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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 or more</em>
<a name="3" href="#3">3</a> <em class="jxr_comment"> * contributor license agreements. See the NOTICE file distributed with</em>
<a name="4" href="#4">4</a> <em class="jxr_comment"> * this work for additional information regarding copyright ownership.</em>
<a name="5" href="#5">5</a> <em class="jxr_comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</em>
<a name="6" href="#6">6</a> <em class="jxr_comment"> * (the "License"); you may not use this file except in compliance with</em>
<a name="7" href="#7">7</a> <em class="jxr_comment"> * the License. You may obtain a copy of the License at</em>
<a name="8" href="#8">8</a> <em class="jxr_comment"> * </em>
<a name="9" href="#9">9</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="10" href="#10">10</a> <em class="jxr_comment"> * </em>
<a name="11" href="#11">11</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a name="12" href="#12">12</a> <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
<a name="13" href="#13">13</a> <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a name="14" href="#14">14</a> <em class="jxr_comment"> * See the License for the specific language governing permissions and</em>
<a name="15" href="#15">15</a> <em class="jxr_comment"> * limitations under the License.</em>
<a name="16" href="#16">16</a> <em class="jxr_comment"> */</em>
<a name="17" href="#17">17</a> <strong class="jxr_keyword">package</strong> org.apache.log4j.chainsaw;
<a name="18" href="#18">18</a>
<a name="19" href="#19">19</a> <strong class="jxr_keyword">import</strong> java.text.DateFormat;
<a name="20" href="#20">20</a> <strong class="jxr_keyword">import</strong> java.util.ArrayList;
<a name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> java.util.Comparator;
<a name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> java.util.Date;
<a name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> java.util.Iterator;
<a name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> java.util.List;
<a name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> java.util.SortedSet;
<a name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> java.util.TreeSet;
<a name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> javax.swing.table.AbstractTableModel;
<a name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> org.apache.log4j.Priority;
<a name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> org.apache.log4j.Logger;
<a name="30" href="#30">30</a>
<a name="31" href="#31">31</a> <em class="jxr_javadoccomment">/**</em>
<a name="32" href="#32">32</a> <em class="jxr_javadoccomment"> * Represents a list of &lt;code&gt;EventDetails&lt;/code&gt; objects that are sorted on</em>
<a name="33" href="#33">33</a> <em class="jxr_javadoccomment"> * logging time. Methods are provided to filter the events that are visible.</em>
<a name="34" href="#34">34</a> <em class="jxr_javadoccomment"> *</em>
<a name="35" href="#35">35</a> <em class="jxr_javadoccomment"> * @author &lt;a href="<a href="mailto:oliver@puppycrawl.com" target="alexandria_uri">mailto:oliver@puppycrawl.com</a>"&gt;Oliver Burn&lt;/a&gt;</em>
<a name="36" href="#36">36</a> <em class="jxr_javadoccomment"> */</em>
<a name="37" href="#37">37</a> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/log4j/chainsaw/MyTableModel.html">MyTableModel</a>
<a name="38" href="#38">38</a> <strong class="jxr_keyword">extends</strong> AbstractTableModel
<a name="39" href="#39">39</a> {
<a name="40" href="#40">40</a>
<a name="41" href="#41">41</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> used to log messages **/</em>
<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> <a href="../../../../org/apache/log4j/Logger.html">Logger</a> LOG = Logger.getLogger(MyTableModel.<strong class="jxr_keyword">class</strong>);
<a name="43" href="#43">43</a>
<a name="44" href="#44">44</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> use the compare logging events **/</em>
<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> Comparator MY_COMP = <strong class="jxr_keyword">new</strong> Comparator()
<a name="46" href="#46">46</a> {
<a name="47" href="#47">47</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> @see Comparator **/</em>
