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package com.sun.xml.ws.encoding.policy;

import com.sun.xml.ws.api.model.wsdl.WSDLModel;
import com.sun.xml.ws.api.model.wsdl.WSDLPort;
import com.sun.xml.ws.api.model.wsdl.WSDLService;
import com.sun.xml.ws.policy.AssertionSet;
import com.sun.xml.ws.policy.Policy;
import com.sun.xml.ws.policy.PolicyAssertion;
import com.sun.xml.ws.policy.PolicyException;
import com.sun.xml.ws.policy.PolicyMap;
import com.sun.xml.ws.policy.PolicyMapKey;
import com.sun.xml.ws.policy.jaxws.spi.ModelConfiguratorProvider;
import java.util.Iterator;
import javax.xml.ws.soap.MTOMFeature;

import static com.sun.xml.ws.encoding.policy.EncodingConstants.OPTIMIZED_MIME_SERIALIZATION_ASSERTION;

/**
 *
 * @author japod
 */
public class MtomModelConfiguratorProvider implements ModelConfiguratorProvider{
    /**
     * Creates a new instance of MtomModelConfiguratorProvider
     */
    public MtomModelConfiguratorProvider() {
    }
    
    /**
     * process Mtom policy assertions and if found and is not optional then mtom is enabled on the
     * {@link WSDLBoundPortType}
     *
     * @param model must be non-null
     * @param policyMap must be non-null
     */
    public void configure(WSDLModel model, PolicyMap policyMap) throws PolicyException {
        if ((null==model) ||(null==policyMap)) {
            return;
        }
        for (WSDLService service:model.getServices().values()) {
            for (WSDLPort port : service.getPorts()) {
                PolicyMapKey key = PolicyMap.createWsdlEndpointScopeKey(service.getName(),port.getName());
                Policy policy = policyMap.getEndpointEffectivePolicy(key);
                if (null!=policy && policy.contains(OPTIMIZED_MIME_SERIALIZATION_ASSERTION)) {
                    Iterator <AssertionSet> assertions = policy.iterator();
                    while(assertions.hasNext()){
                        AssertionSet assertionSet = assertions.next();
                        Iterator<PolicyAssertion> policyAssertion = assertionSet.iterator();
                        while(policyAssertion.hasNext()){
                            PolicyAssertion assertion = policyAssertion.next();
                            if(OPTIMIZED_MIME_SERIALIZATION_ASSERTION.equals(assertion.getName()) && !assertion.isOptional()){
                                port.getBinding().addFeature(new MTOMFeature(true));
                            } // end-if non optional mtom assertion found
                        } // next assertion
                    } // next alternative
                } // end-if policy contains mtom assertion
            } // end foreach port
        } // end foreach service
    }
}