org.apache.naming.ResourceRef Maven / Gradle / Ivy
/*
* 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 java.util.Enumeration;
import javax.naming.Context;
import javax.naming.RefAddr;
import javax.naming.Reference;
import javax.naming.StringRefAddr;
/**
* Represents a reference address to a resource.
*
* @author Remy Maucherat
* @version $Revision: 467222 $ $Date: 2006-10-24 11:17:11 +0800 (Tue, 24 Oct 2006) $
*/
public class ResourceRef
extends Reference {
// -------------------------------------------------------------- Constants
/**
* Default factory for this reference.
*/
public static final String DEFAULT_FACTORY =
org.apache.naming.factory.Constants.DEFAULT_RESOURCE_FACTORY;
/**
* Description address type.
*/
public static final String DESCRIPTION = "description";
/**
* Scope address type.
*/
public static final String SCOPE = "scope";
/**
* Auth address type.
*/
public static final String AUTH = "auth";
// ----------------------------------------------------------- Constructors
/**
* Resource Reference.
*
* @param resourceClass Resource class
* @param scope Resource scope
* @param auth Resource authetication
*/
public ResourceRef(String resourceClass, String description,
String scope, String auth) {
this(resourceClass, description, scope, auth, null, null);
}
/**
* Resource Reference.
*
* @param resourceClass Resource class
* @param scope Resource scope
* @param auth Resource authetication
*/
public ResourceRef(String resourceClass, String description,
String scope, String auth, String factory,
String factoryLocation) {
super(resourceClass, factory, factoryLocation);
StringRefAddr refAddr = null;
if (description != null) {
refAddr = new StringRefAddr(DESCRIPTION, description);
add(refAddr);
}
if (scope != null) {
refAddr = new StringRefAddr(SCOPE, scope);
add(refAddr);
}
if (auth != null) {
refAddr = new StringRefAddr(AUTH, auth);
add(refAddr);
}
}
// ----------------------------------------------------- Instance Variables
// ------------------------------------------------------ Reference Methods
/**
* Retrieves the class name of the factory of the object to which this
* reference refers.
*/
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;
}
}
}
// --------------------------------------------------------- Public Methods
/**
* Return a String rendering of this object.
*/
public String toString() {
StringBuffer sb = new StringBuffer("ResourceRef[");
sb.append("className=");
sb.append(getClassName());
sb.append(",factoryClassLocation=");
sb.append(getFactoryClassLocation());
sb.append(",factoryClassName=");
sb.append(getFactoryClassName());
Enumeration refAddrs = getAll();
while (refAddrs.hasMoreElements()) {
RefAddr refAddr = (RefAddr) refAddrs.nextElement();
sb.append(",{type=");
sb.append(refAddr.getType());
sb.append(",content=");
sb.append(refAddr.getContent());
sb.append("}");
}
sb.append("]");
return (sb.toString());
}
// ------------------------------------------------------------- Properties
}