<a name="48" href="#48">48</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> compare(Object aObj1, Object aObj2) {
<a name="49" href="#49">49</a> <strong class="jxr_keyword">if</strong> ((aObj1 == <strong class="jxr_keyword">null</strong>) &amp;&amp; (aObj2 == <strong class="jxr_keyword">null</strong>)) {
<a name="50" href="#50">50</a> <strong class="jxr_keyword">return</strong> 0; <em class="jxr_comment">// treat as equal</em>
<a name="51" href="#51">51</a> } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (aObj1 == <strong class="jxr_keyword">null</strong>) {
<a name="52" href="#52">52</a> <strong class="jxr_keyword">return</strong> -1; <em class="jxr_comment">// null less than everything</em>
<a name="53" href="#53">53</a> } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (aObj2 == <strong class="jxr_keyword">null</strong>) {
<a name="54" href="#54">54</a> <strong class="jxr_keyword">return</strong> 1; <em class="jxr_comment">// think about it. :-&gt;</em>
<a name="55" href="#55">55</a> }
<a name="56" href="#56">56</a>
<a name="57" href="#57">57</a> <em class="jxr_comment">// will assume only have LoggingEvent</em>
<a name="58" href="#58">58</a> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/log4j/chainsaw/EventDetails.html">EventDetails</a> le1 = (EventDetails) aObj1;
<a name="59" href="#59">59</a> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/log4j/chainsaw/EventDetails.html">EventDetails</a> le2 = (EventDetails) aObj2;
<a name="60" href="#60">60</a>
<a name="61" href="#61">61</a> <strong class="jxr_keyword">if</strong> (le1.getTimeStamp() &lt; le2.getTimeStamp()) {
<a name="62" href="#62">62</a> <strong class="jxr_keyword">return</strong> 1;
<a name="63" href="#63">63</a> }
<a name="64" href="#64">64</a> <em class="jxr_comment">// assume not two events are logged at exactly the same time</em>
<a name="65" href="#65">65</a> <strong class="jxr_keyword">return</strong> -1;
<a name="66" href="#66">66</a> }
<a name="67" href="#67">67</a> };
<a name="68" href="#68">68</a>
<a name="69" href="#69">69</a> <em class="jxr_javadoccomment">/**</em>
<a name="70" href="#70">70</a> <em class="jxr_javadoccomment"> * Helper that actually processes incoming events.</em>
<a name="71" href="#71">71</a> <em class="jxr_javadoccomment"> * @author &lt;a href="<a href="mailto:oliver@puppycrawl.com" target="alexandria_uri">mailto:oliver@puppycrawl.com</a>"&gt;Oliver Burn&lt;/a&gt;</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> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/log4j/chainsaw/MyTableModel.html">Processor</a>
<a name="74" href="#74">74</a> implements Runnable
<a name="75" href="#75">75</a> {
<a name="76" href="#76">76</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> loops getting the events **/</em>
<a name="77" href="#77">77</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> run() {
<a name="78" href="#78">78</a> <strong class="jxr_keyword">while</strong> (<strong class="jxr_keyword">true</strong>) {
<a name="79" href="#79">79</a> <strong class="jxr_keyword">try</strong> {
<a name="80" href="#80">80</a> Thread.sleep(1000);
<a name="81" href="#81">81</a> } <strong class="jxr_keyword">catch</strong> (InterruptedException e) {
<a name="82" href="#82">82</a> <em class="jxr_comment">// ignore</em>
<a name="83" href="#83">83</a> }
<a name="84" href="#84">84</a>
<a name="85" href="#85">85</a> <strong class="jxr_keyword">synchronized</strong> (mLock) {
<a name="86" href="#86">86</a> <strong class="jxr_keyword">if</strong> (mPaused) {
<a name="87" href="#87">87</a> <strong class="jxr_keyword">continue</strong>;
<a name="88" href="#88">88</a> }
<a name="89" href="#89">89</a>
<a name="90" href="#90">90</a> <strong class="jxr_keyword">boolean</strong> toHead = <strong class="jxr_keyword">true</strong>; <em class="jxr_comment">// were events added to head</em>
<a name="91" href="#91">91</a> <strong class="jxr_keyword">boolean</strong> needUpdate = false;
<a name="92" href="#92">92</a> <strong class="jxr_keyword">final</strong> Iterator it = mPendingEvents.iterator();
<a name="93" href="#93">93</a> <strong class="jxr_keyword">while</strong> (it.hasNext()) {
