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package org.glassfish.ejb.deployment.node.runtime;

import java.util.Iterator;
import java.util.Map;
import java.util.Properties;
import java.util.logging.Level;

import com.sun.enterprise.deployment.NameValuePairDescriptor;
import com.sun.enterprise.deployment.ResourceReferenceDescriptor;
import com.sun.enterprise.deployment.node.PropertiesNode;
import com.sun.enterprise.deployment.node.XMLElement;
import com.sun.enterprise.deployment.node.runtime.DefaultResourcePrincipalNode;
import com.sun.enterprise.deployment.node.runtime.RuntimeDescriptorNode;
import com.sun.enterprise.deployment.node.runtime.common.RuntimeNameValuePairNode;
import com.sun.enterprise.deployment.util.DOLUtils;
import com.sun.enterprise.deployment.xml.RuntimeTagNames;
import org.glassfish.ejb.deployment.descriptor.EjbBundleDescriptorImpl;
import org.w3c.dom.Node;

/**
 * This node handles the cmp-resource runtime xml tag
 *
 * @author  Jerome Dochez
 * @version 
 */
public class CmpResourceNode extends RuntimeDescriptorNode {

    private ResourceReferenceDescriptor descriptor;

    public CmpResourceNode() {
        registerElementHandler(new XMLElement(RuntimeTagNames.DEFAULT_RESOURCE_PRINCIPAL), 
                               DefaultResourcePrincipalNode.class, "setResourcePrincipal");
        registerElementHandler(new XMLElement(RuntimeTagNames.PROPERTY), 
                               RuntimeNameValuePairNode.class, "addProperty");		
        registerElementHandler(new XMLElement(RuntimeTagNames.SCHEMA_GENERATOR_PROPERTIES), 
                                PropertiesNode.class, "setSchemaGeneratorProperties");
    }

    @Override
    public ResourceReferenceDescriptor getDescriptor() {
        if (descriptor == null) descriptor = new ResourceReferenceDescriptor();
        return descriptor;
    }

    @Override
    protected Map getDispatchTable() {    
        Map table = super.getDispatchTable();
        table.put(RuntimeTagNames.JNDI_NAME, "setJndiName");
        table.put(RuntimeTagNames.CREATE_TABLES_AT_DEPLOY, "setCreateTablesAtDeploy");
        table.put(RuntimeTagNames.DROP_TABLES_AT_UNDEPLOY, "setDropTablesAtUndeploy");
        table.put(RuntimeTagNames.DATABASE_VENDOR_NAME, "setDatabaseVendorName");
        return table;
    } 

    @Override
    public void postParsing() {
        EjbBundleDescriptorImpl bd = (EjbBundleDescriptorImpl) getParentNode().getDescriptor();
        if (bd==null) {
            DOLUtils.getDefaultLogger().log(Level.SEVERE, "enterprise.deployment.backend.addDescriptorFailure",
                    new Object[]{descriptor});
            return;
        }
        bd.setCMPResourceReference(descriptor);
    }

    @Override
    public Node writeDescriptor(Node parent, String nodeName, 
                                ResourceReferenceDescriptor descriptor) {     
        Node cmp = super.writeDescriptor(parent, nodeName, descriptor);
        appendTextChild(cmp, RuntimeTagNames.JNDI_NAME, descriptor.getJndiName());
        if (descriptor.getResourcePrincipal() != null) {
            DefaultResourcePrincipalNode drpNode = new DefaultResourcePrincipalNode();
            drpNode.writeDescriptor(cmp, RuntimeTagNames.DEFAULT_RESOURCE_PRINCIPAL, 
                descriptor.getResourcePrincipal());
        }
        // properties*
        Iterator properties = descriptor.getProperties();
	if (properties!=null) {
	    RuntimeNameValuePairNode propNode = new RuntimeNameValuePairNode();        
	    while (properties.hasNext()) {
		NameValuePairDescriptor aProp = (NameValuePairDescriptor) properties.next();
		propNode.writeDescriptor(cmp, RuntimeTagNames.PROPERTY, aProp);
	    }
	}
        
        // createTableAtDeploy, dropTableAtUndeploy
        if (descriptor.isCreateTablesAtDeploy()) {
            appendTextChild(cmp, RuntimeTagNames.CREATE_TABLES_AT_DEPLOY, RuntimeTagNames.TRUE);
        }
        if (descriptor.isDropTablesAtUndeploy()) {
            appendTextChild(cmp, RuntimeTagNames.DROP_TABLES_AT_UNDEPLOY, RuntimeTagNames.TRUE);
        }        
        // database vendor name
        appendTextChild(cmp, RuntimeTagNames.DATABASE_VENDOR_NAME, descriptor.getDatabaseVendorName());
        
        // schema-generator-properties?
        Properties schemaGeneratorProps = descriptor.getSchemaGeneratorProperties();
        if (schemaGeneratorProps!=null) {
            PropertiesNode pn = new PropertiesNode();
            pn.writeDescriptor(cmp, RuntimeTagNames.SCHEMA_GENERATOR_PROPERTIES, schemaGeneratorProps);
        }
        
        return cmp;
    }
}