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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.naming;
import javax.naming.Context;
import javax.naming.Reference;
/**
* Represents a reference address to a resource environment.
*
* @author Remy Maucherat
*/
public class ResourceEnvRef extends Reference {
private static final long serialVersionUID = 1L;
// -------------------------------------------------------------- Constants
/**
* Default factory for this reference.
*/
public static final String DEFAULT_FACTORY =
org.apache.naming.factory.Constants.DEFAULT_RESOURCE_ENV_FACTORY;
// ----------------------------------------------------------- Constructors
/**
* Resource env reference.
*
* @param resourceType Type
*/
public ResourceEnvRef(String resourceType) {
super(resourceType);
}
/**
* Resource env reference.
*
* @param resourceType Type
* @param factory The factory class
* @param factoryLocation The factory location
*/
public ResourceEnvRef(String resourceType, String factory,
String factoryLocation) {
super(resourceType, factory, factoryLocation);
}
// ----------------------------------------------------- Instance Variables
// ------------------------------------------------------ Reference Methods
/**
* Retrieves the class name of the factory of the object to which this
* reference refers.
*/
@Override
public String getFactoryClassName() {
String factory = super.getFactoryClassName();
if (factory != null) {
return factory;
} else {
factory = System.getProperty(Context.OBJECT_FACTORIES);
if (factory != null) {
return null;
} else {
return DEFAULT_FACTORY;
}
}
}
// ------------------------------------------------------------- Properties
}
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