| Clover coverage report - |
|
 |
|
|
|||||||||||||||||||
| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| AdministeredObjectsLocator.java | - | 46.7% | 100% | 55.6% |
|
||||||||||||||
| 1 | /** | |
| 2 | * JTRunner is free software; you can redistribute it and/or modify it under the | |
| 3 | * terms of the GNU General Public License as published by the Free Software | |
| 4 | * Foundation; either version 2, or (at your option) any later version. | |
| 5 | */ | |
| 6 | ||
| 7 | package jtr.jms; | |
| 8 | ||
| 9 | import java.util.Hashtable; | |
| 10 | ||
| 11 | import javax.naming.Context; | |
| 12 | import javax.naming.NamingException; | |
| 13 | import javax.naming.InitialContext; | |
| 14 | ||
| 15 | import javax.jms.ConnectionFactory; | |
| 16 | import javax.jms.Destination; | |
| 17 | ||
| 18 | import jtr.enterprise.LocatorException; | |
| 19 | import org.apache.log4j.Logger; | |
| 20 | ||
| 21 | /** | |
| 22 | * This static class exposes methods useful for retrieving JMS administered | |
| 23 | * objects.<br> | |
| 24 | * They include: | |
| 25 | * <br> | |
| 26 | * 1. <code>ConnectionFactory</code><br> | |
| 27 | * 2. <code>QueueConnectionFactory</code><br> | |
| 28 | * 3. <code>TopicConnectionFactory</code><br> | |
| 29 | * 4. <code>Destination</code><br> | |
| 30 | * 5. <code>Queue</code><br> | |
| 31 | * 6. <code>Topic</code><br> | |
| 32 | * The retrieval is based on the information provided with the | |
| 33 | * <code>enterprise</code> jtr-configuration element.<br> | |
| 34 | * | |
| 35 | * @author Francesco Russo (frusso@dev.java.net) | |
| 36 | * @version 4.0 | |
| 37 | * @since 1.1 | |
| 38 | */ | |
| 39 | public class AdministeredObjectsLocator { | |
| 40 | ||
| 41 | /** | |
| 42 | * Retrieves a <code>ConnectionFactory</code> using the provided JNDI | |
| 43 | * name.<br> | |
| 44 | * The initial context is created according to the input | |
| 45 | * <code>environment</code>: it represents the set of properties | |
| 46 | * specified into the <code>enterprise</code> element of the | |
| 47 | * <code>jtr.xml</code> configuration file the current | |
| 48 | * <code>IRunner</code> concrete implementation refers to.<br> | |
| 49 | * <b>Note:<b> this method returns <code>ConnectionFactory</code> | |
| 50 | * instances, so you should cast them to whatever you might actually need (<code>QueueConnectionFactory, TopicConnectionFactory</code>). | |
| 51 | * | |
| 52 | * @param jndiName | |
| 53 | * The actual name of the JMS administered object | |
| 54 | * @param environment | |
| 55 | * The set of properties required for creating the initial | |
| 56 | * context | |
| 57 | * @throws LocatorException | |
| 58 | * Something went wrong while retrieving the JMS administered | |
| 59 | * object | |
| 60 | * @return ConnectionFactory The concrete <code>ConnectionFactory</code> | |
| 61 | */ | |
| 62 | 14 | public static ConnectionFactory getConnectionFactory(String jndiName, Hashtable environment) throws LocatorException { |
| 63 | 14 | try { |
| 64 | 14 | Context ictx = getInitialContext(environment); |
| 65 | 14 | return (ConnectionFactory) ictx.lookup(jndiName); |
| 66 | } catch (NamingException ne) { | |
| 67 | 0 | logger.error("Unable to locate resource " + jndiName + ". Check configuration or JNDI name.", ne); |
| 68 | 0 | throw new LocatorException("Unable to locate resource " + jndiName + ". Check configuration or JNDI name.", ne); |
| 69 | } catch (ClassCastException cce) { | |
| 70 | 0 | logger.error("Unable to cast resource " + jndiName + " to javax.jms.ConnectionFactory.", cce); |
| 71 | 0 | throw new LocatorException("Unable to cast resource " + jndiName + " to javax.jms.ConnectionFactory.", cce); |
| 72 | } | |
| 73 | } | |
| 74 | ||
| 75 | /** | |
| 76 | * Retrieves a <code>Destination</code> using the provided JNDI name.<br> | |
| 77 | * The initial context is created according to the input | |
| 78 | * <code>environment</code>: it represents the set of properties | |
| 79 | * specified into the <code>enterprise</code> element of the | |
| 80 | * <code>jtr.xml</code> configuration file the current | |
| 81 | * <code>IRunner</code> concrete implementation refers to.<br> | |
| 82 | * <b>Note:<b> this method returns <code>Destination</code> instances, so | |
| 83 | * you should cast them to whatever you might actually need (<code>Queue, Topic</code>). | |
| 84 | * | |
| 85 | * @param jndiName | |
| 86 | * The actual name of the JMS administered object | |
| 87 | * @param environment | |
| 88 | * The set of properties required for creating the initial | |
| 89 | * context | |
| 90 | * @throws LocatorException | |
| 91 | * Something went wrong while retrieving the JMS administered | |
| 92 | * object | |
| 93 | * @return Destination The concrete <code>Destination</code> | |
| 94 | */ | |
| 95 | 14 | public static Destination getDestination(String jndiName, Hashtable environment) throws LocatorException { |
| 96 | 14 | try { |
| 97 | 14 | Context ictx = getInitialContext(environment); |
| 98 | 14 | return (Destination) ictx.lookup(jndiName); |
| 99 | } catch (NamingException ne) { | |
| 100 | 0 | logger.error("Unable to locate resource " + jndiName + ". Check configuration or JNDI name.", ne); |
| 101 | 0 | throw new LocatorException("Unable to locate resource " + jndiName + ". Check configuration or JNDI name.", ne); |
| 102 | } catch (ClassCastException cce) { | |
| 103 | 0 | logger.error("Unable to cast resource " + jndiName + " to javax.jms.Destination.", cce); |
| 104 | 0 | throw new LocatorException("Unable to cast resource " + jndiName + " to javax.jms.Destination.", cce); |
| 105 | } | |
| 106 | } | |
| 107 | ||
| 108 | 28 | private static Context getInitialContext(Hashtable env) throws NamingException { |
| 109 | 28 | return new InitialContext(env); |
| 110 | } | |
| 111 | ||
| 112 | private static Logger logger = Logger.getLogger(AdministeredObjectsLocator.class); | |
| 113 | } |
|
||||||||||
