Type (JOAFIP "Abstract" Parent Project 4.0.0b9)

java.lang.Object
- net.sf.joafip.asm.Type

```
@NotStorableClass
public class Type
extends Object
```
A Java type. This class can be used to make it easier to manipulate type and method descriptors.

Author:

Eric Bruneton, Chris Nokleberg

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`ARRAY` The sort of array reference types.
`static int`	`BOOLEAN` The sort of the `boolean` type.
`static Type`	`BOOLEAN_TYPE` The `boolean` type.
`static int`	`BYTE` The sort of the `byte` type.
`static Type`	`BYTE_TYPE` The `byte` type.
`static int`	`CHAR` The sort of the `char` type.
`static Type`	`CHAR_TYPE` The `char` type.
`static int`	`DOUBLE` The sort of the `double` type.
`static Type`	`DOUBLE_TYPE` The `double` type.
`static int`	`FLOAT` The sort of the `float` type.
`static Type`	`FLOAT_TYPE` The `float` type.
`static int`	`INT` The sort of the `int` type.
`static Type`	`INT_TYPE` The `int` type.
`static int`	`LONG` The sort of the `long` type.
`static Type`	`LONG_TYPE` The `long` type.
`static int`	`OBJECT` The sort of object reference type.
`static int`	`SHORT` The sort of the `short` type.
`static Type`	`SHORT_TYPE` The `short` type.
`static int`	`VOID` The sort of the `void` type.
`static Type`	`VOID_TYPE` The `void` type.

Method Summary

Methods
Modifier and Type	Method and Description
`boolean`	`equals(Object o)` Tests if the given object is equal to this type.
`static int`	`getArgumentsAndReturnSizes(String desc)` Computes the size of the arguments and of the return value of a method.
`static Type[]`	`getArgumentTypes(Method method)` Returns the Java types corresponding to the argument types of the given method.
`static Type[]`	`getArgumentTypes(String methodDescriptor)` Returns the Java types corresponding to the argument types of the given method descriptor.
`String`	`getClassName()` Returns the name of the class corresponding to this type.
`static String`	`getConstructorDescriptor(Constructor c)` Returns the descriptor corresponding to the given constructor.
`String`	`getDescriptor()` Returns the descriptor corresponding to this Java type.
`static String`	`getDescriptor(Class c)` Returns the descriptor corresponding to the given Java type.
`static void`	`getDescriptor(StringBuffer buf, Class c)` Appends the descriptor of the given class to the given string buffer.
`int`	`getDimensions()` Returns the number of dimensions of this array type.
`Type`	`getElementType()` Returns the type of the elements of this array type.
`String`	`getInternalName()` Returns the internal name of the class corresponding to this object or array type.
`static String`	`getInternalName(Class c)` Returns the internal name of the given class.
`static String`	`getMethodDescriptor(Method m)` Returns the descriptor corresponding to the given method.
`static String`	`getMethodDescriptor(Type returnType, Type[] argumentTypes)` Returns the descriptor corresponding to the given argument and return types.
`static Type`	`getObjectType(String internalName)` Returns the Java type corresponding to the given internal name.
`int`	`getOpcode(int opcode)` Returns a JVM instruction opcode adapted to this Java type.
`static Type`	`getReturnType(Method method)` Returns the Java type corresponding to the return type of the given method.
`static Type`	`getReturnType(String methodDescriptor)` Returns the Java type corresponding to the return type of the given method descriptor.
`int`	`getSize()` Returns the size of values of this type.
`int`	`getSort()` Returns the sort of this Java type.
`static Type`	`getType(Class c)` Returns the Java type corresponding to the given class.
`static Type`	`getType(String typeDescriptor)` Returns the Java type corresponding to the given type descriptor.
`int`	`hashCode()` Returns a hash code value for this type.
`String`	`toString()` Returns a string representation of this type.

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

- Field Detail
  - VOID
```
public static final int VOID
```
    The sort of the void type. See getSort.
    
    See Also:
    Constant Field Values
  - BOOLEAN
```
public static final int BOOLEAN
```
    The sort of the boolean type. See getSort.
    
    See Also:
    Constant Field Values
  - CHAR
```
public static final int CHAR
```
    The sort of the char type. See getSort.
    
    See Also:
    Constant Field Values
  - BYTE
```
public static final int BYTE
```
    The sort of the byte type. See getSort.
    
    See Also:
    Constant Field Values
  - SHORT
```
public static final int SHORT
```
    The sort of the short type. See getSort.
    
