OPAMediatorFactory.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.OMAttribute;
import org.apache.axiom.om.OMElement;
import org.apache.synapse.Mediator;
import org.apache.synapse.SynapseException;
import org.apache.synapse.config.xml.AbstractMediatorFactory;
import org.apache.synapse.config.xml.XMLConfigConstants;
import java.util.Iterator;
import java.util.Properties;
import javax.xml.namespace.QName;
public class OPAMediatorFactory extends AbstractMediatorFactory {
static final QName OPA_Q = new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "opa");
static final QName SERVER_URL_Q = new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "serverUrl");
static final QName ACCESS_KEY_Q = new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "accessKey");
static final QName POLICY_Q = new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "policy");
static final QName Rule_Q = new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "rule");
static final QName PAYLOAD_GENERATOR_Q = new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "requestGenerator");
static final QName ADDITIONAL_PARAMETERS_Q =
new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "additionalParameters");
static final QName PARAMETER_Q = new QName(XMLConfigConstants.SYNAPSE_NAMESPACE, "parameter");
static final QName NAME_Q = new QName("name");
@Override
protected Mediator createSpecificMediator(OMElement omElement, Properties properties) {
OPAMediator opaMediator = new OPAMediator();
processAuditStatus(opaMediator, omElement);
OMElement serverUrlElement = omElement.getFirstChildWithName(SERVER_URL_Q);
if (serverUrlElement != null) {
opaMediator.setServerUrl(serverUrlElement.getText());
}
OMElement opaKeyElement = omElement.getFirstChildWithName(ACCESS_KEY_Q);
if (opaKeyElement != null) {
opaMediator.setAccessKey(opaKeyElement.getText());
}
OMElement policyElement = omElement.getFirstChildWithName(POLICY_Q);
if (policyElement != null) {
opaMediator.setPolicy(policyElement.getText());
}
OMElement ruleElement = omElement.getFirstChildWithName(Rule_Q);
if (ruleElement != null) {
opaMediator.setRule(ruleElement.getText());
}
OMElement payloadGeneratorElement = omElement.getFirstChildWithName(PAYLOAD_GENERATOR_Q);
if (payloadGeneratorElement != null) {
opaMediator.setRequestGeneratorClassName(payloadGeneratorElement.getText());
}
OMElement advancedPropertiesElement = omElement.getFirstChildWithName(ADDITIONAL_PARAMETERS_Q);
if (advancedPropertiesElement != null) {
Iterator parameterIter = advancedPropertiesElement.getChildrenWithName(PARAMETER_Q);
while (parameterIter.hasNext()) {
OMElement parameterElement = (OMElement) parameterIter.next();
OMAttribute nameAtr = parameterElement.getAttribute(NAME_Q);
if (nameAtr != null) {
String parameterName = nameAtr.getAttributeValue();
String parameterValue = parameterElement.getText();
if (parameterName != null && parameterValue != null) {
opaMediator.addAdditionalParameter(parameterName, parameterValue);
}
} else {
throw new SynapseException("Name attribute missing");
}
}
}
addAllCommentChildrenToList(omElement, opaMediator.getCommentsList());
return opaMediator;
}
@Override
public QName getTagQName() {
return OPA_Q;
}
}