001    /* 
002        Licensed to the Apache Software Foundation (ASF) under one
003        or more contributor license agreements.  See the NOTICE file
004        distributed with this work for additional information
005        regarding copyright ownership.  The ASF licenses this file
006        to you under the Apache License, Version 2.0 (the
007        "License"); you may not use this file except in compliance
008        with the License.  You may obtain a copy of the License at
009    
010           http://www.apache.org/licenses/LICENSE-2.0
011    
012        Unless required by applicable law or agreed to in writing,
013        software distributed under the License is distributed on an
014        "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015        KIND, either express or implied.  See the License for the
016        specific language governing permissions and limitations
017        under the License.  
018     */
019    package org.apache.wiki.tags;
020    
021    import java.util.ArrayList;
022    import java.util.Collection;
023    import java.util.Iterator;
024    
025    import org.apache.wiki.api.engine.AdminBeanManager;
026    import org.apache.wiki.ui.admin.AdminBean;
027    
028    /**
029     *  Provides an iterator for all AdminBeans of a given type.
030     *
031     */
032    public class AdminBeanIteratorTag extends IteratorTag {
033        
034        private static final long serialVersionUID = 1L;
035    
036        private int m_type;
037    
038        /**
039         *  Set the type of the bean.
040         *  
041         *  @param type Type to set
042         */
043        public void setType( String type ) {
044            m_type = m_wikiContext.getEngine().getAdminBeanManager().getTypeFromString( type );
045        }
046    
047        /**
048         *  {@inheritDoc}
049         */
050        @Override
051        public void resetIterator() {
052            AdminBeanManager mgr = m_wikiContext.getEngine().getAdminBeanManager();
053            Collection< AdminBean > beans = mgr.getAllBeans();
054            ArrayList< AdminBean > typedBeans = new ArrayList< AdminBean >();
055            for( Iterator< AdminBean > i = beans.iterator(); i.hasNext(); ) {
056                AdminBean ab = i.next();
057                if( ab.getType() == m_type ) {
058                    typedBeans.add( ab );
059                }
060            }
061    
062            setList( typedBeans );
063        }
064    
065    }