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

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

All Implemented Interfaces:

IPoolInfoVisitor<APoolInfo,java.lang.Object>

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

Check that the host is a UTF info.

Author:

Mathias Ricken

Field Summary

private static CheckUTFOrEmptyVisitor

_instance Singleton instance.

Constructor Summary

private

CheckUTFOrEmptyVisitor() Singleton constructor.

Method Summary

APoolInfo	asciizCase(ASCIIPoolInfo host, java.lang.Object o) Return host.
AUTFPoolInfo	defaultCase(APoolInfo host, java.lang.Object o) All other cases throw.
APoolInfo	emptyCase(EmptyPoolInfo host, java.lang.Object o) Return host.
static CheckUTFOrEmptyVisitor	singleton() Singleton accessor.
APoolInfo	unicodeCase(UnicodePoolInfo host, java.lang.Object o) Return host.

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

classCase, doubleCase, fieldCase, floatCase, intCase, interfaceMethodCase, longCase, methodCase, nameAndTypeCase, stringCase

Methods inherited from class java.lang.Object

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

Field Detail

_instance

private static CheckUTFOrEmptyVisitor _instance

Singleton instance.

Constructor Detail

CheckUTFOrEmptyVisitor

private CheckUTFOrEmptyVisitor()

Singleton constructor.

Method Detail

singleton

public static CheckUTFOrEmptyVisitor singleton()

Singleton accessor.

Returns:

singleton

defaultCase

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

All other cases throw.

Specified by:

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

Parameters:

host - non-UTF host

o - not used

Returns:

nothing

asciizCase

public APoolInfo asciizCase(ASCIIPoolInfo host,
                            java.lang.Object o)

Return host.

Specified by:

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

Overrides:

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

Parameters:

host - UTF host

o - not used

Returns:

host

unicodeCase

public APoolInfo unicodeCase(UnicodePoolInfo host,
                             java.lang.Object o)

Return host.

Specified by:

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

Overrides:

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

Parameters:

host - UTF 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 - UTF host

o - not used

Returns:

host