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<title>PagedResultParser xref</title>
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<div id="overview"><a href="../../../../../apidocs/org/rundeck/api/parser/PagedResultParser.html">View Javadoc</a></div><pre>
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<a class="jxr_linenumber" name="1" href="#1">1</a> <em class="jxr_comment">/*</em>
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<a class="jxr_linenumber" name="2" href="#2">2</a> <em class="jxr_comment"> * Copyright 2012 DTO Labs, Inc. (<a href="http://dtolabs.com)" target="alexandria_uri">http://dtolabs.com)</a></em>
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<a class="jxr_linenumber" name="3" href="#3">3</a> <em class="jxr_comment"> * </em>
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<a class="jxr_linenumber" name="4" href="#4">4</a> <em class="jxr_comment"> * Licensed under the Apache License, Version 2.0 (the "License");</em>
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<a class="jxr_linenumber" name="5" href="#5">5</a> <em class="jxr_comment"> * you may not use this file except in compliance with the License.</em>
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<a class="jxr_linenumber" name="6" href="#6">6</a> <em class="jxr_comment"> * You may obtain a copy of the License at</em>
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<a class="jxr_linenumber" name="7" href="#7">7</a> <em class="jxr_comment"> *</em>
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<a class="jxr_linenumber" name="8" href="#8">8</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>
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<a class="jxr_linenumber" name="9" href="#9">9</a> <em class="jxr_comment"> *</em>
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<a class="jxr_linenumber" name="10" href="#10">10</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
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<a class="jxr_linenumber" name="11" href="#11">11</a> <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
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<a class="jxr_linenumber" name="12" href="#12">12</a> <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
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<a class="jxr_linenumber" name="13" href="#13">13</a> <em class="jxr_comment"> * See the License for the specific language governing permissions and</em>
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<a class="jxr_linenumber" name="14" href="#14">14</a> <em class="jxr_comment"> * limitations under the License.</em>
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<a class="jxr_linenumber" name="15" href="#15">15</a> <em class="jxr_comment"> *</em>
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<a class="jxr_linenumber" name="16" href="#16">16</a> <em class="jxr_comment"> */</em>
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<a class="jxr_linenumber" name="17" href="#17">17</a>
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<a class="jxr_linenumber" name="18" href="#18">18</a> <em class="jxr_comment">/*</em>
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<a class="jxr_linenumber" name="19" href="#19">19</a> <em class="jxr_comment">* PagedResultParser.java</em>
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<a class="jxr_linenumber" name="20" href="#20">20</a> <em class="jxr_comment">* </em>
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<a class="jxr_linenumber" name="21" href="#21">21</a> <em class="jxr_comment">* User: Greg Schueler <a href="<a href="mailto:greg@dtosolutions.com" target="alexandria_uri">mailto:greg@dtosolutions.com</a>">greg@dtosolutions.com</a></em>
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<a class="jxr_linenumber" name="22" href="#22">22</a> <em class="jxr_comment">* Created: 9/28/12 10:37 AM</em>
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<a class="jxr_linenumber" name="23" href="#23">23</a> <em class="jxr_comment">* </em>
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<a class="jxr_linenumber" name="24" href="#24">24</a> <em class="jxr_comment">*/</em>
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<a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">package</strong> org.rundeck.api.parser;
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<a class="jxr_linenumber" name="26" href="#26">26</a>
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<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> org.dom4j.Element;
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<a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> org.dom4j.Node;
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<a class="jxr_linenumber" name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> org.rundeck.api.util.PagedResults;
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<a class="jxr_linenumber" name="30" href="#30">30</a>
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<a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> java.util.*;
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<a class="jxr_linenumber" name="32" href="#32">32</a>
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<a class="jxr_linenumber" name="33" href="#33">33</a>
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<a class="jxr_linenumber" name="34" href="#34">34</a> <em class="jxr_javadoccomment">/**</em>
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<a class="jxr_linenumber" name="35" href="#35">35</a> <em class="jxr_javadoccomment"> * PagedResultParser extracts paging data from an xpath node, and includes the List result from a ListParser</em>
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<a class="jxr_linenumber" name="36" href="#36">36</a> <em class="jxr_javadoccomment"> *</em>
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<a class="jxr_linenumber" name="37" href="#37">37</a> <em class="jxr_javadoccomment"> * @author Greg Schueler <a href="<a href="mailto:greg@dtosolutions.com" target="alexandria_uri">mailto:greg@dtosolutions.com</a>">greg@dtosolutions.com</a></em>
