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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="null" lang="null"><head><meta http-equiv="content-type" content="text/html; charset=ISO-8859-1" /><title>DisplayMenuTag xref</title><link type="text/css" rel="stylesheet" href="../../../../../stylesheet.css" /></head><body><div id="overview"><a href="../../../../../../apidocs/net/sf/navigator/taglib/el/DisplayMenuTag.html">View Javadoc</a></div><pre>
<a name="1" href="#1">1</a> <strong>package</strong> net.sf.navigator.taglib.el;
<a name="2" href="#2">2</a>
<a name="3" href="#3">3</a> <strong>import</strong> net.sf.navigator.menu.MenuComponent;
<a name="4" href="#4">4</a>
<a name="5" href="#5">5</a> <strong>import</strong> javax.servlet.jsp.JspException;
<a name="6" href="#6">6</a> <strong>import</strong> java.net.MalformedURLException;
<a name="7" href="#7">7</a>
<a name="8" href="#8">8</a>
<a name="9" href="#9">9</a> <em>/**</em>
<a name="10" href="#10">10</a> <em> * This tag acts the same as net.sf.navigator.taglib.DisplayMenuTag, except</em>
<a name="11" href="#11">11</a> <em> * that it allows JSTL Expressions in it's name and target attributes.</em>
<a name="12" href="#12">12</a> <em> *</em>
<a name="13" href="#13">13</a> <em> * @author Matt Raible</em>
<a name="14" href="#14">14</a> <em> * @version $Revision: 1.6 $ $Date: 2006/07/09 08:08:10 $</em>
<a name="15" href="#15">15</a> <em> */</em>
<a name="16" href="#16">16</a> <strong>public</strong> <strong>class</strong> <a href="../../../../../net/sf/navigator/taglib/el/DisplayMenuTag.html">DisplayMenuTag</a> <strong>extends</strong> net.sf.navigator.taglib.DisplayMenuTag {
<a name="17" href="#17">17</a> <strong>private</strong> String name;
<a name="18" href="#18">18</a> <strong>private</strong> String target;
<a name="19" href="#19">19</a>
<a name="20" href="#20">20</a> <strong>public</strong> <strong>void</strong> setName(String name) {
<a name="21" href="#21">21</a> <strong>this</strong>.name = name;
<a name="22" href="#22">22</a> }
<a name="23" href="#23">23</a>
<a name="24" href="#24">24</a> <strong>public</strong> <strong>void</strong> setTarget(String target) {
<a name="25" href="#25">25</a> <strong>this</strong>.target = target;
<a name="26" href="#26">26</a> }
<a name="27" href="#27">27</a>
<a name="28" href="#28">28</a> <strong>public</strong> <a href="../../../../../net/sf/navigator/taglib/el/DisplayMenuTag.html">DisplayMenuTag</a>() {
<a name="29" href="#29">29</a> <strong>super</strong>();
<a name="30" href="#30">30</a> init();
<a name="31" href="#31">31</a> }
<a name="32" href="#32">32</a>
<a name="33" href="#33">33</a> <strong>private</strong> <strong>void</strong> init() {
<a name="34" href="#34">34</a> name = <strong>null</strong>;
<a name="35" href="#35">35</a> target = <strong>null</strong>;
<a name="36" href="#36">36</a> }
<a name="37" href="#37">37</a>
<a name="38" href="#38">38</a> <strong>public</strong> <strong>void</strong> release() {
<a name="39" href="#39">39</a> <strong>super</strong>.release();
<a name="40" href="#40">40</a> init();
<a name="41" href="#41">41</a> }
<a name="42" href="#42">42</a>
<a name="43" href="#43">43</a> <strong>public</strong> <strong>int</strong> doStartTag() throws JspException {
<a name="44" href="#44">44</a> evaluateExpressions();
<a name="45" href="#45">45</a> <strong>return</strong> <strong>super</strong>.doStartTag();
<a name="46" href="#46">46</a> }
<a name="47" href="#47">47</a>
<a name="48" href="#48">48</a> <em>/**</em>
<a name="49" href="#49">49</a> <em> * Overrides the setPageLocation in parentTag to use JSTL to evaluate</em>
<a name="50" href="#50">50</a> <em> * the URL. It's definitely ugly, so if you have a cleaner way, please</em>
<a name="51" href="#51">51</a> <em> * let me know!</em>
<a name="52" href="#52">52</a> <em> *</em>
<a name="53" href="#53">53</a> <em> * @param menu</em>
<a name="54" href="#54">54</a> <em> */</em>
<a name="55" href="#55">55</a> <strong>protected</strong> <strong>void</strong> setPageLocation(<a href="../../../../../net/sf/navigator/menu/MenuComponent.html">MenuComponent</a> menu)
<a name="56" href="#56">56</a> throws MalformedURLException, JspException {
<a name="57" href="#57">57</a> setLocation(menu);
<a name="58" href="#58">58</a> String url = menu.getLocation();
<a name="59" href="#59">59</a>
<a name="60" href="#60">60</a> <strong>if</strong> (url != <strong>null</strong>) {
<a name="61" href="#61">61</a> <a href="../../../../../net/sf/navigator/taglib/el/ExpressionEvaluator.html">ExpressionEvaluator</a> eval = <strong>new</strong> <a href="../../../../../net/sf/navigator/taglib/el/ExpressionEvaluator.html">ExpressionEvaluator</a>(<strong>this</strong>, pageContext);
<a name="62" href="#62">62</a> menu.setUrl(eval.evalString(<span class="string">"url"</span>, url));
<a name="63" href="#63">63</a> }
<a name="64" href="#64">64</a>
<a name="65" href="#65">65</a> <em class="comment">// do all contained menus</em>
<a name="66" href="#66">66</a> <a href="../../../../../net/sf/navigator/menu/MenuComponent.html">MenuComponent</a>[] subMenus = menu.getMenuComponents();
<a name="67" href="#67">67</a>
<a name="68" href="#68">68</a> <strong>if</strong> (subMenus.length > 0) {
<a name="69" href="#69">69</a> <strong>for</strong> (<strong>int</strong> i = 0; i < subMenus.length; i++) {
<a name="70" href="#70">70</a> <strong>this</strong>.setPageLocation(subMenus[i]);
<a name="71" href="#71">71</a> }
<a name="72" href="#72">72</a> }
<a name="73" href="#73">73</a> }
<a name="74" href="#74">74</a>
<a name="75" href="#75">75</a> <strong>private</strong> <strong>void</strong> evaluateExpressions() throws JspException {
<a name="76" href="#76">76</a> <a href="../../../../../net/sf/navigator/taglib/el/ExpressionEvaluator.html">ExpressionEvaluator</a> eval = <strong>new</strong> <a href="../../../../../net/sf/navigator/taglib/el/ExpressionEvaluator.html">ExpressionEvaluator</a>(<strong>this</strong>, pageContext);
<a name="77" href="#77">77</a>
<a name="78" href="#78">78</a> <strong>if</strong> (name != <strong>null</strong>) {
<a name="79" href="#79">79</a> <strong>super</strong>.setName(eval.evalString(<span class="string">"name"</span>, name));
<a name="80" href="#80">80</a> }
<a name="81" href="#81">81</a>
<a name="82" href="#82">82</a> <strong>if</strong> (target != <strong>null</strong>) {
<a name="83" href="#83">83</a> <strong>super</strong>.setTarget(eval.evalString(<span class="string">"target"</span>, target));
<a name="84" href="#84">84</a> }
<a name="85" href="#85">85</a> }
<a name="86" href="#86">86</a> }
</pre><hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body></html>
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