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<a name="1" href="#1">1</a> <em class="comment">/*</em>
<a name="2" href="#2">2</a> <em class="comment"> * MenuRepository.java</em>
<a name="3" href="#3">3</a> <em class="comment"> *</em>
<a name="4" href="#4">4</a> <em class="comment"> * Created on January 29, 2001, 9:51 AM</em>
<a name="5" href="#5">5</a> <em class="comment"> */</em>
<a name="6" href="#6">6</a> <strong>package</strong> net.sf.navigator.menu;
<a name="7" href="#7">7</a>
<a name="8" href="#8">8</a> <strong>import</strong> net.sf.navigator.displayer.MenuDisplayerMapping;
<a name="9" href="#9">9</a> <strong>import</strong> net.sf.navigator.displayer.VelocityMenuDisplayer;
<a name="10" href="#10">10</a> <strong>import</strong> net.sf.navigator.util.LoadableResource;
<a name="11" href="#11">11</a> <strong>import</strong> net.sf.navigator.util.LoadableResourceException;
<a name="12" href="#12">12</a> <strong>import</strong> org.apache.commons.collections.map.LinkedMap;
<a name="13" href="#13">13</a> <strong>import</strong> org.apache.commons.digester.Digester;
<a name="14" href="#14">14</a> <strong>import</strong> org.apache.commons.logging.Log;
<a name="15" href="#15">15</a> <strong>import</strong> org.apache.commons.logging.LogFactory;
<a name="16" href="#16">16</a>
<a name="17" href="#17">17</a> <strong>import</strong> javax.servlet.ServletContext;
<a name="18" href="#18">18</a> <strong>import</strong> java.io.InputStream;
<a name="19" href="#19">19</a> <strong>import</strong> java.io.Serializable;
<a name="20" href="#20">20</a> <strong>import</strong> java.util.*;
<a name="21" href="#21">21</a>
<a name="22" href="#22">22</a> <em>/**</em>
<a name="23" href="#23">23</a> <em> * Holder of Menus and their items. Can be populated programmatically.</em>
<a name="24" href="#24">24</a> <em> *</em>
<a name="25" href="#25">25</a> <em> * @author ssayles, mraible</em>
<a name="26" href="#26">26</a> <em> */</em>
<a name="27" href="#27">27</a> <strong>public</strong> <strong>class</strong> <a href="../../../../net/sf/navigator/menu/MenuRepository.html">MenuRepository</a> implements LoadableResource, Serializable {
<a name="28" href="#28">28</a> <em class="comment">//~ Static fields/initializers =============================================</em>
<a name="29" href="#29">29</a>
<a name="30" href="#30">30</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> String MENU_REPOSITORY_KEY = <span class="string">"net.sf.navigator.menu.MENU_REPOSITORY"</span>;
<a name="31" href="#31">31</a> <strong>private</strong> <strong>static</strong> Log log = LogFactory.getLog(MenuRepository.<strong>class</strong>);
<a name="32" href="#32">32</a>
<a name="33" href="#33">33</a> <em class="comment">//~ Instance fields ========================================================</em>
<a name="34" href="#34">34</a>
<a name="35" href="#35">35</a> <strong>protected</strong> String config = <strong>null</strong>;
<a name="36" href="#36">36</a> <strong>protected</strong> String name = <strong>null</strong>;
<a name="37" href="#37">37</a> <strong>protected</strong> ServletContext servletContext = <strong>null</strong>;
<a name="38" href="#38">38</a> <strong>protected</strong> LinkedMap menus = <strong>new</strong> LinkedMap();
<a name="39" href="#39">39</a> <strong>protected</strong> LinkedMap displayers = <strong>new</strong> LinkedMap();
<a name="40" href="#40">40</a> <strong>protected</strong> LinkedMap templates = <strong>new</strong> LinkedMap();
<a name="41" href="#41">41</a> <strong>private</strong> String breadCrumbDelimiter;
<a name="42" href="#42">42</a>
<a name="43" href="#43">43</a> <em class="comment">//~ Methods ================================================================</em>
