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package com.sun.xml.ws.api.config.management.policy;

import com.sun.istack.logging.Logger;
import com.sun.xml.ws.api.client.WSPortInfo;
import com.sun.xml.ws.policy.PolicyAssertion;
import com.sun.xml.ws.policy.PolicyMap;
import com.sun.xml.ws.policy.PolicyConstants;
import com.sun.xml.ws.policy.sourcemodel.AssertionData;
import com.sun.xml.ws.policy.spi.AssertionCreationException;
import com.sun.xml.ws.resources.ManagementMessages;

import java.util.Collection;
import javax.xml.namespace.QName;
import javax.xml.ws.WebServiceException;

/**
 * The client-side ManagedClient policy assertion.
 *
 * @author Fabian Ritzmann
 */
public class ManagedClientAssertion extends ManagementAssertion {

    public static final QName MANAGED_CLIENT_QNAME =
            new QName(PolicyConstants.SUN_MANAGEMENT_NAMESPACE, "ManagedClient");

    private static final Logger LOGGER = Logger.getLogger(ManagedClientAssertion.class);

    /**
     * Return ManagedClient assertion if there is one associated with the client.
     *
     * @param portInfo The client PortInfo.
     * @return The policy assertion if found. Null otherwise.
     * @throws WebServiceException If computing the effective policy of the port failed.
     */
    public static ManagedClientAssertion getAssertion(WSPortInfo portInfo) throws WebServiceException {
    	if (portInfo == null)
    		return null;
    	
        LOGGER.entering(portInfo);
        // getPolicyMap is deprecated because it is only supposed to be used by Metro code
        // and not by other clients.
        @SuppressWarnings("deprecation")
        final PolicyMap policyMap = portInfo.getPolicyMap();
        final ManagedClientAssertion assertion = ManagementAssertion.getAssertion(MANAGED_CLIENT_QNAME,
                policyMap, portInfo.getServiceName(), portInfo.getPortName(), ManagedClientAssertion.class);
        LOGGER.exiting(assertion);
        return assertion;
    }

    public ManagedClientAssertion(AssertionData data, Collection assertionParameters)
            throws AssertionCreationException {
        super(MANAGED_CLIENT_QNAME, data, assertionParameters);
    }

    /**
     * Clients cannot be managed.
     *
     * @return False.
     */
    public boolean isManagementEnabled() {
        final String management = this.getAttributeValue(MANAGEMENT_ATTRIBUTE_QNAME);
        if (management != null) {
            if (management.trim().toLowerCase().equals("on") || Boolean.parseBoolean(management)) {
                LOGGER.warning(ManagementMessages.WSM_1006_CLIENT_MANAGEMENT_ENABLED());
            }
        }
        return false;
    }

}