly.</em>
<a name="50" href="#50">50</a> <em class="jxr_javadoccomment"> * &lt;/ul&gt;</em>
<a name="51" href="#51">51</a> <em class="jxr_javadoccomment"> *</em>
<a name="52" href="#52">52</a> <em class="jxr_javadoccomment"> * &lt;br&gt;&lt;br&gt;</em>
<a name="53" href="#53">53</a> <em class="jxr_javadoccomment"> * While the most common way to use Velocity is via templates, as</em>
<a name="54" href="#54">54</a> <em class="jxr_javadoccomment"> * Velocity is a general-purpose template engine, there are other</em>
<a name="55" href="#55">55</a> <em class="jxr_javadoccomment"> * uses that Velocity is well suited for, such as processing dynamically</em>
<a name="56" href="#56">56</a> <em class="jxr_javadoccomment"> * created templates, or processing content streams.</em>
<a name="57" href="#57">57</a> <em class="jxr_javadoccomment"> *</em>
<a name="58" href="#58">58</a> <em class="jxr_javadoccomment"> * &lt;br&gt;&lt;br&gt;</em>
<a name="59" href="#59">59</a> <em class="jxr_javadoccomment"> * The methods herein were developed to allow easy access to the Velocity</em>
<a name="60" href="#60">60</a> <em class="jxr_javadoccomment"> * facilities without direct spelunking of the internals. If there is</em>
<a name="61" href="#61">61</a> <em class="jxr_javadoccomment"> * something you feel is necessary to add here, please, send a patch.</em>
<a name="62" href="#62">62</a> <em class="jxr_javadoccomment"> *</em>
<a name="63" href="#63">63</a> <em class="jxr_javadoccomment"> * @author &lt;a href="<a href="mailto:geirm@optonline.net" target="alexandria_uri">mailto:geirm@optonline.net</a>"&gt;Geir Magnusson Jr.&lt;/a&gt;</em>
<a name="64" href="#64">64</a> <em class="jxr_javadoccomment"> * @author &lt;a href="<a href="mailto:Christoph.Reck@dlr.de" target="alexandria_uri">mailto:Christoph.Reck@dlr.de</a>"&gt;Christoph Reck&lt;/a&gt;</em>
<a name="65" href="#65">65</a> <em class="jxr_javadoccomment"> * @author &lt;a href="<a href="mailto:jvanzyl@apache.org" target="alexandria_uri">mailto:jvanzyl@apache.org</a>"&gt;Jason van Zyl&lt;/a&gt;</em>
<a name="66" href="#66">66</a> <em class="jxr_javadoccomment"> * @version $Id: Velocity.java 687177 2008-08-19 22:00:32Z nbubna $</em>
<a name="67" href="#67">67</a> <em class="jxr_javadoccomment"> */</em>
<a name="68" href="#68">68</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/velocity/app/Velocity.html">Velocity</a> implements <a href="../../../../org/apache/velocity/runtime/RuntimeConstants.html">RuntimeConstants</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"> * initialize the Velocity runtime engine, using the default</em>
<a name="72" href="#72">72</a> <em class="jxr_javadoccomment"> * properties of the Velocity distribution</em>
<a name="73" href="#73">73</a> <em class="jxr_javadoccomment"> *</em>
<a name="74" href="#74">74</a> <em class="jxr_javadoccomment"> * @throws Exception When an error during initialization occurs.</em>
<a name="75" href="#75">75</a> <em class="jxr_javadoccomment"> */</em>
<a name="76" href="#76">76</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> init()
<a name="77" href="#77">77</a> <strong class="jxr_keyword">throws</strong> Exception
<a name="78" href="#78">78</a> {
<a name="79" href="#79">79</a> RuntimeSingleton.init();
<a name="80" href="#80">80</a> }
<a name="81" href="#81">81</a>
<a name="82" href="#82">82</a> <em class="jxr_javadoccomment">/**</em>
<a name="83" href="#83">83</a> <em class="jxr_javadoccomment"> * initialize the Velocity runtime engine, using default properties</em>
<a name="84" href="#84">84</a> <em class="jxr_javadoccomment"> * plus the properties in the properties file passed in as the arg</em>
<a name="85" href="#85">85</a> <em class="jxr_javadoccomment"> *</em>
<a name="86" href="#86">86</a> <em class="jxr_javadoccomment"> * @param propsFilename file containing properties to use to initialize</em>
<a name="87" href="#87">87</a> <em class="jxr_javadoccomment"> * the Velocity runtime</em>
<a name="88" href="#88">88</a> <em class="jxr_javadoccomment"> * @throws Exception When an error during initialization occurs.</em>
<a name="89" href="#89">89</a> <em class="jxr_javadoccomment"> */</em>
<a name="90" href="#90">90</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> init( String propsFilename )
<a name="91" href="#91">91</a> <strong class="jxr_keyword">throws</strong> Exception
<a name="92" href="#92">92</a> {
<a name="93" href="#93">93</a> RuntimeSingleton.init(propsFilename);
<a name="94" href="#94">94</a> }
<a name="95" href="#95">95</a>
<a name="96" href="#96">96</a> <em class="jxr_javadoccomment">/**</em>
<a name="97" href="#97">97</a> <em class="jxr_javadoccomment"> * initialize the Velocity runtime engine, using default properties</em>
<a name="98" href="#98">98</a> <em class="jxr_javadoccomment"> * plus the properties in the passed in java.util.Properties object</em>
<a name="99" href="#99">99</a> <em class="jxr_javadoccomment"> *</em>
<a name="100" href="#100">100</a> <em class="jxr_javadoccomment"> * @param p Properties object containing initialization properties</em>
<a name="101" href="#101">101</a> <em class="jxr_javadoccomment"> * @throws Exception When an error during initialization occurs.</em>
<a name="102" href="#102">102</a> <em class="jxr_javadoccomment"> *</em>
<a name="103" href="#103">103</a> <em class="jxr_javadoccomment"> */</em>
<a name="104" href="#104">104</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> init( Properties p )
