private void searchForTypesUsed(
SearchEngine engine, IJavaElement parent, IType[] types, IJavaSearchScope scope)
throws CoreException {
for (int i = 0; i < types.length; i++) {
if (types[i].isAnonymous()) continue;
TypeReferenceSearchRequestor requestor = new TypeReferenceSearchRequestor();
engine.search(
SearchPattern.createPattern(types[i], IJavaSearchConstants.REFERENCES),
new SearchParticipant[] {SearchEngine.getDefaultSearchParticipant()},
scope,
requestor,
null);
if (requestor.containMatches()) {
TypeDeclarationSearchRequestor decRequestor = new TypeDeclarationSearchRequestor();
engine.search(
SearchPattern.createPattern(types[i], IJavaSearchConstants.DECLARATIONS),
new SearchParticipant[] {SearchEngine.getDefaultSearchParticipant()},
SearchEngine.createJavaSearchScope(new IJavaElement[] {parent}),
decRequestor,
null);
Match match = decRequestor.getMatch();
if (match != null) fSearchResult.addMatch(match);
}
}
}
void goToErrorLine(String choice) {
try {
String msg = mLogPanel.getSelectedErrorLineMessage();
if (msg != null) {
String error_line_matcher_string = "\\s*at\\ (.*)\\((.*)\\.java\\:(\\d+)\\)";
Matcher error_line_matcher = Pattern.compile(error_line_matcher_string).matcher(msg);
if (error_line_matcher.find()) {
String class_name_method = error_line_matcher.group(1);
// TODO: Search currently only matches the class declaration (using
// IJavaSearchConstants.DECLARATIONS). We may want to jump to the
// "reference" of the class instead (IJavaSearchConstants.REFERENCES)
// using the filename and line number to disambiguate the search results.
String class_name_line = error_line_matcher.group(2);
int line_number = Integer.parseInt(error_line_matcher.group(3));
SearchEngine se = new SearchEngine();
if (CHOICE_ERROR_LINE.equals(choice)) {
se.search(
SearchPattern.createPattern(
class_name_line,
IJavaSearchConstants.CLASS,
IJavaSearchConstants.DECLARATIONS,
SearchPattern.R_EXACT_MATCH | SearchPattern.R_CASE_SENSITIVE),
new SearchParticipant[] {SearchEngine.getDefaultSearchParticipant()},
SearchEngine.createWorkspaceScope(),
new LogCatViewSearchRequestor(CHOICE_ERROR_LINE, line_number),
new NullProgressMonitor());
} else if (CHOICE_METHOD_DECLARATION.equals(choice)) {
se.search(
SearchPattern.createPattern(
class_name_method,
IJavaSearchConstants.METHOD,
IJavaSearchConstants.DECLARATIONS,
SearchPattern.R_EXACT_MATCH | SearchPattern.R_CASE_SENSITIVE),
new SearchParticipant[] {SearchEngine.getDefaultSearchParticipant()},
SearchEngine.createWorkspaceScope(),
new LogCatViewSearchRequestor(CHOICE_METHOD_DECLARATION, 0),
new NullProgressMonitor());
}
}
}
} catch (Exception e) {
Status s = new Status(Status.ERROR, DdmsPlugin.PLUGIN_ID, e.getMessage(), e);
DdmsPlugin.getDefault().getLog().log(s);
}
}
/**
* Performs a search using the given pattern, scope and handler. The search will abort if it takes
* longer than {@link #SEARCH_TIMEOUT_MS} milliseconds.
*/
private static void search(
SearchRequestor requestor, IJavaProject javaProject, SearchPattern pattern)
throws CoreException {
// Find the package fragment specified in the manifest; the activities should
// live there.
