/**
* Copyright (c) 2009, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* Licensed 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.proxyadmin.observer;
import org.apache.axis2.description.AxisService;
import org.apache.axis2.description.ParameterObserver;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.synapse.config.SynapseConfiguration;
import org.apache.synapse.core.axis2.ProxyService;
import org.wso2.carbon.context.PrivilegedCarbonContext;
import org.wso2.carbon.proxyadmin.ProxyAdminException;
import org.wso2.carbon.proxyadmin.service.ProxyServiceAdmin;
import org.wso2.carbon.proxyadmin.util.ConfigHolder;
/**
* <code>ProxyServiceParameterObserver </code> will sync Axis service level parameter changes
* with the Synapse proxy service
*/
public class ProxyServiceParameterObserver implements ParameterObserver{
private AxisService service;
private int tanentId;
private static final Log log = LogFactory.getLog(ProxyServiceParameterObserver.class);
public ProxyServiceParameterObserver(AxisService service) {
this.service = service;
this.tanentId = PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId();
}
/**
* When an Axis2 Service parameter update happens this method will get notified
* @param name parameter name
* @param value parameter value
*/
public void parameterChanged(String name, Object value) {
SynapseConfiguration config = ConfigHolder.getInstance().
getSynapseEnvironmentService(tanentId).getSynapseEnvironment().
getSynapseConfiguration();
ProxyService proxy = config.getProxyService(service.getName());
if("passwordCallbackRef".equals(name)){
proxy.setModuleEngaged(true);
}
if(proxy != null) {
if(service.getParameter(name) != null) {
//if this is a parameter set
proxy.addParameter(name,value);
} else {
//if this is a parameter remove
proxy.getParameterMap().remove(name);
}
if (!isSkipPersistenceForParam(name)) {
try {
new ProxyServiceAdmin().persistProxyService(proxy);
} catch (ProxyAdminException e) {
log.error("Error While persisting proxy information", e);
}
}
}else {
log.error("Proxy Service " +name + " does not exist ");
}
}
private boolean isSkipPersistenceForParam(String name) {
/**
* org.apache.axis2.context.externalize.AxisServiceName
* [ESBJAVA-2573]
* Proxy services redeployed every time when a call is made when using custom axis module.
*
* wso2statistics.service.response.time
* [ESBJAVA-2464] storing service response time as a parameter of the service.
* After the changes related to ESBJAVA-1683, service information get persisted
* for every request. So avoiding service response time get persisted for each req.
*
* lastUsedTime
* [ESBJAVA-3729]
*
*/
for (String param : skipParams) {
if (param.equals(name)) {
return true;
}
}
return false;
}
private static String[] skipParams = {"wso2statistics.service.response.time",
"org.apache.axis2.context.externalize.AxisServiceName",
"lastUsedTime"};
}