public void loadPackageInfoToMemory(IJavaProject project) {
try {
RepositoryAnalyzer raObj = RepositoryAnalyzer.getInstance();
HashMap<String, String> sampleIDMapper = raObj.getCodeSampleIDToPackageMapper();
String packageMappings =
codesamples_dir + project.getElementName().toString() + "\\" + localPackageDataFile;
Scanner packageSc = new Scanner(new File(packageMappings));
while (packageSc.hasNextLine()) {
String packageInfo = packageSc.nextLine();
if (packageInfo.indexOf("junit_awtui_AboutDialog3_AboutDialog.Java") != -1) {
int i = 0;
}
int indexOfComma = packageInfo.indexOf(",");
sampleIDMapper.put(
packageInfo.substring(0, indexOfComma),
packageInfo.substring(indexOfComma + 1, packageInfo.length()));
}
packageSc.close();
} catch (Exception ex) {
logger.error("Exception occurred" + ex);
}
}
public void run(IAction action) {
IWorkbenchPartSite site = _part.getSite();
ISelectionProvider provider = site.getSelectionProvider();
StructuredSelection selection = (StructuredSelection) provider.getSelection();
Object[] items = selection.toArray();
RepositoryAnalyzer ra = RepositoryAnalyzer.getInstance();
if (items.length != 1) {
logger.error("ERROR: This should be run only on one item");
}
if (items[0] instanceof IJavaProject) {
try {
RepositoryAnalyzer.resetMIIdGen();
IJavaProject project = (IJavaProject) items[0];
String codesamples_dir_local = codesamples_dir + project.getElementName().toString();
ra.setLibProject(project);
ParseSrcFiles psf = new ParseSrcFiles();
psf.parseSources(project);
loadPackageInfoToMemory(project);
/*Debugging section for getting list of classes*/
try {
BufferedWriter bw = new BufferedWriter(new FileWriter("APIList.txt"));
for (Iterator iter = ra.getLibClassMap().values().iterator(); iter.hasNext(); ) {
LibClassHolder lcc = (LibClassHolder) iter.next();
bw.write(lcc.getName() + "#");
for (LibMethodHolder lmh : lcc.getMethods()) {
bw.write(lmh.toString() + "#");
}
bw.write("\n");
}
bw.close();
} catch (Exception ex) {
ex.printStackTrace();
}
/*End of Debug Section*/
// Analysing code samples collected from Google code search engine
RepositoryCreator rcObj = new RepositoryCreator();
rcObj.createLocalRepos(codesamples_dir_local);
logger.debug("Finished downloading files...");
ra.analyzeRepository(codesamples_dir_local);
// Debugging output of all collected sequences from the samples
logger.info("Outputting all gathered sequenes...");
List<String> seqList = ra.getMethodIDSequences();
BufferedWriter bw = new BufferedWriter(new FileWriter("MethodSequences.txt"));
int counter = 0;
for (String sequence : seqList) {
counter++;
bw.write("Sequence " + counter + "\n");
String elementArr[] = sequence.split(" ");
for (String elem : elementArr) {
LibMethodHolder lmh = ra.getIdToLibMethod().get(Integer.parseInt(elem));
bw.write(
"\t "
+ /*lmh.getDescriptor() + " : " +*/ lmh.getContainingClass().getName()
+ " : "
+ lmh
+ "\n");
}
}
bw.close();
// End of debugging output
// MAFIA: Writing files for mining (mcseq.txt and mcseq.spec)
/*List<String> seqIDList = ra.getMethodIDSequences();
BufferedWriter bwBideMcSeq = new BufferedWriter(new FileWriter("mcseq.txt"));
int seqCounter = 0, maxLen = 0, totalSeqLength = 0;
for(String IDSequence : seqIDList)
{
bwBideMcSeq.write(IDSequence + " \n");
