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From tandrasc...@apache.org
Subject deltaspike git commit: DELTASPIKE-805 Provide utils method to check if an context is active or not
Date Fri, 13 Feb 2015 14:36:45 GMT
Repository: deltaspike
Updated Branches:
  refs/heads/master e58890b55 -> fac39b53b


DELTASPIKE-805 Provide utils method to check if an context is active or not


Project: http://git-wip-us.apache.org/repos/asf/deltaspike/repo
Commit: http://git-wip-us.apache.org/repos/asf/deltaspike/commit/fac39b53
Tree: http://git-wip-us.apache.org/repos/asf/deltaspike/tree/fac39b53
Diff: http://git-wip-us.apache.org/repos/asf/deltaspike/diff/fac39b53

Branch: refs/heads/master
Commit: fac39b53b735fc50425f6adba48b358f7e022c6b
Parents: e58890b
Author: tandraschko <tandraschko@apache.org>
Authored: Fri Feb 13 15:36:16 2015 +0100
Committer: tandraschko <tandraschko@apache.org>
Committed: Fri Feb 13 15:36:16 2015 +0100

----------------------------------------------------------------------
 .../deltaspike/core/util/ContextUtils.java      | 73 ++++++++++++++++++++
 1 file changed, 73 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/deltaspike/blob/fac39b53/deltaspike/core/api/src/main/java/org/apache/deltaspike/core/util/ContextUtils.java
----------------------------------------------------------------------
diff --git a/deltaspike/core/api/src/main/java/org/apache/deltaspike/core/util/ContextUtils.java
b/deltaspike/core/api/src/main/java/org/apache/deltaspike/core/util/ContextUtils.java
new file mode 100644
index 0000000..222db51
--- /dev/null
+++ b/deltaspike/core/api/src/main/java/org/apache/deltaspike/core/util/ContextUtils.java
@@ -0,0 +1,73 @@
+/*
+ * 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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