<a name="105" href="#105">105</a> <strong class="jxr_keyword">throws</strong> Exception
<a name="106" href="#106">106</a> {
<a name="107" href="#107">107</a> RuntimeSingleton.init( p );
<a name="108" href="#108">108</a> }
<a name="109" href="#109">109</a>
<a name="110" href="#110">110</a> <em class="jxr_javadoccomment">/**</em>
<a name="111" href="#111">111</a> <em class="jxr_javadoccomment"> * Set a Velocity Runtime property.</em>
<a name="112" href="#112">112</a> <em class="jxr_javadoccomment"> *</em>
<a name="113" href="#113">113</a> <em class="jxr_javadoccomment"> * @param key The property key.</em>
<a name="114" href="#114">114</a> <em class="jxr_javadoccomment"> * @param value The property value.</em>
<a name="115" href="#115">115</a> <em class="jxr_javadoccomment"> */</em>
<a name="116" href="#116">116</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> setProperty(String key, Object value)
<a name="117" href="#117">117</a> {
<a name="118" href="#118">118</a> RuntimeSingleton.setProperty(key,value);
<a name="119" href="#119">119</a> }
<a name="120" href="#120">120</a>
<a name="121" href="#121">121</a> <em class="jxr_javadoccomment">/**</em>
<a name="122" href="#122">122</a> <em class="jxr_javadoccomment"> * Add a Velocity Runtime property.</em>
<a name="123" href="#123">123</a> <em class="jxr_javadoccomment"> *</em>
<a name="124" href="#124">124</a> <em class="jxr_javadoccomment"> * @param key The property key.</em>
<a name="125" href="#125">125</a> <em class="jxr_javadoccomment"> * @param value The property value.</em>
<a name="126" href="#126">126</a> <em class="jxr_javadoccomment"> */</em>
<a name="127" href="#127">127</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> addProperty(String key, Object value)
<a name="128" href="#128">128</a> {
<a name="129" href="#129">129</a> RuntimeSingleton.addProperty(key,value);
<a name="130" href="#130">130</a> }
<a name="131" href="#131">131</a>
<a name="132" href="#132">132</a> <em class="jxr_javadoccomment">/**</em>
<a name="133" href="#133">133</a> <em class="jxr_javadoccomment"> * Clear a Velocity Runtime property.</em>
<a name="134" href="#134">134</a> <em class="jxr_javadoccomment"> *</em>
<a name="135" href="#135">135</a> <em class="jxr_javadoccomment"> * @param key of property to clear</em>
<a name="136" href="#136">136</a> <em class="jxr_javadoccomment"> */</em>
<a name="137" href="#137">137</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> clearProperty(String key)
<a name="138" href="#138">138</a> {
<a name="139" href="#139">139</a> RuntimeSingleton.clearProperty(key);
<a name="140" href="#140">140</a> }
<a name="141" href="#141">141</a>
<a name="142" href="#142">142</a> <em class="jxr_javadoccomment">/**</em>
<a name="143" href="#143">143</a> <em class="jxr_javadoccomment"> * Set an entire configuration at once. This is</em>
<a name="144" href="#144">144</a> <em class="jxr_javadoccomment"> * useful in cases where the parent application uses</em>
<a name="145" href="#145">145</a> <em class="jxr_javadoccomment"> * the ExtendedProperties class and the velocity configuration</em>
<a name="146" href="#146">146</a> <em class="jxr_javadoccomment"> * is a subset of the parent application's configuration.</em>
<a name="147" href="#147">147</a> <em class="jxr_javadoccomment"> *</em>
<a name="148" href="#148">148</a> <em class="jxr_javadoccomment"> * @param configuration A configuration object.</em>
<a name="149" href="#149">149</a> <em class="jxr_javadoccomment"> *</em>
<a name="150" href="#150">150</a> <em class="jxr_javadoccomment"> */</em>
<a name="151" href="#151">151</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> setExtendedProperties( ExtendedProperties configuration)
<a name="152" href="#152">152</a> {
<a name="153" href="#153">153</a> RuntimeSingleton.setConfiguration( configuration );
<a name="154" href="#154">154</a> }
<a name="155" href="#155">155</a>
<a name="156" href="#156">156</a> <em class="jxr_javadoccomment">/**</em>
<a name="157" href="#157">157</a> <em class="jxr_javadoccomment"> * Get a Velocity Runtime property.</em>
<a name="158" href="#158">158</a> <em class="jxr_javadoccomment"> *</em>
<a name="159" href="#159">159</a> <em class="jxr_javadoccomment"> * @param key property to retrieve</em>
<a name="160" href="#160">160</a> <em class="jxr_javadoccomment"> * @return property value or null if the property</em>
<a name="161" href="#161">161</a> <em class="jxr_javadoccomment"> * not currently set</em>
<a name="162" href="#162">162</a> <em class="jxr_javadoccomment"> */</em>
<a name="163" href="#163">163</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> Object getProperty( String key )
<a name="164" href="#164">164</a> {
<a name="165" href="#165">165</a> <strong class="jxr_keyword">return</strong> RuntimeSingleton.getProperty( key );
<a name="166" href="#166">166</a> }
<a name="167" href="#167">167</a>
<a name="168" href="#168">168</a> <em class="jxr_javadoccomment">/**</em>
<a name="169" href="#169">169</a> <em class="jxr_javadoccomment"> * renders the input string using the context into the output writer.</em>
<a name="170" href="#170">170</a> <em class="jxr_javadoccomment"> * To be used when a template is dynamically constructed, or want to use</em>
<a name="171" href="#171">171</a> <em class="jxr_javadoccomment"> * Velocity as a token replacer.</em>
<a name="172" href="#172">172</a> <em class="jxr_javadoccomment"> *</em>
