📄 rolespermissionsadapter.html
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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"> * RolesPermissionsAdapter.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 December 7, 2002 2:25 PM</em>
<a name="5" href="#5">5</a> <em class="comment"> */</em>
<a name="6" href="#6">6</a>
<a name="7" href="#7">7</a> <strong>package</strong> net.sf.navigator.menu;
<a name="8" href="#8">8</a>
<a name="9" href="#9">9</a> <strong>import</strong> javax.servlet.http.HttpServletRequest;
<a name="10" href="#10">10</a> <strong>import</strong> java.util.regex.Pattern;
<a name="11" href="#11">11</a>
<a name="12" href="#12">12</a> <em>/**</em>
<a name="13" href="#13">13</a> <em> * This class used container-managed security to check access</em>
<a name="14" href="#14">14</a> <em> * to menus. The roles are set in menu-config.xml.</em>
<a name="15" href="#15">15</a> <em> *</em>
<a name="16" href="#16">16</a> <em> * @author <a href="<a href="mailto:matt@raibledesigns.com" target="alexandria_uri">mailto:matt@raibledesigns.com</a>">Matt Raible</a></em>
<a name="17" href="#17">17</a> <em> */</em>
<a name="18" href="#18">18</a> <strong>public</strong> <strong>class</strong> <a href="../../../../net/sf/navigator/menu/RolesPermissionsAdapter.html">RolesPermissionsAdapter</a> implements <a href="../../../../net/sf/navigator/menu/PermissionsAdapter.html">PermissionsAdapter</a> {
<a name="19" href="#19">19</a> <strong>private</strong> Pattern delimiters = Pattern.compile(<span class="string">"(?<!\\\\),"</span>);
<a name="20" href="#20">20</a> <strong>private</strong> HttpServletRequest request;
<a name="21" href="#21">21</a>
<a name="22" href="#22">22</a> <strong>public</strong> <a href="../../../../net/sf/navigator/menu/RolesPermissionsAdapter.html">RolesPermissionsAdapter</a>(HttpServletRequest request) {
<a name="23" href="#23">23</a> <strong>this</strong>.request = request;
<a name="24" href="#24">24</a> }
<a name="25" href="#25">25</a>
<a name="26" href="#26">26</a> <em>/**</em>
<a name="27" href="#27">27</a> <em> * If the menu is allowed, this should return true.</em>
<a name="28" href="#28">28</a> <em> *</em>
<a name="29" href="#29">29</a> <em> * @return whether or not the menu is allowed.</em>
<a name="30" href="#30">30</a> <em> */</em>
<a name="31" href="#31">31</a> <strong>public</strong> <strong>boolean</strong> isAllowed(<a href="../../../../net/sf/navigator/menu/MenuComponent.html">MenuComponent</a> menu) {
<a name="32" href="#32">32</a> <strong>if</strong> (menu.getRoles() == <strong>null</strong>) {
<a name="33" href="#33">33</a> <strong>return</strong> <strong>true</strong>; <em class="comment">// no roles define, allow everyone</em>
<a name="34" href="#34">34</a> } <strong>else</strong> {
<a name="35" href="#35">35</a> <em class="comment">// Get the list of roles this menu allows</em>
<a name="36" href="#36">36</a> String[] allowedRoles = delimiters.split(menu.getRoles());
<a name="37" href="#37">37</a> <strong>for</strong> (<strong>int</strong> i=0; i < allowedRoles.length; i++) {
<a name="38" href="#38">38</a> <strong>if</strong> (request.isUserInRole(allowedRoles[i])) {
<a name="39" href="#39">39</a> <strong>return</strong> <strong>true</strong>;
<a name="40" href="#40">40</a> }
<a name="41" href="#41">41</a> }
<a name="42" href="#42">42</a> }
<a name="43" href="#43">43</a> <strong>return</strong> false;
<a name="44" href="#44">44</a> }
<a name="45" href="#45">45</a>
<a name="46" href="#46">46</a>
<a name="47" href="#47">47</a> }
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