Glassfish example source code file (ResourceUtil.java)

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Java - Glassfish tags/keywords

cluster, domain, inject, inject, list, server, server, service, set, set, string, string, target, transactionfailure, util

The Glassfish ResourceUtil.java source code

/*
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 *
 * Copyright (c) 2010 Oracle and/or its affiliates. All rights reserved.
 *
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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.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
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 * and therefore, elected the GPL Version 2 license, then the option applies
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 */

package org.glassfish.admin.cli.resources;

import com.sun.enterprise.config.serverbeans.*;
import com.sun.enterprise.util.SystemPropertyConstants;
import org.glassfish.internal.api.Target;
import org.jvnet.hk2.annotations.Inject;
import org.jvnet.hk2.annotations.Service;
import org.jvnet.hk2.component.Habitat;
import org.jvnet.hk2.config.TransactionFailure;

import java.util.HashSet;
import java.util.List;
import java.util.Set;

/**
 * @author Jagadish Ramu
 */
@Service
public class ResourceUtil {

    private static final String DOMAIN = "domain";

    @Inject
    private Habitat habitat;

    @Inject
    private Domain domain;

    //to initialize config-bean-utils in mvn test mode.
    @Inject
    private ConfigBeansUtilities configBeanUtilities;

    public void createResourceRef(String jndiName, String enabled, String target) throws TransactionFailure {

        if (target.equals(DOMAIN)) {
            return;
        }

        if( domain.getConfigNamed(target) != null){
            return;
        }
        
        Server server = ConfigBeansUtilities.getServerNamed(target);
        if (server != null) {
            if (!server.isResourceRefExists(jndiName)) {
                // create new ResourceRef as a child of Server
                server.createResourceRef(enabled, jndiName);
            }
        } else {
            Cluster cluster = domain.getClusterNamed(target);
            if(cluster != null){
                if (!cluster.isResourceRefExists(jndiName)) {
                    // create new ResourceRef as a child of Cluster
                    cluster.createResourceRef(enabled, jndiName);

                    // create new ResourceRef for all instances of Cluster
                    Target tgt = habitat.getComponent(Target.class);
                    List<Server> instances = tgt.getInstances(target);
                    for (Server svr : instances) {
                        if (!svr.isResourceRefExists(jndiName)) {
                            svr.createResourceRef(enabled, jndiName);
                        }
                    }
                }
            }
        }
    }

    /**
     * When <i>enabled=false for create-***-resource (a resource that will have resource-ref)
     * and the --target is not <i>domain or config, enabled value for resource
     * should be true and <i>enabled value for the resource-ref should be false.
     * @param enabledValue enabled
     * @param target target
     * @return computed value for <i>enabled
     */
    public String computeEnabledValueForResourceBasedOnTarget(String enabledValue, String target) {
        String result = enabledValue;
        boolean enabled = Boolean.valueOf(enabledValue);
        if(!isNonResourceRefTarget(target) && !enabled ){
            result = Boolean.toString(!enabled);
        }
        return result;
    }

    /**
     * Determines whether the target is of type "domain" or "config"
     * where resource-ref will not be created.
     * @param target target-name
     * @return boolean
     */
    private boolean isNonResourceRefTarget(String target){
        boolean isNonResourceRefTarget = false;
        if(DOMAIN.equals(target)){
            isNonResourceRefTarget = true;
        }else{
            if(domain.getConfigNamed(target)!=null){
                isNonResourceRefTarget = true;
            }
        }
        return isNonResourceRefTarget;
    }

    public boolean isResourceRefInTarget(String refName, String target){
        Set<String> targets = getTargetsReferringResourceRef(refName);
        boolean resourceRefInTarget = false;
        for(String refTarget : targets){
            if(refTarget.equals(target)){
                resourceRefInTarget = true;
                break;
            }
        }
        return resourceRefInTarget;
    }


    public Set<String> getTargetsReferringResourceRef(String refName) {
        Set<String> targets = new HashSet();
        List<Server> servers = domain.getServers().getServer();
        for(Server server: servers){
            if(server.getResourceRef(refName) != null){
                if(server.getCluster() != null){
                    targets.add(server.getCluster().getName());
                }else if(server.isDas()){
                    targets.add(SystemPropertyConstants.DAS_SERVER_NAME);
                }else if(server.isInstance()){
                    targets.add(server.getName());
                }
            }
        }
        return targets;
    }


    public void deleteResourceRef(String jndiName, String target) throws TransactionFailure {

        if (target.equals(DOMAIN)) {
            return;
        }

        if( domain.getConfigNamed(target) != null){
            return;
        }

        Server server = ConfigBeansUtilities.getServerNamed(target);
        if (server != null) {
            if (server.isResourceRefExists(jndiName)) {
                // delete ResourceRef for Server
                server.deleteResourceRef(jndiName);
            }
        } else {
            Cluster cluster = domain.getClusterNamed(target);
            if(cluster != null){
                if (cluster.isResourceRefExists(jndiName)) {
                    // delete ResourceRef of Cluster
                    cluster.deleteResourceRef(jndiName);

                    // delete ResourceRef for all instances of Cluster
                    Target tgt = habitat.getComponent(Target.class);
                    List<Server> instances = tgt.getInstances(target);
                    for (Server svr : instances) {
                        if (svr.isResourceRefExists(jndiName)) {
                            svr.deleteResourceRef(jndiName);
                        }
                    }
                }
            }
        }
    }
}