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/*
* Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
* OASIS trademark, IPR and other policies apply.
*/
package org.oasisopen.sca.client;
import java.util.Properties;
import org.oasisopen.sca.client.impl.SCAClientFactoryFinder;
/**
* The SCAClientFactory can be used by non-SCA managed code to lookup services
* that exist in a SCADomain.
*
* @see SCAClientFactoryFinder
* @see SCAClient
* @author OASIS Open
*/
public abstract class SCAClientFactory {
/**
* The default implementation of the SCAClientFactory. A Vendor may use
* reflection to inject a default SCAClientFactory instance that will be
* used in the newInstance() methods rather than using the
* SCAClientFactoryFinder.
*/
protected static SCAClientFactory defaultFactory;
/**
* Creates a new instance of the SCAClient that can be used to lookup SCA
* Services.
*
* @return A new SCAClient
*/
public static SCAClient newInstance() {
return newInstance(null, null);
}
/**
* Creates a new instance of the SCAClient that can be used to lookup SCA
* Services.
*
* @param properties Properties that may be used when creating a new
* instance of the SCAClient
* @return A new SCAClient instance
*/
public static SCAClient newInstance(Properties properties) {
return newInstance(properties, null);
}
/**
* Creates a new instance of the SCAClient that can be used to lookup SCA
* Services.
*
* @param classLoader ClassLoader that may be used when creating a new
* instance of the SCAClient
* @return A new SCAClient instance
*/
public static SCAClient newInstance(ClassLoader classLoader) {
return newInstance(null, classLoader);
}
/**
* Creates a new instance of the SCAClient that can be used to lookup SCA
* Services.
*
* @param properties Properties that may be used when creating a new
* instance of the SCAClient
* @param classLoader ClassLoader that may be used when creating a new
* instance of the SCAClient
* @return A new SCAClient instance
*/
public static SCAClient newInstance(Properties properties, ClassLoader classLoader) {
final SCAClientFactory factory;
if (defaultFactory == null) {
factory = SCAClientFactoryFinder.find(properties, classLoader);
} else {
factory = defaultFactory;
}
return factory.createSCAClient();
}
/**
* This method is invoked to create a new SCAClient instance.
*
* @return A new SCAClient instance
*/
protected abstract SCAClient createSCAClient();
}
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