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easy jsf config support

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This commit is contained in:
Keith Donald
2007-02-28 17:53:26 +00:00
parent d997ffdf76
commit 45fc22e2a7
3 changed files with 37 additions and 27 deletions
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7
spring-webflow-samples/sellitem-jsf/src/main/webapp/WEB-INF/webflow-config.xml
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@@ -7,9 +7,12 @@
http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
http://www.springframework.org/schema/webflow-config
http://www.springframework.org/schema/webflow-config/spring-webflow-config-1.0.xsd">
<!-- Launches new flow executions and resumes existing executions -->
<flow:executor id="flowExecutor" registry-ref="flowRegistry"/>
<!-- Creates the registry of flow definitions for this application -->
<flow:registry id="flowDefinitionLocator">
<flow:registry id="flowRegistry">
<flow:location path="/WEB-INF/flows/sellitem-flow.xml" />
</flow:registry>

53
spring-webflow/src/main/java/org/springframework/webflow/executor/jsf/FlowFacesUtils.java
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@@ -17,7 +17,6 @@ package org.springframework.webflow.executor.jsf;
import javax.faces.context.FacesContext;
import org.springframework.beans.factory.NoSuchBeanDefinitionException;
import org.springframework.context.ApplicationContext;
import org.springframework.web.jsf.FacesContextUtils;
import org.springframework.webflow.conversation.impl.SessionBindingConversationManager;
@@ -27,7 +26,6 @@ import org.springframework.webflow.engine.impl.FlowExecutionImplStateRestorer;
import org.springframework.webflow.execution.FlowExecutionFactory;
import org.springframework.webflow.execution.repository.FlowExecutionRepository;
import org.springframework.webflow.execution.repository.support.SimpleFlowExecutionRepository;
import org.springframework.webflow.executor.FlowExecutor;
import org.springframework.webflow.executor.FlowExecutorImpl;
/**
@@ -66,12 +64,12 @@ public class FlowFacesUtils {
/**
* The default flow execution repository implementation to use.
*/
private static FlowExecutionRepository defaultRepository;
private static FlowExecutionRepository defaultExecutionRepository;
/**
* The default flow execution factory implementation to use.
*/
private static FlowExecutionFactory defaultFactory;
private static FlowExecutionFactory defaultExecutionFactory;
/**
* Returns the locator for flow definitions to use in a JSF environment.
@@ -83,15 +81,20 @@ public class FlowFacesUtils {
*/
public static FlowDefinitionLocator getDefinitionLocator(FacesContext context) {
ApplicationContext ac = FacesContextUtils.getRequiredWebApplicationContext(context);
try {
if (ac.containsBean(FLOW_DEFINITION_LOCATOR_BEAN_NAME)) {
return (FlowDefinitionLocator) ac.getBean(FLOW_DEFINITION_LOCATOR_BEAN_NAME, FlowDefinitionLocator.class);
}
catch (NoSuchBeanDefinitionException e) {
String message = "No bean definition with id '" + FLOW_DEFINITION_LOCATOR_BEAN_NAME
+ "' could be found; to use Spring Web Flow with JSF you must "
+ "configure your context with a FlowDefinitionLocator bean with this id "
+ "exposing a registry of flow definitions.";
throw new JsfFlowConfigurationException(message, e);
else {
FlowExecutorImpl flowExecutor = getFlowExecutor(context);
if (flowExecutor != null) {
return flowExecutor.getDefinitionLocator();
}
else {
String message = "No bean definition with id '" + FLOW_DEFINITION_LOCATOR_BEAN_NAME + "' or '"
+ FLOW_EXECUTOR_BEAN_NAME
+ "' could be found; to use Spring Web Flow with JSF a FlowDefinitionLocator must be resolvable";
throw new JsfFlowConfigurationException(message);
}
}
}
@@ -112,17 +115,17 @@ public class FlowFacesUtils {
FlowExecutionRepository.class);
}
else {
if (defaultRepository == null) {
FlowExecutor flowExecutor = getFlowExecutor(context);
if (flowExecutor != null && flowExecutor instanceof FlowExecutorImpl) {
defaultRepository = ((FlowExecutorImpl) flowExecutor).getExecutionRepository();
if (defaultExecutionRepository == null) {
FlowExecutorImpl flowExecutor = getFlowExecutor(context);
if (flowExecutor != null) {
defaultExecutionRepository = flowExecutor.getExecutionRepository();
}
else {
defaultRepository = new SimpleFlowExecutionRepository(new FlowExecutionImplStateRestorer(
defaultExecutionRepository = new SimpleFlowExecutionRepository(new FlowExecutionImplStateRestorer(
getDefinitionLocator(context)), new SessionBindingConversationManager());
}
}
return defaultRepository;
return defaultExecutionRepository;
}
}
@@ -142,16 +145,16 @@ public class FlowFacesUtils {
return (FlowExecutionFactory) ac.getBean(FLOW_EXECUTION_FACTORY_BEAN_NAME, FlowExecutionFactory.class);
}
else {
if (defaultFactory == null) {
FlowExecutor flowExecutor = getFlowExecutor(context);
if (flowExecutor != null && flowExecutor instanceof FlowExecutorImpl) {
defaultFactory = ((FlowExecutorImpl) flowExecutor).getExecutionFactory();
if (defaultExecutionFactory == null) {
FlowExecutorImpl flowExecutor = getFlowExecutor(context);
if (flowExecutor != null) {
defaultExecutionFactory = flowExecutor.getExecutionFactory();
}
else {
defaultFactory = new FlowExecutionImplFactory();
defaultExecutionFactory = new FlowExecutionImplFactory();
}
}
return defaultFactory;
return defaultExecutionFactory;
}
}
@@ -163,10 +166,10 @@ public class FlowFacesUtils {
* @param context the faces context
* @return the flow executor, or null if no such bean exists
*/
private synchronized static FlowExecutor getFlowExecutor(FacesContext context) {
private synchronized static FlowExecutorImpl getFlowExecutor(FacesContext context) {
ApplicationContext ac = FacesContextUtils.getRequiredWebApplicationContext(context);
if (ac.containsBean(FLOW_EXECUTOR_BEAN_NAME)) {
return (FlowExecutor) ac.getBean(FLOW_EXECUTOR_BEAN_NAME, FlowExecutor.class);
return (FlowExecutorImpl) ac.getBean(FLOW_EXECUTOR_BEAN_NAME, FlowExecutorImpl.class);
}
else {
return null;

4
spring-webflow/src/main/java/org/springframework/webflow/executor/jsf/JsfFlowConfigurationException.java
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@@ -23,6 +23,10 @@ import org.springframework.webflow.core.FlowException;
* @author Keith Donald
*/
public class JsfFlowConfigurationException extends FlowException {
public JsfFlowConfigurationException(String msg) {
super(msg);
}
public JsfFlowConfigurationException(String msg, Throwable cause) {
super(msg, cause);