    See Also:
    Constant Field Values
  - INT
```
public static final int INT
```
    The sort of the int type. See getSort.
    
    See Also:
    Constant Field Values
  - FLOAT
```
public static final int FLOAT
```
    The sort of the float type. See getSort.
    
    See Also:
    Constant Field Values
  - LONG
```
public static final int LONG
```
    The sort of the long type. See getSort.
    
    See Also:
    Constant Field Values
  - DOUBLE
```
public static final int DOUBLE
```
    The sort of the double type. See getSort.
    
    See Also:
    Constant Field Values
  - ARRAY
```
public static final int ARRAY
```
    The sort of array reference types. See getSort.
    
    See Also:
    Constant Field Values
  - OBJECT
```
public static final int OBJECT
```
    The sort of object reference type. See getSort.
    
    See Also:
    Constant Field Values
  - VOID_TYPE
```
public static final Type VOID_TYPE
```
    The void type.
  - BOOLEAN_TYPE
```
public static final Type BOOLEAN_TYPE
```
    The boolean type.
  - CHAR_TYPE
```
public static final Type CHAR_TYPE
```
    The char type.
  - BYTE_TYPE
```
public static final Type BYTE_TYPE
```
    The byte type.
  - SHORT_TYPE
```
public static final Type SHORT_TYPE
```
    The short type.
  - INT_TYPE
```
public static final Type INT_TYPE
```
    The int type.
  - FLOAT_TYPE
```
public static final Type FLOAT_TYPE
```
    The float type.
  - LONG_TYPE
```
public static final Type LONG_TYPE
```
    The long type.
  - DOUBLE_TYPE
```
public static final Type DOUBLE_TYPE
```
    The double type.
- Method Detail
  - getType
```
public static Type getType(String typeDescriptor)
```
    Returns the Java type corresponding to the given type descriptor.
    
    Parameters:
    typeDescriptor - a type descriptor.
    
    Returns:
    the Java type corresponding to the given type descriptor.
  - getObjectType
```
public static Type getObjectType(String internalName)
```
    Returns the Java type corresponding to the given internal name.
    
    Parameters:
    internalName - an internal name.
    
    Returns:
    the Java type corresponding to the given internal name.
  - getType
```
public static Type getType(Class c)
```
    Returns the Java type corresponding to the given class.
    
    Parameters:
    c - a class.
    
    Returns:
    the Java type corresponding to the given class.
  - getArgumentTypes
```
public static Type[] getArgumentTypes(String methodDescriptor)
```
    Returns the Java types corresponding to the argument types of the given method descriptor.
    
    Parameters:
    methodDescriptor - a method descriptor.
    
    Returns:
    the Java types corresponding to the argument types of the given method descriptor.
  - getArgumentTypes
```
public static Type[] getArgumentTypes(Method method)
```
    Returns the Java types corresponding to the argument types of the given method.
    
    Parameters:
    method - a method.
    
    Returns:
    the Java types corresponding to the argument types of the given method.
  - getReturnType
```
public static Type getReturnType(String methodDescriptor)
```
    Returns the Java type corresponding to the return type of the given method descriptor.
    
    Parameters:
    methodDescriptor - a method descriptor.
    
    Returns:
    the Java type corresponding to the return type of the given method descriptor.
  - getReturnType
```
public static Type getReturnType(Method method)
```
    Returns the Java type corresponding to the return type of the given method.
    
    Parameters:
    method - a method.
    
    Returns:
    the Java type corresponding to the return type of the given method.
  - getArgumentsAndReturnSizes
```
public static int getArgumentsAndReturnSizes(String desc)
```
    Computes the size of the arguments and of the return value of a method.
    
    Parameters:
    desc - the descriptor of a method.
    
    Returns:
    the size of the arguments of the method (plus one for the implicit this argument), argSize, and the size of its return value, retSize, packed into a single int i = (argSize << 2) | retSize (argSize is therefore equal to i >> 2, and retSize to i & 0x03).
  - getSort
```
public int getSort()
```
    Returns the sort of this Java type.
    
    Returns:
    VOID, BOOLEAN, CHAR, BYTE, SHORT, INT, FLOAT, LONG, DOUBLE, ARRAY or OBJECT.
  - getDimensions
```
public int getDimensions()
```
    Returns the number of dimensions of this array type. This method should only be used for an array type.
    
    Returns:
    the number of dimensions of this array type.
  - getElementType
```
public Type getElementType()
```
    Returns the type of the elements of this array type. This method should only be used for an array type.
    
