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public interface ExceptionTableEntry
Class representing an ExceptionTable
generic entry. These entries describe the
exception handlers behaviour in the code array of a Code
attribute. An entry is
made up of four elements: start_pc, end_pc, handler_pc, catch_type
. These entries
are stored within a Code
attribute ExceptionTable
.
Method Summary | |
---|---|
java.lang.Object |
clone()
|
void |
fromStream(java.io.DataInputStream dis)
Reads the entry from the given inputstream. |
CodeAttribute |
getAttributeContainer()
Get the reference to the CodeAttribute this ExceptionTableEntry
is held by. |
int |
getCatchType()
If the value of type is non zero, it must refer to an entry of the constant
pool table of type ConstantClass (ConstantClassInfo ). |
int |
getEndPc()
Gets the index at which the exception handler becomes inactive. |
int |
getHandlerPc()
Gets the start of the exception handler. |
int |
getStartPc()
Gets the index at which the exception handler begins being active. |
void |
setAttributeContainer(CodeAttribute attribute)
Set the reference to the CodeAttribute this ExceptionTableEntry
is held by. |
void |
setCatchType(int type)
If the value of type is non zero, it must refer to an entry of the constant
pool table of type ConstantClass (ConstantClassInfo ). |
void |
setEndPc(int end)
Sets the index at which the exception handler becomes inactive. |
void |
setHandlerPc(int handler)
Sets the start of the exception handler. |
void |
setStartPc(int start)
Sets the index at which the exception handler begins being active. |
void |
toStream(java.io.DataOutputStream dos)
Writes this entry to the given output stream. |
void |
updateRefs(int offset)
Updates all the reference to the constant pool table |
boolean |
validate()
This method has to perform a validation process over the ExceptionTableEntry
according to what specified by the JVM Official Specification. |
Methods inherited from interface jef.dna.util.BytesCountable |
---|
getBytesCount |
Method Detail |
---|
void setAttributeContainer(CodeAttribute attribute)
CodeAttribute
this ExceptionTableEntry
is held by.
attribute
- The CodeAttribute
containerCodeAttribute getAttributeContainer()
CodeAttribute
this ExceptionTableEntry
is held by.
CodeAttribute
containervoid setStartPc(int start)
code array of Code
attribute
instance.
- Parameters:
start
- The index at which the exc. handler becomes active
getStartPc
int getStartPc()
- Gets the index at which the exception handler begins being active. This value has to be a
valid index into the
code array of Code
attribute
instance.
- Returns:
- int The index at which the exc. handler becomes active
setEndPc
void setEndPc(int end)
- Sets the index at which the exception handler becomes inactive. This value has to be a valid
index into the
code array of Code
attribute
instance.
- Parameters:
end
- The index at which the exc. handler gets deactivated
getEndPc
int getEndPc()
- Gets the index at which the exception handler becomes inactive. This value has to be a valid
index into the
code array of Code
attribute
instance.
- Returns:
- int The index at which the exc. handler gets deactivated
setHandlerPc
void setHandlerPc(int handler)
- Sets the start of the exception handler. This value has to be a valid index into the
code array of Code
attribute
instance.
- Parameters:
handler
- The start of the exception handler
getHandlerPc
int getHandlerPc()
- Gets the start of the exception handler. This value has to be a valid index into the
code array of Code
attribute
instance.
- Returns:
- int The start of the exception handler
setCatchType
void setCatchType(int type)
- If the value of
type
is non zero, it must refer to an entry of the constant
pool table of type ConstantClass
(ConstantClassInfo
).
- Parameters:
type
- Valid index into the constant pool table
getCatchType
int getCatchType()
- If the value of
type
is non zero, it must refer to an entry of the constant
pool table of type ConstantClass
(ConstantClassInfo
).
- Returns:
- int Valid index into the constant pool table
toStream
void toStream(java.io.DataOutputStream dos)
throws java.io.IOException
- Writes this entry to the given output stream.
- Parameters:
dos
- Output stream to write the entry to
- Throws:
java.io.IOException
- Thrown should something go wrong with the provided output stream
fromStream
void fromStream(java.io.DataInputStream dis)
throws java.io.IOException
- Reads the entry from the given inputstream.
- Parameters:
dis
- Input stream to read the entry from
- Throws:
java.io.IOException
- Thrown should something go wrong with the provided input stream
updateRefs
void updateRefs(int offset)
- Updates all the reference to the constant pool table
- Parameters:
offset
- The offset to be applied
validate
boolean validate()
throws ExceptionTableEntryValidationException,
MissingDnaContainerException,
MissingAttributeContainerException,
MissingCPTableException
- This method has to perform a validation process over the
ExceptionTableEntry
according to what specified by the JVM Official Specification.
- Returns:
- boolean The validation outcome
- Throws:
ExceptionTableEntryValidationException
- The validation failed
MissingDnaContainerException
- Is missing the reference to the Dna
instance this
ExceptionTableEntry
belongs to
MissingCPTableException
- Cannot access the constant pool table
MissingAttributeContainerException
- Is missing the reference to the Attribute
this
ExceptionTableEntry
belongs to
clone
java.lang.Object clone()
throws java.lang.CloneNotSupportedException
- Throws:
java.lang.CloneNotSupportedException
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