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INT-2327 added Null check to SubscribableJmsChannel

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INT-2327 polishing

INT-2327 polishing
This commit is contained in:
Oleg Zhurakousky
2011-12-21 10:39:32 -05:00
committed by Mark Fisher
parent 8ebf99a0a8
commit 00448ebfcd
1 changed files with 13 additions and 8 deletions
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21
spring-integration-jms/src/main/java/org/springframework/integration/jms/SubscribableJmsChannel.java
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@@ -45,8 +45,7 @@ public class SubscribableJmsChannel extends AbstractJmsChannel implements Subscr
private final AbstractMessageListenerContainer container;
private volatile MessageDispatcher dispatcher;
public SubscribableJmsChannel(AbstractMessageListenerContainer container, JmsTemplate jmsTemplate) {
super(jmsTemplate);
Assert.notNull(container, "container must not be null");
@@ -55,21 +54,27 @@ public class SubscribableJmsChannel extends AbstractJmsChannel implements Subscr
public boolean subscribe(MessageHandler handler) {
Assert.state(this.dispatcher != null, "'MessageDispatcher' must not be null. This channel might not have been initialized");
return this.dispatcher.addHandler(handler);
}
public boolean unsubscribe(MessageHandler handler) {
Assert.state(this.dispatcher != null, "'MessageDispatcher' must not be null. This channel might not have been initialized");
return this.dispatcher.removeHandler(handler);
}
@Override
public void onInit() throws Exception {
super.onInit();
this.configureDispatcher(this.container.isPubSubDomain());
MessageListener listener = new DispatchingMessageListener(this.getJmsTemplate(), this.dispatcher);
this.container.setMessageListener(listener);
if (!this.container.isActive()) {
this.container.afterPropertiesSet();
synchronized (this.dispatcher) {
if (this.dispatcher == null){
super.onInit();
this.configureDispatcher(this.container.isPubSubDomain());
MessageListener listener = new DispatchingMessageListener(this.getJmsTemplate(), this.dispatcher);
this.container.setMessageListener(listener);
if (!this.container.isActive()) {
this.container.afterPropertiesSet();
}
}
}
}