edu.umd.cs.findbugs

Class FindBugs2

java.lang.Object

edu.umd.cs.findbugs.FindBugs2

All Implemented Interfaces:

IFindBugsEngine

public class FindBugs2
extends Object
implements IFindBugsEngine

FindBugs driver class. Orchestrates the analysis of a project, collection of results, etc.

Author:

David Hovemeyer

Field Summary

Fields

Modifier and Type	Field and Description
static boolean	DEBUG
static boolean	PROGRESS
static String	PROP_FINDBUGS_HOST_APP
static String	PROP_FINDBUGS_HOST_APP_VERSION

Constructor Summary

Constructors

Constructor and Description
FindBugs2() Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	addClassObserver(IClassObserver classObserver) Add an IClassObserver.
void	addFilter(String filterFileName, boolean include) Set filter of bug instances to include or exclude.
static void	clearAnalysisContext()
protected void	clearCaches() Protected to allow Eclipse plugin remember some cache data for later reuse
protected void	configureFilters(UserPreferences userPreferences)
protected IAnalysisCache	createAnalysisCache() Create the analysis cache object and register it for current execution thread.
static void	createAnalysisContext(Project project, List<ClassDescriptor> appClassList, String sourceInfoFileName) Create the AnalysisContext that will serve as the BCEL-compatibility layer over the AnalysisCache.
void	dispose() To avoid cyclic cross-references and allow GC after engine is not more needed.
boolean	emitTrainingOutput() Return whether or not training output should be emitted after analysis completes.
void	enableTrainingInput(String trainingInputDir) Set whether or not training input should be used to make the analysis more precise.
void	enableTrainingOutput(String trainingOutputDir) Set whether or not training output should be emitted.
void	excludeBaselineBugs(String baselineBugs) Provide baseline of bugs not to report
void	execute() Execute the analysis.
void	finishSettings()
int	getBugCount() Get the number of bug instances that were reported during analysis.
BugReporter	getBugReporter() Get the BugReporter.
String	getCurrentClass() Get the name of the most recent class to be analyzed.
int	getErrorCount() Get the number of errors that occurred during analysis.
int	getMissingClassCount() Get the number of time missing classes were reported during analysis.
Project	getProject() Get the Project.
String	getProjectName()
String	getReleaseName()
String	getTrainingInputDir() Get the training input database directory.
String	getTrainingOutputDir() Get the training output directory.
UserPreferences	getUserPreferences() Get the UserPreferences.
static void	main(String[] args)
static void	registerBuiltInAnalysisEngines(IAnalysisCache analysisCache) Register the "built-in" analysis engines with given IAnalysisCache.
static void	registerPluginAnalysisEngines(DetectorFactoryCollection detectorFactoryCollection, IAnalysisCache analysisCache) Register all of the analysis engines defined in the plugins contained in a DetectorFactoryCollection with an IAnalysisCache.
void	setAbridgedMessages(boolean xmlWithAbridgedMessages)
void	setAnalysisFeatureSettings(AnalysisFeatureSetting[] settingList) Set analysis feature settings.
static void	setAppClassList(List<ClassDescriptor> appClassList)
void	setApplySuppression(boolean applySuppression)
void	setBugReporter(BugReporter bugReporter) Set the BugReporter.
void	setBugReporterDecorators(Set<String> explicitlyEnabled, Set<String> explicitlyDisabled)
void	setClassScreener(IClassScreener classScreener) Set the ClassScreener.
void	setDetectorFactoryCollection(DetectorFactoryCollection detectorFactoryCollection) Set the detector factory collection to be used by this FindBugs2 engine.
void	setMergeSimilarWarnings(boolean mergeSimilarWarnings)
void	setNoClassOk(boolean noClassOk) Set whether or not to generate an empty output file if there were no class files specified.
void	setProgressCallback(FindBugsProgress progressCallback) Set the progress callback that will be used to keep track of the progress of the analysis.
void	setProject(Project project) Set the Project.
void	setProjectName(String name)
void	setRankThreshold(int rankThreshold)
void	setRelaxedReportingMode(boolean relaxedReportingMode) Set relaxed reporting mode.
void	setReleaseName(String releaseName)
void	setScanNestedArchives(boolean scanNestedArchives) Set whether or not nested archives should be scanned.
void	setSourceInfoFile(String sourceInfoFile) Set the filename of the source info file containing line numbers for fields and classes.
void	setUserPreferences(UserPreferences userPreferences) Set the UserPreferences representing which Detectors should be used.
List<ClassDescriptor>	sortByCallGraph(Collection<ClassDescriptor> classList, TopologicalSort.OutEdges<ClassDescriptor> outEdges)
boolean	useTrainingInput() Return whether or not we should make use of training data.

