OPAMediatorSerializer.java
/*
* Copyright (c) 2022, 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.apache.synapse.mediators.opa;
import org.apache.axiom.om.OMElement;
import org.apache.synapse.Mediator;
import org.apache.synapse.config.xml.AbstractMediatorSerializer;
import java.util.Map;
public class OPAMediatorSerializer extends AbstractMediatorSerializer {
public OMElement serializeSpecificMediator(Mediator m) {
if (!(m instanceof OPAMediator)) {
handleException("Unsupported mediator passed in for serialization : " + m.getType());
}
OPAMediator mediator = (OPAMediator) m;
OMElement opaElement = fac.createOMElement("opa", synNS);
saveTracingState(opaElement, mediator);
if (mediator.getServerUrl() != null) {
OMElement serverUrlElement = fac.createOMElement(OPAMediatorFactory.SERVER_URL_Q, opaElement);
serverUrlElement.setText(mediator.getServerUrl());
} else {
handleException("Invalid mediator. Server url is required.");
}
if (mediator.getAccessKey() != null) {
OMElement tokenElement = fac.createOMElement(OPAMediatorFactory.ACCESS_KEY_Q, opaElement);
tokenElement.setText(mediator.getAccessKey());
}
if (mediator.getPolicy() != null) {
OMElement policyElement = fac.createOMElement(OPAMediatorFactory.POLICY_Q, opaElement);
policyElement.setText(mediator.getPolicy());
} else {
handleException("Invalid mediator. Policy is required.");
}
if (mediator.getRule() != null) {
OMElement ruleElement = fac.createOMElement(OPAMediatorFactory.Rule_Q, opaElement);
ruleElement.setText(mediator.getRule());
} else {
handleException("Invalid mediator. Rule is required.");
}
if (mediator.getRequestGeneratorClassName() != null) {
OMElement requestGeneratorElement = fac.createOMElement(OPAMediatorFactory.PAYLOAD_GENERATOR_Q, opaElement);
requestGeneratorElement.setText(mediator.getRequestGeneratorClassName());
}
if (mediator.getAdditionalParameters() != null && !mediator.getAdditionalParameters().isEmpty()) {
OMElement additionalParametersElement =
fac.createOMElement(OPAMediatorFactory.ADDITIONAL_PARAMETERS_Q, opaElement);
Map additionalParameters = mediator.getAdditionalParameters();
for (String parameter : mediator.getAdditionalParameters().keySet()) {
Object parameterValue = additionalParameters.get(parameter);
OMElement parameterElement =
fac.createOMElement(OPAMediatorFactory.PARAMETER_Q, additionalParametersElement);
parameterElement.addAttribute(fac.createOMAttribute("name", nullNS, parameter));
parameterElement.setText(String.valueOf(parameterValue));
}
}
return opaElement;
}
public String getMediatorClassName() {
return OPAMediator.class.getName();
}
}