IJavaSearchScope scope = createPackageScope(javaProject);
SearchParticipant[] participants =
new SearchParticipant[] {SearchEngine.getDefaultSearchParticipant()};
SearchEngine engine = new SearchEngine();
final long searchStart = System.currentTimeMillis();
NullProgressMonitor monitor =
new NullProgressMonitor() {
private boolean mCancelled;
@Override
public void internalWorked(double work) {
long searchEnd = System.currentTimeMillis();
if (searchEnd - searchStart > SEARCH_TIMEOUT_MS) {
mCancelled = true;
}
}
@Override
public boolean isCanceled() {
return mCancelled;
}
};
engine.search(pattern, participants, scope, requestor, monitor);
}
/** This method is extremely expensive. */
@OnEclipseVersionUpgrade("Replace monitor.newChild(1) by monitor.split(1)")
private boolean isMethodUsedInItsPackage(IMethodBinding methodBinding, MethodDeclaration node) {
final IPackageBinding methodPackage = methodBinding.getDeclaringClass().getPackage();
final AtomicBoolean methodIsUsedInPackage = new AtomicBoolean(false);
final SearchRequestor requestor =
new SearchRequestor() {
@Override
public void acceptSearchMatch(SearchMatch match) {
methodIsUsedInPackage.set(true);
}
};
final SubMonitor subMonitor = SubMonitor.convert(ctx.getProgressMonitor(), 1);
final SubMonitor childMonitor = subMonitor.newChild(1);
try {
final SearchEngine searchEngine = new SearchEngine();
searchEngine.search(
createPattern(methodBinding.getJavaElement(), REFERENCES, R_EXACT_MATCH),
new SearchParticipant[] {SearchEngine.getDefaultSearchParticipant()},
SearchEngine.createJavaSearchScope(new IJavaElement[] {methodPackage.getJavaElement()}),
requestor,
childMonitor);
return methodIsUsedInPackage.get();
} catch (CoreException e) {
throw new UnhandledException(node, e);
} finally {
childMonitor.done();
}
}
/**
* @param packageNames
* @return
*/
private List getPackageFragments(List packageNames) {
monitor.subTask("Finding Packages in tangle");
SearchEngine searchEngine = new SearchEngine();
IJavaSearchScope scope = SearchEngine.createWorkspaceScope();
SearchPattern pattern =
SearchPattern.createPattern(
"*",
IJavaSearchConstants.PACKAGE,
IJavaSearchConstants.DECLARATIONS,
SearchPattern.R_PATTERN_MATCH);
PackageCollector c = new PackageCollector(packageNames);
try {
searchEngine.search(
pattern,
new SearchParticipant[] {SearchEngine.getDefaultSearchParticipant()},
scope,
c,
monitor);
monitor.worked(100);
return c.getResult();
} catch (CoreException e) {
e.printStackTrace();
return new ArrayList();
}
}
private void searchPackage(String matchString, IJavaSearchScope scope, SearchRequestor requestor)
throws CoreException {
SearchPattern pattern =
SearchPattern.createPattern(
matchString + "*",
IJavaSearchConstants.PACKAGE,
IJavaSearchConstants.DECLARATIONS,
SearchPattern.R_PREFIX_MATCH);
SearchEngine searchEngine = new SearchEngine();
searchEngine.search(
pattern,
new SearchParticipant[] {SearchEngine.getDefaultSearchParticipant()},
scope,
requestor,
null);
}
public static IJavaElement searchForClass(IJavaProject javaProject, String className)
throws JavaModelException {
// Get the search pattern
SearchPattern pattern =
SearchPattern.createPattern(
className,
IJavaSearchConstants.TYPE,
IJavaSearchConstants.DECLARATIONS,
SearchPattern.R_EXACT_MATCH | SearchPattern.R_CASE_SENSITIVE);
// Get the search scope
IJavaSearchScope scope = SearchEngine.createJavaSearchScope(new IJavaElement[] {javaProject});
final List<SearchMatch> matches = new ArrayList<SearchMatch>(INITIAL_CAPACITY);
// Get the search requestor
