/*
* 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.synapse.config.xml;
import org.apache.axiom.om.OMAttribute;
import org.apache.axiom.om.OMElement;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.synapse.SynapseException;
import org.apache.synapse.Mediator;
import org.apache.synapse.mediators.filters.SwitchCaseMediator;
import javax.xml.namespace.QName;
import java.util.regex.Pattern;
import java.util.regex.PatternSyntaxException;
public class SwitchCaseMediatorFactory extends AbstractListMediatorFactory {
private static final Log log = LogFactory.getLog(SwitchCaseMediatorFactory.class);
private final QName SWITCH_CASE_Q = new QName(Constants.SYNAPSE_NAMESPACE, "case");
public Mediator createMediator(OMElement elem) {
SwitchCaseMediator switchCaseMediator = new SwitchCaseMediator();
OMAttribute regex = elem.getAttribute(new QName(Constants.NULL_NAMESPACE, "regex"));
if (regex == null) {
String msg = "The 'regex' attribute is required for a switch case definition";
log.error(msg);
throw new SynapseException(msg);
}
try {
switchCaseMediator.setRegex(Pattern.compile(regex.getAttributeValue()));
} catch (PatternSyntaxException pse) {
String msg = "Invalid Regular Expression for attribute 'regex' : " + regex.getAttributeValue();
log.error(msg);
throw new SynapseException(msg);
}
super.addChildren(elem, switchCaseMediator);
return switchCaseMediator;
}
public QName getTagQName() {
return SWITCH_CASE_Q;
}
}