/**
* 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 org.apache.geronimo.deployment.xmlbeans.XmlBeansUtil;
import org.apache.geronimo.gbean.ReferenceCollection;
import org.apache.geronimo.gbean.ReferenceCollectionEvent;
import org.apache.geronimo.gbean.ReferenceCollectionListener;
import org.apache.xmlbeans.QNameSet;
/**
* @version $Rev: 741679 $ $Date: 2009-02-07 03:07:17 +0800 (Sat, 07 Feb 2009) $
*/
public abstract class AbstractBuilderCollection<T extends AbstractNamespaceBuilder> {
protected final Collection<T> builders;
protected QNameSet specQNames = QNameSet.EMPTY;
protected QNameSet planQNames = QNameSet.EMPTY;
protected AbstractBuilderCollection(Collection<T> builders) {
this.builders = builders == null ? Collections.<T>emptySet() : builders;
if (builders instanceof ReferenceCollection) {
((ReferenceCollection) builders).addReferenceCollectionListener(new ReferenceCollectionListener() {
public void memberAdded(ReferenceCollectionEvent event) {
addBuilder((T) event.getMember());
}
public void memberRemoved(ReferenceCollectionEvent event) {
T builder = (T) event.getMember();
QNameSet builderSpecQNames = builder.getSpecQNameSet();
specQNames = specQNames.intersect(builderSpecQNames.inverse());
QNameSet builderPlanQNames = builder.getPlanQNameSet();
planQNames = planQNames.intersect(builderPlanQNames.inverse());
XmlBeansUtil.unregisterSubstitutionGroupElements(builder.getBaseQName(), builderPlanQNames);
}
});
}
for (T builder : this.builders) {
addBuilder(builder);
}
}
protected void addBuilder(T builder) {
QNameSet builderSpecQNames = builder.getSpecQNameSet();
QNameSet builderPlanQNames = 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(builder.getBaseQName(), builderPlanQNames);
}
public QNameSet getSpecQNameSet() {
return specQNames;
}
public QNameSet getPlanQNameSet() {
return null;
}
}