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}