grammarscope.tweak

Class Tweaks

java.lang.Object

grammarscope.tweak.Tweaks

public final class Tweaks
extends java.lang.Object

Utility class to perform tweaks

Author:

Bernard Bou

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
(package private) static interface	Tweaks.ProcessField Processor interface

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.StringBuilder	warnings

Constructor Summary

Constructors

Modifier	Constructor and Description
private	Tweaks()

Method Summary

Modifier and Type	Method and Description
static void	addCatchToConstructor(javassist.CtConstructor constructor, javassist.CtClass exceptionType) Add catch to constructor
static void	addMethod(javassist.CtClass clazz, java.lang.String def) Add method
static javassist.CtClass	makeClass(java.lang.String className) Make new class
static void	makeFieldsNonStatic(javassist.CtClass clazz, java.lang.String[][] filter) Make field non static
static void	nullifyFields(javassist.CtClass clazz, java.lang.String[][] filter) Initialize fields with null
private static <T extends Tweaks.ProcessField> void	processFields(javassist.CtClass clazz, java.lang.String[][] filter, T processor) Process field
static void	removeClassInitializer(javassist.CtClass clazz) Remove class initializer
static void	removeFields(javassist.CtClass clazz, java.lang.String[][] filter) Remove fields
static void	removeFieldsIfExist(javassist.CtClass clazz, java.lang.String... fieldNames) Remove fields if exist
static void	renameFields(javassist.CtClass clazz, java.lang.String suffix, java.lang.String[][] filter) Rename fields
(package private) static void	warn()

Methods inherited from class java.lang.Object

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

Field Detail

warnings

public static final java.lang.StringBuilder warnings

Constructor Detail

Tweaks

private Tweaks()

Method Detail

warn

static void warn()

makeClass

public static javassist.CtClass makeClass(java.lang.String className)

Make new class

Parameters:

className - class name

Returns:

ctclass ctclass

addMethod

public static void addMethod(javassist.CtClass clazz,
                             java.lang.String def)
                      throws javassist.CannotCompileException

Add method

Parameters:

clazz - class

def - method definition

Throws:

javassist.CannotCompileException - exception

addCatchToConstructor

public static void addCatchToConstructor(javassist.CtConstructor constructor,
                                         javassist.CtClass exceptionType)
                                  throws javassist.CannotCompileException

Add catch to constructor

Parameters:

constructor - constructor

exceptionType - exception type

Throws:

javassist.CannotCompileException - exception

removeClassInitializer

public static void removeClassInitializer(javassist.CtClass clazz)
                                   throws javassist.NotFoundException

Remove class initializer

Parameters:

clazz - class

Throws:

javassist.NotFoundException - exception

processFields

private static <T extends Tweaks.ProcessField> void processFields(javassist.CtClass clazz,
                                                                  java.lang.String[][] filter,
                                                                  T processor)
                                                           throws java.lang.Exception

Process field

Type Parameters:

T - type of processing result

Parameters:

clazz - class

filter - field filter

processor - processor

Throws:

java.lang.Exception - exception exception

removeFields

public static void removeFields(javassist.CtClass clazz,
                                java.lang.String[][] filter)
                         throws java.lang.Exception

Remove fields

Parameters:

clazz - class

filter - field filter

Throws:

java.lang.Exception - exception

removeFieldsIfExist

public static void removeFieldsIfExist(javassist.CtClass clazz,
                                       java.lang.String... fieldNames)

Remove fields if exist

Parameters:

clazz - class

fieldNames - fields

nullifyFields

public static void nullifyFields(javassist.CtClass clazz,
                                 java.lang.String[][] filter)
                          throws java.lang.Exception

Initialize fields with null

Parameters:

clazz - class

filter - field filter

Throws:

java.lang.Exception - exception

renameFields

public static void renameFields(javassist.CtClass clazz,
                                java.lang.String suffix,
                                java.lang.String[][] filter)
                         throws java.lang.Exception

Rename fields

Parameters:

clazz - class

suffix - suffix

filter - field filter

Throws:

java.lang.Exception - exception

makeFieldsNonStatic

public static void makeFieldsNonStatic(javassist.CtClass clazz,
                                       java.lang.String[][] filter)
                                throws java.lang.Exception

Make field non static

Parameters:

clazz - class

filter - field filter

Throws:

java.lang.Exception - exception