Methods inherited from class java.lang.Object

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

Field Detail

DEBUG

public static final boolean DEBUG

PROGRESS

public static final boolean PROGRESS

PROP_FINDBUGS_HOST_APP

public static final String PROP_FINDBUGS_HOST_APP

See Also:

Constant Field Values

PROP_FINDBUGS_HOST_APP_VERSION

public static final String PROP_FINDBUGS_HOST_APP_VERSION

See Also:

Constant Field Values

Constructor Detail

FindBugs2

public FindBugs2()

Constructor.

Method Detail

setDetectorFactoryCollection

public void setDetectorFactoryCollection(DetectorFactoryCollection detectorFactoryCollection)

Set the detector factory collection to be used by this FindBugs2 engine. This method should be called before the execute() method is called.

Specified by:

setDetectorFactoryCollection in interface IFindBugsEngine

Parameters:

detectorFactoryCollection - The detectorFactoryCollection to set.

execute

public void execute()
             throws IOException,
                    InterruptedException

Execute the analysis. For obscure reasons, CheckedAnalysisExceptions are re-thrown as IOExceptions. However, these can only happen during the setup phase where we scan codebases for classes.

Specified by:

execute in interface IFindBugsEngine

Throws:

IOException

InterruptedException

clearCaches

protected void clearCaches()

Protected to allow Eclipse plugin remember some cache data for later reuse

dispose

public void dispose()

To avoid cyclic cross-references and allow GC after engine is not more needed. (used by Eclipse plugin)

getBugReporter

public BugReporter getBugReporter()

Description copied from interface: IFindBugsEngine

Get the BugReporter.

Specified by:

getBugReporter in interface IFindBugsEngine

Returns:

the BugReporter

getProject

public Project getProject()

Description copied from interface: IFindBugsEngine

Get the Project.

Specified by:

getProject in interface IFindBugsEngine

Returns:

the Project

addClassObserver

public void addClassObserver(IClassObserver classObserver)

Description copied from interface: IFindBugsEngine

Add an IClassObserver.

Specified by:

addClassObserver in interface IFindBugsEngine

Parameters:

classObserver - the IClassObserver

addFilter

public void addFilter(String filterFileName,
             boolean include)
               throws IOException,
                      FilterException

Description copied from interface: IFindBugsEngine

Set filter of bug instances to include or exclude.

Specified by:

addFilter in interface IFindBugsEngine

Parameters:

filterFileName - the name of the filter file

include - true if the filter specifies bug instances to include, false if it specifies bug instances to exclude

Throws:

IOException

FilterException

excludeBaselineBugs

public void excludeBaselineBugs(String baselineBugs)
                         throws IOException,
                                org.dom4j.DocumentException

Description copied from interface: IFindBugsEngine

Provide baseline of bugs not to report

Specified by:

excludeBaselineBugs in interface IFindBugsEngine

Parameters:

baselineBugs - the name of the xml bug baseline file

Throws:

org.dom4j.DocumentException

IOException

enableTrainingInput

public void enableTrainingInput(String trainingInputDir)

Description copied from interface: IFindBugsEngine

Set whether or not training input should be used to make the analysis more precise.

Specified by:

enableTrainingInput in interface IFindBugsEngine

Parameters:

trainingInputDir - directory to load training input from

enableTrainingOutput

public void enableTrainingOutput(String trainingOutputDir)

Description copied from interface: IFindBugsEngine

Set whether or not training output should be emitted.

Specified by:

enableTrainingOutput in interface IFindBugsEngine

Parameters:

trainingOutputDir - directory to save training output in

getBugCount

public int getBugCount()

Description copied from interface: IFindBugsEngine

Get the number of bug instances that were reported during analysis.

