Java Code Examples for org.eclipse.jdt.core.search.SearchMatch#getAccuracy()

@Override
public final void acceptSearchMatch(final SearchMatch match) throws CoreException {
	final SearchMatch accepted= fRequestor.acceptSearchMatch(match);
	if (accepted != null) {
		final IResource resource= accepted.getResource();
		if (!resource.equals(fLastResource)) {
			final IJavaElement element= JavaCore.create(resource);
			if (element instanceof ICompilationUnit) {
				fCollectedUnits.add((ICompilationUnit) element);
			}
		}
		if (fInaccurate && accepted.getAccuracy() == SearchMatch.A_INACCURATE && !fInaccurateMatches.contains(accepted)) {
			fStatus.addEntry(fSeverity, Messages.format(RefactoringCoreMessages.RefactoringSearchEngine_inaccurate_match, BasicElementLabels.getResourceName(accepted.getResource())), null, null, RefactoringStatusEntry.NO_CODE);
			fInaccurateMatches.add(accepted);
		}
	}
}
 

@Override
public final void acceptSearchMatch(final SearchMatch match) throws CoreException {
	final SearchMatch accepted= fRequestor.acceptSearchMatch(match);
	if (accepted != null) {
		fCollectedMatches.add(accepted);
		final IResource resource= accepted.getResource();
		if (!resource.equals(fLastResource)) {
			if (fBinary) {
				final IJavaElement element= JavaCore.create(resource);
				if (!(element instanceof ICompilationUnit)) {
					final IProject project= resource.getProject();
					if (!fGrouping) {
						fStatus.addEntry(fSeverity, Messages.format(RefactoringCoreMessages.RefactoringSearchEngine_binary_match_ungrouped, BasicElementLabels.getResourceName(project)), null, null, RefactoringStatusEntry.NO_CODE);
					} else if (!fBinaryResources.contains(resource)) {
						fStatus.addEntry(fSeverity, Messages.format(RefactoringCoreMessages.RefactoringSearchEngine_binary_match_grouped, BasicElementLabels.getResourceName(project)), null, null, RefactoringStatusEntry.NO_CODE);
					}
					fBinaryResources.add(resource);
				}
			}
			if (fInaccurate && accepted.getAccuracy() == SearchMatch.A_INACCURATE && !fInaccurateMatches.contains(accepted)) {
				fStatus.addEntry(fSeverity, Messages.format(RefactoringCoreMessages.RefactoringSearchEngine_inaccurate_match, BasicElementLabels.getResourceName(resource)), null, null, RefactoringStatusEntry.NO_CODE);
				fInaccurateMatches.add(accepted);
			}
		}
	}
}
 

@Override
public final void acceptSearchMatch(final SearchMatch match) throws CoreException {
	final SearchMatch accepted= fRequestor.acceptSearchMatch(match);
	if (accepted != null) {
		final IResource resource= accepted.getResource();
		if (!resource.equals(fLastResource)) {
			final IJavaElement element= JavaCore.create(resource);
			if (element instanceof ICompilationUnit)
				fCollectedUnits.add((ICompilationUnit) element);
		}
		if (fInaccurate && accepted.getAccuracy() == SearchMatch.A_INACCURATE && !fInaccurateMatches.contains(accepted)) {
			fStatus.addEntry(fSeverity, Messages.format(RefactoringCoreMessages.RefactoringSearchEngine_inaccurate_match, BasicElementLabels.getResourceName(accepted.getResource())), null, null, RefactoringStatusEntry.NO_CODE);
			fInaccurateMatches.add(accepted);
		}
	}
}
 