<a name="44" href="#44">44</a> <strong>public</strong> Set getMenuNames() {
<a name="45" href="#45">45</a> <strong>return</strong> menus.keySet();
<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> * Convenience method for dynamic menus - returns the top-level menus</em>
<a name="50" href="#50">50</a> <em> * only.</em>
<a name="51" href="#51">51</a> <em> */</em>
<a name="52" href="#52">52</a> <strong>public</strong> List getTopMenus() {
<a name="53" href="#53">53</a> List topMenus = <strong>new</strong> ArrayList();
<a name="54" href="#54">54</a> <strong>if</strong> (menus == <strong>null</strong>) {
<a name="55" href="#55">55</a> log.warn(<span class="string">"No menus found in repository!"</span>);
<a name="56" href="#56">56</a> <strong>return</strong> topMenus;
<a name="57" href="#57">57</a> }
<a name="58" href="#58">58</a>
<a name="59" href="#59">59</a> <strong>for</strong> (Iterator it = menus.keySet().iterator(); it.hasNext();) {
<a name="60" href="#60">60</a> String name = (String) it.next();
<a name="61" href="#61">61</a> <a href="../../../../net/sf/navigator/menu/MenuComponent.html">MenuComponent</a> menu = getMenu(name);
<a name="62" href="#62">62</a> <strong>if</strong> (menu.getParent() == <strong>null</strong>) {
<a name="63" href="#63">63</a> topMenus.add(menu);
<a name="64" href="#64">64</a> }
<a name="65" href="#65">65</a> }
<a name="66" href="#66">66</a> <strong>return</strong> topMenus;
<a name="67" href="#67">67</a> }
<a name="68" href="#68">68</a>
<a name="69" href="#69">69</a> <strong>public</strong> <a href="../../../../net/sf/navigator/menu/MenuComponent.html">MenuComponent</a> getMenu(String menuName) {
<a name="70" href="#70">70</a> <strong>return</strong> (MenuComponent) menus.get(menuName);
<a name="71" href="#71">71</a> }
<a name="72" href="#72">72</a>
<a name="73" href="#73">73</a> <strong>public</strong> <a href="../../../../net/sf/navigator/displayer/MenuDisplayerMapping.html">MenuDisplayerMapping</a> getMenuDisplayerMapping(String displayerName) {
<a name="74" href="#74">74</a> <strong>return</strong> (MenuDisplayerMapping) displayers.get(displayerName);
<a name="75" href="#75">75</a> }
<a name="76" href="#76">76</a>
<a name="77" href="#77">77</a> <strong>protected</strong> Digester initDigester() {
<a name="78" href="#78">78</a> Digester digester = <strong>new</strong> Digester();
<a name="79" href="#79">79</a> digester.setClassLoader(Thread.currentThread().getContextClassLoader());
<a name="80" href="#80">80</a> digester.push(<strong>this</strong>);
<a name="81" href="#81">81</a>
<a name="82" href="#82">82</a> <em class="comment">//digester.setDebug(getDebug());</em>
<a name="83" href="#83">83</a> <em class="comment">// 1</em>
<a name="84" href="#84">84</a> digester.addObjectCreate(<span class="string">"MenuConfig/Menus/Menu"</span>, <span class="string">"net.sf.navigator.menu.MenuComponent"</span>, <span class="string">"type"</span>);
<a name="85" href="#85">85</a> digester.addSetProperties(<span class="string">"MenuConfig/Menus/Menu"</span>);
<a name="86" href="#86">86</a> digester.addSetNext(<span class="string">"MenuConfig/Menus/Menu"</span>, <span class="string">"addMenu"</span>);
<a name="87" href="#87">87</a>
<a name="88" href="#88">88</a> <em class="comment">// 2</em>
<a name="89" href="#89">89</a> digester.addObjectCreate(<span class="string">"MenuConfig/Menus/Menu/Item"</span>, <span class="string">"net.sf.navigator.menu.MenuComponent"</span>, <span class="string">"type"</span>);
<a name="90" href="#90">90</a> digester.addSetProperties(<span class="string">"MenuConfig/Menus/Menu/Item"</span>);
<a name="91" href="#91">91</a> digester.addSetNext(<span class="string">"MenuConfig/Menus/Menu/Item"</span>, <span class="string">"addMenuComponent"</span>, <span class="string">"net.sf.navigator.menu.MenuComponent"</span>);
