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

Example 26 with IMethod

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

the class IntroduceIndirectionRefactoring method updateTargetVisibility.

private RefactoringStatus updateTargetVisibility(IProgressMonitor monitor) throws JavaModelException, CoreException {
    RefactoringStatus result = new RefactoringStatus();
    // Adjust the visibility of the method and of the referenced type. Note that
    // the target method may not be in the target type; and in this case, the type
    // of the target method does not need a visibility adjustment.
    // This method is called after all other changes have been
    // created. Changes induced by this method will be attached to those changes.
    result.merge(adjustVisibility((IType) fIntermediaryFirstParameterType.getJavaElement(), fIntermediaryType, monitor));
    if (result.hasError())
        // binary
        return result;
    ModifierKeyword neededVisibility = getNeededVisibility(fTargetMethod, fIntermediaryType);
    if (neededVisibility != null) {
        result.merge(adjustVisibility(fTargetMethod, neededVisibility, monitor));
        if (result.hasError())
            // binary
            return result;
        // Need to adjust the overridden methods of the target method.
        ITypeHierarchy hierarchy = fTargetMethod.getDeclaringType().newTypeHierarchy(null);
        MethodOverrideTester tester = new MethodOverrideTester(fTargetMethod.getDeclaringType(), hierarchy);
        IType[] subtypes = hierarchy.getAllSubtypes(fTargetMethod.getDeclaringType());
        for (int i = 0; i < subtypes.length; i++) {
            IMethod method = tester.findOverridingMethodInType(subtypes[i], fTargetMethod);
            if (method != null && method.exists()) {
                result.merge(adjustVisibility(method, neededVisibility, monitor));
                if (monitor.isCanceled())
                    throw new OperationCanceledException();
                if (result.hasError())
                    // binary
                    return result;
            }
        }
    }
    return result;
}

Example 27 with IMethod

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

the class IntroduceFactoryRefactoring method searchForCallsTo.

/**
	 * Search for all calls to the given <code>IMethodBinding</code> in the project
	 * that contains the compilation unit <code>fCUHandle</code>.
	 * @param methodBinding
	 * @param pm
	 * @param status
	 * @return an array of <code>SearchResultGroup</code>'s that identify the search matches
	 * @throws JavaModelException
	 */
private SearchResultGroup[] searchForCallsTo(IMethodBinding methodBinding, IProgressMonitor pm, RefactoringStatus status) throws JavaModelException {
    IMethod method = (IMethod) methodBinding.getJavaElement();
    final RefactoringSearchEngine2 engine = new RefactoringSearchEngine2(createSearchPattern(method, methodBinding));
    engine.setFiltering(true, true);
    engine.setScope(createSearchScope(method, methodBinding));
    engine.setStatus(status);
    engine.searchPattern(new SubProgressMonitor(pm, 1));
    return (SearchResultGroup[]) engine.getResults();
}

Example 28 with IMethod

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

the class InlineMethodRefactoring method checkOverridden.

private void checkOverridden(RefactoringStatus status, IProgressMonitor pm) throws JavaModelException {
    //$NON-NLS-1$
    pm.beginTask("", 9);
    pm.setTaskName(RefactoringCoreMessages.InlineMethodRefactoring_checking_overridden);
    MethodDeclaration decl = fSourceProvider.getDeclaration();
    IMethod method = (IMethod) decl.resolveBinding().getJavaElement();
    if (method == null || Flags.isPrivate(method.getFlags())) {
        pm.worked(8);
        return;
    }
    IType type = method.getDeclaringType();
    ITypeHierarchy hierarchy = type.newTypeHierarchy(new SubProgressMonitor(pm, 6));
    checkSubTypes(status, method, hierarchy.getAllSubtypes(type), new SubProgressMonitor(pm, 1));
    checkSuperClasses(status, method, hierarchy.getAllSuperclasses(type), new SubProgressMonitor(pm, 1));
    checkSuperInterfaces(status, method, hierarchy.getAllSuperInterfaces(type), new SubProgressMonitor(pm, 1));
    //$NON-NLS-1$
    pm.setTaskName("");
}

Example 29 with IMethod

use of org.eclipse.jdt.core.IMethod 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 30 with IMethod

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

the class IntroduceIndirectionRefactoring method updateReferences.

private RefactoringStatus updateReferences(IProgressMonitor monitor) throws CoreException {
    RefactoringStatus result = new RefactoringStatus();
    //$NON-NLS-1$
    monitor.beginTask("", 90);
    if (monitor.isCanceled())
        throw new OperationCanceledException();
    IMethod[] ripple = RippleMethodFinder2.getRelatedMethods(fTargetMethod, false, new NoOverrideProgressMonitor(monitor, 10), null);
    if (monitor.isCanceled())
        throw new OperationCanceledException();
    SearchResultGroup[] references = Checks.excludeCompilationUnits(getReferences(ripple, new NoOverrideProgressMonitor(monitor, 10), result), result);
    if (result.hasFatalError())
        return result;
    result.merge(Checks.checkCompileErrorsInAffectedFiles(references));
    if (monitor.isCanceled())
        throw new OperationCanceledException();
    int ticksPerCU = references.length == 0 ? 0 : 70 / references.length;
    for (int i = 0; i < references.length; i++) {
        SearchResultGroup group = references[i];
        SearchMatch[] searchResults = group.getSearchResults();
        CompilationUnitRewrite currentCURewrite = getCachedCURewrite(group.getCompilationUnit());
        for (int j = 0; j < searchResults.length; j++) {
            SearchMatch match = searchResults[j];
            if (match.isInsideDocComment())
                continue;
            IMember enclosingMember = (IMember) match.getElement();
            ASTNode target = getSelectedNode(group.getCompilationUnit(), currentCURewrite.getRoot(), match.getOffset(), match.getLength());
            if (target instanceof SuperMethodInvocation) {
                // Cannot retarget calls to super - add a warning
                result.merge(createWarningAboutCall(enclosingMember, target, RefactoringCoreMessages.IntroduceIndirectionRefactoring_call_warning_super_keyword));
                continue;
            }
            //$NON-NLS-1$
            Assert.isTrue(target instanceof MethodInvocation, "Element of call should be a MethodInvocation.");
            MethodInvocation invocation = (MethodInvocation) target;
            ITypeBinding typeBinding = getExpressionType(invocation);
            if (fIntermediaryFirstParameterType == null) {
                // no highest type yet
                fIntermediaryFirstParameterType = typeBinding.getTypeDeclaration();
            } else {
                // check if current type is higher
                result.merge(findCommonParent(typeBinding.getTypeDeclaration()));
            }
            if (result.hasFatalError())
                return result;
            // create an edit for this particular call
            result.merge(updateMethodInvocation(invocation, enclosingMember, currentCURewrite));
            // does call see the intermediary method?
            // => increase visibility of the type of the intermediary method.
            result.merge(adjustVisibility(fIntermediaryType, enclosingMember.getDeclaringType(), new NoOverrideProgressMonitor(monitor, 0)));
            if (monitor.isCanceled())
                throw new OperationCanceledException();
        }
        if (!isRewriteKept(group.getCompilationUnit()))
            createChangeAndDiscardRewrite(group.getCompilationUnit());
        monitor.worked(ticksPerCU);
    }
    monitor.done();
    return result;
}