@Override
public final void acceptSearchMatch(final SearchMatch match) throws CoreException {
	final SearchMatch accepted= fRequestor.acceptSearchMatch(match);
	if (accepted != null) {
		fCollectedMatches.add(accepted);
		final IResource resource= accepted.getResource();
		if (!resource.equals(fLastResource)) {
			if (fBinary) {
				final IJavaElement element= JavaCore.create(resource);
				if (!(element instanceof ICompilationUnit)) {
					final IProject project= resource.getProject();
					if (!fGrouping)
						fStatus.addEntry(fSeverity, Messages.format(RefactoringCoreMessages.RefactoringSearchEngine_binary_match_ungrouped, BasicElementLabels.getResourceName(project)), null, null, RefactoringStatusEntry.NO_CODE);
					else if (!fBinaryResources.contains(resource))
						fStatus.addEntry(fSeverity, Messages.format(RefactoringCoreMessages.RefactoringSearchEngine_binary_match_grouped, BasicElementLabels.getResourceName(project)), null, null, RefactoringStatusEntry.NO_CODE);
					fBinaryResources.add(resource);
				}
			}
			if (fInaccurate && accepted.getAccuracy() == SearchMatch.A_INACCURATE && !fInaccurateMatches.contains(accepted)) {
				fStatus.addEntry(fSeverity, Messages.format(RefactoringCoreMessages.RefactoringSearchEngine_inaccurate_match, BasicElementLabels.getResourceName(resource)), null, null, RefactoringStatusEntry.NO_CODE);
				fInaccurateMatches.add(accepted);
			}
		}
	}
}
 

@Override
public void acceptSearchMatch(SearchMatch match) {
       if (fRequireExactMatch && (match.getAccuracy() != SearchMatch.A_ACCURATE)) {
           return;
       }

       if (match.isInsideDocComment()) {
           return;
       }

       if (match.getElement() != null && match.getElement() instanceof IMember) {
           IMember member= (IMember) match.getElement();
           switch (member.getElementType()) {
               case IJavaElement.METHOD:
               case IJavaElement.TYPE:
               case IJavaElement.FIELD:
               case IJavaElement.INITIALIZER:
                   fSearchResults.addMember(member, member, match.getOffset(), match.getOffset()+match.getLength());
                   break;
           }
       }
   }
 

@Override
public void acceptSearchMatch(SearchMatch match) throws CoreException {
	if (filterMatch(match)) {
		return;
	}

	/*
	 * Processing is done in collector to reuse the buffer which was
	 * already required by the search engine to locate the matches.
	 */
	// [start, end[ include qualification.
	IJavaElement element = SearchUtils.getEnclosingJavaElement(match);
	int accuracy = match.getAccuracy();
	int start = match.getOffset();
	int length = match.getLength();
	boolean insideDocComment = match.isInsideDocComment();
	IResource res = match.getResource();
	if (element.getAncestor(IJavaElement.IMPORT_DECLARATION) != null) {
		collectMatch(TypeReference.createImportReference(element, accuracy, start, length, insideDocComment, res));
	} else {
		ICompilationUnit unit = (ICompilationUnit) element.getAncestor(IJavaElement.COMPILATION_UNIT);
		if (unit != null) {
			IBuffer buffer = unit.getBuffer();
			String matchText = buffer.getText(start, length);
			if (fSource.isDefaultPackage()) {
				collectMatch(TypeReference.createSimpleReference(element, accuracy, start, length, insideDocComment, res, matchText));
			} else {
				// assert: matchText doesn't start nor end with comment
				int simpleNameStart = getLastSimpleNameStart(matchText);
				if (simpleNameStart != 0) {
					collectMatch(TypeReference.createQualifiedReference(element, accuracy, start, length, insideDocComment, res, start + simpleNameStart));
				} else {
					collectMatch(TypeReference.createSimpleReference(element, accuracy, start, length, insideDocComment, res, matchText));
				}
			}
		}
	}
}
 

public static ICompilationUnit[] findAffectedCompilationUnits(SearchPattern pattern, IJavaSearchScope scope, final IProgressMonitor pm, RefactoringStatus status, final boolean tolerateInAccurateMatches) throws JavaModelException {

		boolean hasNonCuMatches = false;

		class ResourceSearchRequestor extends SearchRequestor {
			boolean hasPotentialMatches = false;
			Set<IResource> resources = new HashSet<>(5);
			private IResource fLastResource;

			@Override
			public void acceptSearchMatch(SearchMatch match) {
				if (!tolerateInAccurateMatches && match.getAccuracy() == SearchMatch.A_INACCURATE) {
					hasPotentialMatches = true;
				}
				if (fLastResource != match.getResource()) {
					fLastResource = match.getResource();
					resources.add(fLastResource);
				}
			}
		}
		ResourceSearchRequestor requestor = new ResourceSearchRequestor();
		try {
			new SearchEngine().search(pattern, SearchUtils.getDefaultSearchParticipants(), scope, requestor, pm);
		} catch (CoreException e) {
			throw new JavaModelException(e);
		}

