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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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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
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 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
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package com.sun.enterprise.instance;

import java.util.Map;
import java.util.HashMap;

import com.sun.enterprise.config.ConfigContext;
import  com.sun.enterprise.deployment.backend.DeployableObjectInfo;
import  com.sun.enterprise.deployment.backend.DeployableObjectType;
import com.sun.enterprise.deployment.Application;
import com.sun.enterprise.deployment.RootDeploymentDescriptor;
import com.sun.enterprise.config.serverbeans.*;
import com.sun.enterprise.config.ConfigException;

import com.sun.enterprise.config.serverbeans.PropertyResolver;

/** Base-class for all the different types of ModulesManager's.
 *  Put common code that applies to all types of modules in here...
 **/

public abstract class ModulesManager extends BaseManager {
    protected ModulesManager(InstanceEnvironment env, boolean useBackupServerXml) throws ConfigException {
        super(env, useBackupServerXml);
    }
    
    /**
     * @return the registered descriptors map
     */
    public Map getRegisteredDescriptors() {
                
        if (modules==null) {
            synchronized (ModulesManager.class) {
                if (modules==null) {
                    modules = new HashMap();
                }
            }
        } 
        return modules;
    }
    
    protected String resolvePath(String path) {
        String resolved = path;
        try {
            resolved =  new PropertyResolver(configContext, 
                getInstanceEnvironment().getName()).resolve(path);
        } catch (ConfigException ce) {
            //log this.
        }
        return resolved;
    }

    private static Map modules = null;
    
}