<a name="94" href="#94">94</a> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/log4j/chainsaw/EventDetails.html">EventDetails</a> event = (EventDetails) it.next();
<a name="95" href="#95">95</a> mAllEvents.add(event);
<a name="96" href="#96">96</a> toHead = toHead &amp;&amp; (event == mAllEvents.first());
<a name="97" href="#97">97</a> needUpdate = needUpdate || matchFilter(event);
<a name="98" href="#98">98</a> }
<a name="99" href="#99">99</a> mPendingEvents.clear();
<a name="100" href="#100">100</a>
<a name="101" href="#101">101</a> <strong class="jxr_keyword">if</strong> (needUpdate) {
<a name="102" href="#102">102</a> updateFilteredEvents(toHead);
<a name="103" href="#103">103</a> }
<a name="104" href="#104">104</a> }
<a name="105" href="#105">105</a> }
<a name="106" href="#106">106</a>
<a name="107" href="#107">107</a> }
<a name="108" href="#108">108</a> }
<a name="109" href="#109">109</a>
<a name="110" href="#110">110</a>
<a name="111" href="#111">111</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> names of the columns in the table **/</em>
<a name="112" href="#112">112</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String[] COL_NAMES = {
<a name="113" href="#113">113</a> <span class="jxr_string">"Time"</span>, <span class="jxr_string">"Priority"</span>, <span class="jxr_string">"Trace"</span>, <span class="jxr_string">"Category"</span>, <span class="jxr_string">"NDC"</span>, <span class="jxr_string">"Message"</span>};
<a name="114" href="#114">114</a>
<a name="115" href="#115">115</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> definition of an empty list **/</em>
<a name="116" href="#116">116</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/log4j/chainsaw/EventDetails.html">EventDetails</a>[] EMPTY_LIST = <strong class="jxr_keyword">new</strong> EventDetails[] {};
<a name="117" href="#117">117</a>
<a name="118" href="#118">118</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> used to format dates **/</em>
<a name="119" href="#119">119</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> DateFormat DATE_FORMATTER =
<a name="120" href="#120">120</a> DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.MEDIUM);
<a name="121" href="#121">121</a>
<a name="122" href="#122">122</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> the lock to control access **/</em>
<a name="123" href="#123">123</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Object mLock = <strong class="jxr_keyword">new</strong> Object();
<a name="124" href="#124">124</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> set of all logged events - not filtered **/</em>
<a name="125" href="#125">125</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> SortedSet mAllEvents = <strong class="jxr_keyword">new</strong> TreeSet(MY_COMP);
<a name="126" href="#126">126</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> events that are visible after filtering **/</em>
<a name="127" href="#127">127</a> <strong class="jxr_keyword">private</strong> <a href="../../../../org/apache/log4j/chainsaw/EventDetails.html">EventDetails</a>[] mFilteredEvents = EMPTY_LIST;
<a name="128" href="#128">128</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> list of events that are buffered for processing **/</em>
<a name="129" href="#129">129</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> List mPendingEvents = <strong class="jxr_keyword">new</strong> ArrayList();
<a name="130" href="#130">130</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> indicates whether event collection is paused to the UI **/</em>
<a name="131" href="#131">131</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> mPaused = false;
<a name="132" href="#132">132</a>
<a name="133" href="#133">133</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> filter for the thread **/</em>
<a name="134" href="#134">134</a> <strong class="jxr_keyword">private</strong> String mThreadFilter = <span class="jxr_string">""</span>;
<a name="135" href="#135">135</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> filter for the message **/</em>
<a name="136" href="#136">136</a> <strong class="jxr_keyword">private</strong> String mMessageFilter = <span class="jxr_string">""</span>;
<a name="137" href="#137">137</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> filter for the <a href="../../../../org/apache/log4j/NDC.html">NDC</a> **/</em>
