Class Descriptor

java.lang.Object

com.ibm.wala.types.Descriptor

public final class Descriptor
extends Object

A method descriptor; something like: (Ljava/langString;)Ljava/lang/Class;

Descriptors are canonical

Method Summary

Modifier and Type	Method	Description
static Descriptor	findOrCreate(Language l, ImmutableByteArray b)
static Descriptor	findOrCreate(ImmutableByteArray b)
static Descriptor	findOrCreate(TypeName[] parameters, TypeName returnType)
static Descriptor	findOrCreateUTF8(Language l, String s)
static Descriptor	findOrCreateUTF8(String s)
int	getNumberOfParameters()
TypeName[]	getParameters()
TypeName	getReturnType()
int	hashCode()
String	toString()
String	toUnicodeString()

Methods inherited from class Object

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

Method Details

findOrCreate

public static Descriptor findOrCreate(TypeName[] parameters,
 TypeName returnType)

Parameters:

parameters - the parameters for a descriptor

returnType - the return type

Returns:

the canonical representative for this descriptor value

findOrCreate

public static Descriptor findOrCreate(Language l,
 ImmutableByteArray b)
                               throws IllegalArgumentException

Parameters:

b - a byte array holding the string representation of this descriptor

Returns:

the canonical representative for this descriptor value

Throws:

IllegalArgumentException

findOrCreate

public static Descriptor findOrCreate(ImmutableByteArray b)
                               throws IllegalArgumentException

Throws:

IllegalArgumentException

findOrCreateUTF8

public static Descriptor findOrCreateUTF8(String s)
                                   throws IllegalArgumentException

Parameters:

s - string representation of this descriptor

Returns:

the canonical representative for this descriptor value

Throws:

IllegalArgumentException

findOrCreateUTF8

public static Descriptor findOrCreateUTF8(Language l,
 String s)
                                   throws IllegalArgumentException

Parameters:

s - string representation of this descriptor

Returns:

the canonical representative for this descriptor value

Throws:

IllegalArgumentException

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object

toUnicodeString

public String toUnicodeString()

Returns:

a unicode string representation of this descriptor

getReturnType

public TypeName getReturnType()

Returns:

the name of the return type of this descriptor

getParameters

public TypeName[] getParameters()

Returns:

the type names for the parameters in this descriptor

getNumberOfParameters

public int getNumberOfParameters()

Returns:

number of parameters in this descriptor