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/*
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 *
 * Copyright (c) 2012 Oracle and/or its affiliates. All rights reserved.
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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
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
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 * file and include the License file at packager/legal/LICENSE.txt.
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package org.glassfish.deployment.admin;

import javax.security.auth.Subject;
import org.glassfish.api.admin.AdminCommand;
import org.glassfish.api.admin.AdminCommandContext;
import org.glassfish.api.admin.CommandLock;
import org.glassfish.api.admin.RuntimeType;
import org.glassfish.api.admin.ParameterMap;
import org.glassfish.api.admin.CommandRunner;
import org.glassfish.api.ActionReport;
import org.glassfish.api.Param;
import org.glassfish.deployment.common.DeploymentUtils;
import org.glassfish.deployment.common.DeploymentProperties;
import com.sun.enterprise.config.serverbeans.Application;
import com.sun.enterprise.config.serverbeans.Applications;
import com.sun.enterprise.config.serverbeans.AppTenant;
import java.util.ArrayList;

import javax.inject.Inject;
import org.jvnet.hk2.annotations.Service;
import org.glassfish.hk2.api.PerLookup;

import java.util.Collection;
import java.util.List;
import org.glassfish.api.admin.AccessRequired;
import org.glassfish.api.admin.AccessRequired.AccessCheck;
import org.glassfish.api.admin.AdminCommandSecurity;

@Service(name="_mt-undeploy")
@org.glassfish.api.admin.ExecuteOn(value={RuntimeType.DAS})
@PerLookup
@CommandLock(CommandLock.LockType.NONE)
public class MTUndeployCommand implements AdminCommand, AdminCommandSecurity.AccessCheckProvider {

    @Param(primary = true)
    public String name;

    @Inject
    CommandRunner commandRunner;

    @Inject
    Applications applications;
    
    private Application app;
    private List appTenants = null;

    @Override
    public Collection getAccessChecks() {
        final List accessChecks = new ArrayList();
        app = applications.getApplication(name);
        if (app != null) {
            accessChecks.add(new AccessCheck(AccessRequired.Util.resourceNameFromConfigBeanProxy(app), "read"));
            if (app.getAppTenants() != null) {
                appTenants = app.getAppTenants().getAppTenant();
                for (AppTenant appTenant : appTenants) {
                    accessChecks.add(new AccessCheck(AccessRequired.Util.resourceNameFromConfigBeanProxy(appTenant), "delete"));
                }
            }
        }
        return accessChecks;
    }

    public void execute(AdminCommandContext context) {

        final ActionReport report = context.getActionReport();

        // now unprovision the application from tenants if any was
        // provisioned
        unprovisionAppFromTenants(name, report, context.getSubject());

        // invoke the undeploy command with domain target to undeploy the
        // application from domain

        CommandRunner.CommandInvocation inv = commandRunner.getCommandInvocation("undeploy", report, context.getSubject());

        final ParameterMap parameters = new ParameterMap();

        parameters.set("DEFAULT", name);

        parameters.set(DeploymentProperties.TARGET, DeploymentUtils.DOMAIN_TARGET_NAME);
        inv.parameters(parameters).execute();
    }

    private void unprovisionAppFromTenants(String appName, ActionReport report, final Subject subject) {
        
        if (app == null || appTenants== null) {
            return;
        }

        for (AppTenant tenant : appTenants) {
            ActionReport subReport = report.addSubActionsReport();
            CommandRunner.CommandInvocation inv = commandRunner.getCommandInvocation("_mt-unprovision", subReport, subject);
            ParameterMap parameters = new ParameterMap();
            parameters.add("DEFAULT", appName);
            parameters.add("tenant", tenant.getTenant());
            inv.parameters(parameters).execute();
        }
    }
}