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/*
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 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
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 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
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package com.sun.enterprise.connectors.deployment.annotation.handlers;

import com.sun.enterprise.deployment.annotation.context.RarBundleContext;
import com.sun.enterprise.deployment.annotation.handlers.*;
import com.sun.enterprise.deployment.ConnectorDescriptor;
import com.sun.enterprise.deployment.OutboundResourceAdapter;
import com.sun.enterprise.deployment.ConnectionDefDescriptor;
import com.sun.enterprise.util.LocalStringManagerImpl;

import jakarta.resource.spi.ConnectionDefinition;
import jakarta.resource.spi.ManagedConnectionFactory;
import jakarta.resource.spi.Connector;
import java.lang.annotation.Annotation;
import java.lang.reflect.AnnotatedElement;
import java.util.logging.Logger;
import java.util.logging.Level;

import org.glassfish.apf.*;
import org.glassfish.apf.impl.AnnotationUtils;
import org.glassfish.apf.impl.HandlerProcessingResultImpl;
import org.jvnet.hk2.annotations.Service;

@Service
@AnnotationHandlerFor(ConnectionDefinition.class)
public class ConnectionDefinitionHandler extends AbstractHandler  {

    protected final static LocalStringManagerImpl localStrings =
            new LocalStringManagerImpl(ConnectionDefinitionHandler.class);

    public void processAnnotation(AnnotationInfo element, ConnectionDefinition defn)
            throws AnnotationProcessorException {
        AnnotatedElementHandler aeHandler = element.getProcessingContext().getHandler();
        handleAnnotation(aeHandler, defn, element);
    }

    public HandlerProcessingResult processAnnotation(AnnotationInfo element) throws AnnotationProcessorException {
        AnnotatedElementHandler aeHandler = element.getProcessingContext().getHandler();
        ConnectionDefinition connDefn = (ConnectionDefinition) element.getAnnotation();

        if (aeHandler instanceof RarBundleContext) {
            handleAnnotation(aeHandler, connDefn, element);
        } else {
            getFailureResult(element, "not a rar bundle context", true);
        }
        return getDefaultProcessedResult();
    }

    private void handleAnnotation(AnnotatedElementHandler aeHandler, ConnectionDefinition connDefn, AnnotationInfo element) {
        RarBundleContext rarContext = (RarBundleContext) aeHandler;
        ConnectorDescriptor desc = rarContext.getDescriptor();

        Class c = (Class) element.getAnnotatedElement();
        String targetClassName = c.getName();
        if (ManagedConnectionFactory.class.isAssignableFrom(c)) {

            if (!desc.getOutBoundDefined()) {
                OutboundResourceAdapter ora = new OutboundResourceAdapter();
                desc.setOutboundResourceAdapter(ora);
            }

            OutboundResourceAdapter ora = desc.getOutboundResourceAdapter();

            if (!ora.hasConnectionDefDescriptor(connDefn.connectionFactory().getName())) {
                ConnectionDefDescriptor cdd = new ConnectionDefDescriptor();
                cdd.setConnectionFactoryImpl(connDefn.connectionFactoryImpl().getName());
                cdd.setConnectionFactoryIntf(connDefn.connectionFactory().getName());
                cdd.setConnectionIntf(connDefn.connection().getName());
                cdd.setConnectionImpl(connDefn.connectionImpl().getName());

                cdd.setManagedConnectionFactoryImpl(targetClassName);

                ora.addConnectionDefDescriptor(cdd);
            }// else {
                // ignore the duplicates
                // duplicates can be via :
                // (i) connection-definition defined in DD
                // (ii) as part of this particular annotation processing,
                // already this connection-definition is defined
                //TODO V3 how to handle (ii)
            //}
        } else {
            getFailureResult(element, "Cant handle ConnectionDefinition annotation as the annotated class does not" +
                    "implement ManagedConnectionFactory", true);
        }
    }

    /**
     * @return a default processed result
     */
    protected HandlerProcessingResult getDefaultProcessedResult() {
        return HandlerProcessingResultImpl.getDefaultResult(
                getAnnotationType(), ResultType.PROCESSED);
    }


    public Class[] getTypeDependencies() {
        return null;
    }
    private HandlerProcessingResultImpl getFailureResult(AnnotationInfo element, String message, boolean doLog) {
        HandlerProcessingResultImpl result = new HandlerProcessingResultImpl();
        result.addResult(getAnnotationType(), ResultType.FAILED);
        if (doLog) {
            Class c = (Class) element.getAnnotatedElement();
            String className = c.getName();
            Object args[] = new Object[]{
                element.getAnnotation(),
                className,
                message,
            };
            String localString = localStrings.getLocalString(
                    "enterprise.deployment.annotation.handlers.connectorannotationfailure",
                    "failed to handle annotation [ {0} ] on class [ {1} ], reason : {2}", args);
            logger.log(Level.WARNING, localString);
        }
        return result;
    }
    
}