Package edu.umd.cs.findbugs.detect

Class LoadOfKnownNullValue

java.lang.Object

edu.umd.cs.findbugs.detect.LoadOfKnownNullValue

All Implemented Interfaces:

Detector, Priorities

public class LoadOfKnownNullValue
extends java.lang.Object
implements Detector

Field Summary

Fields

Modifier and Type	Field	Description
private BugAccumulator	bugAccumulator
private BugReporter	bugReporter

Fields inherited from interface edu.umd.cs.findbugs.Priorities

EXP_PRIORITY, HIGH_PRIORITY, IGNORE_PRIORITY, LOW_PRIORITY, NORMAL_PRIORITY

Constructor Summary

Constructors

Constructor	Description
LoadOfKnownNullValue(BugReporter bugReporter)

Method Summary

Modifier and Type	Method	Description
private void	analyzeMethod(ClassContext classContext, org.apache.bcel.classfile.Method method)
private boolean	isNullTestedClose(ClassContext classContext, org.apache.bcel.generic.ALOAD load, org.apache.bcel.generic.InstructionHandle nextHandle, org.apache.bcel.generic.Instruction next)
void	report()	This method is called after all classes to be visited.
void	visitClassContext(ClassContext classContext)	Visit the ClassContext for a class which should be analyzed for instances of bug patterns.

Methods inherited from class java.lang.Object

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

Field Detail

bugReporter

private final BugReporter bugReporter

bugAccumulator

private final BugAccumulator bugAccumulator

Constructor Detail

LoadOfKnownNullValue

public LoadOfKnownNullValue(BugReporter bugReporter)

Method Detail

visitClassContext

public void visitClassContext(ClassContext classContext)

Description copied from interface: Detector

Visit the ClassContext for a class which should be analyzed for instances of bug patterns.

Specified by:

visitClassContext in interface Detector

Parameters:

classContext - the ClassContext

analyzeMethod

private void analyzeMethod(ClassContext classContext,
                           org.apache.bcel.classfile.Method method)
                    throws CFGBuilderException,
                           DataflowAnalysisException

Throws:

CFGBuilderException

DataflowAnalysisException

isNullTestedClose

private boolean isNullTestedClose(ClassContext classContext,
                                  org.apache.bcel.generic.ALOAD load,
                                  org.apache.bcel.generic.InstructionHandle nextHandle,
                                  org.apache.bcel.generic.Instruction next)

Parameters:

classContext -

nextHandle -

next -

report

public void report()

Description copied from interface: Detector

This method is called after all classes to be visited. It should be used by any detectors which accumulate information over all visited classes to generate results.

Specified by:

report in interface Detector