/*
* Copyright (c) 2005-2010, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. 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.wso2.carbon.mediator.switchm;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMAttribute;
import org.apache.synapse.SynapseException;
import org.wso2.carbon.mediator.service.MediatorException;
import org.wso2.carbon.mediator.service.ui.AbstractListMediator;
import java.util.regex.Pattern;
import java.util.regex.PatternSyntaxException;
public class SwitchCaseMediator extends AbstractListMediator {
private Pattern regex = null;
public Pattern getRegex() {
return regex;
}
public void setRegex(Pattern regex) {
this.regex = regex;
}
public String getTagLocalName() {
return "case";
}
public OMElement serialize(OMElement parent) {
OMElement caseElem = fac.createOMElement("case", synNS);
saveTracingState(caseElem, this);
if (regex != null) {
caseElem.addAttribute(fac.createOMAttribute(
"regex", nullNS, regex.pattern()));
} else {
throw new MediatorException("Invalid switch case. Regex required");
}
serializeChildren(caseElem, getList());
if (parent != null) {
parent.addChild(caseElem);
}
return caseElem;
}
public void build(OMElement elem) {
this.regex = null;
OMAttribute regex = elem.getAttribute(ATT_REGEX);
if (regex == null) {
String msg = "The 'regex' attribute is required for a switch case definition";
throw new MediatorException(msg);
}
try {
this.regex = Pattern.compile(regex.getAttributeValue());
} catch (PatternSyntaxException pse) {
String msg = "Invalid Regular Expression for attribute 'regex' : " + regex.getAttributeValue();
throw new MediatorException(msg);
}
// after successfully creating the mediator
// set its common attributes such as tracing etc
processAuditStatus(this, elem);
addChildren(elem, this);
}
}