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<a class="jxr_linenumber" name="38" href="#38">38</a> <em class="jxr_javadoccomment"> */</em>
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<a class="jxr_linenumber" name="39" href="#39">39</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> PagedResultParser<T> <strong class="jxr_keyword">implements</strong> XmlNodeParser<PagedResults<T>> {
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<a class="jxr_linenumber" name="40" href="#40">40</a> ListParser<T> itemParser;
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<a class="jxr_linenumber" name="41" href="#41">41</a> String xpath;
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<a class="jxr_linenumber" name="42" href="#42">42</a>
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<a class="jxr_linenumber" name="43" href="#43">43</a> <em class="jxr_javadoccomment">/**</em>
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<a class="jxr_linenumber" name="44" href="#44">44</a> <em class="jxr_javadoccomment"> * Create a PagedResultParser</em>
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<a class="jxr_linenumber" name="45" href="#45">45</a> <em class="jxr_javadoccomment"> *</em>
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<a class="jxr_linenumber" name="46" href="#46">46</a> <em class="jxr_javadoccomment"> * @param itemParser the list parser</em>
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<a class="jxr_linenumber" name="47" href="#47">47</a> <em class="jxr_javadoccomment"> * @param xpath xpath for list container containing paging attributes</em>
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<a class="jxr_linenumber" name="48" href="#48">48</a> <em class="jxr_javadoccomment"> */</em>
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<a class="jxr_linenumber" name="49" href="#49">49</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/rundeck/api/parser/PagedResultParser.html">PagedResultParser</a>(ListParser<T> itemParser, String xpath) {
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<a class="jxr_linenumber" name="50" href="#50">50</a> <strong class="jxr_keyword">this</strong>.itemParser = itemParser;
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<a class="jxr_linenumber" name="51" href="#51">51</a> <strong class="jxr_keyword">this</strong>.xpath = xpath;
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<a class="jxr_linenumber" name="52" href="#52">52</a> }
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<a class="jxr_linenumber" name="53" href="#53">53</a>
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<a class="jxr_linenumber" name="54" href="#54">54</a> @Override
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<a class="jxr_linenumber" name="55" href="#55">55</a> <strong class="jxr_keyword">public</strong> PagedResults<T> parseXmlNode(Node node) {
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<a class="jxr_linenumber" name="56" href="#56">56</a> Node pagedNodeContainer = node.selectSingleNode(xpath);
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<a class="jxr_linenumber" name="57" href="#57">57</a>
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<a class="jxr_linenumber" name="58" href="#58">58</a> Element el = (Element) pagedNodeContainer;
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<a class="jxr_linenumber" name="59" href="#59">59</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> max = integerAttribute(el, <span class="jxr_string">"max"</span>, -1);
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<a class="jxr_linenumber" name="60" href="#60">60</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> offset = integerAttribute(el, <span class="jxr_string">"offset"</span>, -1);
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<a class="jxr_linenumber" name="61" href="#61">61</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> total = integerAttribute(el, <span class="jxr_string">"total"</span>, -1);
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<a class="jxr_linenumber" name="62" href="#62">62</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> count = integerAttribute(el, <span class="jxr_string">"count"</span>, -1);
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<a class="jxr_linenumber" name="63" href="#63">63</a>
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<a class="jxr_linenumber" name="64" href="#64">64</a> <strong class="jxr_keyword">final</strong> List<T> ts = itemParser.parseXmlNode(pagedNodeContainer);
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<a class="jxr_linenumber" name="65" href="#65">65</a>
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<a class="jxr_linenumber" name="66" href="#66">66</a>
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<a class="jxr_linenumber" name="67" href="#67">67</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> PagedResults<T>() {
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<a class="jxr_linenumber" name="68" href="#68">68</a> @Override
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<a class="jxr_linenumber" name="69" href="#69">69</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getMax() {
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<a class="jxr_linenumber" name="70" href="#70">70</a> <strong class="jxr_keyword">return</strong> max;
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<a class="jxr_linenumber" name="71" href="#71">71</a> }
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<a class="jxr_linenumber" name="72" href="#72">72</a>
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<a class="jxr_linenumber" name="73" href="#73">73</a> @Override
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<a class="jxr_linenumber" name="74" href="#74">74</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getOffset() {
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<a class="jxr_linenumber" name="75" href="#75">75</a> <strong class="jxr_keyword">return</strong> offset;
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<a class="jxr_linenumber" name="76" href="#76">76</a> }