<a name="138" href="#138">138</a> <strong class="jxr_keyword">private</strong> String mNDCFilter = <span class="jxr_string">""</span>;
<a name="139" href="#139">139</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> filter for the category **/</em>
<a name="140" href="#140">140</a> <strong class="jxr_keyword">private</strong> String mCategoryFilter = <span class="jxr_string">""</span>;
<a name="141" href="#141">141</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> filter for the priority **/</em>
<a name="142" href="#142">142</a> <strong class="jxr_keyword">private</strong> <a href="../../../../org/apache/log4j/Priority.html">Priority</a> mPriorityFilter = Priority.DEBUG;
<a name="143" href="#143">143</a>
<a name="144" href="#144">144</a>
<a name="145" href="#145">145</a> <em class="jxr_javadoccomment">/**</em>
<a name="146" href="#146">146</a> <em class="jxr_javadoccomment"> * Creates a new &lt;code&gt;MyTableModel&lt;/code&gt; instance.</em>
<a name="147" href="#147">147</a> <em class="jxr_javadoccomment"> *</em>
<a name="148" href="#148">148</a> <em class="jxr_javadoccomment"> */</em>
<a name="149" href="#149">149</a> <a href="../../../../org/apache/log4j/chainsaw/MyTableModel.html">MyTableModel</a>() {
<a name="150" href="#150">150</a> <strong class="jxr_keyword">final</strong> Thread t = <strong class="jxr_keyword">new</strong> Thread(<strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/log4j/chainsaw/MyTableModel.html">Processor</a>());
<a name="151" href="#151">151</a> t.setDaemon(<strong class="jxr_keyword">true</strong>);
<a name="152" href="#152">152</a> t.start();
<a name="153" href="#153">153</a> }
<a name="154" href="#154">154</a>
<a name="155" href="#155">155</a>
<a name="156" href="#156">156</a> <em class="jxr_comment">////////////////////////////////////////////////////////////////////////////</em>
<a name="157" href="#157">157</a> <em class="jxr_comment">// Table Methods</em>
<a name="158" href="#158">158</a> <em class="jxr_comment">////////////////////////////////////////////////////////////////////////////</em>
<a name="159" href="#159">159</a>
<a name="160" href="#160">160</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> @see javax.swing.table.TableModel **/</em>
<a name="161" href="#161">161</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getRowCount() {
<a name="162" href="#162">162</a> <strong class="jxr_keyword">synchronized</strong> (mLock) {
<a name="163" href="#163">163</a> <strong class="jxr_keyword">return</strong> mFilteredEvents.length;
<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> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> @see javax.swing.table.TableModel **/</em>
<a name="168" href="#168">168</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getColumnCount() {
<a name="169" href="#169">169</a> <em class="jxr_comment">// does not need to be synchronized</em>
<a name="170" href="#170">170</a> <strong class="jxr_keyword">return</strong> COL_NAMES.length;
<a name="171" href="#171">171</a> }
<a name="172" href="#172">172</a>
<a name="173" href="#173">173</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> @see javax.swing.table.TableModel **/</em>
<a name="174" href="#174">174</a> <strong class="jxr_keyword">public</strong> String getColumnName(<strong class="jxr_keyword">int</strong> aCol) {
<a name="175" href="#175">175</a> <em class="jxr_comment">// does not need to be synchronized</em>
<a name="176" href="#176">176</a> <strong class="jxr_keyword">return</strong> COL_NAMES[aCol];
<a name="177" href="#177">177</a> }
<a name="178" href="#178">178</a>
<a name="179" href="#179">179</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> @see javax.swing.table.TableModel **/</em>
<a name="180" href="#180">180</a> <strong class="jxr_keyword">public</strong> Class getColumnClass(<strong class="jxr_keyword">int</strong> aCol) {
<a name="181" href="#181">181</a> <em class="jxr_comment">// does not need to be synchronized</em>
<a name="182" href="#182">182</a> <strong class="jxr_keyword">return</strong> (aCol == 2) ? Boolean.<strong class="jxr_keyword">class</strong> : Object.<strong class="jxr_keyword">class</strong>;
<a name="183" href="#183">183</a> }
<a name="184" href="#184">184</a>