    Returns:
    Returns the type of the elements of this array type.
  - getClassName
```
public String getClassName()
```
    Returns the name of the class corresponding to this type.
    
    Returns:
    the fully qualified name of the class corresponding to this type.
  - getInternalName
```
public String getInternalName()
```
    Returns the internal name of the class corresponding to this object or array type. The internal name of a class is its fully qualified name (as returned by Class.getName(), where '.' are replaced by '/'. This method should only be used for an object or array type.
    
    Returns:
    the internal name of the class corresponding to this object type.
  - getDescriptor
```
public String getDescriptor()
```
    Returns the descriptor corresponding to this Java type.
    
    Returns:
    the descriptor corresponding to this Java type.
  - getMethodDescriptor
```
public static String getMethodDescriptor(Type returnType,
                         Type[] argumentTypes)
```
    Returns the descriptor corresponding to the given argument and return types.
    
    Parameters:
    returnType - the return type of the method.
    argumentTypes - the argument types of the method.
    
    Returns:
    the descriptor corresponding to the given argument and return types.
  - getInternalName
```
public static String getInternalName(Class c)
```
    Returns the internal name of the given class. The internal name of a class is its fully qualified name, as returned by Class.getName(), where '.' are replaced by '/'.
    
    Parameters:
    c - an object or array class.
    
    Returns:
    the internal name of the given class.
  - getDescriptor
```
public static String getDescriptor(Class c)
```
    Returns the descriptor corresponding to the given Java type.
    
    Parameters:
    c - an object class, a primitive class or an array class.
    
    Returns:
    the descriptor corresponding to the given class.
  - getConstructorDescriptor
```
public static String getConstructorDescriptor(Constructor c)
```
    Returns the descriptor corresponding to the given constructor.
    
    Parameters:
    c - a Constructor object.
    
    Returns:
    the descriptor of the given constructor.
  - getMethodDescriptor
```
public static String getMethodDescriptor(Method m)
```
    Returns the descriptor corresponding to the given method.
    
    Parameters:
    m - a Method object.
    
    Returns:
    the descriptor of the given method.
  - getDescriptor
```
public static void getDescriptor(StringBuffer buf,
                 Class c)
```
    Appends the descriptor of the given class to the given string buffer.
    
    Parameters:
    buf - the string buffer to which the descriptor must be appended.
    c - the class whose descriptor must be computed.
  - getSize
```
public int getSize()
```
    Returns the size of values of this type.
    
    Returns:
    the size of values of this type, i.e., 2 for long and double, 0 for void and 1 otherwise.
  - getOpcode
```
public int getOpcode(int opcode)
```
    Returns a JVM instruction opcode adapted to this Java type.
    
    Parameters:
    opcode - a JVM instruction opcode. This opcode must be one of ILOAD, ISTORE, IALOAD, IASTORE, IADD, ISUB, IMUL, IDIV, IREM, INEG, ISHL, ISHR, IUSHR, IAND, IOR, IXOR and IRETURN.
    
    Returns:
    an opcode that is similar to the given opcode, but adapted to this Java type. For example, if this type is float and opcode is IRETURN, this method returns FRETURN.
  - equals
```
public boolean equals(Object o)
```
    Tests if the given object is equal to this type.
    
    Overrides:
    
    equals in class Object
    
    Parameters:
    o - the object to be compared to this type.
    
    Returns:
    true if the given object is equal to this type.
  - hashCode
```
public int hashCode()
```
    Returns a hash code value for this type.
    
    Overrides:
    
    hashCode in class Object
    
    Returns:
    a hash code value for this type.
  - toString
```
public String toString()
```
    Returns a string representation of this type.
    
    Overrides:
    
    toString in class Object
    
    Returns:
    the descriptor of this type.

Class Type

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

VOID

BOOLEAN

CHAR

BYTE

SHORT

INT

FLOAT

LONG

DOUBLE

ARRAY

OBJECT

VOID_TYPE

BOOLEAN_TYPE

CHAR_TYPE

BYTE_TYPE

SHORT_TYPE

INT_TYPE

FLOAT_TYPE

LONG_TYPE

DOUBLE_TYPE

Method Detail

getType

getObjectType

getType

getArgumentTypes

getArgumentTypes

getReturnType

getReturnType

getArgumentsAndReturnSizes

getSort

getDimensions

getElementType

getClassName

getInternalName

getDescriptor

getMethodDescriptor

getInternalName

getDescriptor

getConstructorDescriptor

getMethodDescriptor

getDescriptor

getSize

getOpcode

equals

hashCode

toString