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<a class="jxr_linenumber" name="77" href="#77">77</a>
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<a class="jxr_linenumber" name="78" href="#78">78</a> @Override
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<a class="jxr_linenumber" name="79" href="#79">79</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getTotal() {
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<a class="jxr_linenumber" name="80" href="#80">80</a> <strong class="jxr_keyword">return</strong> total;
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<a class="jxr_linenumber" name="81" href="#81">81</a> }
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<a class="jxr_linenumber" name="82" href="#82">82</a>
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<a class="jxr_linenumber" name="83" href="#83">83</a> @Override
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<a class="jxr_linenumber" name="84" href="#84">84</a> <strong class="jxr_keyword">public</strong> List<T> getResults() {
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<a class="jxr_linenumber" name="85" href="#85">85</a> <strong class="jxr_keyword">return</strong> ts;
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<a class="jxr_linenumber" name="86" href="#86">86</a> }
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<a class="jxr_linenumber" name="87" href="#87">87</a>
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<a class="jxr_linenumber" name="88" href="#88">88</a> @Override
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<a class="jxr_linenumber" name="89" href="#89">89</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getCount() {
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<a class="jxr_linenumber" name="90" href="#90">90</a> <strong class="jxr_keyword">return</strong> count;
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<a class="jxr_linenumber" name="91" href="#91">91</a> }
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<a class="jxr_linenumber" name="92" href="#92">92</a>
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<a class="jxr_linenumber" name="93" href="#93">93</a> @Override
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<a class="jxr_linenumber" name="94" href="#94">94</a> <strong class="jxr_keyword">public</strong> Iterator<T> iterator() {
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<a class="jxr_linenumber" name="95" href="#95">95</a> <strong class="jxr_keyword">return</strong> ts.iterator();
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<a class="jxr_linenumber" name="96" href="#96">96</a> }
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<a class="jxr_linenumber" name="97" href="#97">97</a> };
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<a class="jxr_linenumber" name="98" href="#98">98</a> }
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<a class="jxr_linenumber" name="99" href="#99">99</a>
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<a class="jxr_linenumber" name="100" href="#100">100</a> <em class="jxr_javadoccomment">/**</em>
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<a class="jxr_linenumber" name="101" href="#101">101</a> <em class="jxr_javadoccomment"> * Return an integer value of an attribute of an element, or a default value if it is not found or not an integer.</em>
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<a class="jxr_linenumber" name="102" href="#102">102</a> <em class="jxr_javadoccomment"> *</em>
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<a class="jxr_linenumber" name="103" href="#103">103</a> <em class="jxr_javadoccomment"> * @param el the element</em>
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<a class="jxr_linenumber" name="104" href="#104">104</a> <em class="jxr_javadoccomment"> * @param attribute attribute name</em>
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<a class="jxr_linenumber" name="105" href="#105">105</a> <em class="jxr_javadoccomment"> * @param defValue default value to return</em>
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<a class="jxr_linenumber" name="106" href="#106">106</a> <em class="jxr_javadoccomment"> */</em>
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<a class="jxr_linenumber" name="107" href="#107">107</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> integerAttribute(Element el, <strong class="jxr_keyword">final</strong> String attribute, <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> defValue) {
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<a class="jxr_linenumber" name="108" href="#108">108</a> <strong class="jxr_keyword">int</strong> parseMax = defValue;
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<a class="jxr_linenumber" name="109" href="#109">109</a> <strong class="jxr_keyword">try</strong> {
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<a class="jxr_linenumber" name="110" href="#110">110</a> <strong class="jxr_keyword">final</strong> String max1 = <strong class="jxr_keyword">null</strong> != el.attribute(attribute) ? el.attribute(attribute).getStringValue() : <strong class="jxr_keyword">null</strong>;
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<a class="jxr_linenumber" name="111" href="#111">111</a> parseMax = <strong class="jxr_keyword">null</strong> != max1 ? Integer.parseInt(max1) : defValue;
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<a class="jxr_linenumber" name="112" href="#112">112</a> } <strong class="jxr_keyword">catch</strong> (NumberFormatException e) {
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<a class="jxr_linenumber" name="113" href="#113">113</a> }
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<a class="jxr_linenumber" name="114" href="#114">114</a> <strong class="jxr_keyword">return</strong> parseMax;
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<a class="jxr_linenumber" name="115" href="#115">115</a> }
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<a class="jxr_linenumber" name="116" href="#116">116</a> }
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</pre>
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