java.lang.Object
- org.apache.bcel.generic.Type

Direct Known Subclasses:

BasicType, DOUBLE_Upper, LONG_Upper, ReferenceType, ReturnaddressType
```
public abstract class Type
extends java.lang.Object
```
Abstract super class for all possible Java types, namely basic types such as int, object types like String and array types, for example int[]

Field Summary

Fields
Modifier and Type	Field	Description
`static BasicType`	`BOOLEAN`	Predefined constant for boolean type.
`static BasicType`	`BYTE`	Predefined constant for byte type.
`static BasicType`	`CHAR`	Predefined constant for char type.
`static ObjectType`	`CLASS`	Predefined constant for Class type.
`static BasicType`	`DOUBLE`	Predefined constant for double type.
`static BasicType`	`FLOAT`	Predefined constant for float type.
`static BasicType`	`INT`	Predefined constant for int type.
`static BasicType`	`LONG`	Predefined constant for long type.
`static Type[]`	`NO_ARGS`	Empty array.
`static ReferenceType`	`NULL`	Predefined constant for null type.
`static ObjectType`	`OBJECT`	Predefined constant for Object type.
`static BasicType`	`SHORT`	Predefined constant for short type.
`protected java.lang.String`	`signature`	Deprecated. (since 6.0) will be made private; do not access directly, use getter/setter
`static ObjectType`	`STRING`	Predefined constant for String type.
`static ObjectType`	`STRINGBUFFER`	Predefined constant for StringBuffer type.
`static ObjectType`	`THROWABLE`	Predefined constant for Throwable type.
`protected byte`	`type`	Deprecated. (since 6.0) will be made private; do not access directly, use getter/setter
`static Type`	`UNKNOWN`	Predefined constant for unknown type.
`static BasicType`	`VOID`	Predefined constants

Constructor Summary

Constructors
Modifier Constructor Description

protected Type(byte type, java.lang.String signature)
Constructs a Type.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`equals(java.lang.Object o)`
`static Type[]`	`getArgumentTypes(java.lang.String signature)`	Convert arguments of a method (signature) to an array of Type objects.
`java.lang.String`	`getClassName()`	Gets the class name.
`static java.lang.String`	`getMethodSignature(Type returnType, Type[] argTypes)`	Convert type to Java method signature, for example int[] f(java.lang.String x) becomes (Ljava/lang/String;)[I
`static Type`	`getReturnType(java.lang.String signature)`	Convert return value of a method (signature) to a Type object.
`java.lang.String`	`getSignature()`	Gets the signature for this type.
`static java.lang.String`	`getSignature(java.lang.reflect.Method meth)`	Gets the signature for a method.
`int`	`getSize()`	Gets the stack size of this type.
`byte`	`getType()`	Gets the type as defined in Constants.
`static Type`	`getType(java.lang.Class<?> cls)`	Convert runtime `Class` to BCEL Type object.
`static Type`	`getType(java.lang.String signature)`	Convert signature to a Type object.
`static Type[]`	`getTypes(java.lang.Class<?>[] classes)`	Convert runtime `java.lang.Class[]` to BCEL Type objects.
`int`	`hashCode()`	Gets the hash code of this Type.
`Type`	`normalizeForStackOrLocal()`	boolean, short and char variable are considered as int in the stack or local variable area.
`java.lang.String`	`toString()`

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Field Detail
  - VOID
```
public static final BasicType VOID
```
    Predefined constants
  - BOOLEAN
```
public static final BasicType BOOLEAN
```
    Predefined constant for boolean type.
  - INT
```
public static final BasicType INT
```
    Predefined constant for int type.
  - SHORT
```
public static final BasicType SHORT
```
    Predefined constant for short type.
  - BYTE
```
public static final BasicType BYTE
```
    Predefined constant for byte type.
  - LONG
```
public static final BasicType LONG
```
    Predefined constant for long type.
  - DOUBLE
```
public static final BasicType DOUBLE
```
    Predefined constant for double type.
  - FLOAT
```
public static final BasicType FLOAT
```
    Predefined constant for float type.
  - CHAR
```
public static final BasicType CHAR
```
    Predefined constant for char type.
  - OBJECT
```
public static final ObjectType OBJECT
```
    Predefined constant for Object type.
  - CLASS
```
public static final ObjectType CLASS
```
    Predefined constant for Class type.
  - STRING
```
public static final ObjectType STRING
```
    Predefined constant for String type.
  - STRINGBUFFER
```
public static final ObjectType STRINGBUFFER
```
    Predefined constant for StringBuffer type.
  - THROWABLE
```
public static final ObjectType THROWABLE
```
    Predefined constant for Throwable type.
  - NO_ARGS
```
public static final Type[] NO_ARGS
```
    Empty array.
  - NULL
```
public static final ReferenceType NULL
```
    Predefined constant for null type.
  - UNKNOWN
```
public static final Type UNKNOWN
```
    Predefined constant for unknown type.
  - type
```
@Deprecated
protected byte type
```
    Deprecated.
    (since 6.0) will be made private; do not access directly, use getter/setter
  - signature
```
@Deprecated
protected java.lang.String signature
```
    Deprecated.
    (since 6.0) will be made private; do not access directly, use getter/setter
- Constructor Detail
  - Type
```
protected Type(byte type,
               java.lang.String signature)
```
    Constructs a Type.
    