		List<IJavaElement> result = new ArrayList<>(requestor.resources.size());
		for (Iterator<IResource> iter = requestor.resources.iterator(); iter.hasNext();) {
			IResource resource = iter.next();
			IJavaElement element = JavaCore.create(resource);
			if (element instanceof ICompilationUnit) {
				result.add(element);
			} else {
				hasNonCuMatches = true;
			}
		}
		addStatusErrors(status, requestor.hasPotentialMatches, hasNonCuMatches);
		return result.toArray(new ICompilationUnit[result.size()]);
	}
 

/**
 * Returns whether the given match should be filtered out.
 * The default implementation filters out matches in binaries iff
 * {@link #CollectingSearchRequestor(ReferencesInBinaryContext)} has been called with a
 * non-<code>null</code> argument. Accurate binary matches are added to the {@link ReferencesInBinaryContext}.
 *
 * @param match the match to test
 * @return <code>true</code> iff the given match should <em>not</em> be collected
 * @throws CoreException
 */
public boolean filterMatch(SearchMatch match) throws CoreException {
	if (fBinaryRefs == null) {
		return false;
	}

	if (match.getAccuracy() == SearchMatch.A_ACCURATE && isBinaryElement(match.getElement())) {
		// binary classpaths are often incomplete -> avoiding false positives from inaccurate matches
		fBinaryRefs.add(match);
		return true;
	}

	return false;
}
 

@Override
public ICompilationUnit[] getAffectedCompilationUnits(final RefactoringStatus status, ReferencesInBinaryContext binaryRefs, IProgressMonitor pm) throws CoreException {
	IMethod method= (IMethod)fMethodBinding.getJavaElement();
	Assert.isTrue(method != null);

	SearchPattern pattern= SearchPattern.createPattern(method, IJavaSearchConstants.REFERENCES, SearchUtils.GENERICS_AGNOSTIC_MATCH_RULE);
	IJavaSearchScope scope= RefactoringScopeFactory.create(method, true, false);
	final HashSet<ICompilationUnit> affectedCompilationUnits= new HashSet<ICompilationUnit>();
	CollectingSearchRequestor requestor= new CollectingSearchRequestor(binaryRefs) {
		private ICompilationUnit fLastCU;
		@Override
		public void acceptSearchMatch(SearchMatch match) throws CoreException {
			if (filterMatch(match))
				return;
			if (match.isInsideDocComment())
				return; // TODO: should warn user (with something like a ReferencesInBinaryContext)

			ICompilationUnit unit= SearchUtils.getCompilationUnit(match);
			if (match.getAccuracy() == SearchMatch.A_INACCURATE) {
				if (unit != null) {
					status.addError(RefactoringCoreMessages.TargetProvider_inaccurate_match,
						JavaStatusContext.create(unit, new SourceRange(match.getOffset(), match.getLength())));
				} else {
					status.addError(RefactoringCoreMessages.TargetProvider_inaccurate_match);
				}
			} else if (unit != null) {
				if (! unit.equals(fLastCU)) {
					fLastCU= unit;
					affectedCompilationUnits.add(unit);
				}
			}
		}
	};
	new SearchEngine().search(pattern, SearchUtils.getDefaultSearchParticipants(), scope, requestor, new SubProgressMonitor(pm, 1));
	return affectedCompilationUnits.toArray(new ICompilationUnit[affectedCompilationUnits.size()]);
}
 

@Override
public void acceptSearchMatch(SearchMatch match) throws CoreException {
	if (filterMatch(match))
		return;

