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 */
019package org.apache.wiki.tags;
020
021import org.apache.wiki.api.core.Context;
022import org.apache.wiki.ui.admin.AdminBean;
023import org.apache.wiki.ui.admin.AdminBeanManager;
024
025import java.util.ArrayList;
026import java.util.Collection;
027
028/**
029 *  Provides an iterator for all AdminBeans of a given type.
030 *
031 */
032public 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( final String type ) {
044        if (m_wikiContext == null) {
045            m_wikiContext = Context.findContext(pageContext);
046        }
047        m_type = m_wikiContext.getEngine().getManager( AdminBeanManager.class ).getTypeFromString( type );
048    }
049
050    /**
051     *  {@inheritDoc}
052     */
053    @Override
054    public void resetIterator() {
055        final AdminBeanManager mgr = m_wikiContext.getEngine().getManager( AdminBeanManager.class );
056        final Collection< AdminBean > beans = mgr.getAllBeans();
057        final ArrayList< AdminBean > typedBeans = new ArrayList<>();
058        for( final AdminBean ab : beans ) {
059            if( ab.getType() == m_type ) {
060                typedBeans.add( ab );
061            }
062        }
063
064        setList( typedBeans );
065    }
066
067}