com.quadrique.jbuildingblocks.core.classLoader
Class JbbClass

java.lang.Object
  com.quadrique.jbuildingblocks.core.classLoader.JbbClass

public class JbbClass
extends Object

This class is used to manipulate a java class

Version:

1.0.0

Author:

Hervé Rivere

Constructor Summary

JbbClass()

Method Summary

Field[]	getClassFields(String fullyQualifiedClassName)
String	getClassName(Class<?> zClass)
String	getClassPackageName(Class<?> zClass)
String	getClassPackageName(String zClassName)
Field	getField(Object o, String fieldName)
Field[]	getFields(Object o) list all the fields of an instance
Object	getInstanceFromClassName(String zClassName)
Field[]	getPublicFields(Object o) list all the fields of an instance
void	introspectClass(String fullyQualifiedClassName)
static JbbClass	newInstance()
void	setField(Object instance, String fieldName, boolean fieldValue)
void	setField(Object instance, String fieldName, Byte fieldValue)
void	setField(Object instance, String fieldName, double fieldValue)
void	setField(Object instance, String fieldName, float fieldValue)
void	setField(Object instance, String fieldName, int fieldValue)
void	setField(Object instance, String fieldName, long fieldValue)
void	setField(Object instance, String fieldName, Object fieldValue)
void	setField(Object instance, String fieldName, short fieldValue)
void	setFieldWhenTypeUnknown(Object instance, String fieldName, String fieldValueAsString)
void	setPublicField(Object instance, String fieldName, Object fieldValue)

Methods inherited from class java.lang.Object

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

Constructor Detail

JbbClass

public JbbClass()

Method Detail

newInstance

public static JbbClass newInstance()

Returns:

a new instance

getInstanceFromClassName

public Object getInstanceFromClassName(String zClassName)
                                throws Exception

Parameters:

zClassName - the fully qualified class name (e.g. "com.quadrique.jbuildingblocks.classLoader.ClassHandler"). Please note that the corresponding class file has to be in the class path of the application

Returns:

an instance of the given class name

Throws:

Exception - if a problem occurs

getClassName

public String getClassName(Class<?> zClass)
                    throws Exception

Parameters:

zClass - a Class instance

Returns:

the name (e.g. "com.quadrique.jbuildingblocks.classLoader.ClassHandler") of the class for a given Class instance

Throws:

Exception

getClassPackageName

public String getClassPackageName(Class<?> zClass)
                           throws Exception

Parameters:

zClass - a Class instance

Returns:

the package name (e.g. "com.quadrique.jbuildingblocks.classLoader") for a given Class instance (e.g. com.quadrique.jbuildingblocks.classLoader.ClassHandler.class)

Throws:

Exception

getClassPackageName

public String getClassPackageName(String zClassName)
                           throws Exception

Parameters:

zClassName - the name of a class as a String

Returns:

the package name (e.g. "com.quadrique.jbuildingblocks.classLoader") for a given class name (e.g. com.quadrique.jbuildingblocks.classLoader.ClassHandler)

Throws:

Exception

setPublicField

public void setPublicField(Object instance,
                           String fieldName,
                           Object fieldValue)
                    throws Exception

Parameters:

instance -

fieldName -

fieldValue -

Throws:

Exception

setField

public void setField(Object instance,
                     String fieldName,
                     Object fieldValue)
              throws Exception

Parameters:

instance -

fieldName -

fieldValue -

Throws:

Exception

setField

public void setField(Object instance,
                     String fieldName,
                     int fieldValue)
              throws Exception

Parameters:

instance -

fieldName -

fieldValue -

Throws:

Exception

setField

public void setField(Object instance,
                     String fieldName,
                     boolean fieldValue)
              throws Exception

Parameters:

instance -

fieldName -

fieldValue -

Throws:

Exception

setField

public void setField(Object instance,
                     String fieldName,
                     Byte fieldValue)
              throws Exception

Parameters:

instance -

fieldName -

fieldValue -

Throws:

Exception

setField

public void setField(Object instance,
                     String fieldName,
                     short fieldValue)
              throws Exception

Parameters:

instance -

fieldName -

fieldValue -

Throws:

Exception

setField

public void setField(Object instance,
                     String fieldName,
                     long fieldValue)
              throws Exception

Parameters:

instance -

fieldName -

fieldValue -

Throws:

Exception

setField

public void setField(Object instance,
                     String fieldName,
                     float fieldValue)
              throws Exception

Parameters:

instance -

fieldName -

fieldValue -

Throws:

Exception

setField

public void setField(Object instance,
                     String fieldName,
                     double fieldValue)
              throws Exception

Parameters:

instance -

fieldName -

fieldValue -

Throws:

Exception

getFields

public Field[] getFields(Object o)
                  throws Exception

list all the fields of an instance

Parameters:

o -

Returns:

the list of all the fields of an instance

Throws:

Exception

getPublicFields

public Field[] getPublicFields(Object o)
                        throws Exception

list all the fields of an instance

Parameters:

o -

Returns:

the list of all the fields of an instance

Throws:

Exception

getField

public Field getField(Object o,
                      String fieldName)
               throws Exception

Parameters:

o -

fieldName -

Returns:

the field corresponding to the given field name, null otherwise

Throws:

Exception

setFieldWhenTypeUnknown

public void setFieldWhenTypeUnknown(Object instance,
                                    String fieldName,
                                    String fieldValueAsString)
                             throws Exception

Parameters:

instance -

fieldName -

fieldValueAsString -

Throws:

Exception

introspectClass

public void introspectClass(String fullyQualifiedClassName)
                     throws Exception

Parameters:

fullyQualifiedClassName -

Throws:

Exception

getClassFields

public Field[] getClassFields(String fullyQualifiedClassName)
                       throws Exception

Parameters:

fullyQualifiedClassName -

Returns:

array of Field objects

Throws:

Exception