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// Portions Copyright [2019] [Payara Foundation and/or its affiliates]
package com.sun.enterprise.deployment.node.runtime.common;

import static com.sun.enterprise.deployment.xml.WebServicesTagNames.MESSAGE_SECURITY;

import java.util.List;

import org.w3c.dom.Element;
import org.w3c.dom.Node;

import com.sun.enterprise.deployment.node.DeploymentDescriptorNode;
import com.sun.enterprise.deployment.node.XMLElement;
import com.sun.enterprise.deployment.runtime.common.MessageSecurityBindingDescriptor;
import com.sun.enterprise.deployment.runtime.common.MessageSecurityDescriptor;
import com.sun.enterprise.deployment.xml.WebServicesTagNames;

/**
 * This node handles message-security-binding element
 *
 */
public class MessageSecurityBindingNode extends DeploymentDescriptorNode {

    MessageSecurityBindingDescriptor descriptor;

    public MessageSecurityBindingNode() {
        registerElementHandler(new XMLElement(MESSAGE_SECURITY), MessageSecurityNode.class, "addMessageSecurityDescriptor");
    }

    /**
     * @return the descriptor instance to associate with this XMLNode
     */
    public MessageSecurityBindingDescriptor getDescriptor() {
        if (descriptor == null) {
            descriptor = new MessageSecurityBindingDescriptor();
        }
        
        return descriptor;
    }

    /**
     * Parsed an attribute of an element
     *
     * @param the element name
     * @param the attribute name
     * @param the attribute value
     * @return true if the attribute was processed
     */
    protected boolean setAttributeValue(XMLElement elementName, XMLElement attributeName, String value) {
        if (attributeName.getQName().equals(WebServicesTagNames.AUTH_LAYER)) {
            descriptor.setAttributeValue(MessageSecurityBindingDescriptor.AUTH_LAYER, value);
            return true;
        }
        
        if (attributeName.getQName().equals(WebServicesTagNames.PROVIDER_ID)) {
            descriptor.setAttributeValue(MessageSecurityBindingDescriptor.PROVIDER_ID, value);
            return true;
        }
        
        return false;
    }

    /**
     * Write the descriptor class to a DOM tree and return it
     *
     * @param parent node for the DOM tree
     * @param node name for
     * @param the descriptor to write
     * @return the DOM tree top node
     */
    public Node writeDescriptor(Node parent, String nodeName, MessageSecurityBindingDescriptor messageSecurityBindingDesc) {
        Element messageSecurityBindingNode = (Element) super.writeDescriptor(parent, nodeName, messageSecurityBindingDesc);

        // message-security
        List messageSecDescs = messageSecurityBindingDesc.getMessageSecurityDescriptors();
        if (!messageSecDescs.isEmpty()) {
            MessageSecurityNode messageSecurityNode = new MessageSecurityNode();
            for (MessageSecurityDescriptor messageSecDesc : messageSecDescs) {
                messageSecurityNode.writeDescriptor(messageSecurityBindingNode, MESSAGE_SECURITY, messageSecDesc);
            }
        }

        // auth-layer
        if (messageSecurityBindingDesc.getAttributeValue(MessageSecurityBindingDescriptor.AUTH_LAYER) != null) {
            setAttribute(
                messageSecurityBindingNode, 
                WebServicesTagNames.AUTH_LAYER,
                messageSecurityBindingDesc.getAttributeValue(MessageSecurityBindingDescriptor.AUTH_LAYER));
        }

        // provider-id
        if (messageSecurityBindingDesc.getAttributeValue(MessageSecurityBindingDescriptor.PROVIDER_ID) != null) {
            setAttribute(
                messageSecurityBindingNode, 
                WebServicesTagNames.PROVIDER_ID,
                messageSecurityBindingDesc.getAttributeValue(MessageSecurityBindingDescriptor.PROVIDER_ID));
        }

        return messageSecurityBindingNode;
    }
}