abstractfactory.java

java模式设计

public abstract class AbstractFactory {
	public static String factoryClass = "IBMFactory";
	public static String getFactoryClass() {
		return AbstractFactory.factoryClass;
	}
	public static void setFactoryClass(String factoryClass) {
		AbstractFactory.factoryClass = factoryClass;
	}
	
	public static AbstractFactory getInstance() {
		AbstractFactory af = null;
		try {
			af = (AbstractFactory)Class.forName(factoryClass).newInstance();
	    }catch (Exception ex) {
	    	ex.printStackTrace();
	    }
	    return af;
	}
	
	
	public abstract IProduct createIProduct();
	
	
}