<a name="173" href="#173">173</a> <em class="jxr_javadoccomment"> * @param context context to use in rendering input string</em>
<a name="174" href="#174">174</a> <em class="jxr_javadoccomment"> * @param out Writer in which to render the output</em>
<a name="175" href="#175">175</a> <em class="jxr_javadoccomment"> * @param logTag string to be used as the template name for log</em>
<a name="176" href="#176">176</a> <em class="jxr_javadoccomment"> * messages in case of error</em>
<a name="177" href="#177">177</a> <em class="jxr_javadoccomment"> * @param instring input string containing the VTL to be rendered</em>
<a name="178" href="#178">178</a> <em class="jxr_javadoccomment"> *</em>
<a name="179" href="#179">179</a> <em class="jxr_javadoccomment"> * @return true if successful, false otherwise. If false, see</em>
<a name="180" href="#180">180</a> <em class="jxr_javadoccomment"> * Velocity runtime log</em>
<a name="181" href="#181">181</a> <em class="jxr_javadoccomment"> * @throws ParseErrorException The template could not be parsed.</em>
<a name="182" href="#182">182</a> <em class="jxr_javadoccomment"> * @throws MethodInvocationException A method on a context object could not be invoked.</em>
<a name="183" href="#183">183</a> <em class="jxr_javadoccomment"> * @throws ResourceNotFoundException A referenced resource could not be loaded.</em>
<a name="184" href="#184">184</a> <em class="jxr_javadoccomment"> * @throws IOException While rendering to the writer, an I/O problem occured.</em>
<a name="185" href="#185">185</a> <em class="jxr_javadoccomment"> */</em>
<a name="186" href="#186">186</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> evaluate( Context context, Writer out,
<a name="187" href="#187">187</a> String logTag, String instring )
<a name="188" href="#188">188</a> <strong class="jxr_keyword">throws</strong> ParseErrorException, MethodInvocationException,
<a name="189" href="#189">189</a> ResourceNotFoundException, IOException
<a name="190" href="#190">190</a> {
<a name="191" href="#191">191</a> <strong class="jxr_keyword">return</strong> RuntimeSingleton.getRuntimeServices()
<a name="192" href="#192">192</a> .evaluate(context, out, logTag, instring);
<a name="193" href="#193">193</a> }
<a name="194" href="#194">194</a>
<a name="195" href="#195">195</a> <em class="jxr_javadoccomment">/**</em>
<a name="196" href="#196">196</a> <em class="jxr_javadoccomment"> * Renders the input stream using the context into the output writer.</em>
<a name="197" href="#197">197</a> <em class="jxr_javadoccomment"> * To be used when a template is dynamically constructed, or want to</em>
<a name="198" href="#198">198</a> <em class="jxr_javadoccomment"> * use Velocity as a token replacer.</em>
<a name="199" href="#199">199</a> <em class="jxr_javadoccomment"> *</em>
<a name="200" href="#200">200</a> <em class="jxr_javadoccomment"> * @param context context to use in rendering input string</em>
<a name="201" href="#201">201</a> <em class="jxr_javadoccomment"> * @param writer Writer in which to render the output</em>
<a name="202" href="#202">202</a> <em class="jxr_javadoccomment"> * @param logTag string to be used as the template name for log messages</em>
<a name="203" href="#203">203</a> <em class="jxr_javadoccomment"> * in case of error</em>
<a name="204" href="#204">204</a> <em class="jxr_javadoccomment"> * @param instream input stream containing the VTL to be rendered</em>
<a name="205" href="#205">205</a> <em class="jxr_javadoccomment"> *</em>
<a name="206" href="#206">206</a> <em class="jxr_javadoccomment"> * @return true if successful, false otherwise. If false, see</em>
<a name="207" href="#207">207</a> <em class="jxr_javadoccomment"> * Velocity runtime log</em>
<a name="208" href="#208">208</a> <em class="jxr_javadoccomment"> * @deprecated Use</em>
<a name="209" href="#209">209</a> <em class="jxr_javadoccomment"> * {@link #evaluate( Context context, Writer writer,</em>
<a name="210" href="#210">210</a> <em class="jxr_javadoccomment"> * String logTag, Reader reader ) }</em>
<a name="211" href="#211">211</a> <em class="jxr_javadoccomment"> * @throws ParseErrorException The template could not be parsed.</em>
<a name="212" href="#212">212</a> <em class="jxr_javadoccomment"> * @throws MethodInvocationException A method on a context object could not be invoked.</em>
<a name="213" href="#213">213</a> <em class="jxr_javadoccomment"> * @throws ResourceNotFoundException A referenced resource could not be loaded.</em>
<a name="214" href="#214">214</a> <em class="jxr_javadoccomment"> * @throws IOException While loading a reference, an I/O problem occured.</em>
<a name="215" href="#215">215</a> <em class="jxr_javadoccomment"> */</em>
<a name="216" href="#216">216</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> evaluate( Context context, Writer writer,
<a name="217" href="#217">217</a> String logTag, InputStream instream )
<a name="218" href="#218">218</a> <strong class="jxr_keyword">throws</strong> ParseErrorException, MethodInvocationException,
<a name="219" href="#219">219</a> ResourceNotFoundException, IOException
<a name="220" href="#220">220</a> {
<a name="221" href="#221">221</a> <em class="jxr_comment">/*</em>
<a name="222" href="#222">222</a> <em class="jxr_comment"> * first, parse - convert ParseException if thrown</em>
<a name="223" href="#223">223</a> <em class="jxr_comment"> */</em>
<a name="224" href="#224">224</a> BufferedReader br = <strong class="jxr_keyword">null</strong>;
<a name="225" href="#225">225</a> String encoding = <strong class="jxr_keyword">null</strong>;