	/*
	 * Processing is done in collector to reuse the buffer which was
	 * already required by the search engine to locate the matches.
	 */
	// [start, end[ include qualification.
	IJavaElement element= SearchUtils.getEnclosingJavaElement(match);
	int accuracy= match.getAccuracy();
	int start= match.getOffset();
	int length= match.getLength();
	boolean insideDocComment= match.isInsideDocComment();
	IResource res= match.getResource();
	if (element.getAncestor(IJavaElement.IMPORT_DECLARATION) != null) {
		collectMatch(TypeReference.createImportReference(element, accuracy, start, length, insideDocComment, res));
	} else {
		ICompilationUnit unit= (ICompilationUnit) element.getAncestor(IJavaElement.COMPILATION_UNIT);
		if (unit != null) {
			IBuffer buffer= unit.getBuffer();
			String matchText= buffer.getText(start, length);
			if (fSource.isDefaultPackage()) {
				collectMatch(TypeReference.createSimpleReference(element, accuracy, start, length, insideDocComment, res, matchText));
			} else {
				// assert: matchText doesn't start nor end with comment
				int simpleNameStart= getLastSimpleNameStart(matchText);
				if (simpleNameStart != 0) {
					collectMatch(TypeReference.createQualifiedReference(element, accuracy, start, length, insideDocComment, res, start + simpleNameStart));
				} else {
					collectMatch(TypeReference.createSimpleReference(element, accuracy, start, length, insideDocComment, res, matchText));
				}
			}
		}
	}
}
 

/**
 * Returns whether the given match should be filtered out.
 * The default implementation filters out matches in binaries iff
 * {@link #CollectingSearchRequestor(ReferencesInBinaryContext)} has been called with a
 * non-<code>null</code> argument. Accurate binary matches are added to the {@link ReferencesInBinaryContext}.
 *
 * @param match the match to test
 * @return <code>true</code> iff the given match should <em>not</em> be collected
 * @throws CoreException
 */
public boolean filterMatch(SearchMatch match) throws CoreException {
	if (fBinaryRefs == null)
		return false;

	if (match.getAccuracy() == SearchMatch.A_ACCURATE && isBinaryElement(match.getElement())) {
		// binary classpaths are often incomplete -> avoiding false positives from inaccurate matches
		fBinaryRefs.add(match);
		return true;
	}

	return false;
}
 

@Override
public void acceptSearchMatch(SearchMatch match) throws CoreException {
	IJavaElement enclosingElement= (IJavaElement) match.getElement();
	if (enclosingElement != null) {
		if (fIgnorePotentials && (match.getAccuracy() == SearchMatch.A_INACCURATE))
			return;
		boolean isWriteAccess= false;
		boolean isReadAccess= false;
		if (match instanceof FieldReferenceMatch) {
			FieldReferenceMatch fieldRef= ((FieldReferenceMatch) match);
			isWriteAccess= fieldRef.isWriteAccess();
			isReadAccess= fieldRef.isReadAccess();
		} else if (match instanceof FieldDeclarationMatch) {
			isWriteAccess= true;
		} else if (match instanceof LocalVariableReferenceMatch) {
			LocalVariableReferenceMatch localVarRef= ((LocalVariableReferenceMatch) match);
			isWriteAccess= localVarRef.isWriteAccess();
			isReadAccess= localVarRef.isReadAccess();
		} else if (match instanceof LocalVariableDeclarationMatch) {
			isWriteAccess= true;
		}
		boolean isSuperInvocation= false;
		if (match instanceof MethodReferenceMatch) {
			MethodReferenceMatch methodRef= (MethodReferenceMatch) match;
			isSuperInvocation= methodRef.isSuperInvocation();
		}
		fSearch.addMatch(new JavaElementMatch(enclosingElement, match.getRule(), match.getOffset(), match.getLength(), match.getAccuracy(), isReadAccess, isWriteAccess, match.isInsideDocComment(), isSuperInvocation));
	}
}
 

@Override
public void acceptSearchMatch(ICompilationUnit unit, SearchMatch match) throws CoreException {
	if (match instanceof MethodReferenceMatch
			&& ((MethodReferenceMatch) match).isSuperInvocation()
			&& match.getAccuracy() == SearchMatch.A_INACCURATE) {
		return; // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=156491
	}

	if (match.isImplicit()) { // see bug 94062
		collectMatch(match);
		return;
	}

	int start= match.getOffset();
	int length= match.getLength();
	String matchText= unit.getBuffer().getText(start, length);

	//direct match:
	if (fName.equals(matchText)) {
		collectMatch(match);
		return;
	}

