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| <a name="1" href="#1">1</a> <strong class="jxr_keyword">package</strong> org.apache.velocity.runtime.directive; |
| <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> org.apache.velocity.exception.ExtendedParseException; |
| <a name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> org.apache.velocity.runtime.parser.ParseException; |
| <a name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> org.apache.velocity.runtime.parser.Token; |
| <a name="25" href="#25">25</a> |
| <a name="26" href="#26">26</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="27" href="#27">27</a> <em class="jxr_javadoccomment"> * Exception to indicate problem happened while constructing #macro()</em> |
| <a name="28" href="#28">28</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="29" href="#29">29</a> <em class="jxr_javadoccomment"> * For internal use in parser - not to be passed to app level</em> |
| <a name="30" href="#30">30</a> <em class="jxr_javadoccomment"> *</em> |
| <a name="31" href="#31">31</a> <em class="jxr_javadoccomment"> * @author <a href="<a href="mailto:geirm@apache.org" target="alexandria_uri">mailto:geirm@apache.org</a>">Geir Magnusson Jr.</a></em> |
| <a name="32" href="#32">32</a> <em class="jxr_javadoccomment"> * @author <a href="hps@intermeta.de">Henning P. Schmiedehausen</a></em> |
| <a name="33" href="#33">33</a> <em class="jxr_javadoccomment"> * @version $Id: MacroParseException.java 463298 2006-10-12 16:10:32Z henning $</em> |
| <a name="34" href="#34">34</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="35" href="#35">35</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/apache/velocity/runtime/directive/MacroParseException.html">MacroParseException</a> |
| <a name="36" href="#36">36</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../org/apache/velocity/runtime/parser/ParseException.html">ParseException</a> |
| <a name="37" href="#37">37</a> implements <a href="../../../../../org/apache/velocity/exception/ExtendedParseException.html">ExtendedParseException</a> |
| <a name="38" href="#38">38</a> { |
| <a name="39" href="#39">39</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> String templateName; |
| <a name="40" href="#40">40</a> |
| <a name="41" href="#41">41</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="42" href="#42">42</a> <em class="jxr_javadoccomment"> * Version Id for serializable</em> |
| <a name="43" href="#43">43</a> <em class="jxr_javadoccomment"> */</em> |
| <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> <strong class="jxr_keyword">long</strong> serialVersionUID = -4985224672336070689L; |
| <a name="45" href="#45">45</a> |
| <a name="46" href="#46">46</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="47" href="#47">47</a> <em class="jxr_javadoccomment"> * @param msg</em> |
| <a name="48" href="#48">48</a> <em class="jxr_javadoccomment"> * @param templateName</em> |
| <a name="49" href="#49">49</a> <em class="jxr_javadoccomment"> * @param currentToken</em> |
| <a name="50" href="#50">50</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="51" href="#51">51</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../org/apache/velocity/runtime/directive/MacroParseException.html">MacroParseException</a>(<strong class="jxr_keyword">final</strong> String msg, <strong class="jxr_keyword">final</strong> String templateName, <strong class="jxr_keyword">final</strong> <a href="../../../../../org/apache/velocity/runtime/parser/Token.html">Token</a> currentToken) |
| <a name="52" href="#52">52</a> { |
| <a name="53" href="#53">53</a> <strong class="jxr_keyword">super</strong>(msg); |
| <a name="54" href="#54">54</a> <strong class="jxr_keyword">this</strong>.currentToken = currentToken; |
| <a name="55" href="#55">55</a> <strong class="jxr_keyword">this</strong>.templateName = templateName; |
| <a name="56" href="#56">56</a> } |
| <a name="57" href="#57">57</a> |
| <a name="58" href="#58">58</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="59" href="#59">59</a> <em class="jxr_javadoccomment"> * returns the Template name where this exception occured.</em> |
| <a name="60" href="#60">60</a> <em class="jxr_javadoccomment"> * @return The Template name where this exception occured.</em> |
| <a name="61" href="#61">61</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="62" href="#62">62</a> <strong class="jxr_keyword">public</strong> String getTemplateName() |
| <a name="63" href="#63">63</a> { |
| <a name="64" href="#64">64</a> <strong class="jxr_keyword">return</strong> templateName; |
| <a name="65" href="#65">65</a> } |
| <a name="66" href="#66">66</a> |
| <a name="67" href="#67">67</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="68" href="#68">68</a> <em class="jxr_javadoccomment"> * returns the line number where this exception occured.</em> |
| <a name="69" href="#69">69</a> <em class="jxr_javadoccomment"> * @return The line number where this exception occured.</em> |
