/* * * Copyright (c) 1999 - 2011 my-Channels Ltd * Copyright (c) 2012 - 2017 Software AG, Darmstadt, Germany and/or Software AG USA Inc., Reston, VA, USA, and/or its subsidiaries and/or its affiliates and/or their licensors. * * Use, reproduction, transfer, publication or disclosure is prohibited except as specifically provided for in your License Agreement with Software AG. * */ package com.pcbsys.nirvana.apps; import com.pcbsys.nirvana.client.*; /** * Deletes a nirvana queue */ public class deleteQueue extends nSampleApp { private static deleteQueue mySelf = null; /** * This method demonstrates the Nirvana API calls necessary to delete * a queue. * It is called after all command line arguments have been received and * validated * * @param realmDetails a String[] containing the possible RNAME values * @param queueName the queue name to delete */ private void doit(String[] realmDetails, String queueName) { mySelf.constructSession(realmDetails); //Deletes the specified queue try { //Create a channel attributes object nChannelAttributes nca = new nChannelAttributes(); nca.setName(queueName); //Delete the queue mySession.deleteQueue(nca); } //Handle errors catch (nChannelNotFoundException cnfe) { System.out.println("The queue specified could not be found."); System.out.println("Please ensure that the queue exists in the REALM you connect to."); cnfe.printStackTrace(); System.exit(1); } catch (nSecurityException se) { System.out.println("Insufficient permissions for the requested operation."); System.out.println("Please check the ACL settings on the server."); se.printStackTrace(); System.exit(1); } catch (nSessionNotConnectedException snce) { System.out.println("The session object used is not physically connected to the Nirvana realm."); System.out.println("Please ensure the realm is up and check your RNAME value."); snce.printStackTrace(); System.exit(1); } catch (nUnexpectedResponseException ure) { System.out.println("The Nirvana REALM has returned an unexpected response."); System.out.println("Please ensure the Nirvana REALM and client API used are compatible."); ure.printStackTrace(); System.exit(1); } catch (nUnknownRemoteRealmException urre) { System.out.println("The queue specified resided in a remote realm which could not be found."); System.out.println("Please ensure the queue name specified is correct."); urre.printStackTrace(); System.exit(1); } catch (nRequestTimedOutException rtoe) { System.out.println("The requested operation has timed out waiting for a response from the REALM."); System.out.println("If this is a very busy REALM ask your administrator to increase the client timeout values."); rtoe.printStackTrace(); System.exit(1); } catch (nBaseClientException nbce) { System.out.println("An error occured while creating the Channel Attributes object."); nbce.printStackTrace(); System.exit(1); } //Close the session we opened try { nSessionFactory.close(mySession); } catch (Exception ex) { } //Close any other sessions within this JVM so that we can exit nSessionFactory.shutdown(); } protected void processArgs(String[] args) { switch (args.length) { case 1: if (args[0].equals("-?")) { Usage(); UsageEnv(); } System.getProperties().put("QUEUENAME", args[0]); break; } } public static void main(String[] args) { //Create an instance for this class mySelf = new deleteQueue(); //Process command line arguments mySelf.processArgs(args); //Process Environment Variables nSampleApp.processEnvironmentVariables(); //Check the queue name specified String queueName = null; if (System.getProperty("QUEUENAME") != null) { queueName = System.getProperty("QUEUENAME"); } else { Usage(); System.exit(1); } //Check the local realm details int idx = 0; String RNAME = null; if (System.getProperty("RNAME") != null) { RNAME = System.getProperty("RNAME"); } else { Usage(); System.exit(1); } //Process the local REALM RNAME details String[] rproperties = new String[4]; rproperties = parseRealmProperties(RNAME); //delete the queue specified mySelf.doit(rproperties, queueName); } /** * Prints the usage message for this class */ private static void Usage() { System.out.println("Usage ...\n"); System.out.println("ndelq \n"); System.out.println(" \n"); System.out.println(" - Queue name parameter for the channel to delete"); System.out.println("\n\nNote: -? provides help on environment variables \n"); } } // End of deleteQueue Class