<a name="185" href="#185">185</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> @see javax.swing.table.TableModel **/</em>
<a name="186" href="#186">186</a> <strong class="jxr_keyword">public</strong> Object getValueAt(<strong class="jxr_keyword">int</strong> aRow, <strong class="jxr_keyword">int</strong> aCol) {
<a name="187" href="#187">187</a> <strong class="jxr_keyword">synchronized</strong> (mLock) {
<a name="188" href="#188">188</a> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/log4j/chainsaw/EventDetails.html">EventDetails</a> event = mFilteredEvents[aRow];
<a name="189" href="#189">189</a>
<a name="190" href="#190">190</a> <strong class="jxr_keyword">if</strong> (aCol == 0) {
<a name="191" href="#191">191</a> <strong class="jxr_keyword">return</strong> DATE_FORMATTER.format(<strong class="jxr_keyword">new</strong> Date(event.getTimeStamp()));
<a name="192" href="#192">192</a> } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (aCol == 1) {
<a name="193" href="#193">193</a> <strong class="jxr_keyword">return</strong> event.getPriority();
<a name="194" href="#194">194</a> } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (aCol == 2) {
<a name="195" href="#195">195</a> <strong class="jxr_keyword">return</strong> (event.getThrowableStrRep() == <strong class="jxr_keyword">null</strong>)
<a name="196" href="#196">196</a> ? Boolean.FALSE : Boolean.TRUE;
<a name="197" href="#197">197</a> } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (aCol == 3) {
<a name="198" href="#198">198</a> <strong class="jxr_keyword">return</strong> event.getCategoryName();
<a name="199" href="#199">199</a> } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (aCol == 4) {
<a name="200" href="#200">200</a> <strong class="jxr_keyword">return</strong> event.getNDC();
<a name="201" href="#201">201</a> }
<a name="202" href="#202">202</a> <strong class="jxr_keyword">return</strong> event.getMessage();
<a name="203" href="#203">203</a> }
<a name="204" href="#204">204</a> }
<a name="205" href="#205">205</a>
<a name="206" href="#206">206</a> <em class="jxr_comment">////////////////////////////////////////////////////////////////////////////</em>
<a name="207" href="#207">207</a> <em class="jxr_comment">// Public Methods</em>
<a name="208" href="#208">208</a> <em class="jxr_comment">////////////////////////////////////////////////////////////////////////////</em>
<a name="209" href="#209">209</a>
<a name="210" href="#210">210</a> <em class="jxr_javadoccomment">/**</em>
<a name="211" href="#211">211</a> <em class="jxr_javadoccomment"> * Sets the priority to filter events on. Only events of equal or higher</em>
<a name="212" href="#212">212</a> <em class="jxr_javadoccomment"> * property are now displayed.</em>
<a name="213" href="#213">213</a> <em class="jxr_javadoccomment"> *</em>
<a name="214" href="#214">214</a> <em class="jxr_javadoccomment"> * @param aPriority the priority to filter on</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">void</strong> setPriorityFilter(<a href="../../../../org/apache/log4j/Priority.html">Priority</a> aPriority) {
<a name="217" href="#217">217</a> <strong class="jxr_keyword">synchronized</strong> (mLock) {
<a name="218" href="#218">218</a> mPriorityFilter = aPriority;
<a name="219" href="#219">219</a> updateFilteredEvents(false);
<a name="220" href="#220">220</a> }
<a name="221" href="#221">221</a> }
<a name="222" href="#222">222</a>
<a name="223" href="#223">223</a> <em class="jxr_javadoccomment">/**</em>
<a name="224" href="#224">224</a> <em class="jxr_javadoccomment"> * Set the filter for the thread field.</em>
<a name="225" href="#225">225</a> <em class="jxr_javadoccomment"> *</em>
<a name="226" href="#226">226</a> <em class="jxr_javadoccomment"> * @param aStr the string to match</em>
<a name="227" href="#227">227</a> <em class="jxr_javadoccomment"> */</em>
<a name="228" href="#228">228</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setThreadFilter(String aStr) {
<a name="229" href="#229">229</a> <strong class="jxr_keyword">synchronized</strong> (mLock) {
<a name="230" href="#230">230</a> mThreadFilter = aStr.trim();
<a name="231" href="#231">231</a> updateFilteredEvents(false);
<a name="232" href="#232">232</a> }
<a name="233" href="#233">233</a> }