<a name="226" href="#226">226</a>
<a name="227" href="#227">227</a> <strong class="jxr_keyword">try</strong>
<a name="228" href="#228">228</a> {
<a name="229" href="#229">229</a> encoding = RuntimeSingleton.getString(INPUT_ENCODING,ENCODING_DEFAULT);
<a name="230" href="#230">230</a> br = <strong class="jxr_keyword">new</strong> BufferedReader( <strong class="jxr_keyword">new</strong> InputStreamReader( instream, encoding));
<a name="231" href="#231">231</a> }
<a name="232" href="#232">232</a> <strong class="jxr_keyword">catch</strong>( UnsupportedEncodingException uce )
<a name="233" href="#233">233</a> {
<a name="234" href="#234">234</a> String msg = <span class="jxr_string">"Unsupported input encoding : "</span> + encoding
<a name="235" href="#235">235</a> + <span class="jxr_string">" for template "</span> + logTag;
<a name="236" href="#236">236</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/velocity/exception/ParseErrorException.html">ParseErrorException</a>( msg );
<a name="237" href="#237">237</a> }
<a name="238" href="#238">238</a>
<a name="239" href="#239">239</a> <strong class="jxr_keyword">return</strong> evaluate( context, writer, logTag, br );
<a name="240" href="#240">240</a> }
<a name="241" href="#241">241</a>
<a name="242" href="#242">242</a> <em class="jxr_javadoccomment">/**</em>
<a name="243" href="#243">243</a> <em class="jxr_javadoccomment"> * Renders the input reader using the context into the output writer.</em>
<a name="244" href="#244">244</a> <em class="jxr_javadoccomment"> * To be used when a template is dynamically constructed, or want to</em>
<a name="245" href="#245">245</a> <em class="jxr_javadoccomment"> * use Velocity as a token replacer.</em>
<a name="246" href="#246">246</a> <em class="jxr_javadoccomment"> *</em>
<a name="247" href="#247">247</a> <em class="jxr_javadoccomment"> * @param context context to use in rendering input string</em>
<a name="248" href="#248">248</a> <em class="jxr_javadoccomment"> * @param writer Writer in which to render the output</em>
<a name="249" href="#249">249</a> <em class="jxr_javadoccomment"> * @param logTag string to be used as the template name for log messages</em>
<a name="250" href="#250">250</a> <em class="jxr_javadoccomment"> * in case of error</em>
<a name="251" href="#251">251</a> <em class="jxr_javadoccomment"> * @param reader Reader containing the VTL to be rendered</em>
<a name="252" href="#252">252</a> <em class="jxr_javadoccomment"> *</em>
<a name="253" href="#253">253</a> <em class="jxr_javadoccomment"> * @return true if successful, false otherwise. If false, see</em>
<a name="254" href="#254">254</a> <em class="jxr_javadoccomment"> * Velocity runtime log</em>
<a name="255" href="#255">255</a> <em class="jxr_javadoccomment"> * @throws ParseErrorException The template could not be parsed.</em>
<a name="256" href="#256">256</a> <em class="jxr_javadoccomment"> * @throws MethodInvocationException A method on a context object could not be invoked.</em>
<a name="257" href="#257">257</a> <em class="jxr_javadoccomment"> * @throws ResourceNotFoundException A referenced resource could not be loaded.</em>
<a name="258" href="#258">258</a> <em class="jxr_javadoccomment"> * @throws IOException While reading from the reader or rendering to the writer,</em>
<a name="259" href="#259">259</a> <em class="jxr_javadoccomment"> * an I/O problem occured.</em>
<a name="260" href="#260">260</a> <em class="jxr_javadoccomment"> * @since Velocity v1.1</em>
<a name="261" href="#261">261</a> <em class="jxr_javadoccomment"> */</em>
<a name="262" href="#262">262</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> evaluate( Context context, Writer writer,
<a name="263" href="#263">263</a> String logTag, Reader reader )
<a name="264" href="#264">264</a> <strong class="jxr_keyword">throws</strong> ParseErrorException, MethodInvocationException,
<a name="265" href="#265">265</a> ResourceNotFoundException,IOException
<a name="266" href="#266">266</a> {
<a name="267" href="#267">267</a> <strong class="jxr_keyword">return</strong> RuntimeSingleton.getRuntimeServices().evaluate(context, writer,
<a name="268" href="#268">268</a> logTag, reader);
<a name="269" href="#269">269</a> }
<a name="270" href="#270">270</a>
<a name="271" href="#271">271</a> <em class="jxr_javadoccomment">/**</em>
<a name="272" href="#272">272</a> <em class="jxr_javadoccomment"> * Invokes a currently registered Velocimacro with the params provided</em>
<a name="273" href="#273">273</a> <em class="jxr_javadoccomment"> * and places the rendered stream into the writer.</em>
<a name="274" href="#274">274</a> <em class="jxr_javadoccomment"> * &lt;br&gt;</em>
<a name="275" href="#275">275</a> <em class="jxr_javadoccomment"> * Note : currently only accepts args to the VM if they are in the context.</em>
<a name="276" href="#276">276</a> <em class="jxr_javadoccomment"> *</em>
<a name="277" href="#277">277</a> <em class="jxr_javadoccomment"> * @param vmName name of Velocimacro to call</em>
<a name="278" href="#278">278</a> <em class="jxr_javadoccomment"> * @param logTag string to be used for template name in case of error. if null,</em>
<a name="279" href="#279">279</a> <em class="jxr_javadoccomment"> * the vmName will be used</em>
<a name="280" href="#280">280</a> <em class="jxr_javadoccomment"> * @param params keys for args used to invoke Velocimacro, in java format</em>
