* 20060828	  155439 mahutch@ca.ibm.com - Mark Hutchinson

  //these are the jar sizes that correspond to the jars in JARLIST.

  private static long[] JARSIZES = {

	  1632995L,

	  71442L,

	  32062L,

	  19419L,

	  126771L

  };

  private static long COMMON_LOGGING_JAR_SIZE = 38015L;

  //Web Services Jars Used in previous Versions of WTP but now obsolete

  private static String[] OBSOLETE_JARS = new String[]{

	  "commons-discovery.jar",

	  "commons-logging.jar",

	  "log4j-1.2.4.jar",

	  "log4j-1.2.8.jar",

	  "wsdl4j.jar",

	  "axis-ant.jar"

  };

    deleteObsoleteJars(webModulePath);

  /*

   * Check for any obsolete Jars in WEB-INF/lib folder

   * Obsolete jars would be found in projects migrated

   * from older versions of WTP

   */

  private void deleteObsoleteJars(IPath webModulePath)

  {  

	  //First check for Any jars that have names that are known to be obsolete

	  for (int i=0; i <OBSOLETE_JARS.length; i++)

	  {

		  IPath path = webModulePath.append("WEB-INF/lib/" + OBSOLETE_JARS[i]);

		  IFile resource = ResourceUtils.getWorkspaceRoot().getFile(path);

		  if (resource.exists())

		  {

			  deleteResource(resource);

		  }

	  }

	  /*

	   * Next check for jars with the same name as a Jar in JARLIST

	   * but that have a different size than in JARSIZES.  We need to 

	   * do this because a jar could have the same name but still be out

	   * of date so size is only way to check.

	   * E.g. all versions of axis have the same name of axis.jar

	   */

	  for (int i=0; i< JARLIST.length; i++)

	  {

		  IPath path = webModulePath.append("WEB-INF/lib/" + JARLIST[i]);

		  IFile resource = ResourceUtils.getWorkspaceRoot().getFile(path);

		  if (resource.exists())

		  {

			  //calculate the size of the resource by getting the java.io.File    	  

			  long fileSize =resource.getLocation().toFile().length();

			  if (fileSize != JARSIZES[i])

			  {

				  deleteResource(resource);

			  }

		  }

	  }

	  //Finally check logging plugin (only left seperate because not in JARLIST)

	  IPath path = webModulePath.append("WEB-INF/lib/" + COMMON_LOGGING_JAR);

	  IFile resource = ResourceUtils.getWorkspaceRoot().getFile(path);

	  if (resource.exists())

	  {

		  //calculate the size of the resource by getting the java.io.File    	  

		  long fileSize =resource.getLocation().toFile().length();

		  if (fileSize != COMMON_LOGGING_JAR_SIZE)

		  {

			  deleteResource(resource);

		  }

	  }

  }

  private void deleteResource(IFile resource)

  {	  //delete the resource

	  try

	  {

		  //System.out.println("Obsolete Jar!! " + resource.getName());

		  resource.delete(true, null);

	  }

	  catch (Exception e)

	  {  //e.printStackTrace();

	  }

  }