    Parameters:
    
    type - The type constant.
    
    signature - The type signature.
- Method Detail
  - getArgumentTypes
```
public static Type[] getArgumentTypes(java.lang.String signature)
```
    Convert arguments of a method (signature) to an array of Type objects.
    
    Parameters:
    
    signature - signature string such as (Ljava/lang/String;)V.
    
    Returns:
    
    array of argument types.
  - getMethodSignature
```
public static java.lang.String getMethodSignature(Type returnType,
                                                  Type[] argTypes)
```
    Convert type to Java method signature, for example int[] f(java.lang.String x) becomes (Ljava/lang/String;)[I
    
    Parameters:
    
    returnType - what the method returns.
    
    argTypes - what are the argument types.
    
    Returns:
    
    method signature for given type(s).
  - getReturnType
```
public static Type getReturnType(java.lang.String signature)
```
    Convert return value of a method (signature) to a Type object.
    
    Parameters:
    
    signature - signature string such as (Ljava/lang/String;)V.
    
    Returns:
    
    return type.
  - getSignature
```
public static java.lang.String getSignature(java.lang.reflect.Method meth)
```
    Gets the signature for a method.
    
    Parameters:
    
    meth - The method.
    
    Returns:
    
    The method signature.
  - getType
```
public static Type getType(java.lang.Class<?> cls)
```
    Convert runtime Class to BCEL Type object.
    
    Parameters:
    
    cls - Java class.
    
    Returns:
    
    corresponding Type object.
  - getType
```
public static Type getType(java.lang.String signature)
                    throws java.lang.StringIndexOutOfBoundsException
```
    Convert signature to a Type object.
    
    Parameters:
    
    signature - signature string such as Ljava/lang/String;.
    
    Returns:
    
    type object.
    
    Throws:
    
    java.lang.StringIndexOutOfBoundsException
  - getTypes
```
public static Type[] getTypes(java.lang.Class<?>[] classes)
```
    Convert runtime java.lang.Class[] to BCEL Type objects.
    
    Parameters:
    
    classes - An array of runtime class objects.
    
    Returns:
    
    array of corresponding Type objects.
  - equals
```
public boolean equals(java.lang.Object o)
```
    Overrides:
    
    equals in class java.lang.Object
    
    Returns:
    
    whether the Types are equal.
  - getClassName
```
public java.lang.String getClassName()
```
    Gets the class name.
    
    Returns:
    
    The class name.
  - getSignature
```
public java.lang.String getSignature()
```
    Gets the signature for this type.
    
    Returns:
    
    signature for given type.
  - getSize
```
public int getSize()
```
    Gets the stack size of this type.
    
    Returns:
    
    stack size of this type (2 for long and double, 0 for void, 1 otherwise).
  - getType
```
public byte getType()
```
    Gets the type as defined in Constants.
    
    Returns:
    
    type as defined in Constants.
  - hashCode
```
public int hashCode()
```
    Gets the hash code of this Type.
    
    Overrides:
    
    hashCode in class java.lang.Object
    
    Returns:
    
    hash code of Type.
  - normalizeForStackOrLocal
```
public Type normalizeForStackOrLocal()
```
    boolean, short and char variable are considered as int in the stack or local variable area. Returns INT for BOOLEAN, SHORT or CHAR, otherwise returns the given type.
    
    Returns:
    
    The normalized type.
    
    Since:
    
    6.0
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object
    
    Returns:
    
    Type string, for example 'int[]'.

Class Type

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

VOID

BOOLEAN

INT

SHORT

BYTE

LONG

DOUBLE

FLOAT

CHAR

OBJECT

CLASS

STRING

STRINGBUFFER

THROWABLE

NO_ARGS

NULL

UNKNOWN

type

signature

Constructor Detail

Type

Method Detail

getArgumentTypes

getMethodSignature

getReturnType

getSignature

getType

getType

getTypes

equals

getClassName

getSignature

getSize

getType

hashCode

normalizeForStackOrLocal

toString