/*
* Copyright 2005-2006 the original author or authors.
*
* Licensed 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.strecks.injection.factory;
import org.strecks.util.ReflectHelper;
/**
* Utility methods used by the <code>InjectionHandlerFactory</code> implementations
* @author Phil Zoio
*/
public abstract class AnnotationFactoryUtils
{
/**
* Returns the name of the annotated property if not already supplied
*/
protected static String getAttributeName(String propertyName, String attributeName)
{
if (attributeName == null || attributeName.length() == 0)
{
attributeName = propertyName;
}
return attributeName;
}
/**
* Uses the <code>Class.newInstance()</code> to instantiate the supplied class. Used for injection annotations
* which allow for instances of injected object to be automatically created if the current instance in the supplied
* context is null
*/
public static Object maybeAutoCreate(Class autoCreateClass)
{
Object attribute = null;
if (autoCreateClass != null)
{
attribute = ReflectHelper.createInstance(autoCreateClass, Object.class);
}
return attribute;
}
}
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