| <a name="70" href="#70">70</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="71" href="#71">71</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getLineNumber() |
| <a name="72" href="#72">72</a> { |
| <a name="73" href="#73">73</a> <strong class="jxr_keyword">if</strong> ((currentToken != <strong class="jxr_keyword">null</strong>) && (currentToken.next != <strong class="jxr_keyword">null</strong>)) |
| <a name="74" href="#74">74</a> { |
| <a name="75" href="#75">75</a> <strong class="jxr_keyword">return</strong> currentToken.next.beginLine; |
| <a name="76" href="#76">76</a> } |
| <a name="77" href="#77">77</a> <strong class="jxr_keyword">else</strong> |
| <a name="78" href="#78">78</a> { |
| <a name="79" href="#79">79</a> <strong class="jxr_keyword">return</strong> -1; |
| <a name="80" href="#80">80</a> } |
| <a name="81" href="#81">81</a> } |
| <a name="82" href="#82">82</a> |
| <a name="83" href="#83">83</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="84" href="#84">84</a> <em class="jxr_javadoccomment"> * returns the column number where this exception occured.</em> |
| <a name="85" href="#85">85</a> <em class="jxr_javadoccomment"> * @return The column number where this exception occured.</em> |
| <a name="86" href="#86">86</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="87" href="#87">87</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getColumnNumber() |
| <a name="88" href="#88">88</a> { |
| <a name="89" href="#89">89</a> <strong class="jxr_keyword">if</strong> ((currentToken != <strong class="jxr_keyword">null</strong>) && (currentToken.next != <strong class="jxr_keyword">null</strong>)) |
| <a name="90" href="#90">90</a> { |
| <a name="91" href="#91">91</a> <strong class="jxr_keyword">return</strong> currentToken.next.beginColumn; |
| <a name="92" href="#92">92</a> } |
| <a name="93" href="#93">93</a> <strong class="jxr_keyword">else</strong> |
| <a name="94" href="#94">94</a> { |
| <a name="95" href="#95">95</a> <strong class="jxr_keyword">return</strong> -1; |
| <a name="96" href="#96">96</a> } |
| <a name="97" href="#97">97</a> } |
| <a name="98" href="#98">98</a> |
| <a name="99" href="#99">99</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="100" href="#100">100</a> <em class="jxr_javadoccomment"> * This method has the standard behavior when this object has been</em> |
| <a name="101" href="#101">101</a> <em class="jxr_javadoccomment"> * created using the standard constructors. Otherwise, it uses</em> |
| <a name="102" href="#102">102</a> <em class="jxr_javadoccomment"> * "currentToken" and "expectedTokenSequences" to generate a parse</em> |
| <a name="103" href="#103">103</a> <em class="jxr_javadoccomment"> * error message and returns it. If this object has been created</em> |
| <a name="104" href="#104">104</a> <em class="jxr_javadoccomment"> * due to a parse error, and you do not catch it (it gets thrown</em> |
| <a name="105" href="#105">105</a> <em class="jxr_javadoccomment"> * from the parser), then this method is called during the printing</em> |
| <a name="106" href="#106">106</a> <em class="jxr_javadoccomment"> * of the final stack trace, and hence the correct error message</em> |
| <a name="107" href="#107">107</a> <em class="jxr_javadoccomment"> * gets displayed.</em> |
| <a name="108" href="#108">108</a> <em class="jxr_javadoccomment"> * @return the current message.</em> |
| <a name="109" href="#109">109</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="110" href="#110">110</a> <strong class="jxr_keyword">public</strong> String getMessage() |
| <a name="111" href="#111">111</a> { |
| <a name="112" href="#112">112</a> <strong class="jxr_keyword">if</strong> (!specialConstructor) |
| <a name="113" href="#113">113</a> { |
| <a name="114" href="#114">114</a> StringBuffer sb = <strong class="jxr_keyword">new</strong> StringBuffer(<strong class="jxr_keyword">super</strong>.getMessage()); |
| <a name="115" href="#115">115</a> appendTemplateInfo(sb); |
| <a name="116" href="#116">116</a> <strong class="jxr_keyword">return</strong> sb.toString(); |
| <a name="117" href="#117">117</a> } |
| <a name="118" href="#118">118</a> |
| <a name="119" href="#119">119</a> <strong class="jxr_keyword">int</strong> maxSize = 0; |
| <a name="120" href="#120">120</a> |
| <a name="121" href="#121">121</a> StringBuffer expected = <strong class="jxr_keyword">new</strong> StringBuffer(); |
| <a name="122" href="#122">122</a> |
| <a name="123" href="#123">123</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < expectedTokenSequences.length; i++) |
| <a name="124" href="#124">124</a> { |
| <a name="125" href="#125">125</a> <strong class="jxr_keyword">if</strong> (maxSize < expectedTokenSequences[i].length) |
| <a name="126" href="#126">126</a> { |
| <a name="127" href="#127">127</a> maxSize = expectedTokenSequences[i].length; |
| <a name="128" href="#128">128</a> } |
| <a name="129" href="#129">129</a> |
| <a name="130" href="#130">130</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> j = 0; j < expectedTokenSequences[i].length; j++) |
