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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.net.URI;
import java.util.Properties;
import org.oasisopen.sca.NoSuchDomainException;
import org.oasisopen.sca.NoSuchServiceException;
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 {
private URI domainURI;
private SCAClientFactory() {
}
/**
* Constructor used by concrete subclasses
* @param domainURI - The Domain URI of the Domain accessed via this SCAClientFactory
*/
protected SCAClientFactory(URI domainURI) {
this.domainURI = domainURI;
}
/**
* Gets the Domain URI of the Domain accessed via this SCAClientFactory
* @return - the URI for the Domain
*/
protected URI getDomainURI() {
return domainURI;
}
/**
* 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 SCAClientFactory newInstance(URI domainURI) throws NoSuchDomainException {
return newInstance(null, null, domainURI);
}
/**
* 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 SCAClientFactory newInstance(Properties properties, URI domainURI) {
return newInstance(properties, null, domainURI);
}
/**
* 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 SCAClientFactory newInstance(ClassLoader classLoader, URI domainURI) {
return newInstance(null, classLoader, domainURI);
}
/**
* 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 SCAClientFactory newInstance(Properties properties, ClassLoader classLoader, URI domainURI) {
final SCAClientFactory factory;
if (defaultFactory == null) {
factory = SCAClientFactoryFinder.find(properties, classLoader, domainURI);
} else {
factory = defaultFactory;
}
return factory;
}
/**
* Returns a reference proxy that implements the business interface <T>
* of a service in the SCA Domain handled by this SCAClientFactory
*
* @param serviceURI the relative URI of the target service. Takes the
* form componentName/serviceName.
* Can also take the extended form componentName/serviceName/bindingName
* to use a specific binding of the target service
*
* @param interfaze The business interface class of the service in the
* domain
* @param <T> The business interface class of the service in the domain
*
* @return a proxy to the target service, in the specified SCA Domain
* that implements the business interface <B>.
* @throws NoSuchServiceException Service requested was not found
* @throws NoSuchDomainException Domain requested was not found
*/
public abstract <T> T getService(Class<T> interfaze, String serviceURI) throws NoSuchServiceException, NoSuchDomainException;
}
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