<a name="281" href="#281">281</a> <em class="jxr_javadoccomment"> * rather than VTL (eg "foo" or "bar" rather than "$foo" or "$bar")</em>
<a name="282" href="#282">282</a> <em class="jxr_javadoccomment"> * @param context Context object containing data/objects used for rendering.</em>
<a name="283" href="#283">283</a> <em class="jxr_javadoccomment"> * @param writer Writer for output stream</em>
<a name="284" href="#284">284</a> <em class="jxr_javadoccomment"> * @return true if Velocimacro exists and successfully invoked, false otherwise.</em>
<a name="285" href="#285">285</a> <em class="jxr_javadoccomment"> */</em>
<a name="286" href="#286">286</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> invokeVelocimacro( String vmName, String logTag,
<a name="287" href="#287">287</a> String params[], <a href="../../../../org/apache/velocity/context/Context.html">Context</a> context,
<a name="288" href="#288">288</a> Writer writer )
<a name="289" href="#289">289</a> {
<a name="290" href="#290">290</a> <strong class="jxr_keyword">try</strong>
<a name="291" href="#291">291</a> {
<a name="292" href="#292">292</a> <strong class="jxr_keyword">return</strong> RuntimeSingleton.getRuntimeServices()
<a name="293" href="#293">293</a> .invokeVelocimacro(vmName, logTag, params, context, writer);
<a name="294" href="#294">294</a> }
<a name="295" href="#295">295</a> <strong class="jxr_keyword">catch</strong> (IOException ioe)
<a name="296" href="#296">296</a> {
<a name="297" href="#297">297</a> String msg = <span class="jxr_string">"Velocity.invokeVelocimacro("</span>+vmName+<span class="jxr_string">") failed"</span>;
<a name="298" href="#298">298</a> getLog().error(msg, ioe);
<a name="299" href="#299">299</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/velocity/exception/VelocityException.html">VelocityException</a>(msg, ioe);
<a name="300" href="#300">300</a> }
<a name="301" href="#301">301</a> }
<a name="302" href="#302">302</a>
<a name="303" href="#303">303</a> <em class="jxr_javadoccomment">/**</em>
<a name="304" href="#304">304</a> <em class="jxr_javadoccomment"> * Merges a template and puts the rendered stream into the writer.</em>
<a name="305" href="#305">305</a> <em class="jxr_javadoccomment"> * The default encoding that Velocity uses to read template files is defined in</em>
<a name="306" href="#306">306</a> <em class="jxr_javadoccomment"> * the property input.encoding and defaults to ISO-8859-1.</em>
<a name="307" href="#307">307</a> <em class="jxr_javadoccomment"> *</em>
<a name="308" href="#308">308</a> <em class="jxr_javadoccomment"> * @param templateName name of template to be used in merge</em>
<a name="309" href="#309">309</a> <em class="jxr_javadoccomment"> * @param context filled context to be used in merge</em>
<a name="310" href="#310">310</a> <em class="jxr_javadoccomment"> * @param writer writer to write template into</em>
<a name="311" href="#311">311</a> <em class="jxr_javadoccomment"> *</em>
<a name="312" href="#312">312</a> <em class="jxr_javadoccomment"> * @return true if successful, false otherwise. Errors</em>
<a name="313" href="#313">313</a> <em class="jxr_javadoccomment"> * logged to velocity log.</em>
<a name="314" href="#314">314</a> <em class="jxr_javadoccomment"> * @deprecated Use</em>
<a name="315" href="#315">315</a> <em class="jxr_javadoccomment"> * {@link #mergeTemplate( String templateName, String encoding,</em>
<a name="316" href="#316">316</a> <em class="jxr_javadoccomment"> * Context context, Writer writer )}</em>
<a name="317" href="#317">317</a> <em class="jxr_javadoccomment"> * @throws ParseErrorException The template could not be parsed.</em>
<a name="318" href="#318">318</a> <em class="jxr_javadoccomment"> * @throws MethodInvocationException A method on a context object could not be invoked.</em>
<a name="319" href="#319">319</a> <em class="jxr_javadoccomment"> * @throws ResourceNotFoundException A referenced resource could not be loaded.</em>
<a name="320" href="#320">320</a> <em class="jxr_javadoccomment"> * @throws Exception Any other exception.</em>
<a name="321" href="#321">321</a> <em class="jxr_javadoccomment"> */</em>
<a name="322" href="#322">322</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> mergeTemplate( String templateName,
<a name="323" href="#323">323</a> <a href="../../../../org/apache/velocity/context/Context.html">Context</a> context, Writer writer )
<a name="324" href="#324">324</a> <strong class="jxr_keyword">throws</strong> ResourceNotFoundException, ParseErrorException, MethodInvocationException, Exception
<a name="325" href="#325">325</a> {
<a name="326" href="#326">326</a> <strong class="jxr_keyword">return</strong> mergeTemplate( templateName, RuntimeSingleton.getString(INPUT_ENCODING,ENCODING_DEFAULT),
<a name="327" href="#327">327</a> context, writer );
<a name="328" href="#328">328</a> }
<a name="329" href="#329">329</a>
<a name="330" href="#330">330</a> <em class="jxr_javadoccomment">/**</em>
<a name="331" href="#331">331</a> <em class="jxr_javadoccomment"> * merges a template and puts the rendered stream into the writer</em>
<a name="332" href="#332">332</a> <em class="jxr_javadoccomment"> *</em>
<a name="333" href="#333">333</a> <em class="jxr_javadoccomment"> * @param templateName name of template to be used in merge</em>
<a name="334" href="#334">334</a> <em class="jxr_javadoccomment"> * @param encoding encoding used in template</em>
<a name="335" href="#335">335</a> <em class="jxr_javadoccomment"> * @param context filled context to be used in merge</em>