<a name="234" href="#234">234</a>
<a name="235" href="#235">235</a> <em class="jxr_javadoccomment">/**</em>
<a name="236" href="#236">236</a> <em class="jxr_javadoccomment"> * Set the filter for the message field.</em>
<a name="237" href="#237">237</a> <em class="jxr_javadoccomment"> *</em>
<a name="238" href="#238">238</a> <em class="jxr_javadoccomment"> * @param aStr the string to match</em>
<a name="239" href="#239">239</a> <em class="jxr_javadoccomment"> */</em>
<a name="240" href="#240">240</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setMessageFilter(String aStr) {
<a name="241" href="#241">241</a> <strong class="jxr_keyword">synchronized</strong> (mLock) {
<a name="242" href="#242">242</a> mMessageFilter = aStr.trim();
<a name="243" href="#243">243</a> updateFilteredEvents(false);
<a name="244" href="#244">244</a> }
<a name="245" href="#245">245</a> }
<a name="246" href="#246">246</a>
<a name="247" href="#247">247</a> <em class="jxr_javadoccomment">/**</em>
<a name="248" href="#248">248</a> <em class="jxr_javadoccomment"> * Set the filter for the NDC field.</em>
<a name="249" href="#249">249</a> <em class="jxr_javadoccomment"> *</em>
<a name="250" href="#250">250</a> <em class="jxr_javadoccomment"> * @param aStr the string to match</em>
<a name="251" href="#251">251</a> <em class="jxr_javadoccomment"> */</em>
<a name="252" href="#252">252</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setNDCFilter(String aStr) {
<a name="253" href="#253">253</a> <strong class="jxr_keyword">synchronized</strong> (mLock) {
<a name="254" href="#254">254</a> mNDCFilter = aStr.trim();
<a name="255" href="#255">255</a> updateFilteredEvents(false);
<a name="256" href="#256">256</a> }
<a name="257" href="#257">257</a> }
<a name="258" href="#258">258</a>
<a name="259" href="#259">259</a> <em class="jxr_javadoccomment">/**</em>
<a name="260" href="#260">260</a> <em class="jxr_javadoccomment"> * Set the filter for the category field.</em>
<a name="261" href="#261">261</a> <em class="jxr_javadoccomment"> *</em>
<a name="262" href="#262">262</a> <em class="jxr_javadoccomment"> * @param aStr the string to match</em>
<a name="263" href="#263">263</a> <em class="jxr_javadoccomment"> */</em>
<a name="264" href="#264">264</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setCategoryFilter(String aStr) {
<a name="265" href="#265">265</a> <strong class="jxr_keyword">synchronized</strong> (mLock) {
<a name="266" href="#266">266</a> mCategoryFilter = aStr.trim();
<a name="267" href="#267">267</a> updateFilteredEvents(false);
<a name="268" href="#268">268</a> }
<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"> * Add an event to the list.</em>
<a name="273" href="#273">273</a> <em class="jxr_javadoccomment"> *</em>
<a name="274" href="#274">274</a> <em class="jxr_javadoccomment"> * @param aEvent a &lt;code&gt;EventDetails&lt;/code&gt; value</em>
<a name="275" href="#275">275</a> <em class="jxr_javadoccomment"> */</em>
<a name="276" href="#276">276</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addEvent(<a href="../../../../org/apache/log4j/chainsaw/EventDetails.html">EventDetails</a> aEvent) {
<a name="277" href="#277">277</a> <strong class="jxr_keyword">synchronized</strong> (mLock) {
<a name="278" href="#278">278</a> mPendingEvents.add(aEvent);
<a name="279" href="#279">279</a> }
<a name="280" href="#280">280</a> }
<a name="281" href="#281">281</a>
<a name="282" href="#282">282</a> <em class="jxr_javadoccomment">/**</em>
<a name="283" href="#283">283</a> <em class="jxr_javadoccomment"> * Clear the list of all events.</em>
<a name="284" href="#284">284</a> <em class="jxr_javadoccomment"> */</em>
<a name="285" href="#285">285</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> clear() {
<a name="286" href="#286">286</a> <strong class="jxr_keyword">synchronized</strong> (mLock) {
<a name="287" href="#287">287</a> mAllEvents.clear();
<a name="288" href="#288">288</a> mFilteredEvents = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/log4j/chainsaw/EventDetails.html">EventDetails</a>[0];
<a name="289" href="#289">289</a> mPendingEvents.clear();
<a name="290" href="#290">290</a> fireTableDataChanged();
<a name="291" href="#291">291</a> }
<a name="292" href="#292">292</a> }
<a name="293" href="#293">293</a>
