org.apache.neethi.ExactlyOne Maven / Gradle / Ivy
/**
* 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.neethi;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
/**
* ExactlyOne PolicyOperator requires exactly one of its PolicyComponents to be
* met.
*
*/
public class ExactlyOne extends AbstractPolicyOperator {
public ExactlyOne() {
super();
}
public ExactlyOne(PolicyOperator parent) {
super(parent);
}
public void serialize(XMLStreamWriter writer) throws XMLStreamException {
String namespace = Constants.findPolicyNamespace(writer);
String prefix = writer.getPrefix(namespace);
if (prefix == null) {
writer.writeStartElement(Constants.ATTR_WSP,
Constants.ELEM_EXACTLYONE, namespace);
writer.writeNamespace(Constants.ATTR_WSP,
namespace);
writer.setPrefix(Constants.ATTR_WSP, namespace);
} else {
writer.writeStartElement(namespace,
Constants.ELEM_EXACTLYONE);
}
for (PolicyComponent policyComponent : getPolicyComponents()) {
policyComponent.serialize(writer);
}
writer.writeEndElement();
}
/**
* Returns Constants.TYPE_EXACTLYONE;
*/
public final short getType() {
return Constants.TYPE_EXACTLYONE;
}
}
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