cmsjspnavelement.java

java 编写的程序

/*
 * File   : $Source: /usr/local/cvs/opencms/src/com/opencms/flex/jsp/Attic/CmsJspNavElement.java,v $
 * Date   : $Date: 2002/05/10 21:06:36 $
 * Version: $Revision: 1.1.2.1 $
 *
 * This library is part of OpenCms -
 * the Open Source Content Mananagement System
 *
 * Copyright (C) 2002  The OpenCms Group
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * For further information about OpenCms, please see the
 * OpenCms Website: http://www.opencms.org
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * First created on 4. Mai 2002, 21:49
 */

package com.opencms.flex.jsp;

import com.opencms.flex.cache.*;
import java.util.*;
import com.opencms.file.*;
import com.opencms.core.*;

/**
 * Description of the class CmsJspBeanNav here.
 *
 * @author  Alexander Kandzior ([e-mail])
 * @version $Revision: 1.1.2.1 $
 */
public class CmsJspNavElement implements Comparable {
    
    private String m_resource;
    private String m_text;
    private String m_title;
    private String m_description;
    private float m_position;
    private boolean m_hasNav;

    public CmsJspNavElement(String resource, Hashtable h) {
        m_resource = resource;
        
        m_title = (String)h.get(I_CmsConstants.C_PROPERTY_TITLE);
        m_description = (String)h.get(I_CmsConstants.C_PROPERTY_DESCRIPTION);
        m_text = (String)h.get(I_CmsConstants.C_PROPERTY_NAVTEXT);
        String pos = (String)h.get(I_CmsConstants.C_PROPERTY_NAVPOS);
        m_position = Float.MAX_VALUE;
        try {
            m_position = Float.parseFloat(pos);
        } catch (Exception ex) {}
        m_hasNav = ((m_text != null) || (m_position != Float.MAX_VALUE));
        if (m_text == null) m_text = "[missing " + I_CmsConstants.C_PROPERTY_NAVTEXT + " property for resource " + m_resource + "]";
    }

    public int compareTo(Object o) {
        if (o == null) return 0;
        if (! (o instanceof CmsJspNavElement)) return 0;
        float f = ((CmsJspNavElement)o).getNavPosition() - m_position;
        if (f > 0) return -1;
        if (f < 0) return 1;
        return 0;
    }
        
    public boolean equals(Object o) {
        if (o == null) return false;
        if (! (o instanceof CmsJspNavElement)) return false;
        return m_resource.equals(((CmsJspNavElement)o).getResourceName());
    }    
    
    public float getNavPosition() {
        return m_position;
    }
    
    public String getResourceName() {
        return m_resource;
    }
    
    public String getNavText() {
        return m_text;
    }
    
    public String getTitle() {
        return m_title;
    }
    
    public String getDescription() {
        return m_description;
    }
    
    public boolean isInNavigation() {
        return m_hasNav;
    }
    
    public boolean isFolderLink() {
        return m_resource.endsWith("/");
    }
    
    public static ArrayList getNavigationForFolder(CmsObject cms, String folder) {
        ArrayList list = new ArrayList();
        Vector v = null;
        try {
            v = cms.getResourcesInFolder(folder);
        } catch (Exception e) {
            return null;
        }
        Enumeration e = v.elements();
        while (e.hasMoreElements()) {
            CmsResource r = (CmsResource)e.nextElement();
            if (r.getState() != r.C_STATE_DELETED) {
                CmsJspNavElement element = getNavigationForResource(cms, r.getAbsolutePath());
                if ((element != null) && element.isInNavigation()) {
                    list.add(element);
                }
            }            
        }
        Collections.sort(list);
        return list;
    }
    
    public static CmsJspNavElement getNavigationForResource(CmsObject cms, String resource) {
        Hashtable h;
        try {
            h = cms.readAllProperties(resource);
        } catch (Exception e) {
            return null;
        }
        return new CmsJspNavElement(resource, h);
    }    
}