Specified by:

getBugCount in interface IFindBugsEngine

getCurrentClass

public String getCurrentClass()

Description copied from interface: IFindBugsEngine

Get the name of the most recent class to be analyzed. This is useful for diagnosing an unexpected exception. Returns null if no class has been analyzed.

Specified by:

getCurrentClass in interface IFindBugsEngine

getErrorCount

public int getErrorCount()

Description copied from interface: IFindBugsEngine

Get the number of errors that occurred during analysis.

Specified by:

getErrorCount in interface IFindBugsEngine

getMissingClassCount

public int getMissingClassCount()

Description copied from interface: IFindBugsEngine

Get the number of time missing classes were reported during analysis.

Specified by:

getMissingClassCount in interface IFindBugsEngine

getReleaseName

public String getReleaseName()

Specified by:

getReleaseName in interface IFindBugsEngine

Returns:

Returns the releaseName.

getProjectName

public String getProjectName()

Specified by:

getProjectName in interface IFindBugsEngine

Returns:

Returns the projectName.

setProjectName

public void setProjectName(String name)

Specified by:

setProjectName in interface IFindBugsEngine

Parameters:

name - The project name to set.

setAnalysisFeatureSettings

public void setAnalysisFeatureSettings(AnalysisFeatureSetting[] settingList)

Description copied from interface: IFindBugsEngine

Set analysis feature settings.

Specified by:

setAnalysisFeatureSettings in interface IFindBugsEngine

Parameters:

settingList - list of analysis feature settings

setBugReporter

public void setBugReporter(BugReporter bugReporter)

Description copied from interface: IFindBugsEngine

Set the BugReporter.

Specified by:

setBugReporter in interface IFindBugsEngine

Parameters:

bugReporter - The BugReporter to set

setClassScreener

public void setClassScreener(IClassScreener classScreener)

Description copied from interface: IFindBugsEngine

Set the ClassScreener. This object chooses which individual classes to analyze. By default, all classes are analyzed.

Specified by:

setClassScreener in interface IFindBugsEngine

Parameters:

classScreener - the ClassScreener to use

setProgressCallback

public void setProgressCallback(FindBugsProgress progressCallback)

Description copied from interface: IFindBugsEngine

Set the progress callback that will be used to keep track of the progress of the analysis.

Specified by:

setProgressCallback in interface IFindBugsEngine

Parameters:

progressCallback - the progress callback

setProject

public void setProject(Project project)

Description copied from interface: IFindBugsEngine

Set the Project.

Specified by:

setProject in interface IFindBugsEngine

Parameters:

project - The Project to set

setRelaxedReportingMode

public void setRelaxedReportingMode(boolean relaxedReportingMode)

Description copied from interface: IFindBugsEngine

Set relaxed reporting mode.

Specified by:

setRelaxedReportingMode in interface IFindBugsEngine

Parameters:

relaxedReportingMode - true if relaxed reporting mode should be enabled, false if not

setReleaseName

public void setReleaseName(String releaseName)

Specified by:

setReleaseName in interface IFindBugsEngine

Parameters:

releaseName - The releaseName to set.

setSourceInfoFile

public void setSourceInfoFile(String sourceInfoFile)

Description copied from interface: IFindBugsEngine

Set the filename of the source info file containing line numbers for fields and classes.

Specified by:

setSourceInfoFile in interface IFindBugsEngine

Parameters:

sourceInfoFile - the source info filename

setUserPreferences

public void setUserPreferences(UserPreferences userPreferences)

Description copied from interface: IFindBugsEngine

Set the UserPreferences representing which Detectors should be used. If UserPreferences are not set explicitly, the default set of Detectors will be used.

Specified by:

setUserPreferences in interface IFindBugsEngine

Parameters:

userPreferences - the UserPreferences

configureFilters

protected void configureFilters(UserPreferences userPreferences)

emitTrainingOutput

public boolean emitTrainingOutput()

Description copied from interface: IFindBugsEngine

Return whether or not training output should be emitted after analysis completes.

Specified by:

emitTrainingOutput in interface IFindBugsEngine

Returns:

true if training output should be emitted, false if not

getUserPreferences

public UserPreferences getUserPreferences()

Description copied from interface: IFindBugsEngine

Get the UserPreferences.