SearchRequestor requestor =
new SearchRequestor() {
public void acceptSearchMatch(SearchMatch match) throws CoreException {
matches.add(match);
}
};
// Search
SearchEngine searchEngine = new SearchEngine();
try {
searchEngine.search(
pattern,
new SearchParticipant[] {SearchEngine.getDefaultSearchParticipant()},
scope,
requestor,
null);
} catch (CoreException ex) {
JspEditorPlugin.getPluginLog().logError(ex);
}
for (SearchMatch match : matches) {
IJavaElement element = (IJavaElement) match.getElement();
if (element instanceof IType
&& className.equals(((IType) element).getFullyQualifiedName('.'))) {
return element;
}
}
return javaProject.findType(className, new NullProgressMonitor());
}
/**
* @param packages
* @return
*/
private void getDependencies(List packages) {
try {
SearchEngine searchEngine = new SearchEngine();
// fill in the packageName->{IType}* map by getting all type declarations in scope
IJavaElement[] packs = (IJavaElement[]) packages.toArray(new IJavaElement[] {});
IJavaSearchScope scope = SearchEngine.createJavaSearchScope(packs);
SearchPattern pattern =
SearchPattern.createPattern(
"*",
IJavaSearchConstants.TYPE,
IJavaSearchConstants.DECLARATIONS,
SearchPattern.R_PATTERN_MATCH);
TypeCollector c = new TypeCollector(result);
monitor.subTask("Collecting types in packages");
searchEngine.search(
pattern,
new SearchParticipant[] {SearchEngine.getDefaultSearchParticipant()},
scope,
c,
monitor);
if (monitor.isCanceled()) return;
// get all type references to these types.
// Have to do multiple searches to get proper relationship :-(
Set typesInScope = result.keySet();
monitor.worked(400);
monitor.subTask("Collecting type dependencies");
int scale = 500 / typesInScope.size();
for (Iterator i = typesInScope.iterator(); i.hasNext(); ) {
if (monitor.isCanceled()) return;
String handle = (String) i.next();
IJavaElement type = JavaCore.create(handle);
searchEngine.searchDeclarationsOfReferencedTypes(
type, new RefCollector((Set) result.get(handle), typesInScope, type), monitor);
monitor.worked(scale);
}
} catch (CoreException e) {
e.printStackTrace();
}
}
private Pair<List<String>, List<String>> findViews(final boolean layoutsOnly) {
final Set<String> customViews = new HashSet<String>();
final Set<String> thirdPartyViews = new HashSet<String>();
ProjectState state = Sdk.getProjectState(mProject);
final List<IProject> libraries =
state != null ? state.getFullLibraryProjects() : Collections.<IProject>emptyList();
SearchRequestor requestor =
new SearchRequestor() {
@Override
public void acceptSearchMatch(SearchMatch match) throws CoreException {
// Ignore matches in comments
if (match.isInsideDocComment()) {
return;
}
Object element = match.getElement();
if (element instanceof ResolvedBinaryType) {
// Third party view
ResolvedBinaryType type = (ResolvedBinaryType) element;
IPackageFragment fragment = type.getPackageFragment();
IPath path = fragment.getPath();
String last = path.lastSegment();
// Filter out android.jar stuff
if (last.equals(FN_FRAMEWORK_LIBRARY)) {
return;
}
if (!isValidView(type, layoutsOnly)) {
return;
}
IProject matchProject = match.getResource().getProject();
if (mProject == matchProject || libraries.contains(matchProject)) {
String fqn = type.getFullyQualifiedName();
thirdPartyViews.add(fqn);
}
} else if (element instanceof ResolvedSourceType) {
// User custom view
IProject matchProject = match.getResource().getProject();
if (mProject == matchProject || libraries.contains(matchProject)) {
ResolvedSourceType type = (ResolvedSourceType) element;