<a name="336" href="#336">336</a> <em class="jxr_javadoccomment"> * @param writer writer to write template into</em>
<a name="337" href="#337">337</a> <em class="jxr_javadoccomment"> *</em>
<a name="338" href="#338">338</a> <em class="jxr_javadoccomment"> * @return true if successful, false otherwise. Errors</em>
<a name="339" href="#339">339</a> <em class="jxr_javadoccomment"> * logged to velocity log</em>
<a name="340" href="#340">340</a> <em class="jxr_javadoccomment"> *</em>
<a name="341" href="#341">341</a> <em class="jxr_javadoccomment"> * @throws ParseErrorException The template could not be parsed.</em>
<a name="342" href="#342">342</a> <em class="jxr_javadoccomment"> * @throws MethodInvocationException A method on a context object could not be invoked.</em>
<a name="343" href="#343">343</a> <em class="jxr_javadoccomment"> * @throws ResourceNotFoundException A referenced resource could not be loaded.</em>
<a name="344" href="#344">344</a> <em class="jxr_javadoccomment"> * @throws Exception Any other exception.</em>
<a name="345" href="#345">345</a> <em class="jxr_javadoccomment"> *</em>
<a name="346" href="#346">346</a> <em class="jxr_javadoccomment"> * @since Velocity v1.1</em>
<a name="347" href="#347">347</a> <em class="jxr_javadoccomment"> */</em>
<a name="348" href="#348">348</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> mergeTemplate( String templateName, String encoding,
<a name="349" href="#349">349</a> <a href="../../../../org/apache/velocity/context/Context.html">Context</a> context, Writer writer )
<a name="350" href="#350">350</a> <strong class="jxr_keyword">throws</strong> ResourceNotFoundException, ParseErrorException, MethodInvocationException, Exception
<a name="351" href="#351">351</a> {
<a name="352" href="#352">352</a> <a href="../../../../org/apache/velocity/Template.html">Template</a> template = RuntimeSingleton.getTemplate(templateName, encoding);
<a name="353" href="#353">353</a>
<a name="354" href="#354">354</a> <strong class="jxr_keyword">if</strong> ( template == <strong class="jxr_keyword">null</strong> )
<a name="355" href="#355">355</a> {
<a name="356" href="#356">356</a> String msg = <span class="jxr_string">"Velocity.mergeTemplate() was unable to load template '"</span>
<a name="357" href="#357">357</a> + templateName + <span class="jxr_string">"'"</span>;
<a name="358" href="#358">358</a> getLog().error(msg);
<a name="359" href="#359">359</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/velocity/exception/ResourceNotFoundException.html">ResourceNotFoundException</a>(msg);
<a name="360" href="#360">360</a> }
<a name="361" href="#361">361</a> <strong class="jxr_keyword">else</strong>
<a name="362" href="#362">362</a> {
<a name="363" href="#363">363</a> template.merge(context, writer);
<a name="364" href="#364">364</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a name="365" href="#365">365</a> }
<a name="366" href="#366">366</a> }
<a name="367" href="#367">367</a>
<a name="368" href="#368">368</a> <em class="jxr_javadoccomment">/**</em>
<a name="369" href="#369">369</a> <em class="jxr_javadoccomment"> * Returns a &lt;code&gt;Template&lt;/code&gt; from the Velocity</em>
<a name="370" href="#370">370</a> <em class="jxr_javadoccomment"> * resource management system.</em>
<a name="371" href="#371">371</a> <em class="jxr_javadoccomment"> *</em>
<a name="372" href="#372">372</a> <em class="jxr_javadoccomment"> * @param name The file name of the desired template.</em>
<a name="373" href="#373">373</a> <em class="jxr_javadoccomment"> * @return The template.</em>
<a name="374" href="#374">374</a> <em class="jxr_javadoccomment"> * @throws ResourceNotFoundException if template not found</em>
<a name="375" href="#375">375</a> <em class="jxr_javadoccomment"> * from any available source.</em>
<a name="376" href="#376">376</a> <em class="jxr_javadoccomment"> * @throws ParseErrorException if template cannot be parsed due</em>
<a name="377" href="#377">377</a> <em class="jxr_javadoccomment"> * to syntax (or other) error.</em>
<a name="378" href="#378">378</a> <em class="jxr_javadoccomment"> * @throws Exception if an error occurs in template initialization</em>
<a name="379" href="#379">379</a> <em class="jxr_javadoccomment"> */</em>
<a name="380" href="#380">380</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../org/apache/velocity/Template.html">Template</a> getTemplate(String name)
<a name="381" href="#381">381</a> <strong class="jxr_keyword">throws</strong> ResourceNotFoundException, ParseErrorException, Exception
<a name="382" href="#382">382</a> {
<a name="383" href="#383">383</a> <strong class="jxr_keyword">return</strong> RuntimeSingleton.getTemplate( name );
<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"> * Returns a &lt;code&gt;Template&lt;/code&gt; from the Velocity</em>
<a name="388" href="#388">388</a> <em class="jxr_javadoccomment"> * resource management system.</em>
<a name="389" href="#389">389</a> <em class="jxr_javadoccomment"> *</em>
<a name="390" href="#390">390</a> <em class="jxr_javadoccomment"> * @param name The file name of the desired template.</em>
<a name="391" href="#391">391</a> <em class="jxr_javadoccomment"> * @param encoding The character encoding to use for the template.</em>
<a name="392" href="#392">392</a> <em class="jxr_javadoccomment"> * @return The template.</em>
<a name="393" href="#393">393</a> <em class="jxr_javadoccomment"> * @throws ResourceNotFoundException if template not found</em>
