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Also wire objects in the parent flow sessions.

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This commit is contained in:
Erwin Vervaet
2008-06-19 09:45:36 +00:00
parent 4b78ebab36
commit ec9d5a5e83
1 changed files with 20 additions and 11 deletions
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31
spring-webflow/src/main/java/org/springframework/webflow/executor/support/AutowiringFlowExecutionListener.java
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@@ -1,21 +1,21 @@
package org.springframework.webflow.executor.support;
import java.util.Iterator;
import java.util.Map;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.webflow.core.collection.MutableAttributeMap;
import org.springframework.webflow.execution.FlowExecutionListener;
import org.springframework.webflow.execution.FlowExecutionListenerAdapter;
import org.springframework.webflow.execution.FlowSession;
import org.springframework.webflow.execution.RequestContext;
import org.springframework.webflow.execution.ScopeType;
/**
* Flow execution listener that will autowire objects found in the flow execution scopes when a flow execution
* {@link FlowExecutionListener#resumed(RequestContext) resumes}. It will run through all flow execution scopes in the
* order request, flash, flow and finally conversation scope.
* {@link FlowExecutionListener#resumed(RequestContext) resumes}.
* <p>
* This listener is particularly useful when you are storing stateful objects inside the flow execution that have
* dependencies on other objects, typically singleton service objects managed by Spring in an application context. Since
@@ -100,18 +100,27 @@ public class AutowiringFlowExecutionListener extends FlowExecutionListenerAdapte
}
public void resumed(RequestContext context) {
autowire(ScopeType.REQUEST, context);
autowire(ScopeType.FLASH, context);
autowire(ScopeType.FLOW, context);
autowire(ScopeType.CONVERSATION, context);
// autowire request scope, which is not tied to the flow session
autowire(ScopeType.REQUEST, context.getRequestScope());
// autowire flash and flow scope for all flow sessions in the flow execution
FlowSession flowSession = context.getFlowExecutionContext().getActiveSession();
while (flowSession != null) {
autowire(ScopeType.FLASH, flowSession.getFlashMap());
autowire(ScopeType.FLOW, flowSession.getScope());
flowSession = flowSession.getParent();
}
// autowire conversation scope, which is not tied to the flow session
autowire(ScopeType.CONVERSATION, context.getConversationScope());
}
/**
* Autowire all objects in specified flow execution scope.
* Autowire all objects in given flow execution scope.
*/
private void autowire(ScopeType scopeType, RequestContext context) {
Map scope = scopeType.getScope(context).asMap();
for (Iterator keys = scope.keySet().iterator(); keys.hasNext();) {
private void autowire(ScopeType scopeType, MutableAttributeMap scope) {
for (Iterator keys = scope.asMap().keySet().iterator(); keys.hasNext();) {
String key = (String) keys.next();
Object value = scope.get(key);
if (shouldBeAutowired(scopeType, key, value)) {