mypageslistbox.java

来自「jetspeed源代码」· Java 代码 · 共 115 行

package org.apache.jetspeed.modules.parameters;

/*
 * Copyright 2000-2001,2004 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.
 */

// Java stuff
import java.util.Hashtable;
import java.util.Iterator;
import java.util.Map;

// Jetspeed
import org.apache.jetspeed.om.profile.Profile;
import org.apache.jetspeed.om.profile.QueryLocator;
import org.apache.jetspeed.services.Profiler;
import org.apache.jetspeed.services.logging.JetspeedLogFactoryService;
import org.apache.jetspeed.services.logging.JetspeedLogger;
import org.apache.jetspeed.services.rundata.JetspeedRunData;
import org.apache.jetspeed.util.PortletUtils;
import org.apache.jetspeed.modules.actions.portlets.PsmlManagerAction;

// Turbine stuff
import org.apache.turbine.util.RunData;

// Velocity stuff
import org.apache.velocity.context.Context;

/**
 * Returns list box control populated with pmsl pages for current user for current media type.
 * @author <a href="[e-mail]">Mark Orciuch</a>
 * @version $Id: MyPagesListBox.java,v 1.5 2004/02/23 03:01:20 jford Exp $  
 */

public class MyPagesListBox extends VelocityParameterPresentationStyle
{

    /**
     * Static initialization of the logger for this class
     */    
    private static final JetspeedLogger logger = JetspeedLogFactoryService.getLogger(MyPagesListBox.class.getName());     
    
    /**
     * Put custom objects in the velocity context
     * 
     * @param data
     * @param name
     * @param value
     * @param parms
     * @param context
     */
    public void buildContext(RunData rundata, String name, String value, Map parms, Context context)
    {
        Map entries = null;

        try
        {
            entries = (Map) rundata.getUser().getTemp(PsmlManagerAction.CACHED_PSML);
            if (entries == null)
            {            
                // Initialize the query locator
                QueryLocator ql = new QueryLocator(QueryLocator.QUERY_USER);

                JetspeedRunData jdata = (JetspeedRunData) rundata;
                ql.setUser(jdata.getJetspeedUser());
                //ql.setMediaType(jdata.getCapability().getPreferredMediaType());
                entries = new Hashtable();
                Iterator i = Profiler.query(ql);
                while (i.hasNext())
                {
                    Profile profile = (Profile) i.next();

                    String mediaType = profile.getMediaType();
                    if (mediaType != null && mediaType.equals(jdata.getCapability().getPreferredMediaType()))
                    {
                        if (PortletUtils.canAccessProfile(rundata, profile))
                        {
                            if (logger.isDebugEnabled())
                            {
                                logger.debug("MyPagesListBox: refreshing user profile list: " + profile.getPath());
                            }
                            String title = profile.getName();
                            if (profile.getRootSet() != null && profile.getRootSet().getTitle() != null)
                            {
                                title = profile.getRootSet().getTitle();
                            }
                            entries.put(profile, title);                
                        }
                    }
                }

                rundata.getUser().setTemp(PsmlManagerAction.CACHED_PSML, entries);
            }

            context.put("pages", entries);
        }
        catch (Exception e)
        {
            logger.error("Exception", e);
        }

    }

}