<a name="92" href="#92">92</a>
<a name="93" href="#93">93</a> <em class="comment">// 3 </em>
<a name="94" href="#94">94</a> digester.addObjectCreate(<span class="string">"MenuConfig/Menus/Menu/Item/Item"</span>, <span class="string">"net.sf.navigator.menu.MenuComponent"</span>, <span class="string">"type"</span>);
<a name="95" href="#95">95</a> digester.addSetProperties(<span class="string">"MenuConfig/Menus/Menu/Item/Item"</span>);
<a name="96" href="#96">96</a> digester.addSetNext(<span class="string">"MenuConfig/Menus/Menu/Item/Item"</span>, <span class="string">"addMenuComponent"</span>, <span class="string">"net.sf.navigator.menu.MenuComponent"</span>);
<a name="97" href="#97">97</a>
<a name="98" href="#98">98</a> <em class="comment">// 4</em>
<a name="99" href="#99">99</a> digester.addObjectCreate(<span class="string">"MenuConfig/Menus/Menu/Item/Item/Item"</span>, <span class="string">"net.sf.navigator.menu.MenuComponent"</span>, <span class="string">"type"</span>);
<a name="100" href="#100">100</a> digester.addSetProperties(<span class="string">"MenuConfig/Menus/Menu/Item/Item/Item"</span>);
<a name="101" href="#101">101</a> digester.addSetNext(<span class="string">"MenuConfig/Menus/Menu/Item/Item/Item"</span>, <span class="string">"addMenuComponent"</span>, <span class="string">"net.sf.navigator.menu.MenuComponent"</span>);
<a name="102" href="#102">102</a>
<a name="103" href="#103">103</a> <em class="comment">// 5</em>
<a name="104" href="#104">104</a> digester.addObjectCreate(<span class="string">"MenuConfig/Menus/Menu/Item/Item/Item/Item"</span>, <span class="string">"net.sf.navigator.menu.MenuComponent"</span>, <span class="string">"type"</span>);
<a name="105" href="#105">105</a> digester.addSetProperties(<span class="string">"MenuConfig/Menus/Menu/Item/Item/Item/Item"</span>);
<a name="106" href="#106">106</a> digester.addSetNext(<span class="string">"MenuConfig/Menus/Menu/Item/Item/Item/Item"</span>, <span class="string">"addMenuComponent"</span>, <span class="string">"net.sf.navigator.menu.MenuComponent"</span>);
<a name="107" href="#107">107</a>
<a name="108" href="#108">108</a> <em class="comment">// 6</em>
<a name="109" href="#109">109</a> digester.addObjectCreate(<span class="string">"MenuConfig/Menus/Menu/Item/Item/Item/Item/Item"</span>, <span class="string">"net.sf.navigator.menu.MenuComponent"</span>, <span class="string">"type"</span>);
<a name="110" href="#110">110</a> digester.addSetProperties(<span class="string">"MenuConfig/Menus/Menu/Item/Item/Item/Item/Item"</span>);
<a name="111" href="#111">111</a> digester.addSetNext(<span class="string">"MenuConfig/Menus/Menu/Item/Item/Item/Item/Item"</span>, <span class="string">"addMenuComponent"</span>, <span class="string">"net.sf.navigator.menu.MenuComponent"</span>);
<a name="112" href="#112">112</a>
<a name="113" href="#113">113</a> <em class="comment">// 7</em>
<a name="114" href="#114">114</a> digester.addObjectCreate(<span class="string">"MenuConfig/Menus/Menu/Item/Item/Item/Item/Item/Item"</span>, <span class="string">"net.sf.navigator.menu.MenuComponent"</span>, <span class="string">"type"</span>);
<a name="115" href="#115">115</a> digester.addSetProperties(<span class="string">"MenuConfig/Menus/Menu/Item/Item/Item/Item/Item/Item"</span>);
<a name="116" href="#116">116</a> digester.addSetNext(<span class="string">"MenuConfig/Menus/Menu/Item/Item/Item/Item/Item/Item"</span>, <span class="string">"addMenuComponent"</span>, <span class="string">"net.sf.navigator.menu.MenuComponent"</span>);
<a name="117" href="#117">117</a>
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