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

Example 1 with IClassFile

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

the class JavaNavigation method findDeclaration.

public OpenDeclarationDescriptor findDeclaration(IJavaProject project, String fqn, int offset) throws JavaModelException {
    IJavaElement originalElement = null;
    IType type = project.findType(fqn);
    ICodeAssist codeAssist;
    if (type.isBinary()) {
        codeAssist = type.getClassFile();
    } else {
        codeAssist = type.getCompilationUnit();
    }
    IJavaElement[] elements = null;
    if (codeAssist != null) {
        elements = codeAssist.codeSelect(offset, 0);
    }
    if (elements != null && elements.length > 0) {
        originalElement = elements[0];
    }
    IJavaElement element = originalElement;
    while (element != null) {
        if (element instanceof ICompilationUnit) {
            ICompilationUnit unit = ((ICompilationUnit) element).getPrimary();
            return compilationUnitNavigation(unit, originalElement);
        }
        if (element instanceof IClassFile) {
            return classFileNavigation((IClassFile) element, originalElement);
        }
        element = element.getParent();
    }
    return null;
}

Example 2 with IClassFile

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

the class JavaNavigation method getPackageContent.

/* (non-Javadoc)
 * @see org.eclipse.jdt.ui.StandardJavaElementContentProvider#getPackageContent(org.eclipse.jdt.core.IPackageFragment)
 */
protected Object[] getPackageContent(IPackageFragment fragment) throws JavaModelException {
    // hierarchical package mode
    ArrayList<Object> result = new ArrayList<Object>();
    getHierarchicalPackageChildren((IPackageFragmentRoot) fragment.getParent(), fragment, result);
    IClassFile[] classFiles = fragment.getClassFiles();
    List<IClassFile> filtered = new ArrayList<>();
    //filter inner classes
    for (IClassFile classFile : classFiles) {
        if (!classFile.getElementName().contains("$")) {
            filtered.add(classFile);
        }
    }
    Object[] nonPackages = concatenate(filtered.toArray(), fragment.getNonJavaResources());
    if (result.isEmpty())
        return nonPackages;
    Collections.addAll(result, nonPackages);
    return result.toArray();
}

Example 3 with IClassFile

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

the class JavaDebuggerUtils method findFqnByPosition.

/**
     * Return nested class fqn if line with number {@code lineNumber} contains such element, otherwise return outer class fqn.
     *
     * @param projectPath
     *         project path which contains class with {@code outerClassFqn}
     * @param outerClassFqn
     *         fqn outer class
     * @param lineNumber
     *         line position to search
     * @throws DebuggerException
     */
public String findFqnByPosition(String projectPath, String outerClassFqn, int lineNumber) throws DebuggerException {
    if (projectPath == null) {
        return outerClassFqn;
    }
    IJavaProject project = MODEL.getJavaProject(projectPath);
    IType outerClass;
    IMember iMember;
    try {
        outerClass = project.findType(outerClassFqn);
        if (outerClass == null) {
            return outerClassFqn;
        }
        String source;
        if (outerClass.isBinary()) {
            IClassFile classFile = outerClass.getClassFile();
            source = classFile.getSource();
        } else {
            ICompilationUnit unit = outerClass.getCompilationUnit();
            source = unit.getSource();
        }
        Document document = new Document(source);
        IRegion region = document.getLineInformation(lineNumber);
        int start = region.getOffset();
        int end = start + region.getLength();
        iMember = binSearch(outerClass, start, end);
    } catch (JavaModelException e) {
        throw new DebuggerException(format("Unable to find source for class with fqn '%s' in the project '%s'", outerClassFqn, project), e);
    } catch (BadLocationException e) {
        throw new DebuggerException("Unable to calculate breakpoint location", e);
    }
    if (iMember instanceof IType) {
        return ((IType) iMember).getFullyQualifiedName();
    }
    if (iMember != null) {
        return iMember.getDeclaringType().getFullyQualifiedName();
    }
    return outerClassFqn;
}

Example 4 with IClassFile

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

the class InlineMethodRefactoring method resolveSourceProvider.

private static SourceProvider resolveSourceProvider(RefactoringStatus status, ITypeRoot typeRoot, ASTNode invocation) {
    CompilationUnit root = (CompilationUnit) invocation.getRoot();
    IMethodBinding methodBinding = Invocations.resolveBinding(invocation);
    if (methodBinding == null) {
        status.addFatalError(RefactoringCoreMessages.InlineMethodRefactoring_error_noMethodDeclaration);
        return null;
    }
    MethodDeclaration declaration = (MethodDeclaration) root.findDeclaringNode(methodBinding);
    if (declaration != null) {
        return new SourceProvider(typeRoot, declaration);
    }
    IMethod method = (IMethod) methodBinding.getJavaElement();
    if (method != null) {
        CompilationUnit methodDeclarationAstRoot;
        ICompilationUnit methodCu = method.getCompilationUnit();
        if (methodCu != null) {
            methodDeclarationAstRoot = new RefactoringASTParser(ASTProvider.SHARED_AST_LEVEL).parse(methodCu, true);
        } else {
            IClassFile classFile = method.getClassFile();
            if (!JavaElementUtil.isSourceAvailable(classFile)) {
                String methodLabel = JavaElementLabels.getTextLabel(method, JavaElementLabels.M_FULLY_QUALIFIED | JavaElementLabels.M_PARAMETER_TYPES);
                status.addFatalError(Messages.format(RefactoringCoreMessages.InlineMethodRefactoring_error_classFile, methodLabel));
                return null;
            }
            methodDeclarationAstRoot = new RefactoringASTParser(ASTProvider.SHARED_AST_LEVEL).parse(classFile, true);
        }
        ASTNode node = methodDeclarationAstRoot.findDeclaringNode(methodBinding.getMethodDeclaration().getKey());
        if (node instanceof MethodDeclaration) {
            return new SourceProvider(methodDeclarationAstRoot.getTypeRoot(), (MethodDeclaration) node);
        }
    }
    status.addFatalError(RefactoringCoreMessages.InlineMethodRefactoring_error_noMethodDeclaration);
    return null;
}

Example 5 with IClassFile

use of org.eclipse.jdt.core.IClassFile in project tdi-studio-se by Talend.

the class OpenDeclarationAction method getMethodNameRange.

/**
     * Gets the source range.
     * 
     * @param editorInput The editor input
     * @return The source range
     * @throws JavaModelException
     */
private ISourceRange getMethodNameRange(IEditorInput editorInput) throws JavaModelException {
    ITypeRoot typeRoot = JavaUI.getEditorInputTypeRoot(editorInput);
    LinkedList<ISourceRange> sourceRanges = new LinkedList<ISourceRange>();
    if (typeRoot instanceof IClassFile) {
        // class file
        IType type = ((IClassFile) typeRoot).getType();
        getMethodNameRange(type.getChildren(), 0, sourceRanges);
    } else if (typeRoot instanceof ICompilationUnit) {
        // java file
        ICompilationUnit unit = (ICompilationUnit) typeRoot;
        IType[] allTypes = unit.getAllTypes();
        for (IType type : allTypes) {
            getMethodNameRange(type.getChildren(), 0, sourceRanges);
        }
    } else {
        return null;
    }
    if (sourceRanges.isEmpty()) {
        return null;
    }
    return sourceRanges.getFirst();
}