/*
 * Copyright 2005-2006 The Apache Software Foundation.
 *
 * 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.apache.servicemix.lwcontainer;

import javax.jbi.component.ComponentContext;
import javax.jbi.messaging.MessageExchange.Role;
import javax.xml.namespace.QName;

import org.apache.activemq.util.IdGenerator;
import org.apache.servicemix.common.Endpoint;
import org.apache.servicemix.common.ExchangeProcessor;
import org.apache.servicemix.jbi.container.ActivationSpec;
import org.apache.servicemix.jbi.container.JBIContainer;
import org.apache.servicemix.jbi.framework.ComponentContextImpl;

public class LwContainerEndpoint extends Endpoint {

    private static final QName SERVICE_NAME = new QName("http://lwcontainer.servicemix.org", "LwContainerComponent");
    
    private ActivationSpec activationSpec;
    
    public LwContainerEndpoint(ActivationSpec activationSpec) {
        this.activationSpec = activationSpec;
        this.service = SERVICE_NAME;
        if (activationSpec.getId() != null) {
            this.endpoint = activationSpec.getId();
        } else if (activationSpec.getComponentName() != null) {
            this.endpoint = activationSpec.getComponentName();
        } else {
            this.endpoint = new IdGenerator().generateId();
        }
    }
    
    public Role getRole() {
        throw new UnsupportedOperationException();
    }

    public void activate() throws Exception {
        getContainer().activateComponent(activationSpec);
        
    }

    public void deactivate() throws Exception {
        getContainer().deactivateComponent(activationSpec.getId());
    }

    public ExchangeProcessor getProcessor() {
        throw new UnsupportedOperationException();
    }

    public JBIContainer getContainer() {
        ComponentContext context = getServiceUnit().getComponent().getComponentContext();
        if( context instanceof ComponentContextImpl ) {
            return ((ComponentContextImpl) context).getContainer();
        }
        throw new IllegalStateException("LwContainer component can only be deployed in ServiceMix");
    }

}
