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/*
 * EndpointReference.java
 *
 * Created on February 17, 2006, 12:41 PM
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package com.sun.xml.ws.addressing.impl.policy;

import com.sun.xml.ws.policy.AssertionSet;
import com.sun.xml.ws.policy.PolicyAssertion;
import com.sun.xml.ws.policy.sourcemodel.AssertionData;
import com.sun.xml.ws.security.impl.policy.PolicyUtil;
import java.util.Collection;

import java.util.Iterator;

/**
 *
 * @author Abhijit Das
 */
public class EndpointReference extends com.sun.xml.ws.policy.PolicyAssertion  {
    
    private Address address;
    private boolean populated = false;
    
    /**
     * Creates a new instance of EndpointReference
     */
    public EndpointReference(AssertionData name,Collection<PolicyAssertion> nestedAssertions, AssertionSet nestedAlternative) {
        super(name,nestedAssertions,nestedAlternative);
    }
    
    public Address getAddress() {
        populate();
        return address;
    }
    
       
    private void populate() {
        if(populated){
            return;
        }
        synchronized (this.getClass()){
            if(!populated){
                if ( this.hasNestedAssertions() ) {
                    Iterator <PolicyAssertion> it = this.getNestedAssertionsIterator();
                    while ( it.hasNext() ) {
                        PolicyAssertion assertion = it.next();                        
                        if ( PolicyUtil.isAddress(assertion)) {
                            this.address = (Address) assertion;
                        }
                    }
                }
                populated = true;
            }
        }
    }
    

}