/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.geronimo.deployment;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import javax.xml.namespace.QName;
import org.apache.xmlbeans.QNameSet;
import org.apache.geronimo.deployment.xmlbeans.XmlBeansUtil;
import org.apache.geronimo.gbean.ReferenceCollection;
import org.apache.geronimo.gbean.ReferenceCollectionListener;
import org.apache.geronimo.gbean.ReferenceCollectionEvent;
/**
* @version $Rev: 476049 $ $Date: 2006-11-16 23:35:17 -0500 (Thu, 16 Nov 2006) $
*/
public abstract class AbstractBuilderCollection {
protected final Collection builders;
protected final QName basePlanElementName;
protected QNameSet specQNames = QNameSet.EMPTY;
protected QNameSet planQNames = QNameSet.EMPTY;
protected AbstractBuilderCollection(Collection builders, final QName basePlanElementName) {
this.builders = builders == null ? Collections.EMPTY_SET : builders;
this.basePlanElementName = basePlanElementName;
if (builders instanceof ReferenceCollection) {
((ReferenceCollection) builders).addReferenceCollectionListener(new ReferenceCollectionListener() {
public void memberAdded(ReferenceCollectionEvent event) {
addBuilder(event.getMember());
}
public void memberRemoved(ReferenceCollectionEvent event) {
Object builder = event.getMember();
QNameSet builderSpecQNames = ((AbstractNamespaceBuilder) builder).getSpecQNameSet();
specQNames = specQNames.intersect(builderSpecQNames.inverse());
QNameSet builderPlanQNames = ((AbstractNamespaceBuilder) builder).getPlanQNameSet();
planQNames = planQNames.intersect(builderPlanQNames.inverse());
XmlBeansUtil.unregisterSubstitutionGroupElements(basePlanElementName, builderPlanQNames);
}
});
}
for (Iterator iterator = this.builders.iterator(); iterator.hasNext();) {
Object builder = iterator.next();
addBuilder(builder);
}
}
protected void addBuilder(Object builder) {
QNameSet builderSpecQNames = ((AbstractNamespaceBuilder) builder).getSpecQNameSet();
QNameSet builderPlanQNames = ((AbstractNamespaceBuilder) builder).getPlanQNameSet();
if (builderSpecQNames == null) {
throw new IllegalStateException("Builder " + builder + " is missing spec qnames");
}
if (builderPlanQNames == null) {
throw new IllegalStateException("Builder " + builder + " is missing plan qnames");
}
if (!specQNames.isDisjoint(builderSpecQNames) && !planQNames.isDisjoint(builderPlanQNames)) {
throw new IllegalArgumentException("Duplicate builderSpecQNames in builder set: " + builderSpecQNames + " and duplicate builderPlanQNames in builder set: " + builderPlanQNames);
}
try {
specQNames = specQNames.union(builderSpecQNames);
planQNames = planQNames.union(builderPlanQNames);
} catch (NullPointerException e) {
throw (IllegalArgumentException) new IllegalArgumentException("could not merge qnamesets for builder " + builder).initCause(e);
}
//really?
XmlBeansUtil.registerSubstitutionGroupElements(basePlanElementName, builderPlanQNames);
}
public QNameSet getSpecQNameSet() {
return specQNames;
}
public QNameSet getPlanQNameSet() {
return null;
}
}