Examples with IClassFile org.eclipse.jdt.core.IClassFile used on opensource projects

Example 6 with IClassFile

use of org.eclipse.jdt.core.IClassFile in project eclipse.jdt.ls by eclipse.

the class JDTUtils method findElementsAtSelection.

public static IJavaElement[] findElementsAtSelection(ITypeRoot unit, int line, int column, PreferenceManager preferenceManager, IProgressMonitor monitor) throws JavaModelException {
    if (unit == null) {
        return null;
    }
    int offset = JsonRpcHelpers.toOffset(unit.getBuffer(), line, column);
    if (offset > -1) {
        return unit.codeSelect(offset, 0);
    }
    if (unit instanceof IClassFile) {
        IClassFile classFile = (IClassFile) unit;
        ContentProviderManager contentProvider = JavaLanguageServerPlugin.getContentProviderManager();
        String contents = contentProvider.getSource(classFile, monitor);
        if (contents != null) {
            IDocument document = new Document(contents);
            try {
                offset = document.getLineOffset(line) + column;
                if (offset > -1) {
                    String name = parse(contents, offset);
                    if (name == null) {
                        return null;
                    }
                    SearchPattern pattern = SearchPattern.createPattern(name, IJavaSearchConstants.TYPE, IJavaSearchConstants.DECLARATIONS, SearchPattern.R_FULL_MATCH);
                    IJavaSearchScope scope = createSearchScope(unit.getJavaProject());
                    List<IJavaElement> elements = new ArrayList<>();
                    SearchRequestor requestor = new SearchRequestor() {

                        @Override
                        public void acceptSearchMatch(SearchMatch match) {
                            if (match.getElement() instanceof IJavaElement) {
                                elements.add((IJavaElement) match.getElement());
                            }
                        }
                    };
                    SearchEngine searchEngine = new SearchEngine();
                    searchEngine.search(pattern, new SearchParticipant[] { SearchEngine.getDefaultSearchParticipant() }, scope, requestor, null);
                    return elements.toArray(new IJavaElement[0]);
                }
            } catch (BadLocationException | CoreException e) {
                JavaLanguageServerPlugin.logException(e.getMessage(), e);
            }
        }
    }
    return null;
}

Example 7 with IClassFile

use of org.eclipse.jdt.core.IClassFile in project eclipse.jdt.ls by eclipse.

the class CodeLensHandler method getCodeLensSymbols.

public List<CodeLens> getCodeLensSymbols(String uri, IProgressMonitor monitor) {
    if (!preferenceManager.getPreferences().isCodeLensEnabled()) {
        return Collections.emptyList();
    }
    final ICompilationUnit unit = JDTUtils.resolveCompilationUnit(uri);
    IClassFile classFile = null;
    if (unit == null) {
        classFile = JDTUtils.resolveClassFile(uri);
        if (classFile == null) {
            return Collections.emptyList();
        }
    } else {
        if (!unit.getResource().exists() || monitor.isCanceled()) {
            return Collections.emptyList();
        }
    }
    try {
        ITypeRoot typeRoot = unit != null ? unit : classFile;
        IJavaElement[] elements = typeRoot.getChildren();
        ArrayList<CodeLens> lenses = new ArrayList<>(elements.length);
        collectCodeLenses(typeRoot, elements, lenses, monitor);
        if (monitor.isCanceled()) {
            lenses.clear();
        }
        return lenses;
    } catch (JavaModelException e) {
        JavaLanguageServerPlugin.logException("Problem getting code lenses for" + unit.getElementName(), e);
    }
    return Collections.emptyList();
}

Example 8 with IClassFile

use of org.eclipse.jdt.core.IClassFile in project eclipse.jdt.ls by eclipse.

the class HoverHandlerTest method testHoverThrowable.