	// lambda expression
	if (match instanceof MethodDeclarationMatch
			&& match.getElement() instanceof IMethod
			&& ((IMethod) match.getElement()).isLambdaMethod()) {
		// don't touch the lambda
		return;
	}

	//Not a standard reference -- use scanner to find last identifier token before left parenthesis:
	IScanner scanner= getScanner(unit);
	scanner.setSource(matchText.toCharArray());
	int simpleNameStart= -1;
	int simpleNameEnd= -1;
	try {
		int token = scanner.getNextToken();
		while (token != ITerminalSymbols.TokenNameEOF && token != ITerminalSymbols.TokenNameLPAREN) { // reference in code includes arguments in parentheses
			if (token == InternalTokenNameIdentifier) {
				simpleNameStart= scanner.getCurrentTokenStartPosition();
				simpleNameEnd= scanner.getCurrentTokenEndPosition();
			}
			token = scanner.getNextToken();
		}
	} catch (InvalidInputException e){
		//ignore
	}
	if (simpleNameStart != -1) {
		match.setOffset(start + simpleNameStart);
		match.setLength(simpleNameEnd + 1 - simpleNameStart);
	}
	collectMatch(match);
}
 

private List<T> findMethodImplementations(IProgressMonitor monitor) throws CoreException {
	IMethod method = (IMethod) javaElement;
	try {
		if (cannotBeOverriddenMethod(method)) {
			return null;
		}
	} catch (JavaModelException e) {
		JavaLanguageServerPlugin.logException("Find method implementations failure ", e);
		return null;
	}

	CompilationUnit ast = CoreASTProvider.getInstance().getAST(typeRoot, CoreASTProvider.WAIT_YES, monitor);
	if (ast == null) {
		return null;
	}

	ASTNode node = NodeFinder.perform(ast, region.getOffset(), region.getLength());
	ITypeBinding parentTypeBinding = null;
	if (node instanceof SimpleName) {
		ASTNode parent = node.getParent();
		if (parent instanceof MethodInvocation) {
			Expression expression = ((MethodInvocation) parent).getExpression();
			if (expression == null) {
				parentTypeBinding= Bindings.getBindingOfParentType(node);
			} else {
				parentTypeBinding = expression.resolveTypeBinding();
			}
		} else if (parent instanceof SuperMethodInvocation) {
			// Directly go to the super method definition
			return Collections.singletonList(mapper.convert(method, 0, 0));
		} else if (parent instanceof MethodDeclaration) {
			parentTypeBinding = Bindings.getBindingOfParentType(node);
		}
	}
	final IType receiverType = getType(parentTypeBinding);
	if (receiverType == null) {
		return null;
	}

	final List<T> results = new ArrayList<>();
	try {
		String methodLabel = JavaElementLabelsCore.getElementLabel(method, JavaElementLabelsCore.DEFAULT_QUALIFIED);
		monitor.beginTask(Messages.format(JavaElementImplementationHyperlink_search_method_implementors, methodLabel), 10);
		SearchRequestor requestor = new SearchRequestor() {
			@Override
			public void acceptSearchMatch(SearchMatch match) throws CoreException {
				if (match.getAccuracy() == SearchMatch.A_ACCURATE) {
					Object element = match.getElement();
					if (element instanceof IMethod) {
						IMethod methodFound = (IMethod) element;
						if (!JdtFlags.isAbstract(methodFound)) {
							T result = mapper.convert(methodFound, match.getOffset(), match.getLength());
							if (result != null) {
								results.add(result);
							}
						}
					}
				}
			}
		};

		IJavaSearchScope hierarchyScope;
		if (receiverType.isInterface()) {
			hierarchyScope = SearchEngine.createHierarchyScope(method.getDeclaringType());
		} else {
			if (isFullHierarchyNeeded(new SubProgressMonitor(monitor, 3), method, receiverType)) {
				hierarchyScope = SearchEngine.createHierarchyScope(receiverType);
			} else {
				boolean isMethodAbstract = JdtFlags.isAbstract(method);
				hierarchyScope = SearchEngine.createStrictHierarchyScope(null, receiverType, true, isMethodAbstract, null);
			}
		}

