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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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.tuscany.sca.binding.http.wireformat.jsonrpc.provider;

import org.apache.tuscany.sca.assembly.Binding;
import org.apache.tuscany.sca.assembly.BindingRRB;
import org.apache.tuscany.sca.assembly.WireFormat;
import org.apache.tuscany.sca.binding.http.HTTPBinding;
import org.apache.tuscany.sca.binding.http.wireformat.jsonrpc.JSONRPCWireFormat;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.interfacedef.InterfaceContract;
import org.apache.tuscany.sca.invocation.Interceptor;
import org.apache.tuscany.sca.invocation.Phase;
import org.apache.tuscany.sca.provider.WireFormatProvider;
import org.apache.tuscany.sca.runtime.RuntimeComponent;
import org.apache.tuscany.sca.runtime.RuntimeComponentService;

/**
 * @version $Rev$ $Date$
 */
public class JSONRPCWireFormatServiceProvider implements WireFormatProvider {
    private RuntimeComponent component;
    private RuntimeComponentService service;
    private Binding binding;

    public JSONRPCWireFormatServiceProvider(ExtensionPointRegistry extensionPoints,
                                            RuntimeComponent component, 
                                            RuntimeComponentService service, 
                                            Binding binding) {
        
        super();
        this.component = component;
        this.service = service;
        this.binding = binding;
    }
    
    public InterfaceContract configureWireFormatInterfaceContract(InterfaceContract interfaceContract) {
        return interfaceContract;
    }

    public Interceptor createInterceptor() {
        if(binding instanceof BindingRRB) {
            BindingRRB rrbBinding = (BindingRRB) binding;
            WireFormat wireFormat = rrbBinding.getRequestWireFormat();
            if(wireFormat != null && wireFormat instanceof JSONRPCWireFormat) {
                return new JSONRPCWireFormatInterceptor((HTTPBinding) binding, service.getRuntimeWire(binding));
            }
        }
        
        return null;
    }

    public String getPhase() {
        return Phase.SERVICE_BINDING_WIREFORMAT;
    }

}