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, e.g. int[]

Field Summary

Fields
Modifier and Type	Field	Description
`static BasicType`	`BOOLEAN`
`static BasicType`	`BYTE`
`static BasicType`	`CHAR`
`static ObjectType`	`CLASS`
`static BasicType`	`DOUBLE`
`static BasicType`	`FLOAT`
`static BasicType`	`INT`
`static BasicType`	`LONG`
`static Type[]`	`NO_ARGS`
`static ReferenceType`	`NULL`
`static ObjectType`	`OBJECT`
`static BasicType`	`SHORT`
`protected java.lang.String`	`signature`	Deprecated. (since 6.0) will be made private; do not access directly, use getter/setter
`static ObjectType`	`STRING`
`static ObjectType`	`STRINGBUFFER`
`static ObjectType`	`THROWABLE`
`protected byte`	`type`	Deprecated. (since 6.0) will be made private; do not access directly, use getter/setter
`static Type`	`UNKNOWN`
`static BasicType`	`VOID`	Predefined constants

Constructor Summary

Constructors
Modifier Constructor Description

protected Type(byte t, java.lang.String s)

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.
`static java.lang.String`	`getMethodSignature(Type return_type, Type[] arg_types)`	Convert type to Java method signature, e.g.
`static Type`	`getReturnType(java.lang.String signature)`	Convert return value of a method (signature) to a Type object.
`java.lang.String`	`getSignature()`
`static java.lang.String`	`getSignature(java.lang.reflect.Method meth)`
`int`	`getSize()`
`byte`	`getType()`
`static Type`	`getType(java.lang.Class<?> cl)`	Convert runtime java.lang.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()`
`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
  - 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
  - VOID
```
public static final BasicType VOID
```
    Predefined constants
  - BOOLEAN
```
public static final BasicType BOOLEAN
```
  - INT
```
public static final BasicType INT
```
  - SHORT
```
public static final BasicType SHORT
```
  - BYTE
```
public static final BasicType BYTE
```
  - LONG
```
public static final BasicType LONG
```
  - DOUBLE
```
public static final BasicType DOUBLE
```
  - FLOAT
```
public static final BasicType FLOAT
```
  - CHAR
```
public static final BasicType CHAR
```
  - OBJECT
```
public static final ObjectType OBJECT
```
  - CLASS
```
public static final ObjectType CLASS
```
  - STRING
```
public static final ObjectType STRING
```
  - STRINGBUFFER
```
public static final ObjectType STRINGBUFFER
```
  - THROWABLE
```
public static final ObjectType THROWABLE
```
  - NO_ARGS
```
public static final Type[] NO_ARGS
```
  - NULL
```
public static final ReferenceType NULL
```
  - UNKNOWN
```
public static final Type UNKNOWN
```
- Constructor Detail
  - Type
```
protected Type(byte t,
               java.lang.String s)
```
- Method Detail
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class java.lang.Object
    
    Returns:
    
    hashcode of Type
  - equals
```
public boolean equals(java.lang.Object o)
```
    Overrides:
    
    equals in class java.lang.Object
    
    Returns:
    
    whether the Types are equal
  - getSignature
```
public java.lang.String getSignature()
```
    Returns:
    
    signature for given type.
  - getType
```
public byte getType()
```
    Returns:
    
    type as defined in Constants
  - 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.
    
    Since:
    
    6.0
  - getSize
```
public int getSize()
```
    Returns:
    
    stack size of this type (2 for long and double, 0 for void, 1 otherwise)
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object
    
    Returns:
    
    Type string, e.g. `int[]'
  - getMethodSignature
```
public static java.lang.String getMethodSignature(Type return_type,
                                                  Type[] arg_types)
```
    Convert type to Java method signature, e.g. int[] f(java.lang.String x) becomes (Ljava/lang/String;)[I
    
    Parameters:
    
    return_type - what the method returns
    
    arg_types - what are the argument types
    
    Returns:
    
    method signature for given type(s).
  - 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
  - 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
  - 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
  - getType
```
public static Type getType(java.lang.Class<?> cl)
```
    Convert runtime java.lang.Class to BCEL Type object.
    
    Parameters:
    
    cl - Java class
    
    Returns:
    
    corresponding Type object
  - 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
  - getSignature
```
public static java.lang.String getSignature(java.lang.reflect.Method meth)
```

Class Type

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

type

signature

VOID

BOOLEAN

INT

SHORT

BYTE

LONG

DOUBLE

FLOAT

CHAR

OBJECT

CLASS

STRING

STRINGBUFFER

THROWABLE

NO_ARGS

NULL

UNKNOWN

Constructor Detail

Type

Method Detail

hashCode

equals

getSignature

getType

normalizeForStackOrLocal

getSize

toString

getMethodSignature

getType

getReturnType

getArgumentTypes

getType

getTypes

getSignature