sampletreebuilder.java

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package netstore.framework.util.tree;

/*
 * Copyright 2002,2004 The Apache Software Foundation.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.net.URLEncoder;
import java.util.Locale;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import org.apache.struts.action.Action;
import org.apache.struts.util.MessageResources;

import javax.servlet.ServletContext;
import org.apache.log4j.*;
/**
 * Implementation of <code>TreeBuilder</code> that adds the nodes required
 * for administering the user database.
 *
 * @author Craig R. McClanahan
 * @version $Revision: 1.4 $ $Date: 2004/03/04 18:44:52 $
 * @since 4.1
 */

public class SampleTreeBuilder {

	private static Logger logger = Logger.getLogger(SampleTreeBuilder.class.getName());
    // ----------------------------------------------------- Instance Variables


    // ---------------------------------------------------- TreeBuilder Methods


    /**
     * Add the required nodes to the specified <code>treeControl</code>
     * instance.
     *
     * @param treeControl The <code>TreeControl</code> to which we should
     *  add our nodes
     * @param servlet The controller servlet for the admin application
     * @param request The servlet request we are processing
     */
    public void buildTree(TreeControl treeControl,
    		MessageResources resources,	Locale locale
    
    ) {

        addSubtree(treeControl.getRoot(), resources, locale);
    }


    // ------------------------------------------------------ Protected Methods


    /**
     * Add the subtree of nodes required for user administration.
     *
     * @param root The root node of our tree control
     * @param resources The MessageResources for our localized messages
     *  messages
     */
    protected void addSubtree(TreeControlNode root,
                              MessageResources resources, Locale locale) {

        String databaseName = "Users:type=UserDatabase,database=UserDatabase";

        logger.info("开始生成子树");
        logger.info(resources.getMessage(locale, "users.treeBuilder.subtreeNode"));
        logger.info(resources.getMessage(locale, "users.treeBuilder.groupsNode"));
        logger.info(resources.getMessage(locale, "users.treeBuilder.rolesNode"));
        
        TreeControlNode subtree = new TreeControlNode
            ("User Manager",
             "folder_16_pad.gif",
             "黄勇锋",
             "users/listGroups.do?databaseName=",
             "content",
             true, "Users");
        TreeControlNode groups = new TreeControlNode
            ("Groups",
             "Groups.gif",
             resources.getMessage(locale, "users.treeBuilder.groupsNode"),
             "users/listGroups.do?databaseName=",
             "content",
             false, "Users");
        TreeControlNode roles = new TreeControlNode
            ("Roles",
             "Roles.gif",
             resources.getMessage(locale, "users.treeBuilder.rolesNode"),
             "users/listGroups.do?databaseName=",
             "content",
             false, "Users");
        TreeControlNode users = new TreeControlNode
            ("Users",
             "Users.gif",
             resources.getMessage(locale, "users.treeBuilder.usersNode"),
             "users/listGroups.do?databaseName=",
             "content",
             false, "Users");

        root.addChild(subtree);
        subtree.addChild(users);
        subtree.addChild(groups);
        groups.addChild(roles);

    }


}