seqCounter++;
if(IDSequence.length() > maxLen)
maxLen = IDSequence.length();
totalSeqLength += IDSequence.length();
}
bwBideMcSeq.write(" \n");
bwBideMcSeq.close();
//End of Mafia output
//Executing Mafia tool
try
{
Runtime javaRuntime = Runtime.getRuntime();
String command = "mafia.exe -mfi .008 -ascii mcseq.txt frequent.dat ";
@SuppressWarnings("unused")
Process bideProcess = javaRuntime.exec(command);
Thread.sleep(60 * 1000); //TODO: To replace with WAIT later
//bideProcess.waitFor(); //NOTE: This method hangs if the process initiated process any console output and it is not consumed
}
catch(Exception ex)
{
logger.error("Error in executing MAFIA!!!" + ex);
}
//Reading the BIDE output: Each frequent sequence must include only APIs categorized
//as hotspots
HashSet<Integer> hotspotSet = new HashSet<Integer>();
BufferedWriter bw_freqSeq = new BufferedWriter(new FileWriter("FrequentSeq.txt"));
Scanner bide_out = new Scanner(new File("frequent.dat"));
HashSet<CodeExampleStore> codeExampleStore = RepositoryAnalyzer.getInstance().getCodeExampleSet();
int fcounter = 0;
while(bide_out.hasNextLine())
{
fcounter++;
String freqSeq = bide_out.nextLine();
String[] freqSeqList = (freqSeq.substring(0,freqSeq.indexOf("("))).split(" ");
bw_freqSeq.write("Frequent Usage Scenario: " + fcounter + "\n");
HashSet<Integer> currentSeqSet = new HashSet<Integer>();
String scenarioType = "InvokesUS";
for(String miId : freqSeqList)
{
Integer intObj = new Integer(miId);
hotspotSet.add(intObj);
currentSeqSet.add(intObj);
LibMethodHolder lmh = ra.getIdToLibMethod().get(intObj);
bw_freqSeq.write("\t " + lmh.getContainingClass().getName() + " : " + lmh + "\n");
if(lmh.getName().indexOf("ExtendsClass") != -1) {
scenarioType = "ExtendsUS";
}
if(lmh.getName().indexOf("ImplementsInterface") != -1) {
scenarioType = "ImplementsUS";
}
//if((lmh.getMethodType() & LibMethodHolder.TEMPLATE) == 0 && (lmh.getMethodType() & LibMethodHolder.HOOK) != 0)
//{
// logger.warn("Warning: Hook method appeared in main sequence " + lmh);
//}
//Get the corresponding hook hotspots
//HashSet<LibMethodHolder> methodsInvoked = lmh.getInvokedMethods();
//for(LibMethodHolder invokedLMH : methodsInvoked)
//{
// if((invokedLMH.getMethodType() & LibMethodHolder.TEMPLATE) == 0 && (invokedLMH.getMethodType() & LibMethodHolder.HOOK) != 0)
// {
// bw_freqSeq.write("\t\tStrict Hook: " + invokedLMH.getContainingClass().getName() + " : " + invokedLMH + "\n");
// } else if ((invokedLMH.getMethodType() & LibMethodHolder.HOOK) != 0)
// {
// bw_freqSeq.write("\t\tOptional Hook: " + invokedLMH.getContainingClass().getName() + " : " + invokedLMH + "\n");
// }
//}
}
bw_freqSeq.write("Scenario Type : " + scenarioType);
//Identify the equivalent example
for(CodeExampleStore cesObj : codeExampleStore) {
if(cesObj.methodIds.containsAll(currentSeqSet))
{
bw_freqSeq.write(" FileName : " + cesObj.filename + " MethodName : " + cesObj.methodname + "\n");
break;
}
}
}
bide_out.close();
bw_freqSeq.close();
logger.info("Number of Final Hotspots: " + hotspotSet.size());
logger.info("Hotspot IDs: " + hotspotSet);
*/
// Freeing the memory
RepositoryAnalyzer.clearInstance();
} catch (Throwable th) {
th.printStackTrace();
}
} else {
logger.error("ERROR: This should be run only on a Java project");
}
}