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package com.sun.appserv.management.client.prefs;
import java.util.Arrays;
import com.sun.appserv.management.client.prefs.LoginInfo;
import com.sun.appserv.management.client.prefs.LoginInfoStoreFactory;
/** A factory class to create instances of LoginInfoStore.
* @since Appserver 9.0
*/
public class LoginInfoStoreFactory {
/** Private constructor.
*/
private LoginInfoStoreFactory() {
}
/** Returns the store that is represented by given class name. The parameter must
* implement the {@link LoginInfoStore} interface. If a null is passed, an instance of the default
* store {@link MemoryHashLoginInfoStore} is returned.
* @param storeImplClassName fully qualified name of the class implementing LoginInfoStore. May be null.
* @return the instance of LoginInfoStore of your choice
* @throws IllegalArgumentException if the parameter does not implement LoginInfoStore
* @throws StoreException if the construction of default store results in problems
* @throws ClassNotFoundException if the given class could not be loaded
*/
public static LoginInfoStore getStore(final String storeImplClassName)
throws StoreException, ClassNotFoundException, IllegalAccessException, InstantiationException {
LoginInfoStore store = null;
if (storeImplClassName == null)
store = getDefaultStore();
else
store = getCustomStore(storeImplClassName);
return ( store );
}
public static LoginInfoStore getDefaultStore() throws StoreException {
return ( new MemoryHashLoginInfoStore() );
}
private static LoginInfoStore getCustomStore(final String icn)
throws ClassNotFoundException, IllegalAccessException, InstantiationException{
final Class ic = Class.forName(icn);
final String in = LoginInfoStore.class.getName();
if (ic == null || !isStore(ic))
throw new IllegalArgumentException("Class: " + ic.getName() + " does not implement: " + in);
final LoginInfoStore store = (LoginInfoStore) ic.newInstance();
return ( store );
}
private static boolean isStore(final Class c) {
final Class[] ifs = c.getInterfaces();
final Class sc = LoginInfoStore.class;
return ( Arrays.asList(ifs).contains(sc) );
}
}