<a name="394" href="#394">394</a> <em class="jxr_javadoccomment"> * from any available source.</em>
<a name="395" href="#395">395</a> <em class="jxr_javadoccomment"> * @throws ParseErrorException if template cannot be parsed due</em>
<a name="396" href="#396">396</a> <em class="jxr_javadoccomment"> * to syntax (or other) error.</em>
<a name="397" href="#397">397</a> <em class="jxr_javadoccomment"> * @throws Exception if an error occurs in template initialization</em>
<a name="398" href="#398">398</a> <em class="jxr_javadoccomment"> *</em>
<a name="399" href="#399">399</a> <em class="jxr_javadoccomment"> * @since Velocity v1.1</em>
<a name="400" href="#400">400</a> <em class="jxr_javadoccomment"> */</em>
<a name="401" href="#401">401</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../org/apache/velocity/Template.html">Template</a> getTemplate(String name, String encoding)
<a name="402" href="#402">402</a> <strong class="jxr_keyword">throws</strong> ResourceNotFoundException, ParseErrorException, Exception
<a name="403" href="#403">403</a> {
<a name="404" href="#404">404</a> <strong class="jxr_keyword">return</strong> RuntimeSingleton.getTemplate( name, encoding );
<a name="405" href="#405">405</a> }
<a name="406" href="#406">406</a>
<a name="407" href="#407">407</a> <em class="jxr_javadoccomment">/**</em>
<a name="408" href="#408">408</a> <em class="jxr_javadoccomment"> * &lt;p&gt;Determines whether a resource is accessable via the</em>
<a name="409" href="#409">409</a> <em class="jxr_javadoccomment"> * currently configured resource loaders. {@link</em>
<a name="410" href="#410">410</a> <em class="jxr_javadoccomment"> * org.apache.velocity.runtime.resource.Resource} is the generic</em>
<a name="411" href="#411">411</a> <em class="jxr_javadoccomment"> * description of templates, static content, etc.&lt;/p&gt;</em>
<a name="412" href="#412">412</a> <em class="jxr_javadoccomment"> *</em>
<a name="413" href="#413">413</a> <em class="jxr_javadoccomment"> * &lt;p&gt;Note that the current implementation will &lt;b&gt;not&lt;/b&gt; change</em>
<a name="414" href="#414">414</a> <em class="jxr_javadoccomment"> * the state of the system in any real way - so this cannot be</em>
<a name="415" href="#415">415</a> <em class="jxr_javadoccomment"> * used to pre-load the resource cache, as the previous</em>
<a name="416" href="#416">416</a> <em class="jxr_javadoccomment"> * implementation did as a side-effect.&lt;/p&gt;</em>
<a name="417" href="#417">417</a> <em class="jxr_javadoccomment"> *</em>
<a name="418" href="#418">418</a> <em class="jxr_javadoccomment"> * @param resourceName The name of the resource to search for.</em>
<a name="419" href="#419">419</a> <em class="jxr_javadoccomment"> * @return Whether the resource was located.</em>
<a name="420" href="#420">420</a> <em class="jxr_javadoccomment"> */</em>
<a name="421" href="#421">421</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> resourceExists(String resourceName)
<a name="422" href="#422">422</a> {
<a name="423" href="#423">423</a> <strong class="jxr_keyword">return</strong> (RuntimeSingleton.getLoaderNameForResource(resourceName) != <strong class="jxr_keyword">null</strong>);
<a name="424" href="#424">424</a> }
<a name="425" href="#425">425</a>
<a name="426" href="#426">426</a> <em class="jxr_javadoccomment">/**</em>
<a name="427" href="#427">427</a> <em class="jxr_javadoccomment"> * Returns a convenient Log instance that wraps the current LogChute.</em>
<a name="428" href="#428">428</a> <em class="jxr_javadoccomment"> * Use this to log error messages. It has the usual methods.</em>
<a name="429" href="#429">429</a> <em class="jxr_javadoccomment"> *</em>
<a name="430" href="#430">430</a> <em class="jxr_javadoccomment"> * @return A convenience Log instance that wraps the current LogChute.</em>
<a name="431" href="#431">431</a> <em class="jxr_javadoccomment"> * @since 1.5</em>
<a name="432" href="#432">432</a> <em class="jxr_javadoccomment"> */</em>
<a name="433" href="#433">433</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../org/apache/velocity/runtime/log/Log.html">Log</a> getLog()
<a name="434" href="#434">434</a> {
<a name="435" href="#435">435</a> <strong class="jxr_keyword">return</strong> RuntimeSingleton.getLog();
<a name="436" href="#436">436</a> }
<a name="437" href="#437">437</a>
<a name="438" href="#438">438</a> <em class="jxr_javadoccomment">/**</em>
<a name="439" href="#439">439</a> <em class="jxr_javadoccomment"> * @deprecated Use getLog() and call warn() on it.</em>
<a name="440" href="#440">440</a> <em class="jxr_javadoccomment"> * @see Log#warn(Object)</em>
<a name="441" href="#441">441</a> <em class="jxr_javadoccomment"> * @param message The message to log.</em>
<a name="442" href="#442">442</a> <em class="jxr_javadoccomment"> */</em>
<a name="443" href="#443">443</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> warn(Object message)
<a name="444" href="#444">444</a> {
<a name="445" href="#445">445</a> getLog().warn( message );
<a name="446" href="#446">446</a> }
<a name="447" href="#447">447</a>
<a name="448" href="#448">448</a> <em class="jxr_javadoccomment">/**</em>
<a name="449" href="#449">449</a> <em class="jxr_javadoccomment"> * @deprecated Use getLog() and call info() on it.</em>
<a name="450" href="#450">450</a> <em class="jxr_javadoccomment"> * @see Log#info(Object)</em>
<a name="451" href="#451">451</a> <em class="jxr_javadoccomment"> * @param message The message to log.</em>
