    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;
    027import java.util.stream.Collectors;
    028
    029/**
    030 *  Provides an iterator for all AdminBeans of a given type.
    031 *
    032 */
    033public class AdminBeanIteratorTag extends IteratorTag {
    034
    035    private static final long serialVersionUID = 1L;
    036
    037    private int m_type;
    038
    039    /**
    040     *  Set the type of the bean.
    041     *
    042     *  @param type Type to set
    043     */
    044    public void setType( final String type ) {
    045        if (m_wikiContext == null) {
    046            m_wikiContext = Context.findContext(pageContext);
    047        }
    048        m_type = m_wikiContext.getEngine().getManager( AdminBeanManager.class ).getTypeFromString( type );
    049    }
    050
    051    /**
    052     *  {@inheritDoc}
    053     */
    054    @Override
    055    public void resetIterator() {
    056        final AdminBeanManager mgr = m_wikiContext.getEngine().getManager( AdminBeanManager.class );
    057        final Collection< AdminBean > beans = mgr.getAllBeans();
    058        final ArrayList< AdminBean > typedBeans = beans.stream().filter(ab -> ab.getType() == m_type).collect(Collectors.toCollection(ArrayList::new));
    059
    060        setList( typedBeans );
    061    }
    062
    063}