/*
* 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.OMElement;
import org.apache.synapse.Mediator;
import org.apache.synapse.commons.evaluators.Evaluator;
import org.apache.synapse.commons.evaluators.EvaluatorException;
import org.apache.synapse.commons.evaluators.config.EvaluatorSerializer;
import org.apache.synapse.commons.evaluators.config.EvaluatorSerializerFinder;
import org.apache.synapse.mediators.transform.url.URLRewriteMediator;
import org.apache.synapse.mediators.transform.url.RewriteRule;
import org.apache.synapse.mediators.transform.url.RewriteAction;
import org.apache.synapse.mediators.transform.url.URIFragments;
import java.util.List;
public class URLRewriteMediatorSerializer extends AbstractMediatorSerializer {
protected OMElement serializeSpecificMediator(Mediator m) {
if (!(m instanceof URLRewriteMediator)) {
handleException("Unsupported mediator passed in for serialization : " + m.getType());
return null;
}
URLRewriteMediator mediator = (URLRewriteMediator) m;
OMElement rewrite = fac.createOMElement("rewrite", synNS);
String inProperty = mediator.getInputProperty();
String outProperty = mediator.getOutputProperty();
if (inProperty != null) {
rewrite.addAttribute(fac.createOMAttribute("inProperty", nullNS,
inProperty));
}
if (outProperty != null) {
rewrite.addAttribute(fac.createOMAttribute("outProperty", nullNS,
outProperty));
}
saveTracingState(rewrite, mediator);
List<RewriteRule> rules = mediator.getRules();
try {
for (RewriteRule r : rules) {
OMElement rule = serializeRule(r);
rewrite.addChild(rule);
}
} catch (EvaluatorException e) {
handleException("Error while serializing the rewrite rule", e);
}
return rewrite;
}
private OMElement serializeRule(RewriteRule r) throws EvaluatorException {
OMElement rule = fac.createOMElement("rewriterule", synNS);
Evaluator condition = r.getCondition();
if (condition != null) {
OMElement conditionElt = fac.createOMElement("condition", synNS);
EvaluatorSerializer serializer = EvaluatorSerializerFinder.getInstance().
getSerializer(condition.getName());
serializer.serialize(conditionElt, condition);
rule.addChild(conditionElt);
}
List<RewriteAction> actions = r.getActions();
for (RewriteAction a : actions) {
OMElement action = serializeAction(a);
rule.addChild(action);
}
return rule;
}
private OMElement serializeAction(RewriteAction a) {
OMElement action = fac.createOMElement("action", synNS);
if (a.getValue() != null) {
action.addAttribute("value", a.getValue(), null);
} else if (a.getXpath() != null) {
action.addAttribute("xpath", a.getXpath().toString(), null);
}
if (a.getRegex() != null) {
action.addAttribute("regex", a.getRegex(), null);
}
int type = a.getActionType();
String typeStr;
switch (type) {
case RewriteAction.ACTION_APPEND:
typeStr = URLRewriteMediatorFactory.ACTION_APPEND;
break;
case RewriteAction.ACTION_PREPEND:
typeStr = URLRewriteMediatorFactory.ACTION_PREPEND;
break;
case RewriteAction.ACTION_REPLACE:
typeStr = URLRewriteMediatorFactory.ACTION_REPLACE;
break;
case RewriteAction.ACTION_REMOVE:
typeStr = URLRewriteMediatorFactory.ACTION_REMOVE;
break;
default:
typeStr = URLRewriteMediatorFactory.ACTION_SET;
}
action.addAttribute("type", typeStr, null);
int fragment = a.getFragmentIndex();
String fragmentStr;
switch (fragment) {
case URIFragments.PROTOCOL:
fragmentStr = URLRewriteMediatorFactory.FRAGMENT_PROTOCOL;
break;
case URIFragments.USER_INFO:
fragmentStr = URLRewriteMediatorFactory.FRAGMENT_USER_INFO;
break;
case URIFragments.HOST:
fragmentStr = URLRewriteMediatorFactory.FRAGMENT_HOST;
break;
case URIFragments.PORT:
fragmentStr = URLRewriteMediatorFactory.FRAGMENT_PORT;
break;
case URIFragments.PATH:
fragmentStr = URLRewriteMediatorFactory.FRAGMENT_PATH;
break;
case URIFragments.QUERY:
fragmentStr = URLRewriteMediatorFactory.FRAGMENT_QUERY;
break;
case URIFragments.REF:
fragmentStr = URLRewriteMediatorFactory.FRAGMENT_REF;
break;
default:
fragmentStr = URLRewriteMediatorFactory.FRAGMENT_FULL_URI;
}
action.addAttribute("fragment", fragmentStr, null);
return action;
}
public String getMediatorClassName() {
return URLRewriteMediator.class.getName();
}
}