		int limitTo = IJavaSearchConstants.DECLARATIONS | IJavaSearchConstants.IGNORE_DECLARING_TYPE | IJavaSearchConstants.IGNORE_RETURN_TYPE;
		SearchPattern pattern = SearchPattern.createPattern(method, limitTo);
		Assert.isNotNull(pattern);
		SearchParticipant[] participants = new SearchParticipant[] { SearchEngine.getDefaultSearchParticipant() };
		SearchEngine engine = new SearchEngine();
		engine.search(pattern, participants, hierarchyScope, requestor, new SubProgressMonitor(monitor, 7));
		if (monitor.isCanceled()) {
			throw new OperationCanceledException();
		}
	} finally {
		monitor.done();
	}
	return results;
}
 

@Override
public void acceptSearchMatch(ICompilationUnit unit, SearchMatch match) throws CoreException {
	if (match instanceof MethodReferenceMatch
			&& ((MethodReferenceMatch) match).isSuperInvocation()
			&& match.getAccuracy() == SearchMatch.A_INACCURATE) {
		return; // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=156491
	}

	if (match.isImplicit()) { // see bug 94062
		collectMatch(match);
		return;
	}

	int start= match.getOffset();
	int length= match.getLength();
	String matchText= unit.getBuffer().getText(start, length);

	//direct match:
	if (fName.equals(matchText)) {
		collectMatch(match);
		return;
	}

	// lambda expression
	if (match instanceof MethodDeclarationMatch
			&& match.getElement() instanceof IMethod
			&& ((IMethod) match.getElement()).isLambdaMethod()) {
		// don't touch the lambda
		return;
	}

	//Not a standard reference -- use scanner to find last identifier token before left parenthesis:
	IScanner scanner= getScanner(unit);
	scanner.setSource(matchText.toCharArray());
	int simpleNameStart= -1;
	int simpleNameEnd= -1;
	try {
		int token = scanner.getNextToken();
		while (token != ITerminalSymbols.TokenNameEOF && token != ITerminalSymbols.TokenNameLPAREN) { // reference in code includes arguments in parentheses
			if (token == ITerminalSymbols.TokenNameIdentifier) {
				simpleNameStart= scanner.getCurrentTokenStartPosition();
				simpleNameEnd= scanner.getCurrentTokenEndPosition();
			}
			token = scanner.getNextToken();
		}
	} catch (InvalidInputException e){
		//ignore
	}
	if (simpleNameStart != -1) {
		match.setOffset(start + simpleNameStart);
		match.setLength(simpleNameEnd + 1 - simpleNameStart);
	}
	collectMatch(match);
}
 

public static ICompilationUnit[] findAffectedCompilationUnits(SearchPattern pattern,
		IJavaSearchScope scope, final IProgressMonitor pm, RefactoringStatus status, final boolean tolerateInAccurateMatches) throws JavaModelException {

	boolean hasNonCuMatches= false;

	class ResourceSearchRequestor extends SearchRequestor{
		boolean hasPotentialMatches= false ;
		Set<IResource> resources= new HashSet<IResource>(5);
		private IResource fLastResource;

		@Override
		public void acceptSearchMatch(SearchMatch match) {
			if (!tolerateInAccurateMatches && match.getAccuracy() == SearchMatch.A_INACCURATE) {
				hasPotentialMatches= true;
			}
			if (fLastResource != match.getResource()) {
				fLastResource= match.getResource();
				resources.add(fLastResource);
			}
		}
	}
	ResourceSearchRequestor requestor = new ResourceSearchRequestor();
	try {
		new SearchEngine().search(pattern, SearchUtils.getDefaultSearchParticipants(), scope, requestor, pm);
	} catch (CoreException e) {
		throw new JavaModelException(e);
	}

	List<IJavaElement> result= new ArrayList<IJavaElement>(requestor.resources.size());
	for (Iterator<IResource> iter= requestor.resources.iterator(); iter.hasNext(); ) {
		IResource resource= iter.next();
		IJavaElement element= JavaCore.create(resource);
		if (element instanceof ICompilationUnit) {
			result.add(element);
		} else {
			hasNonCuMatches= true;
		}
	}
	addStatusErrors(status, requestor.hasPotentialMatches, hasNonCuMatches);
	return result.toArray(new ICompilationUnit[result.size()]);
}