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import java.net.*; |
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/** |
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* CORBA Services |
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* CORBA Services Manager |
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* |
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* This class provides a simple wrapper to CORBA services |
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* that require a web service to "share" their IOR files. |
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* This provides an all-in-one way of starting up service(s) |
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* and serving their IOR files. No external web servers are |
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* required. |
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* |
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* @author $Author$ |
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* @version $Id$ |
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*/ |
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*/ |
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public static final String REVISION = "$Revision$"; |
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/** |
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* Default path to "ok URL's" list |
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*/ |
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public static final String DEFAULTOKURLS = "./etc/okUrls.conf"; |
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|
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/** |
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* Default path to services list |
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*/ |
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public static final String DEFAULTSERVICESCONF = "./etc/services.conf"; |
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|
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/** |
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* Default path to web directory. Note there is *no* trailing slash. |
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*/ |
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public static final String DEFAULTWEBDIR = "./web"; |
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|
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/** |
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* Default port number |
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*/ |
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public static final int DEFAULTPORT = 8080; |
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//---STATIC METHODS--- |
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/** |
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* This main method starts the whole system up. A lot |
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* of the functionality is provided in this main class. |
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*/ |
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public static void main(String args[]) { |
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// Use JacORB |
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System.setProperty("org.omg.CORBA.ORBClass","jacorb.orb.ORB"); |
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System.setProperty("org.omg.CORBA.ORBSingletonClass","jacorb.orb.ORBSingleton"); |
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System.out.println("--- i-scream CORBA Services Manager ---"); |
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System.out.println("--- Starting System ---"); |
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// Read command line arguments |
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String okUrls = DEFAULTOKURLS; |
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String servicesConf = DEFAULTSERVICESCONF; |
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String webDir = DEFAULTWEBDIR; |
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} |
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} |
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// Read in the services configuration |
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System.out.println("--- Reading Configuration ---"); |
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LinkedList serviceList = getServicesList(servicesConf); |
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j++; |
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} |
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// Start the services one by one |
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System.out.println("--- Starting CORBA Services ---"); |
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// start the services |
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try { |
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// get hook on the runtime |
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// get hooks on the system loaders |
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Runtime myRuntime = Runtime.getRuntime(); |
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// get hook on the system Class loader |
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ClassLoader myClassLoader = ClassLoader.getSystemClassLoader(); |
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// step through each app, and start it rolling |
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// start each service one by one |
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for (int k=0; k < svcList.length; k++) { |
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// Load the class |
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Class myClass = myClassLoader.loadClass(svcList[k]); |
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// and we don't support passing of individual args, but we will ;-) so its just null |
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// Sort out the command line parameters |
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String[] passedArgs = new String[svcListParams[k].size()]; |
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// keep a String list for printing out later :) |
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String arglist = ""; |
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i = svcListParams[k].iterator(); |
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int p = 0; |
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// Now we know where it is, we need to create a thread for it, passing in |
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// a list of objects that represent its args. |
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Object[] passedArgsObject = {passedArgs}; |
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ApplicationThread anApp = new ApplicationThread(myMethod, passedArgsObject); |
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ServiceThread aSvc = new ServiceThread(myMethod, passedArgsObject); |
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// Finally we start it going |
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anApp.start(); |
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System.out.println(svcList[k]+arglist); |
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// Now we go and start the rest of the Apps listed |
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aSvc.start(); |
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System.out.println(svcList[k]+arglist); |
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} |
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} catch (Exception e) { |
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System.out.println("--- Starting Mini WebServer ---"); |
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// print out some system details |
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String host; |
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try { |
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host = InetAddress.getLocalHost().getHostName(); |
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System.out.println("--- i-scream CORBA Services Ready ---"); |
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} |
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< |
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/** |
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* Print out usage information. |
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*/ |
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private static void usage() { |
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System.out.println("USAGE: java uk.ac.ukc.iscream.corbaservices.CorbaServices <option>"); |
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System.out.println(" or: java -jar iscream-corbaservices.jar <option>"); |
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System.out.println(" -h - this help screen"); |
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System.exit(1); |
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} |
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< |
|
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|
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/** |
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* Read the services into a LinkedList. This is later |
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* parsed to get classes and parameters. |
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* |
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* @param filename the services configuration file |
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* @return a LinkedList of services |
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*/ |
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private static LinkedList getServicesList(String filename) { |
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File file = new File(filename); |
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LinkedList svcList = new LinkedList(); |
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if(file.exists() && file.canRead()) { |
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// if we can read the file, do so into svcList |
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try { |
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BufferedReader reader = new BufferedReader(new FileReader(file)); |
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while(reader.ready()) { |
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String line = reader.readLine(); |
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// ignore comments |
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if(!line.startsWith("#")) { |
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svcList.add(line); |
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} |
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//---STATIC ATTRIBUTES--- |
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|
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//---INNER CLASSES--- |
| 240 |
< |
|
| 241 |
< |
private static class ApplicationThread extends Thread { |
| 240 |
> |
|
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> |
/** |
| 242 |
> |
* Inner class to provide a thread for running a Service. |
| 243 |
> |
*/ |
| 244 |
> |
private static class ServiceThread extends Thread { |
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|
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// The constructor takes the name of the method we're gonna run |
| 247 |
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// and the arguments we're gonna pass into it |
| 248 |
< |
ApplicationThread(Method mainMethod, Object[] args) { |
| 248 |
> |
ServiceThread(Method mainMethod, Object[] args) { |
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_mainMethod = mainMethod; |
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_args = args; |
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} |
