FrameworkPropertyAccessor.java revision 660a40ad15749d74efa0dd4ef12cb8781c570e22
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2012 ForgeRock AS. All Rights Reserved
*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the License). You may not use this file except in
* compliance with the License.
*
* You can obtain a copy of the License at
* See the License for the specific language governing
* permission and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* Header Notice in each file and include the License file
* If applicable, add the following below the CDDL Header,
* with the fields enclosed by brackets [] replaced by
* your own identifying information:
* "Portions Copyrighted [year] [name of copyright owner]"
*/
/**
* A FrameworkPropertyAccessor wraps the {@link BundleContext} and accesses all
* Framework properties.
*
* @author Laszlo Hordos
*/
public class FrameworkPropertyAccessor implements PropertyAccessor {
private final PropertyAccessor delegate;
private final BundleContext context;
}
/**
* Returns the value of the specified property. If the key is not found in
* the Framework properties, the system properties are then searched and
* {@code delegate} is then requested. The method returns {@code null} if
* the property is not found.
*
* @param key
* The name of the requested property.
* @param defaultValue
* The value to return if the property is not found.
* @param expected
* The type of the expected value.
* @return The value of the requested property, or {@code null} if the
* property is undefined.
* @throws SecurityException
* If the caller does not have the appropriate
* {@code PropertyPermission} to read the property, and the Java
* Runtime Environment supports permissions.
*/
&& ((null != expected && expected.isAssignableFrom(String.class)) || defaultValue instanceof String)) {
}
}
}
}