<a name="452" href="#452">452</a> <em class="jxr_javadoccomment"> */</em>
<a name="453" href="#453">453</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> info(Object message)
<a name="454" href="#454">454</a> {
<a name="455" href="#455">455</a> getLog().info( message );
<a name="456" href="#456">456</a> }
<a name="457" href="#457">457</a>
<a name="458" href="#458">458</a> <em class="jxr_javadoccomment">/**</em>
<a name="459" href="#459">459</a> <em class="jxr_javadoccomment"> * @deprecated Use getLog() and call error() on it.</em>
<a name="460" href="#460">460</a> <em class="jxr_javadoccomment"> * @see Log#error(Object)</em>
<a name="461" href="#461">461</a> <em class="jxr_javadoccomment"> * @param message The message to log.</em>
<a name="462" href="#462">462</a> <em class="jxr_javadoccomment"> */</em>
<a name="463" href="#463">463</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> error(Object message)
<a name="464" href="#464">464</a> {
<a name="465" href="#465">465</a> getLog().error( message );
<a name="466" href="#466">466</a> }
<a name="467" href="#467">467</a>
<a name="468" href="#468">468</a> <em class="jxr_javadoccomment">/**</em>
<a name="469" href="#469">469</a> <em class="jxr_javadoccomment"> * @deprecated Use getLog() and call debug() on it.</em>
<a name="470" href="#470">470</a> <em class="jxr_javadoccomment"> * @see Log#debug(Object)</em>
<a name="471" href="#471">471</a> <em class="jxr_javadoccomment"> * @param message The message to log.</em>
<a name="472" href="#472">472</a> <em class="jxr_javadoccomment"> */</em>
<a name="473" href="#473">473</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> debug(Object message)
<a name="474" href="#474">474</a> {
<a name="475" href="#475">475</a> getLog().debug( message );
<a name="476" href="#476">476</a> }
<a name="477" href="#477">477</a>
<a name="478" href="#478">478</a> <em class="jxr_javadoccomment">/**</em>
<a name="479" href="#479">479</a> <em class="jxr_javadoccomment"> * &lt;p&gt;</em>
<a name="480" href="#480">480</a> <em class="jxr_javadoccomment"> * Set the an ApplicationAttribue, which is an Object</em>
<a name="481" href="#481">481</a> <em class="jxr_javadoccomment"> * set by the application which is accessable from</em>
<a name="482" href="#482">482</a> <em class="jxr_javadoccomment"> * any component of the system that gets a RuntimeServices.</em>
<a name="483" href="#483">483</a> <em class="jxr_javadoccomment"> * This allows communication between the application</em>
<a name="484" href="#484">484</a> <em class="jxr_javadoccomment"> * environment and custom pluggable components of the</em>
<a name="485" href="#485">485</a> <em class="jxr_javadoccomment"> * Velocity engine, such as loaders and loggers.</em>
<a name="486" href="#486">486</a> <em class="jxr_javadoccomment"> * &lt;/p&gt;</em>
<a name="487" href="#487">487</a> <em class="jxr_javadoccomment"> *</em>
<a name="488" href="#488">488</a> <em class="jxr_javadoccomment"> * &lt;p&gt;</em>
<a name="489" href="#489">489</a> <em class="jxr_javadoccomment"> * Note that there is no enfocement or rules for the key</em>
<a name="490" href="#490">490</a> <em class="jxr_javadoccomment"> * used - it is up to the application developer. However, to</em>
<a name="491" href="#491">491</a> <em class="jxr_javadoccomment"> * help make the intermixing of components possible, using</em>
<a name="492" href="#492">492</a> <em class="jxr_javadoccomment"> * the target Class name (e.g. com.foo.bar ) as the key</em>
<a name="493" href="#493">493</a> <em class="jxr_javadoccomment"> * might help avoid collision.</em>
<a name="494" href="#494">494</a> <em class="jxr_javadoccomment"> * &lt;/p&gt;</em>
<a name="495" href="#495">495</a> <em class="jxr_javadoccomment"> *</em>
<a name="496" href="#496">496</a> <em class="jxr_javadoccomment"> * @param key object 'name' under which the object is stored</em>
<a name="497" href="#497">497</a> <em class="jxr_javadoccomment"> * @param value object to store under this key</em>
<a name="498" href="#498">498</a> <em class="jxr_javadoccomment"> */</em>
<a name="499" href="#499">499</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> setApplicationAttribute( Object key, Object value )
<a name="500" href="#500">500</a> {
<a name="501" href="#501">501</a> RuntimeSingleton.getRuntimeInstance().setApplicationAttribute( key, value);
<a name="502" href="#502">502</a> }
<a name="503" href="#503">503</a>
<a name="504" href="#504">504</a> <em class="jxr_javadoccomment">/**</em>
<a name="505" href="#505">505</a> <em class="jxr_javadoccomment"> * @param resourceName Name of the Template to check.</em>
<a name="506" href="#506">506</a> <em class="jxr_javadoccomment"> * @return True if the template exists.</em>
<a name="507" href="#507">507</a> <em class="jxr_javadoccomment"> * @see #resourceExists(String)</em>
<a name="508" href="#508">508</a> <em class="jxr_javadoccomment"> * @deprecated Use resourceExists(String) instead.</em>
<a name="509" href="#509">509</a> <em class="jxr_javadoccomment"> */</em>
<a name="510" href="#510">510</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">boolean</strong> templateExists(String resourceName)
<a name="511" href="#511">511</a> {
<a name="512" href="#512">512</a> <strong class="jxr_keyword">return</strong> resourceExists(resourceName);
<a name="513" href="#513">513</a> }
<a name="514" href="#514">514</a> }
</pre>
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