<a name="294" href="#294">294</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Toggle whether collecting events **/</em>
<a name="295" href="#295">295</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> toggle() {
<a name="296" href="#296">296</a> <strong class="jxr_keyword">synchronized</strong> (mLock) {
<a name="297" href="#297">297</a> mPaused = !mPaused;
<a name="298" href="#298">298</a> }
<a name="299" href="#299">299</a> }
<a name="300" href="#300">300</a>
<a name="301" href="#301">301</a> <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> @return whether currently paused collecting events **/</em>
<a name="302" href="#302">302</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isPaused() {
<a name="303" href="#303">303</a> <strong class="jxr_keyword">synchronized</strong> (mLock) {
<a name="304" href="#304">304</a> <strong class="jxr_keyword">return</strong> mPaused;
<a name="305" href="#305">305</a> }
<a name="306" href="#306">306</a> }
<a name="307" href="#307">307</a>
<a name="308" href="#308">308</a> <em class="jxr_javadoccomment">/**</em>
<a name="309" href="#309">309</a> <em class="jxr_javadoccomment"> * Get the throwable information at a specified row in the filtered events.</em>
<a name="310" href="#310">310</a> <em class="jxr_javadoccomment"> *</em>
<a name="311" href="#311">311</a> <em class="jxr_javadoccomment"> * @param aRow the row index of the event</em>
<a name="312" href="#312">312</a> <em class="jxr_javadoccomment"> * @return the throwable information</em>
<a name="313" href="#313">313</a> <em class="jxr_javadoccomment"> */</em>
<a name="314" href="#314">314</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/log4j/chainsaw/EventDetails.html">EventDetails</a> getEventDetails(<strong class="jxr_keyword">int</strong> aRow) {
<a name="315" href="#315">315</a> <strong class="jxr_keyword">synchronized</strong> (mLock) {
<a name="316" href="#316">316</a> <strong class="jxr_keyword">return</strong> mFilteredEvents[aRow];
<a name="317" href="#317">317</a> }
<a name="318" href="#318">318</a> }
<a name="319" href="#319">319</a>
<a name="320" href="#320">320</a> <em class="jxr_comment">////////////////////////////////////////////////////////////////////////////</em>
<a name="321" href="#321">321</a> <em class="jxr_comment">// Private methods</em>
<a name="322" href="#322">322</a> <em class="jxr_comment">////////////////////////////////////////////////////////////////////////////</em>
<a name="323" href="#323">323</a>
<a name="324" href="#324">324</a> <em class="jxr_javadoccomment">/**</em>
<a name="325" href="#325">325</a> <em class="jxr_javadoccomment"> * Update the filtered events data structure.</em>
<a name="326" href="#326">326</a> <em class="jxr_javadoccomment"> * @param aInsertedToFront indicates whether events were added to front of</em>
<a name="327" href="#327">327</a> <em class="jxr_javadoccomment"> * the events. If true, then the current first event must still exist</em>
<a name="328" href="#328">328</a> <em class="jxr_javadoccomment"> * in the list after the filter is applied.</em>
<a name="329" href="#329">329</a> <em class="jxr_javadoccomment"> */</em>
<a name="330" href="#330">330</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> updateFilteredEvents(<strong class="jxr_keyword">boolean</strong> aInsertedToFront) {
<a name="331" href="#331">331</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> start = System.currentTimeMillis();
<a name="332" href="#332">332</a> <strong class="jxr_keyword">final</strong> List filtered = <strong class="jxr_keyword">new</strong> ArrayList();
<a name="333" href="#333">333</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> size = mAllEvents.size();
<a name="334" href="#334">334</a> <strong class="jxr_keyword">final</strong> Iterator it = mAllEvents.iterator();
<a name="335" href="#335">335</a>
<a name="336" href="#336">336</a> <strong class="jxr_keyword">while</strong> (it.hasNext()) {
<a name="337" href="#337">337</a> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/log4j/chainsaw/EventDetails.html">EventDetails</a> event = (EventDetails) it.next();
<a name="338" href="#338">338</a> <strong class="jxr_keyword">if</strong> (matchFilter(event)) {
<a name="339" href="#339">339</a> filtered.add(event);
