navbartag.java

来自「jGossip是一个简单而功能强大的Java论坛软件（消息板）」· Java 代码 · 共 107 行

/*
 * $$Id: NavBarTag.java,v 1.3 2004/01/26 11:32:05 bel70 Exp $$
 *
 * ***** BEGIN LICENSE BLOCK *****
 * The contents of this file are subject to the Mozilla Public License
 * Version 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
 * the License for the specific language governing rights and 
 * limitations under the License.
 *
 * The Original Code is JGossip forum code.
 *
 * The Initial Developer of the Original Code is the JResearch, Org. 
 * Portions created by the Initial Developer are Copyright (C) 2004 
 * the Initial Developer. All Rights Reserved. 
 * 
 * Contributor(s): 
 *              Dmitry Belov <[e-mail]>
 *        
 * ***** END LICENSE BLOCK ***** */
/*
 * Created on Oct 6, 2003
 *
  */
package org.jresearch.gossip.tags.navbar;

import java.util.ArrayList;

import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.TagSupport;


/**
 * DOCUMENT ME!
 *
 * @author Bel
 */
public class NavBarTag extends TagSupport {
    private String id;
    private ArrayList navElements;

    /**
     * DOCUMENT ME!
     *
     * @return DOCUMENT ME!
     *
     * @throws JspException DOCUMENT ME!
     */
    public int doStartTag() throws JspException {
        try {
            this.navElements = new ArrayList();
        } catch (Exception ex) {
            throw new JspException("error in BlockOptionsTag tag:", ex);
        }

        return (super.EVAL_BODY_INCLUDE);
    }

    /**
     * DOCUMENT ME!
     *
     * @return DOCUMENT ME!
     *
     * @throws JspException DOCUMENT ME!
     */
    public int doEndTag() throws JspException {
        try {
            pageContext.setAttribute(id, this.navElements);
        } catch (Exception ex) {
            throw new JspException("error in BlockOptionsTag tag:", ex);
        }

        return (super.EVAL_PAGE);
    }

    /**
     * DOCUMENT ME!
     *
     * @param nav DOCUMENT ME!
     */
    public void addNavElement(NavElement nav) {
        this.navElements.add(nav);
    }

    /**
     * DOCUMENT ME!
     *
     * @return
     */
    public String getId() {
        return id;
    }

    /**
     * DOCUMENT ME!
     *
     * @param string
     */
    public void setId(String string) {
        id = string;
    }
}