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Java Source Code / Java Documentation » Chart » jcckit » jcckit.util 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   jcckit.util.Factory

Factory
public class Factory (Code)
General purpose factory method based on ConfigParameters and Java's Reflection API.
author:
   Franz-Josef Elmer


Field Summary
final public static  StringCLASS_NAME_KEY
     The constant defining the key className.


Method Summary
public static  Objectcreate(String className)
     Creates an instance of the specified class.
Parameters:
  className - Fully-qualified name of a class with a default constructor.
public static  Objectcreate(ConfigParameters configParameters)
     Creates an object based on the specified configuration parameters.
public static  Objectcreate(ConfigParameters configParameters, String defaultClassName)
     Creates an object based on the specified configuration parameters and default class name.
public static  ObjectcreateOrGet(ConfigParameters configParameters, Object defaultObject)
     Creates an object based on the specified configuration parameters or returns the default object.

Field Detail
CLASS_NAME_KEY
final public static String CLASS_NAME_KEY(Code)
The constant defining the key className.





Method Detail
create
public static Object create(String className)(Code)
Creates an instance of the specified class.
Parameters:
  className - Fully-qualified name of a class with a default constructor. a new instance.
throws:
  IllegalArgumentException - if the instance could be created.



create
public static Object create(ConfigParameters configParameters)(Code)
Creates an object based on the specified configuration parameters. The class of the object is determined by the parameter with the key Factory.CLASS_NAME_KEY . The constructor with a single argument of the type ConfigParameter is invoked with the argument configParameters. If such a constructor does not exists the default constructor is invoked. If neither of these constructors exist a FactoryException is thrown.
Parameters:
  configParameters - Configuration parameters. the newly created object.
throws:
  IllegalArgumentException - if key className is missing.
throws:
  FactoryException - wrapping any kind of exception or error occured.



create
public static Object create(ConfigParameters configParameters, String defaultClassName)(Code)
Creates an object based on the specified configuration parameters and default class name. If the parameter with the key Factory.CLASS_NAME_KEY is missed in configParameters defaultClassName is used. Otherwise it works as Factory.create(jcckit.util.ConfigParameters) .
Parameters:
  configParameters - Configuration parameters.
Parameters:
  defaultClassName - Default class name. the newly created object.
throws:
  FactoryException - wrapping any kind of exception or error occured.



createOrGet
public static Object createOrGet(ConfigParameters configParameters, Object defaultObject)(Code)
Creates an object based on the specified configuration parameters or returns the default object. This method behaves as Factory.create(jcckit.util.ConfigParameters) , except that is does not throw an IllegalArgumentException if key className is missing. Instead defaultObject is returned.



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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