001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.geronimo.deployment; 018 019 import java.util.Collection; 020 import java.util.Collections; 021 022 import javax.xml.namespace.QName; 023 024 import org.apache.geronimo.deployment.xmlbeans.XmlBeansUtil; 025 import org.apache.geronimo.gbean.ReferenceCollection; 026 import org.apache.geronimo.gbean.ReferenceCollectionEvent; 027 import org.apache.geronimo.gbean.ReferenceCollectionListener; 028 import org.apache.xmlbeans.QNameSet; 029 030 /** 031 * @version $Rev: 535381 $ $Date: 2007-05-04 17:04:18 -0400 (Fri, 04 May 2007) $ 032 */ 033 public abstract class AbstractBuilderCollection<T> { 034 protected final Collection<T> builders; 035 protected final QName basePlanElementName; 036 protected QNameSet specQNames = QNameSet.EMPTY; 037 protected QNameSet planQNames = QNameSet.EMPTY; 038 039 protected AbstractBuilderCollection(Collection<T> builders, final QName basePlanElementName) { 040 this.builders = builders == null ? Collections.EMPTY_SET : builders; 041 this.basePlanElementName = basePlanElementName; 042 if (builders instanceof ReferenceCollection) { 043 ((ReferenceCollection) builders).addReferenceCollectionListener(new ReferenceCollectionListener() { 044 045 public void memberAdded(ReferenceCollectionEvent event) { 046 addBuilder((T) event.getMember()); 047 } 048 049 public void memberRemoved(ReferenceCollectionEvent event) { 050 T builder = (T) event.getMember(); 051 QNameSet builderSpecQNames = ((AbstractNamespaceBuilder) builder).getSpecQNameSet(); 052 specQNames = specQNames.intersect(builderSpecQNames.inverse()); 053 QNameSet builderPlanQNames = ((AbstractNamespaceBuilder) builder).getPlanQNameSet(); 054 planQNames = planQNames.intersect(builderPlanQNames.inverse()); 055 XmlBeansUtil.unregisterSubstitutionGroupElements(basePlanElementName, builderPlanQNames); 056 } 057 }); 058 } 059 for (T builder : this.builders) { 060 addBuilder(builder); 061 } 062 } 063 064 065 protected void addBuilder(T builder) { 066 QNameSet builderSpecQNames = ((AbstractNamespaceBuilder) builder).getSpecQNameSet(); 067 QNameSet builderPlanQNames = ((AbstractNamespaceBuilder) builder).getPlanQNameSet(); 068 if (builderSpecQNames == null) { 069 throw new IllegalStateException("Builder " + builder + " is missing spec qnames"); 070 } 071 if (builderPlanQNames == null) { 072 throw new IllegalStateException("Builder " + builder + " is missing plan qnames"); 073 } 074 if (!specQNames.isDisjoint(builderSpecQNames) && !planQNames.isDisjoint(builderPlanQNames)) { 075 throw new IllegalArgumentException("Duplicate builderSpecQNames in builder set: " + builderSpecQNames + " and duplicate builderPlanQNames in builder set: " + builderPlanQNames); 076 } 077 try { 078 specQNames = specQNames.union(builderSpecQNames); 079 planQNames = planQNames.union(builderPlanQNames); 080 } catch (NullPointerException e) { 081 throw (IllegalArgumentException) new IllegalArgumentException("could not merge qnamesets for builder " + builder).initCause(e); 082 083 } 084 //really? 085 XmlBeansUtil.registerSubstitutionGroupElements(basePlanElementName, builderPlanQNames); 086 } 087 088 public QNameSet getSpecQNameSet() { 089 return specQNames; 090 } 091 092 public QNameSet getPlanQNameSet() { 093 return null; 094 } 095 }