<a name="340" href="#340">340</a> }
<a name="341" href="#341">341</a> }
<a name="342" href="#342">342</a>
<a name="343" href="#343">343</a> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/log4j/chainsaw/EventDetails.html">EventDetails</a> lastFirst = (mFilteredEvents.length == 0)
<a name="344" href="#344">344</a> ? <strong class="jxr_keyword">null</strong>
<a name="345" href="#345">345</a> : mFilteredEvents[0];
<a name="346" href="#346">346</a> mFilteredEvents = (EventDetails[]) filtered.toArray(EMPTY_LIST);
<a name="347" href="#347">347</a>
<a name="348" href="#348">348</a> <strong class="jxr_keyword">if</strong> (aInsertedToFront &amp;&amp; (lastFirst != <strong class="jxr_keyword">null</strong>)) {
<a name="349" href="#349">349</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> index = filtered.indexOf(lastFirst);
<a name="350" href="#350">350</a> <strong class="jxr_keyword">if</strong> (index &lt; 1) {
<a name="351" href="#351">351</a> LOG.warn(<span class="jxr_string">"In strange state"</span>);
<a name="352" href="#352">352</a> fireTableDataChanged();
<a name="353" href="#353">353</a> } <strong class="jxr_keyword">else</strong> {
<a name="354" href="#354">354</a> fireTableRowsInserted(0, index - 1);
<a name="355" href="#355">355</a> }
<a name="356" href="#356">356</a> } <strong class="jxr_keyword">else</strong> {
<a name="357" href="#357">357</a> fireTableDataChanged();
<a name="358" href="#358">358</a> }
<a name="359" href="#359">359</a>
<a name="360" href="#360">360</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> end = System.currentTimeMillis();
<a name="361" href="#361">361</a> LOG.debug(<span class="jxr_string">"Total time [ms]: "</span> + (end - start)
<a name="362" href="#362">362</a> + <span class="jxr_string">" in update, size: "</span> + size);
<a name="363" href="#363">363</a> }
<a name="364" href="#364">364</a>
<a name="365" href="#365">365</a> <em class="jxr_javadoccomment">/**</em>
<a name="366" href="#366">366</a> <em class="jxr_javadoccomment"> * Returns whether an event matches the filters.</em>
<a name="367" href="#367">367</a> <em class="jxr_javadoccomment"> *</em>
<a name="368" href="#368">368</a> <em class="jxr_javadoccomment"> * @param aEvent the event to check for a match</em>
<a name="369" href="#369">369</a> <em class="jxr_javadoccomment"> * @return whether the event matches</em>
<a name="370" href="#370">370</a> <em class="jxr_javadoccomment"> */</em>
<a name="371" href="#371">371</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> matchFilter(<a href="../../../../org/apache/log4j/chainsaw/EventDetails.html">EventDetails</a> aEvent) {
<a name="372" href="#372">372</a> <strong class="jxr_keyword">if</strong> (aEvent.getPriority().isGreaterOrEqual(mPriorityFilter) &amp;&amp;
<a name="373" href="#373">373</a> (aEvent.getThreadName().indexOf(mThreadFilter) &gt;= 0) &amp;&amp;
<a name="374" href="#374">374</a> (aEvent.getCategoryName().indexOf(mCategoryFilter) &gt;= 0) &amp;&amp;
<a name="375" href="#375">375</a> ((mNDCFilter.length() == 0) ||
<a name="376" href="#376">376</a> ((aEvent.getNDC() != <strong class="jxr_keyword">null</strong>) &amp;&amp;
<a name="377" href="#377">377</a> (aEvent.getNDC().indexOf(mNDCFilter) &gt;= 0))))
<a name="378" href="#378">378</a> {
<a name="379" href="#379">379</a> <strong class="jxr_keyword">final</strong> String rm = aEvent.getMessage();
<a name="380" href="#380">380</a> <strong class="jxr_keyword">if</strong> (rm == <strong class="jxr_keyword">null</strong>) {
<a name="381" href="#381">381</a> <em class="jxr_comment">// only match if we have not filtering in place</em>
<a name="382" href="#382">382</a> <strong class="jxr_keyword">return</strong> (mMessageFilter.length() == 0);
<a name="383" href="#383">383</a> } <strong class="jxr_keyword">else</strong> {
<a name="384" href="#384">384</a> <strong class="jxr_keyword">return</strong> (rm.indexOf(mMessageFilter) &gt;= 0);
<a name="385" href="#385">385</a> }
<a name="386" href="#386">386</a> }
<a name="387" href="#387">387</a>
<a name="388" href="#388">388</a> <strong class="jxr_keyword">return</strong> false; <em class="jxr_comment">// by default not match</em>
<a name="389" href="#389">389</a> }
<a name="390" href="#390">390</a> }
</pre>
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