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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.deltaspike.core.util;
import java.lang.annotation.Annotation;
import javax.enterprise.context.ContextNotActiveException;
import javax.enterprise.inject.Typed;
import javax.enterprise.inject.spi.BeanManager;
import org.apache.deltaspike.core.api.provider.BeanManagerProvider;
/**
* A set of utility methods for working with contexts.
*/
@Typed()
public abstract class ContextUtils
{
private ContextUtils()
{
// prevent instantiation
}
/**
* Checks if the context for the given scope annotation is active.
*
* @param scopeAnnotationClass The scope annotation (e.g. @RequestScoped.class)
* @return If the context is active.
*/
public static boolean isContextActive(Class<? extends Annotation> scopeAnnotationClass)
{
return isContextActive(scopeAnnotationClass, BeanManagerProvider.getInstance().getBeanManager());
}
/**
* Checks if the context for the given scope annotation is active.
*
* @param scopeAnnotationClass The scope annotation (e.g. @RequestScoped.class)
* @param beanManager The {@link BeanManager}
* @return If the context is active.
*/
public static boolean isContextActive(Class<? extends Annotation> scopeAnnotationClass, BeanManager beanManager)
{
try
{
if (beanManager.getContext(scopeAnnotationClass) == null
|| !beanManager.getContext(scopeAnnotationClass).isActive())
{
return false;
}
}
catch (ContextNotActiveException e)
{
return false;
}
return true;
}
}
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