Specified by:

getUserPreferences in interface IFindBugsEngine

Returns:

the UserPreferences

getTrainingInputDir

public String getTrainingInputDir()

Description copied from interface: IFindBugsEngine

Get the training input database directory.

Specified by:

getTrainingInputDir in interface IFindBugsEngine

Returns:

the training input database directory

getTrainingOutputDir

public String getTrainingOutputDir()

Description copied from interface: IFindBugsEngine

Get the training output directory.

Specified by:

getTrainingOutputDir in interface IFindBugsEngine

Returns:

the training output directory

useTrainingInput

public boolean useTrainingInput()

Description copied from interface: IFindBugsEngine

Return whether or not we should make use of training data.

Specified by:

useTrainingInput in interface IFindBugsEngine

Returns:

true if training data should be used, false if not

setScanNestedArchives

public void setScanNestedArchives(boolean scanNestedArchives)

Description copied from interface: IFindBugsEngine

Set whether or not nested archives should be scanned.

Specified by:

setScanNestedArchives in interface IFindBugsEngine

Parameters:

scanNestedArchives - true if nested archives should be scanned, false if not

setNoClassOk

public void setNoClassOk(boolean noClassOk)

Description copied from interface: IFindBugsEngine

Set whether or not to generate an empty output file if there were no class files specified.

Specified by:

setNoClassOk in interface IFindBugsEngine

Parameters:

noClassOk - true if FindBugs should generate empty output file

createAnalysisCache

protected IAnalysisCache createAnalysisCache()
                                      throws IOException

Create the analysis cache object and register it for current execution thread.

This method is protected to allow clients override it and possibly reuse some previous analysis data (for Eclipse interactive re-build)

Throws:

IOException - if error occurs registering analysis engines in a plugin

registerBuiltInAnalysisEngines

public static void registerBuiltInAnalysisEngines(IAnalysisCache analysisCache)

Register the "built-in" analysis engines with given IAnalysisCache.

Parameters:

analysisCache - an IAnalysisCache

registerPluginAnalysisEngines

public static void registerPluginAnalysisEngines(DetectorFactoryCollection detectorFactoryCollection,
                                 IAnalysisCache analysisCache)
                                          throws IOException

Register all of the analysis engines defined in the plugins contained in a DetectorFactoryCollection with an IAnalysisCache.

Parameters:

detectorFactoryCollection - a DetectorFactoryCollection

analysisCache - an IAnalysisCache

Throws:

IOException

sortByCallGraph

public List<ClassDescriptor> sortByCallGraph(Collection<ClassDescriptor> classList,
                                    TopologicalSort.OutEdges<ClassDescriptor> outEdges)

clearAnalysisContext

public static void clearAnalysisContext()

createAnalysisContext

public static void createAnalysisContext(Project project,
                         List<ClassDescriptor> appClassList,
                         @CheckForNull
                         String sourceInfoFileName)
                                  throws IOException

Create the AnalysisContext that will serve as the BCEL-compatibility layer over the AnalysisCache.

Parameters:

project - The project

appClassList - list of ClassDescriptors identifying application classes

sourceInfoFileName - name of source info file (null if none)

Throws:

IOException

setAppClassList

public static void setAppClassList(List<ClassDescriptor> appClassList)

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception

setAbridgedMessages

public void setAbridgedMessages(boolean xmlWithAbridgedMessages)

Specified by:

setAbridgedMessages in interface IFindBugsEngine

setMergeSimilarWarnings

public void setMergeSimilarWarnings(boolean mergeSimilarWarnings)

Specified by:

setMergeSimilarWarnings in interface IFindBugsEngine

setApplySuppression

public void setApplySuppression(boolean applySuppression)

Specified by:

setApplySuppression in interface IFindBugsEngine

setRankThreshold

public void setRankThreshold(int rankThreshold)

Specified by:

setRankThreshold in interface IFindBugsEngine

finishSettings

public void finishSettings()

Specified by:

finishSettings in interface IFindBugsEngine

setBugReporterDecorators

public void setBugReporterDecorators(Set<String> explicitlyEnabled,
                            Set<String> explicitlyDisabled)

Specified by:

setBugReporterDecorators in interface IFindBugsEngine