org.apache.myfaces.extensions.cdi.jsf.impl.scope.conversation.DefaultCloseConversationGroupStrategy Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.myfaces.extensions.cdi.jsf.impl.scope.conversation;
import org.apache.myfaces.extensions.cdi.jsf.impl.scope.conversation.spi.CloseConversationGroupStrategy;
import org.apache.myfaces.extensions.cdi.core.api.scope.conversation.WindowContext;
import org.apache.myfaces.extensions.cdi.core.api.scope.conversation.CloseConversationGroup;
import javax.interceptor.InvocationContext;
import javax.enterprise.context.Dependent;
import javax.inject.Inject;
import java.lang.reflect.Method;
/**
* @author Gerhard Petracek
*/
@Dependent
public class DefaultCloseConversationGroupStrategy implements CloseConversationGroupStrategy
{
private static final long serialVersionUID = 3781434188201702757L;
@Inject
private WindowContext windowContext;
/**
* {@inheritDoc}
*/
public Object execute(InvocationContext invocationContext) throws Exception
{
Object result = null;
CloseConversationGroup closeConversationGroup = getCloseConversationGroupAnnotation(invocationContext);
RuntimeException catchedException = null;
try
{
result = invocationContext.proceed();
}
catch (RuntimeException exception)
{
catchedException = exception;
}
if(isDefaultExceptionValue(closeConversationGroup) ||
(catchedException != null && checkExceptionToCatch(catchedException, closeConversationGroup.on())))
{
Class conversationGroup = getConversationGroup(invocationContext, closeConversationGroup);
this.windowContext.closeConversation(conversationGroup);
}
return result;
}
private Class getConversationGroup(InvocationContext invocationContext,
CloseConversationGroup closeConversationGroup)
{
Class conversationGroup = closeConversationGroup.group();
if(CloseConversationGroup.class.isAssignableFrom(conversationGroup))
{
conversationGroup = invocationContext.getMethod().getDeclaringClass();
//TODO support more use-cases
}
return conversationGroup;
}
private boolean checkExceptionToCatch(RuntimeException catchedException,
Class specifiedException)
{
if(specifiedException.isAssignableFrom(catchedException.getClass()))
{
return true;
}
throw catchedException;
}
private CloseConversationGroup getCloseConversationGroupAnnotation(InvocationContext invocationContext)
{
Method method = invocationContext.getMethod();
return method.getAnnotation(CloseConversationGroup.class);
}
private boolean isDefaultExceptionValue(CloseConversationGroup closeConversationGroup)
{
return RuntimeException.class.getName().equals(closeConversationGroup.on().getName());
}
}