| <a name="131" href="#131">131</a> { |
| <a name="132" href="#132">132</a> expected.append(tokenImage[expectedTokenSequences[i][j]]).append(<span class="jxr_string">" "</span>); |
| <a name="133" href="#133">133</a> } |
| <a name="134" href="#134">134</a> |
| <a name="135" href="#135">135</a> <strong class="jxr_keyword">if</strong> (expectedTokenSequences[i][expectedTokenSequences[i].length - 1] != 0) |
| <a name="136" href="#136">136</a> { |
| <a name="137" href="#137">137</a> expected.append(<span class="jxr_string">"..."</span>); |
| <a name="138" href="#138">138</a> } |
| <a name="139" href="#139">139</a> |
| <a name="140" href="#140">140</a> expected.append(eol).append(<span class="jxr_string">" "</span>); |
| <a name="141" href="#141">141</a> } |
| <a name="142" href="#142">142</a> |
| <a name="143" href="#143">143</a> StringBuffer retval = <strong class="jxr_keyword">new</strong> StringBuffer(<span class="jxr_string">"Encountered \""</span>); |
| <a name="144" href="#144">144</a> <a href="../../../../../org/apache/velocity/runtime/parser/Token.html">Token</a> tok = currentToken.next; |
| <a name="145" href="#145">145</a> |
| <a name="146" href="#146">146</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < maxSize; i++) |
| <a name="147" href="#147">147</a> { |
| <a name="148" href="#148">148</a> <strong class="jxr_keyword">if</strong> (i != 0) |
| <a name="149" href="#149">149</a> { |
| <a name="150" href="#150">150</a> retval.append(<span class="jxr_string">" "</span>); |
| <a name="151" href="#151">151</a> } |
| <a name="152" href="#152">152</a> |
| <a name="153" href="#153">153</a> <strong class="jxr_keyword">if</strong> (tok.kind == 0) |
| <a name="154" href="#154">154</a> { |
| <a name="155" href="#155">155</a> retval.append(tokenImage[0]); |
| <a name="156" href="#156">156</a> <strong class="jxr_keyword">break</strong>; |
| <a name="157" href="#157">157</a> } |
| <a name="158" href="#158">158</a> |
| <a name="159" href="#159">159</a> retval.append(add_escapes(tok.image)); |
| <a name="160" href="#160">160</a> tok = tok.next; |
| <a name="161" href="#161">161</a> } |
| <a name="162" href="#162">162</a> |
| <a name="163" href="#163">163</a> retval.append(<span class="jxr_string">"\""</span>); |
| <a name="164" href="#164">164</a> appendTemplateInfo(retval); |
| <a name="165" href="#165">165</a> |
| <a name="166" href="#166">166</a> <strong class="jxr_keyword">if</strong> (expectedTokenSequences.length == 1) |
| <a name="167" href="#167">167</a> { |
| <a name="168" href="#168">168</a> retval.append(<span class="jxr_string">"Was expecting:"</span>).append(eol).append(<span class="jxr_string">" "</span>); |
| <a name="169" href="#169">169</a> } |
| <a name="170" href="#170">170</a> <strong class="jxr_keyword">else</strong> |
| <a name="171" href="#171">171</a> { |
| <a name="172" href="#172">172</a> retval.append(<span class="jxr_string">"Was expecting one of:"</span>).append(eol).append(<span class="jxr_string">" "</span>); |
| <a name="173" href="#173">173</a> } |
| <a name="174" href="#174">174</a> |
| <a name="175" href="#175">175</a> <em class="jxr_comment">// avoid JDK 1.3 StringBuffer.append(Object o) vs 1.4 StringBuffer.append(StringBuffer sb) gotcha.</em> |
| <a name="176" href="#176">176</a> retval.append(expected.toString()); |
| <a name="177" href="#177">177</a> <strong class="jxr_keyword">return</strong> retval.toString(); |
| <a name="178" href="#178">178</a> } |
| <a name="179" href="#179">179</a> |
| <a name="180" href="#180">180</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="181" href="#181">181</a> <em class="jxr_javadoccomment"> * @param sb</em> |
| <a name="182" href="#182">182</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="183" href="#183">183</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">void</strong> appendTemplateInfo(<strong class="jxr_keyword">final</strong> StringBuffer sb) |
| <a name="184" href="#184">184</a> { |
| <a name="185" href="#185">185</a> sb.append(<span class="jxr_string">" at line "</span>).append(getLineNumber()) |
| <a name="186" href="#186">186</a> .append(<span class="jxr_string">", column "</span>).append(getColumnNumber()); |
| <a name="187" href="#187">187</a> |
| <a name="188" href="#188">188</a> <strong class="jxr_keyword">if</strong> (getTemplateName() != <strong class="jxr_keyword">null</strong>) |
| <a name="189" href="#189">189</a> { |
| <a name="190" href="#190">190</a> sb.append(<span class="jxr_string">" of "</span>).append(getTemplateName()); |
| <a name="191" href="#191">191</a> } |
| <a name="192" href="#192">192</a> <strong class="jxr_keyword">else</strong> |
| <a name="193" href="#193">193</a> { |
| <a name="194" href="#194">194</a> sb.append(<span class="jxr_string">"."</span>); |
| <a name="195" href="#195">195</a> } |
| <a name="196" href="#196">196</a> sb.append(eol); |
| <a name="197" href="#197">197</a> } |
| <a name="198" href="#198">198</a> } |
| </pre> |
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