com.ibm.wala.types
Class Descriptor

java.lang.Object
  com.ibm.wala.types.Descriptor

public final class Descriptor
extends java.lang.Object

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

Method Summary

boolean	equals(java.lang.Object obj)
static Descriptor	findOrCreate(ImmutableByteArray b)
static Descriptor	findOrCreate(TypeName[] parameters, TypeName returnType)
static Descriptor	findOrCreateUTF8(java.lang.String s)
int	getNumberOfParameters()
TypeName[]	getParameters()
TypeName	getReturnType()
int	hashCode()
java.lang.String	toString()
java.lang.String	toUnicodeString()

Methods inherited from class java.lang.Object

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

Method Detail

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(ImmutableByteArray b)
                               throws java.lang.IllegalArgumentException

Parameters:

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

Returns:

the canonical representative for this descriptor value

Throws:

java.lang.IllegalArgumentException

findOrCreateUTF8

public static Descriptor findOrCreateUTF8(java.lang.String s)
                                   throws java.lang.IllegalArgumentException

Parameters:

s - string representation of this descriptor

Returns:

the canonical representative for this descriptor value

Throws:

java.lang.IllegalArgumentException

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

toUnicodeString

public java.lang.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