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

import com.sun.xml.ws.policy.PolicyAssertion;
import java.util.Iterator;
import com.sun.xml.ws.policy.AssertionSet;
import com.sun.xml.ws.policy.sourcemodel.AssertionData;
import java.util.Collection;
import com.sun.xml.ws.security.policy.SecurityAssertionValidator;
import javax.xml.namespace.QName;

/**
 *
 * @author K.Venugopal@sun.com
 */
public class CallbackHandlerConfiguration extends PolicyAssertion implements com.sun.xml.ws.security.policy.CallbackHandlerConfiguration, SecurityAssertionValidator{
    
    private static QName timestampTimeout  =  new QName("timestampTimeout");
    private boolean populated = false;
    
    private Iterator<PolicyAssertion> ast  = null;
    private AssertionFitness fitness = AssertionFitness.IS_VALID;
    /** Creates a new instance of CallbackHandlerConfiguration */
    public CallbackHandlerConfiguration() {
    }
    
    public CallbackHandlerConfiguration(AssertionData name,Collection<PolicyAssertion> nestedAssertions, AssertionSet nestedAlternative) {
        super(name,nestedAssertions,nestedAlternative);
    }
    
    public Iterator<? extends PolicyAssertion> getCallbackHandlers() {
        populate();
        return ast;
    }
    
    public AssertionFitness validate(boolean isServer) {
        return populate(isServer);
    }
    private void populate(){
        populate(false);
    }
    
    private synchronized AssertionFitness populate(boolean isServer) {
        if(!populated){
            this.ast  = this.getNestedAssertionsIterator();
            populated  = true;
            
        }
        return fitness;
    }
    public String getTimestampTimeout() {
        if(this.getAttributes().containsKey(timestampTimeout)){
            return this.getAttributeValue(timestampTimeout);
        }
        return null;
    }

}