|
java.lang.Object
 java.lang.Throwable
java.lang.Exception
java.lang.IllegalAccessException
- All Implemented Interfaces:
- Serializable
- See Also:
- Top Examples, Source Code,
Class.newInstance(),
Field.set(Object, Object),
Field.setBoolean(Object, boolean),
Field.setByte(Object, byte),
Field.setShort(Object, short),
Field.setChar(Object, char),
Field.setInt(Object, int),
Field.setLong(Object, long),
Field.setFloat(Object, float),
Field.setDouble(Object, double),
Field.get(Object),
Field.getBoolean(Object),
Field.getByte(Object),
Field.getShort(Object),
Field.getChar(Object),
Field.getInt(Object),
Field.getLong(Object),
Field.getFloat(Object),
Field.getDouble(Object),
Method.invoke(Object, Object[]),
Constructor.newInstance(Object[])
public IllegalAccessException() - Geek's Notes:
- Description Add your codes or notes Search More Java Examples
[1508]A more flexible way of implementing GOF factory pattern
By Anonymous on 2005/08/04 09:55:56 Rate
//A more flexible way of implementing GOF factory pattern
public class myFactory {
public static Object getObject ( String classname, Class requiredType )
throws FactoryException {
try {
Class clazz = Class.forName ( classname ) ;
Object o = clazz.newInstance ( ) ;
if ( !requiredType.isAssignableFrom ( clazz ) )
throw new FactoryException ( "Class '" + classname
+ "' not of required type " + requiredType ) ;
// Configure the object...
return o;
} catch ( ClassNotFoundException ex ) {
throw new FactoryException ( "Couldn't load class '" + classname
+ "'", ex ) ;
} catch ( IllegalAccessException ex ) {
throw new FactoryException ( "Couldn't construct class '" + classname
+ "': is the no arg constructor public?", ex ) ;
} catch ( InstantiationException ex ) {
throw new FactoryException ( "Couldn't construct class '" + classname
+ "': does it have a no arg constructor", ex ) ;
}
}
}
public IllegalAccessException(String s) - Geek's Notes:
- Description Add your codes or notes Search More Java Examples
|
Popular Tags |
Java API By Example, From Geeks To Geeks.