/*
* Copyright (c) 2015, 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.databridge.agent.client;
import org.apache.commons.pool.BaseKeyedPoolableObjectFactory;
import org.wso2.carbon.databridge.agent.exception.DataEndpointAgentConfigurationException;
import org.wso2.carbon.databridge.agent.exception.DataEndpointConfigurationException;
import org.wso2.carbon.databridge.agent.exception.DataEndpointException;
import org.wso2.carbon.databridge.agent.exception.DataEndpointSecurityException;
import org.wso2.carbon.databridge.agent.util.DataPublisherUtil;
/**
* The abstract class that needs to be implemented when supporting a new non-secure transport
* to mainly create, validate and terminate the client to the endpoint.
*/
public abstract class AbstractClientPoolFactory extends BaseKeyedPoolableObjectFactory {
@Override
public Object makeObject(Object key)
throws DataEndpointException, DataEndpointSecurityException, DataEndpointAgentConfigurationException,
DataEndpointConfigurationException {
Object[] urlParams = DataPublisherUtil.getProtocolHostPort(key.toString());
return createClient(urlParams[0].toString(),urlParams[1].toString(), Integer.parseInt(urlParams[2].toString()));
}
/**
* Make a connection to the receiver and return the client.
*
* @param protocol protocol that is used to connect to the endpoint
* @param hostName hostname of the endpoint
* @param port port of the endpoint that is listening to
* @return A valid client which has connected to the receiver and can be used
* for rest of the operations regarding the endpoint.
* @throws DataEndpointException
* @throws DataEndpointSecurityException
*/
public abstract Object createClient(String protocol, String hostName, int port)
throws DataEndpointException, DataEndpointSecurityException, DataEndpointAgentConfigurationException;
@Override
public boolean validateObject(Object key, Object obj) {
return validateClient(obj);
}
/**
* Check the validity of the client whether it's in the position to make the
* communication with endpoint.
*
* @param client Client object which needs to be validated.
* @return Returns true/false based on the client is valid or invalid.
*/
public abstract boolean validateClient(Object client);
public void destroyObject(Object key, Object obj) {
terminateClient(obj);
}
/**
* Terminates the connection between the client and the endpoint.
*
* @param client The client which needs to be terminated.
*/
public abstract void terminateClient(Object client);
}