XdsServer.java

/**
 *  Copyright (c) 2009-2010 Misys Open Source Solutions (MOSS) and others
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
 *  implied. See the License for the specific language governing
 *  permissions and limitations under the License.
 *
 *  Contributors:
 *    Misys Open Source Solutions - initial API and implementation
 *    -
 */

package org.openhealthtools.openxds;

import java.io.File;
import java.util.Collection;

import org.openhealthtools.openexchange.actorconfig.IheConfigurationException;
import org.openhealthtools.openexchange.config.BootStrapProperties;
import org.openhealthtools.openexchange.config.ConfigProcessorFactory;
import org.openhealthtools.openexchange.config.ConfigurationException;
import org.openhealthtools.openexchange.config.PropertyFacade;
import org.openhealthtools.openexchange.config.SpringFacade;
import org.openhealthtools.openexchange.utils.StringUtil;
import org.openhealthtools.openxds.configuration.XdsConfigurationLoader;

/**
 * This class manages the stand alone XDS server startup.
 * 
 * @author <a href="mailto:wenzhi.li@misys.com">Wenzhi Li</a>
 *
 */
public class XdsServer {

	/**
	 * The main method to start up XDS Registry or Repository server.
	 * 
	 * @param args For server startup, it is expected to have 2 arguments.
	 *        The first is "startup"; the second one is the full file 
	 *        path to IheActors.xml.  
	 *        <p>
	 */
	public static void main(String[] args) {
        //First of all, load all the properties of this application.       
		try {
			String[] propertyFiles = BootStrapProperties.getPropertyFiles(new String[]{"openxds.properties"});
			PropertyFacade.loadProperties(propertyFiles);
		}catch(ConfigurationException e) {
			e.printStackTrace();
		}
		
		//then, load Spring container
		XdsFactory.getInstance();
		
		//Last, load actor configuration
        String actorDir = PropertyFacade.getString("ihe.actors.dir");
        String actorFile = null; 
        
        File dir = new File(actorDir);
        if (dir.exists()) {
        	actorFile = dir.getAbsolutePath();
        	//remove the current . folder from the path
        	actorFile = actorFile.replace(File.separator+"."+File.separator, File.separator);
        	actorFile = actorFile + File.separator + "IheActors.xml";
        } else {
			if (args.length != 2 ||		    
			    (args.length == 2 && !args[0].equalsIgnoreCase("startup")) ) {
				printUsage();
				return ;
			}
			if (args.length == 2 && args[0].equalsIgnoreCase("startup") ) {
				actorFile = args[1];
			} 
        }
        
	    //Start up the servers
		XdsConfigurationLoader loader = XdsConfigurationLoader.getInstance();
        try {
            loader.loadConfiguration(actorFile, false);
            Collection actors = loader.getActorDescriptions();
            loader.resetConfiguration(actors);
        } catch (IheConfigurationException e) {
            e.printStackTrace();
        }
        
	}
        		
	/**
	 * Prints the usage of how to start up this XDS server.
	 */
	private static void printUsage() {
		System.out.println("*********************************************************");
		System.out.println("To start up the XDS server:");		
		System.out.println("  Either configure a valid ihe.actors.dir property");		
		System.out.println("Or run ");
	    System.out.println("  java XdsServer startup <full path of IheActors.xml>");
		System.out.println("*********************************************************");		
	}
}