org.postgresql.util
Class ObjectFactory

java.lang.Object
  org.postgresql.util.ObjectFactory

Direct Known Subclasses:

MakeSSL

public class ObjectFactory
extends Object

Helper class to instantiate objects. Note: the class is NOT public API, so it is subject to change.

Constructor Summary

ObjectFactory()

Method Summary

static Object

instantiate(String classname, Properties info, boolean tryString, String stringarg) Instantiates a class using the appropriate constructor.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ObjectFactory

public ObjectFactory()

Method Detail

instantiate

public static Object instantiate(String classname,
                                 Properties info,
                                 boolean tryString,
                                 String stringarg)
                          throws ClassNotFoundException,
                                 SecurityException,
                                 NoSuchMethodException,
                                 IllegalArgumentException,
                                 InstantiationException,
                                 IllegalAccessException,
                                 InvocationTargetException

Instantiates a class using the appropriate constructor. If a constructor with a single Propertiesparameter exists, it is used. Otherwise, if tryString is true a constructor with a single String argument is searched if it fails, or tryString is true a no argument constructor is tried.

Parameters:

classname - Nam of the class to instantiate

info - parameter to pass as Properties

tryString - weather to look for a single String argument constructor

stringarg - parameter to pass as String

Returns:

the instantiated class

Throws:

ClassNotFoundException - if something goes wrong

SecurityException - if something goes wrong

NoSuchMethodException - if something goes wrong

IllegalArgumentException - if something goes wrong

InstantiationException - if something goes wrong

IllegalAccessException - if something goes wrong

InvocationTargetException - if something goes wrong