InboundRequestProcessorFactoryImpl.java

/*
* Copyright (c) 2005-2014, 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.inbound.endpoint.inboundfactory;

import org.apache.synapse.SynapseException;
import org.apache.synapse.inbound.InboundProcessorParams;
import org.apache.synapse.inbound.InboundRequestProcessor;
import org.apache.synapse.inbound.InboundRequestProcessorFactory;
import org.wso2.carbon.inbound.endpoint.protocol.file.VFSProcessor;
import org.wso2.carbon.inbound.endpoint.protocol.generic.GenericEventBasedListener;
import org.wso2.carbon.inbound.endpoint.protocol.generic.GenericInboundListener;
import org.wso2.carbon.inbound.endpoint.protocol.generic.GenericProcessor;
import org.wso2.carbon.inbound.endpoint.protocol.generic.GenericEventBasedConsumer;
import org.wso2.carbon.inbound.endpoint.protocol.hl7.core.InboundHL7Listener;
import org.wso2.carbon.inbound.endpoint.protocol.http.InboundHttpListener;
import org.wso2.carbon.inbound.endpoint.protocol.https.InboundHttpsListener;
import org.wso2.carbon.inbound.endpoint.protocol.jms.JMSProcessor;
import org.wso2.carbon.inbound.endpoint.protocol.kafka.KAFKAProcessor;
import org.wso2.carbon.inbound.endpoint.protocol.mqtt.MqttListener;
import org.wso2.carbon.inbound.endpoint.protocol.rabbitmq.RabbitMQListener;
import org.wso2.carbon.inbound.endpoint.protocol.securewebsocket.InboundSecureWebsocketListener;
import org.wso2.carbon.inbound.endpoint.protocol.websocket.InboundWebsocketListener;

/**
 * Class responsible for providing the implementation of the request processor according to the protocol.
 */
public class InboundRequestProcessorFactoryImpl implements InboundRequestProcessorFactory {

    public static enum Protocols {jms, file, http , https, hl7, kafka, mqtt, rabbitmq, ws, wss}

    /**
     * return underlying Request Processor Implementation according to protocol
     *
     * @param params parameters specific to transports
     * @return InboundRequestProcessor Implementation
     */
    @Override
    public InboundRequestProcessor createInboundProcessor(InboundProcessorParams params) {
        String protocol = params.getProtocol();
        InboundRequestProcessor inboundRequestProcessor = null;
        if (protocol != null) {
            if (Protocols.jms.toString().equals(protocol)) {
                inboundRequestProcessor = new JMSProcessor(params);
            } else if (Protocols.file.toString().equals(protocol)) {
                inboundRequestProcessor = new VFSProcessor(params);
            } else if (Protocols.http.toString().equals(protocol)) {
                inboundRequestProcessor = new InboundHttpListener(params);
            } else if (Protocols.https.toString().equals(protocol)){
                inboundRequestProcessor = new InboundHttpsListener(params);
            } else if (Protocols.ws.toString().equals(protocol)) {
                inboundRequestProcessor = new InboundWebsocketListener(params);
            } else if (Protocols.wss.toString().equals(protocol)) {
                inboundRequestProcessor = new InboundSecureWebsocketListener(params);
            } else if (Protocols.hl7.toString().equals(protocol)) {
                inboundRequestProcessor = new InboundHL7Listener(params);
            } else if (Protocols.kafka.toString().equals(protocol)) {
                inboundRequestProcessor = new KAFKAProcessor(params);
            }else if (Protocols.mqtt.toString().equals(protocol)) {
                inboundRequestProcessor = new MqttListener(params);
            }else if (Protocols.rabbitmq.toString().equals(protocol)) {
                inboundRequestProcessor = new RabbitMQListener(params);
            }
        } else if (params.getClassImpl() != null) {
            if (GenericInboundListener.isListeningInboundEndpoint(params)) {
                inboundRequestProcessor = GenericInboundListener.getInstance(params);
            }else if (GenericEventBasedConsumer.isEventBasedInboundEndpoint(params)) {
                inboundRequestProcessor = new GenericEventBasedListener(params);
            } else {
                inboundRequestProcessor = new GenericProcessor(params);
            }
        } else {
            throw new SynapseException("Protocol or Class should be specified for Inbound Endpoint " + params.getName());
        }
        return inboundRequestProcessor;
    }
}