if (!isValidView(type, layoutsOnly)) {
return;
}
String fqn = type.getFullyQualifiedName();
fqn = fqn.replace('$', '.');
customViews.add(fqn);
}
}
}
};
try {
IJavaProject javaProject = BaseProjectHelper.getJavaProject(mProject);
if (javaProject != null) {
String className = layoutsOnly ? CLASS_VIEWGROUP : CLASS_VIEW;
IType viewType = javaProject.findType(className);
if (viewType != null) {
IJavaSearchScope scope = SearchEngine.createHierarchyScope(viewType);
SearchParticipant[] participants =
new SearchParticipant[] {SearchEngine.getDefaultSearchParticipant()};
int matchRule = SearchPattern.R_PATTERN_MATCH | SearchPattern.R_CASE_SENSITIVE;
SearchPattern pattern =
SearchPattern.createPattern(
"*", IJavaSearchConstants.CLASS, IJavaSearchConstants.IMPLEMENTORS, matchRule);
SearchEngine engine = new SearchEngine();
engine.search(pattern, participants, scope, requestor, new NullProgressMonitor());
}
}
} catch (CoreException e) {
AdtPlugin.log(e, null);
}
List<String> custom = new ArrayList<String>(customViews);
List<String> thirdParty = new ArrayList<String>(thirdPartyViews);
if (!layoutsOnly) {
// Update our cached answers (unless we were filtered on only layouts)
mCustomViews = custom;
mThirdPartyViews = thirdParty;
}
return Pair.of(custom, thirdParty);
}
private SearchResultGroup[] batchFindNewOccurrences(
IMethod[] wcNewMethods,
final IMethod[] wcOldMethods,
ICompilationUnit[] newDeclarationWCs,
IProgressMonitor pm,
RefactoringStatus status)
throws CoreException {
pm.beginTask("", 2); // $NON-NLS-1$
SearchPattern refsPattern =
RefactoringSearchEngine.createOrPattern(wcNewMethods, IJavaSearchConstants.REFERENCES);
SearchParticipant[] searchParticipants = SearchUtils.getDefaultSearchParticipants();
IJavaSearchScope scope = RefactoringScopeFactory.create(wcNewMethods);
MethodOccurenceCollector requestor;
if (getDelegateUpdating()) {
// There will be two new matches inside the delegate(s) (the invocation
// and the javadoc) which are OK and must not be reported.
// Note that except these ocurrences, the delegate bodies are empty
// (as they were created this way).
requestor =
new MethodOccurenceCollector(getNewElementName()) {
@Override
public void acceptSearchMatch(ICompilationUnit unit, SearchMatch match)
throws CoreException {
for (int i = 0; i < wcOldMethods.length; i++)
if (wcOldMethods[i].equals(match.getElement())) return;
super.acceptSearchMatch(unit, match);
}
};
} else requestor = new MethodOccurenceCollector(getNewElementName());
SearchEngine searchEngine = new SearchEngine(fWorkingCopyOwner);
ArrayList<ICompilationUnit> needWCs = new ArrayList<>();
HashSet<ICompilationUnit> declaringCUs = new HashSet<>(newDeclarationWCs.length);
for (int i = 0; i < newDeclarationWCs.length; i++)
declaringCUs.add(newDeclarationWCs[i].getPrimary());
for (int i = 0; i < fOccurrences.length; i++) {
ICompilationUnit cu = fOccurrences[i].getCompilationUnit();
if (!declaringCUs.contains(cu)) needWCs.add(cu);
}
ICompilationUnit[] otherWCs = null;
try {
otherWCs =
RenameAnalyzeUtil.createNewWorkingCopies(
needWCs.toArray(new ICompilationUnit[needWCs.size()]),
fChangeManager,
fWorkingCopyOwner,
new SubProgressMonitor(pm, 1));
searchEngine.search(
refsPattern, searchParticipants, scope, requestor, new SubProgressMonitor(pm, 1));
} finally {
pm.done();
if (otherWCs != null) {
for (int i = 0; i < otherWCs.length; i++) {
otherWCs[i].discardWorkingCopy();
}
}
}
SearchResultGroup[] newResults =
RefactoringSearchEngine.groupByCu(requestor.getResults(), status);
return newResults;
}
