/*
* Copyright 2009 The Fornax Project Team, including the original
* author or authors.
*
* Licensed 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.sculptor.framework.test;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import org.dom4j.Attribute;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
class PersistenceXmlParser {
private final Set<String> persictenceUnitNames = new HashSet<String>();
@SuppressWarnings("unchecked")
void parse(String xml) {
try {
Document document = DocumentHelper.parseText(xml);
Element rootElement = document.getRootElement();
Iterator<Element> elementIterator = rootElement.elementIterator("persistence-unit");
while (elementIterator.hasNext()) {
parsePersistentUnit(elementIterator.next());
}
} catch (DocumentException e) {
throw new RuntimeException(e.getMessage());
}
}
private void parsePersistentUnit(Element persistenceUnitElement) {
Attribute persistenceUnitNameAttribute = persistenceUnitElement.attribute("name");
if (persistenceUnitNameAttribute == null) {
throw new IllegalArgumentException("Invalid persistence.xml, no persistence-unit name");
}
persictenceUnitNames.add(persistenceUnitNameAttribute.getText());
}
Set<String> getPersictenceUnitNames() {
return persictenceUnitNames;
}
}