at.dms.classfile
Class HandlerInfo

java.lang.Object
  at.dms.classfile.HandlerInfo

All Implemented Interfaces:

AccessorContainer

public class HandlerInfo
extends Object
implements AccessorContainer

This class represents a protected (try) portion of block with an handler (catch) for a specified type of exception

Constructor Summary

HandlerInfo(DataInput in, ConstantPool cp, Instruction[] insns)
Constructs a new exception handler info entry from a class file

HandlerInfo(InstructionAccessor start, InstructionAccessor end, InstructionAccessor handler, String thrown)
Constructs a new exception handler info entry

Method Summary

InstructionAccessor	getEnd()
InstructionAccessor	getHandler()
InstructionAccessor	getStart()
String	getThrown()
void	setEnd(InstructionAccessor end)
void	setHandler(InstructionAccessor handler)
void	setStart(InstructionAccessor start)
void	transformAccessors(AccessorTransformer transformer) Transforms targets (deferences to actual instructions).

Methods inherited from class java.lang.Object

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

Constructor Detail

HandlerInfo

public HandlerInfo(InstructionAccessor start,
                   InstructionAccessor end,
                   InstructionAccessor handler,
                   String thrown)

Constructs a new exception handler info entry

Parameters:

start - the beginning of the checked area (inclusive)

end - the end of the checked area (inclusive !)

handler - the entrypoint into the exception handling routine.

thrown - the exceptions handled by this routine

HandlerInfo

public HandlerInfo(DataInput in,
                   ConstantPool cp,
                   Instruction[] insns)
            throws IOException

Constructs a new exception handler info entry from a class file

Parameters:

in - the stream to read from

cp - the constant pool

insns - (sparse) array of instructions

Throws:

IOException - an io problem has occured

Method Detail

transformAccessors

public void transformAccessors(AccessorTransformer transformer)
                        throws BadAccessorException

Transforms targets (deferences to actual instructions).

Specified by:

transformAccessors in interface AccessorContainer

Parameters:

transformer - the transformer used to transform accessors

Throws:

BadAccessorException

setStart

public void setStart(InstructionAccessor start)

getStart

public InstructionAccessor getStart()

setEnd

public void setEnd(InstructionAccessor end)

getEnd

public InstructionAccessor getEnd()

setHandler

public void setHandler(InstructionAccessor handler)

getHandler

public InstructionAccessor getHandler()

getThrown

public String getThrown()