edu.rice.cs.cunit.classFile.constantPool.visitors
Class CheckClassOrEmptyVisitor

java.lang.Object
  edu.rice.cs.cunit.classFile.constantPool.visitors.ADefaultPoolInfoVisitor<APoolInfo,java.lang.Object>
      edu.rice.cs.cunit.classFile.constantPool.visitors.CheckClassOrEmptyVisitor

All Implemented Interfaces:

IPoolInfoVisitor<APoolInfo,java.lang.Object>

public class CheckClassOrEmptyVisitor
extends ADefaultPoolInfoVisitor<APoolInfo,java.lang.Object>

Check that the host is a class info.

Author:

Mathias Ricken

Field Summary

private static CheckClassOrEmptyVisitor

_instance Singleton instance.

Constructor Summary

private

CheckClassOrEmptyVisitor() Singleton constructor.

Method Summary

APoolInfo	classCase(ClassPoolInfo host, java.lang.Object o) Return host.
ClassPoolInfo	defaultCase(APoolInfo host, java.lang.Object o) All other cases throw.
APoolInfo	emptyCase(EmptyPoolInfo host, java.lang.Object o) Return host.
static CheckClassOrEmptyVisitor	singleton() Singleton accessor.

Methods inherited from class edu.rice.cs.cunit.classFile.constantPool.visitors.ADefaultPoolInfoVisitor

asciizCase, doubleCase, fieldCase, floatCase, intCase, interfaceMethodCase, longCase, methodCase, nameAndTypeCase, stringCase, unicodeCase

Methods inherited from class java.lang.Object

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

Field Detail

_instance

private static CheckClassOrEmptyVisitor _instance

Singleton instance.

Constructor Detail

CheckClassOrEmptyVisitor

private CheckClassOrEmptyVisitor()

Singleton constructor.

Method Detail

singleton

public static CheckClassOrEmptyVisitor singleton()

Singleton accessor.

Returns:

singleton

defaultCase

public ClassPoolInfo defaultCase(APoolInfo host,
                                 java.lang.Object o)

All other cases throw.

Specified by:

defaultCase in class ADefaultPoolInfoVisitor<APoolInfo,java.lang.Object>

Parameters:

host - non-class host

o - not used

Returns:

nothing

classCase

public APoolInfo classCase(ClassPoolInfo host,
                           java.lang.Object o)

Return host.

Specified by:

classCase in interface IPoolInfoVisitor<APoolInfo,java.lang.Object>

Overrides:

classCase in class ADefaultPoolInfoVisitor<APoolInfo,java.lang.Object>

Parameters:

host - class host

o - not used

Returns:

host

emptyCase

public APoolInfo emptyCase(EmptyPoolInfo host,
                           java.lang.Object o)

Return host.

Specified by:

emptyCase in interface IPoolInfoVisitor<APoolInfo,java.lang.Object>

Overrides:

emptyCase in class ADefaultPoolInfoVisitor<APoolInfo,java.lang.Object>

Parameters:

host - empty info

o - not used

Returns:

host