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 *
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 * 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
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package org.glassfish.resources.admin.cli;

import com.sun.enterprise.config.serverbeans.Domain;
import com.sun.enterprise.config.serverbeans.Resources;
import com.sun.enterprise.util.LocalStringManagerImpl;
import com.sun.enterprise.util.SystemPropertyConstants;
import org.glassfish.api.ActionReport;
import org.glassfish.api.I18n;
import org.glassfish.api.Param;
import org.glassfish.api.admin.*;
import org.glassfish.config.support.CommandTarget;
import org.glassfish.config.support.TargetType;
import org.glassfish.hk2.api.PerLookup;
import org.glassfish.resources.config.CustomResource;
import org.jvnet.hk2.annotations.Service;
import org.jvnet.hk2.config.ConfigSupport;
import org.jvnet.hk2.config.SingleConfigCode;
import org.jvnet.hk2.config.TransactionFailure;
import org.glassfish.resourcebase.resources.admin.cli.ResourceUtil;
import javax.inject.Inject;
import java.beans.PropertyVetoException;

/**
 * Delete Custom Resource object
 *
 */
@TargetType(value={CommandTarget.DAS,CommandTarget.DOMAIN, CommandTarget.CLUSTER, CommandTarget.STANDALONE_INSTANCE })
@RestEndpoints({
        @RestEndpoint(configBean = Resources.class,
                opType = RestEndpoint.OpType.DELETE,
                path = "delete-custom-resource",
                description = "delete-custom-resource")
})

@org.glassfish.api.admin.ExecuteOn(value={RuntimeType.ALL})
@Service(name="delete-custom-resource")
@PerLookup
@I18n("delete.custom.resource")
public class DeleteCustomResource implements AdminCommand {

    final private static LocalStringManagerImpl localStrings =
            new LocalStringManagerImpl(DeleteCustomResource.class);

    @Param(optional=true, defaultValue=SystemPropertyConstants.DAS_SERVER_NAME)
    private String target;

    @Param(name="jndi_name", primary=true)
    private String jndiName;

    @Inject
    private Domain domain;

    @Inject
    private ServerEnvironment environment;

    @Inject
    private ResourceUtil resourceUtil;
    
    /**
     * Executes the command with the command parameters passed as Properties
     * where the keys are the paramter names and the values the parameter values
     *
     * @param context information
     */
    public void execute(AdminCommandContext context) {

        final ActionReport report = context.getActionReport();

        // ensure we already have this resource
        if(domain.getResources().getResourceByName(CustomResource.class, jndiName) == null){
            report.setMessage(localStrings.getLocalString(
                    "delete.custom.resource.notfound",
                    "A custom resource named {0} does not exist.", jndiName));
            report.setActionExitCode(ActionReport.ExitCode.FAILURE);
            return;
        }

        if (environment.isDas()) {

            if ("domain".equals(target)) {
                if (resourceUtil.getTargetsReferringResourceRef(jndiName).size() > 0) {
                    report.setMessage(localStrings.getLocalString("delete.custom.resource.resource-ref.exist",
                            "custom-resource [ {0} ] is referenced in an" +
                                    "instance/cluster target, Use delete-resource-ref on appropriate target",
                            jndiName));
                    report.setActionExitCode(ActionReport.ExitCode.FAILURE);
                    return;
                }
            } else {
                if (!resourceUtil.isResourceRefInTarget(jndiName, target)) {
                    report.setMessage(localStrings.getLocalString("delete.custom.resource.no.resource-ref",
                            "custom-resource [ {0} ] is not referenced in target [ {1} ]",
                            jndiName, target));
                    report.setActionExitCode(ActionReport.ExitCode.FAILURE);
                    return;

                }

                if (resourceUtil.getTargetsReferringResourceRef(jndiName).size() > 1) {
                    report.setMessage(localStrings.getLocalString("delete.custom.resource.multiple.resource-refs",
                            "custom-resource [ {0} ] is referenced in multiple " +
                                    "instance/cluster targets, Use delete-resource-ref on appropriate target",
                            jndiName));
                    report.setActionExitCode(ActionReport.ExitCode.FAILURE);
                    return;
                }
            }
        }

        try {
            // delete resource-ref
            resourceUtil.deleteResourceRef(jndiName, target);

            // delete custom-resource
            ConfigSupport.apply(new SingleConfigCode() {

                public Object run(Resources param) throws PropertyVetoException,
                        TransactionFailure {
                    CustomResource resource = (CustomResource)
                            domain.getResources().getResourceByName(CustomResource.class, jndiName);
                        if (resource != null && resource.getJndiName().equals(jndiName)) {
                            return param.getResources().remove(resource);
                        }
                    return null;
                }
            }, domain.getResources());

            report.setMessage(localStrings.getLocalString("delete.custom.resource.success",
                    "Custom resource {0} deleted", jndiName));
            report.setActionExitCode(ActionReport.ExitCode.SUCCESS);
        } catch (TransactionFailure tfe) {
            report.setMessage(localStrings.getLocalString("delete.custom.resource.fail",
                    "Unable to delete custom resource {0}", jndiName) + " " + tfe.getLocalizedMessage());
            report.setActionExitCode(ActionReport.ExitCode.FAILURE);
            report.setFailureCause(tfe);
        }
    }
}




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