mq5.0-source.main.mq-client.src.main.java.com.sun.messaging.naming.ReferenceGenerator Maven / Gradle / Ivy
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/*
* @(#)ReferenceGenerator.java 1.7 07/02/07
*/
package com.sun.messaging.naming;
import com.sun.messaging.AdministeredObject;
import java.util.Properties;
import java.util.Enumeration;
import java.util.NoSuchElementException;
import javax.naming.StringRefAddr;
import javax.naming.Reference;
/**
* A ReferenceGenerator generates a Reference object given an Administered object and
* the Object Factory Class Name.
*/
public class ReferenceGenerator {
/** The index in the Reference object of the Version Number */
public final static int REF_INDEX_VERSION = 0;
/** The index in the Reference object of the read only state */
public final static int REF_INDEX_RO_STATE = 1;
/** The index in the Reference object of the configuration properties */
public final static int REF_INDEX_PROPERTIES = 2;
/**
* Returns the reference to this object.
*
* @param ao The AdministeredObject for which the Reference object is to be generated.
* @param objectfactoryclassname The classname of the ObjectFactory class for ao.
*
* @return The Reference object that can be used to reconstruct this object
*/
public static Reference getReference(AdministeredObject ao, String objectfactoryclassname) {
//Create a Reference without any addresses
Reference ref = new Reference(ao.getClass().getName(),
objectfactoryclassname, null);
//Set the version number
ref.add(REF_INDEX_VERSION, new StringRefAddr
(AdministeredObjectFactory.REF_VERSION, ao.getVERSION()));
//Set the readOnly state
ref.add(REF_INDEX_RO_STATE, new StringRefAddr
(AdministeredObjectFactory.REF_READONLY, String.valueOf(ao.isReadOnly())));
//Set the configuration
String sb;
Properties aoprops = ao.getConfiguration();
Enumeration ep = aoprops.propertyNames();
for (int i = REF_INDEX_PROPERTIES; ep.hasMoreElements(); i++) {
try {
sb = (String)ep.nextElement();
ref.add(i, new StringRefAddr(sb, (String)aoprops.get(sb)));
} catch (NoSuchElementException e) {
break;
}
}
return ref;
}
}