@Test
public void testHoverThrowable() throws Exception {
    String uriString = ClassFileUtil.getURI(project, "java.lang.Exception");
    IClassFile classFile = JDTUtils.resolveClassFile(uriString);
    String contents = JavaLanguageServerPlugin.getContentProviderManager().getSource(classFile, monitor);
    IDocument document = new Document(contents);
    IRegion region = new FindReplaceDocumentAdapter(document).find(0, "Throwable", true, false, false, false);
    int offset = region.getOffset();
    int line = document.getLineOfOffset(offset);
    int character = offset - document.getLineOffset(line);
    TextDocumentIdentifier textDocument = new TextDocumentIdentifier(uriString);
    Position position = new Position(line, character);
    TextDocumentPositionParams params = new TextDocumentPositionParams(textDocument, position);
    Hover hover = handler.hover(params, monitor);
    assertNotNull(hover);
    assertTrue("Unexpected hover ", !hover.getContents().isEmpty());
}

Example 9 with IClassFile

use of org.eclipse.jdt.core.IClassFile in project whole by wholeplatform.

the class BrowseListChooser method populateClassList.

public void populateClassList(IPackageFragment packageFragment) {
    classList.clear();
    try {
        ClassLoader projectURLClassLoader = JDTUtils.createClassLoader(packageFragment.getJavaProject(), true);
        for (IJavaElement javaElement : packageFragment.getChildren()) {
            if (javaElement instanceof IClassFile) {
                IClassFile classFile = ((IClassFile) javaElement);
                Class<?> clazz = projectURLClassLoader.loadClass(classFile.getType().getFullyQualifiedName());
                if (clazz != null && !clazz.isAnonymousClass() && !clazz.isMemberClass())
                    classList.add(clazz);
            }
            if (javaElement instanceof ICompilationUnit) {
                ICompilationUnit compilationUnit = ((ICompilationUnit) javaElement);
                IType[] types = compilationUnit.getTypes();
                for (IType type : types) {
                    Class<?> clazz = projectURLClassLoader.loadClass(type.getFullyQualifiedName());
                    if (clazz != null && !clazz.isAnonymousClass() && !clazz.isMemberClass())
                        classList.add(clazz);
                }
            }
        }
    } catch (JavaModelException e) {
        e.printStackTrace();
    } catch (ClassNotFoundException e) {
        e.printStackTrace();
    }
    listChooser.refresh();
// TODO uncomment when checked state handling fixed
// listChooser.setAllChecked(true);
}

Example 10 with IClassFile

use of org.eclipse.jdt.core.IClassFile in project xtext-eclipse by eclipse.

the class XbaseBreakpointUtil method getBreakpointURI.

// this URI is only used for breakpoints on JARed files
public SourceRelativeURI getBreakpointURI(IEditorInput input) {
    IResource resource = Adapters.adapt(input, IResource.class);
    if (resource != null)
        return null;
    if (input instanceof IStorageEditorInput) {
        IStorage storage;
        try {
            storage = ((IStorageEditorInput) input).getStorage();
            if (storage instanceof IResource)
                return null;
            if (storage instanceof IJarEntryResource) {
                IJarEntryResource jarEntryResource = (IJarEntryResource) storage;
                if (!jarEntryResource.getPackageFragmentRoot().isArchive())
                    return null;
                Object parent = jarEntryResource.getParent();
                if (parent instanceof IPackageFragment) {
                    String path = ((IPackageFragment) parent).getElementName().replace('.', '/');
                    return new SourceRelativeURI(path + "/" + storage.getName());
                } else if (parent instanceof IPackageFragmentRoot) {
                    return new SourceRelativeURI(storage.getName());
                }
            }
        } catch (CoreException e) {
            logger.error("Error finding breakpoint URI", e);
            return null;
        }
    } else {
        IClassFile classFile = Adapters.adapt(input, IClassFile.class);
        if (classFile != null) {
            ITrace traceToSource = traceForTypeRootProvider.getTraceToSource(classFile);
            if (traceToSource == null)
                return null;
            for (ILocationInResource loc : traceToSource.getAllAssociatedLocations()) return loc.getSrcRelativeResourceURI();
            return null;
        }
    }
    return null;
}