net.lenni0451.classtransform.utils

Class Types

java.lang.Object

net.lenni0451.classtransform.utils.Types

@ParametersAreNonnullByDefault
public class Types
extends java.lang.Object

A wrapper for the Type class.
This contains some constants and convenience methods.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	IN_Boolean
static java.lang.String	IN_Byte
static java.lang.String	IN_Character
static java.lang.String	IN_Double
static java.lang.String	IN_Float
static java.lang.String	IN_Integer
static java.lang.String	IN_Long
static java.lang.String	IN_Object
static java.lang.String	IN_Short
static java.lang.String	IN_String
static java.lang.String	IN_Void
static java.lang.String	MD_Void
static java.lang.String	MN_Clinit
static java.lang.String	MN_Init
static org.objectweb.asm.Type	T_Object

Constructor Summary

Constructors

Constructor and Description
Types()

Method Summary

Modifier and Type	Method and Description
static org.objectweb.asm.Type[]	argumentTypes(java.lang.Object ob) Get argument types from an object.
static java.lang.String	internalName(java.lang.Object ob) Get the internal name of an object.
static boolean	isPrimitive(org.objectweb.asm.Type type) Check if a type is a primitive type.
static java.lang.String	methodDescriptor(java.lang.Object returnType, java.lang.Object... arguments) Get the method descriptor of a return type and argument types.
static org.objectweb.asm.Type	returnType(java.lang.Object ob) Get a return type from an object.
static org.objectweb.asm.Type	type(java.lang.Object ob) Get a type from an object.
static java.lang.String	typeDescriptor(java.lang.Object ob) Get the descriptor of an object.

Methods inherited from class java.lang.Object

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

Field Detail

T_Object

public static final org.objectweb.asm.Type T_Object

IN_Object

public static final java.lang.String IN_Object

IN_String

public static final java.lang.String IN_String

IN_Void

public static final java.lang.String IN_Void

IN_Boolean

public static final java.lang.String IN_Boolean

IN_Byte

public static final java.lang.String IN_Byte

IN_Short

public static final java.lang.String IN_Short

IN_Character

public static final java.lang.String IN_Character

IN_Integer

public static final java.lang.String IN_Integer

IN_Long

public static final java.lang.String IN_Long

IN_Float

public static final java.lang.String IN_Float

IN_Double

public static final java.lang.String IN_Double

MD_Void

public static final java.lang.String MD_Void

MN_Init

public static final java.lang.String MN_Init

See Also:

Constant Field Values

MN_Clinit

public static final java.lang.String MN_Clinit

See Also:

Constant Field Values

Constructor Detail

Types

public Types()

Method Detail

isPrimitive

public static boolean isPrimitive(org.objectweb.asm.Type type)

Check if a type is a primitive type.
Primitive Types:
- void (Type.VOID_TYPE)
- boolean (Type.BOOLEAN_TYPE)
- byte (Type.BYTE_TYPE)
- short (Type.SHORT_TYPE)
- char (Type.CHAR_TYPE)
- int (Type.INT_TYPE)
- long (Type.LONG_TYPE)
- float (Type.FLOAT_TYPE)
- double (Type.DOUBLE_TYPE)

Parameters:

type - The type to check

Returns:

True if the type is a primitive type

type

public static org.objectweb.asm.Type type(java.lang.Object ob)

Get a type from an object.
Supported types:
- String (Type.getType(String)/Type.getObjectType(String))
- Class (Type.getType(Class))
- Method (Type.getType(Method))
- Constructor (Type.getType(Constructor))
- Type (return type)

Parameters:

ob - The object to get the type from

Returns:

The type

Throws:

java.lang.IllegalArgumentException - If the object is not supported

returnType

public static org.objectweb.asm.Type returnType(java.lang.Object ob)

Get a return type from an object.
Supported types:
- String (Type.getReturnType(String))
- Method (Type.getReturnType(Method))
- MethodNode (Type.getReturnType(String))
- MethodInsnNode (Type.getReturnType(String))
- Type (return type)

Parameters:

ob - The object to get the return type from

Returns:

The return type

Throws:

java.lang.IllegalArgumentException - If the object is not supported

argumentTypes

public static org.objectweb.asm.Type[] argumentTypes(java.lang.Object ob)

Get argument types from an object.
Supported types:
- String (Type.getArgumentTypes(String))
- Method (Type.getArgumentTypes(Method)) - MethodNode (Type.getArgumentTypes(String))
- MethodInsnNode (Type.getArgumentTypes(String))

Parameters:

ob - The object to get the argument types from

Returns:

The argument types

Throws:

java.lang.IllegalArgumentException - If the object is not supported

internalName

public static java.lang.String internalName(java.lang.Object ob)

Get the internal name of an object.
See type(Object) for supported types.

Parameters:

ob - The object to get the internal name from

Returns:

The internal name

Throws:

java.lang.IllegalArgumentException - If the object is not supported

typeDescriptor

public static java.lang.String typeDescriptor(java.lang.Object ob)

Get the descriptor of an object.
See type(Object) for supported types.

Parameters:

ob - The object to get the descriptor from

Returns:

The descriptor

Throws:

java.lang.IllegalArgumentException - If the object is not supported

methodDescriptor

public static java.lang.String methodDescriptor(java.lang.Object returnType,
                                                java.lang.Object... arguments)

Get the method descriptor of a return type and argument types.
See type(Object) for supported types.
If the returnType is a Method or Constructor no arguments are required.

Parameters:

returnType - The return type

arguments - The argument types

Returns:

The method descriptor

Throws:

java.lang.IllegalArgumentException - If an object is not supported or arguments a passed for a Method or Constructor