FactoryFinder.java

package org.dcache.gplazma.validation;

/**
 * Package private and not exposed through API
 * Subject to change without notice
 * @author timur
 */
class FactoryFinder {

    /**
     *  a simpleminded implementation of the factory finder
     *  a more sofisticated and secure one can be used if needed
     */
    static Object find(String factoryId, String fallbackClassName) throws
            ClassNotFoundException,
            InstantiationException,
            IllegalAccessException {
        String className = System.getProperties().getProperty(factoryId, fallbackClassName);
        return newInstance(className);
    }

    static Object newInstance(String className) throws
            ClassNotFoundException,
            InstantiationException,
            IllegalAccessException {
        return Class.forName(className).newInstance();
    }
}