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/**
 *
 *  Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
 *
 *  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.tuscany.binding.axis.assembly.impl;

import java.util.Collection;
import java.util.List;

import javax.wsdl.Definition;
import javax.wsdl.Port;
import javax.wsdl.Service;

import org.apache.tuscany.binding.axis.assembly.WebServiceBinding;
import org.apache.tuscany.model.assembly.AssemblyModelContext;
import org.apache.tuscany.model.assembly.impl.BindingImpl;

/**
 * An implementation of WebServiceBinding.
 */
public class WebServiceBindingImpl extends BindingImpl implements WebServiceBinding {
    
    private Definition definition;
    private Port port;
    private String portURI;

    /**
     * Constructor
     */
    protected WebServiceBindingImpl() {
    }
    
    /**
     * @see org.apache.tuscany.binding.axis.assembly.WebServiceBinding#getWSDLPort()
     */
    public Port getWSDLPort() {
        return port;
    }
    
    /**
     * @see org.apache.tuscany.binding.axis.assembly.WebServiceBinding#setWSDLPort(javax.wsdl.Port)
     */
    public void setWSDLPort(Port value) {
        checkNotFrozen();
        this.port=value;
    }
    
    /**
     * @see org.apache.tuscany.binding.axis.assembly.WebServiceBinding#getWSDLDefinition()
     */
    public Definition getWSDLDefinition() {
        return definition;
    }
    
    /**
     * @see org.apache.tuscany.binding.axis.assembly.WebServiceBinding#setWSDLDefinition(javax.wsdl.Definition)
     */
    public void setWSDLDefinition(Definition definition) {
        checkNotFrozen();
        this.definition=definition;
    }
    
    /**
     * @param portURI The portURI to set.
     */
    public void setPortURI(String portURI) {
        this.portURI = portURI;
    }
    
    /**
     * @see org.apache.tuscany.model.assembly.impl.BindingImpl#initialize(org.apache.tuscany.model.assembly.AssemblyModelContext)
     */
    public void initialize(AssemblyModelContext modelContext) {
        if (isInitialized())
            return;
        super.initialize(modelContext);
        
        // Get the WSDL port namespace and name
        if (port==null && portURI!=null) {
            int h=portURI.indexOf('#');
            String portNamespace=portURI.substring(0,h);
            String portName=portURI.substring(h+1);
    
            // Load the WSDL definitions for the given namespace
            List<Definition> definitions=modelContext.getAssemblyLoader().loadDefinitions(portNamespace);
            if (definitions==null)
                throw new IllegalArgumentException("Cannot find WSDL definition for "+portNamespace);
            for (Definition definition: definitions) {
    
                // Find the port with the given name
                for (Service service : (Collection<Service>)definition.getServices().values()) {
                    Port port=service.getPort(portName);
                    if (port!=null) {
                        this.definition=definition;
                        this.port=port;
                        return;
                    }
                }
            }
            throw new IllegalArgumentException("Cannot find WSDL port "+portURI);
        }
    }
    
}