Examples with SimpleName org.eclipse.jdt.core.dom.SimpleName used on opensource projects

Example 1 with SimpleName

use of org.eclipse.jdt.core.dom.SimpleName in project che by eclipse.

the class OrganizeImportsOperation method createTextEdit.

public TextEdit createTextEdit(IProgressMonitor monitor) throws CoreException, OperationCanceledException {
    if (monitor == null) {
        monitor = new NullProgressMonitor();
    }
    try {
        fNumberOfImportsAdded = 0;
        fNumberOfImportsRemoved = 0;
        monitor.beginTask(Messages.format(CodeGenerationMessages.OrganizeImportsOperation_description, BasicElementLabels.getFileName(fCompilationUnit)), 9);
        CompilationUnit astRoot = fASTRoot;
        if (astRoot == null) {
            astRoot = SharedASTProvider.getAST(fCompilationUnit, SharedASTProvider.WAIT_YES, new SubProgressMonitor(monitor, 2));
            if (monitor.isCanceled())
                throw new OperationCanceledException();
        } else {
            monitor.worked(2);
        }
        ImportRewrite importsRewrite = StubUtility.createImportRewrite(astRoot, false);
        Set<String> oldSingleImports = new HashSet<>();
        Set<String> oldDemandImports = new HashSet<>();
        List<SimpleName> typeReferences = new ArrayList<>();
        List<SimpleName> staticReferences = new ArrayList<>();
        if (!collectReferences(astRoot, typeReferences, staticReferences, oldSingleImports, oldDemandImports))
            return null;
        monitor.worked(1);
        processor = new TypeReferenceProcessor(oldSingleImports, oldDemandImports, astRoot, importsRewrite, fIgnoreLowerCaseNames);
        Iterator<SimpleName> refIterator = typeReferences.iterator();
        while (refIterator.hasNext()) {
            SimpleName typeRef = refIterator.next();
            processor.add(typeRef);
        }
        hasOpenChoices = processor.process(new SubProgressMonitor(monitor, 3));
        addStaticImports(staticReferences, importsRewrite);
        if (hasOpenChoices) {
            choices = processor.getChoices();
            ISourceRange[] ranges = processor.getChoicesSourceRanges();
            if (fChooseImportQuery != null) {
                TypeNameMatch[] chosen = fChooseImportQuery.chooseImports(choices, ranges);
                for (int i = 0; i < chosen.length; i++) {
                    TypeNameMatch typeInfo = chosen[i];
                    importsRewrite.addImport(typeInfo.getFullyQualifiedName());
                }
            } else if (chosenFQN != null) {
                chosenFQN.forEach(importsRewrite::addImport);
            }
        }
        TextEdit result = importsRewrite.rewriteImports(new SubProgressMonitor(monitor, 3));
        determineImportDifferences(importsRewrite, oldSingleImports, oldDemandImports);
        return result;
    } finally {
        monitor.done();
    }
}

Example 2 with SimpleName

use of org.eclipse.jdt.core.dom.SimpleName in project che by eclipse.

the class OrganizeImportsOperation method addStaticImports.

private void addStaticImports(List<SimpleName> staticReferences, ImportRewrite importsStructure) {
    for (int i = 0; i < staticReferences.size(); i++) {
        Name name = staticReferences.get(i);
        IBinding binding = name.resolveBinding();
        if (binding != null) {
            // paranoia check
            importsStructure.addStaticImport(binding);
        }
    }
}

Example 3 with SimpleName

use of org.eclipse.jdt.core.dom.SimpleName in project che by eclipse.

the class AddImportsOperation method evaluateEdits.

private TextEdit evaluateEdits(CompilationUnit root, ImportRewrite importRewrite, int offset, int length, IProgressMonitor monitor) throws JavaModelException {
    SimpleName nameNode = null;
    if (root != null) {
        // got an AST
        ASTNode node = NodeFinder.perform(root, offset, length);
        if (node instanceof MarkerAnnotation) {
            node = ((Annotation) node).getTypeName();
        }
        if (node instanceof QualifiedName) {
            nameNode = ((QualifiedName) node).getName();
        } else if (node instanceof SimpleName) {
            nameNode = (SimpleName) node;
        }
    }
    String name, simpleName, containerName;
    int qualifierStart;
    int simpleNameStart;
    if (nameNode != null) {
        simpleName = nameNode.getIdentifier();
        simpleNameStart = nameNode.getStartPosition();
        if (nameNode.getLocationInParent() == QualifiedName.NAME_PROPERTY) {
            Name qualifier = ((QualifiedName) nameNode.getParent()).getQualifier();
            containerName = qualifier.getFullyQualifiedName();
            name = JavaModelUtil.concatenateName(containerName, simpleName);
            qualifierStart = qualifier.getStartPosition();
        } else if (nameNode.getLocationInParent() == NameQualifiedType.NAME_PROPERTY) {
            NameQualifiedType nameQualifiedType = (NameQualifiedType) nameNode.getParent();
            Name qualifier = nameQualifiedType.getQualifier();
            containerName = qualifier.getFullyQualifiedName();
            name = JavaModelUtil.concatenateName(containerName, simpleName);
            qualifierStart = qualifier.getStartPosition();
            List<Annotation> annotations = nameQualifiedType.annotations();
            if (!annotations.isEmpty()) {
                // don't remove annotations
                simpleNameStart = annotations.get(0).getStartPosition();
            }
        } else if (nameNode.getLocationInParent() == MethodInvocation.NAME_PROPERTY) {
            ASTNode qualifier = ((MethodInvocation) nameNode.getParent()).getExpression();
            if (qualifier instanceof Name) {
                containerName = ASTNodes.asString(qualifier);
                name = JavaModelUtil.concatenateName(containerName, simpleName);
                qualifierStart = qualifier.getStartPosition();
            } else {
                return null;
            }
        } else {
            //$NON-NLS-1$
            containerName = "";
            name = simpleName;
            qualifierStart = simpleNameStart;
        }
        IBinding binding = nameNode.resolveBinding();
        if (binding != null && !binding.isRecovered()) {
            if (binding instanceof ITypeBinding) {
                ITypeBinding typeBinding = ((ITypeBinding) binding).getTypeDeclaration();
                String qualifiedBindingName = typeBinding.getQualifiedName();
                if (containerName.length() > 0 && !qualifiedBindingName.equals(name)) {
                    return null;
                }
                ImportRewriteContext context = new ContextSensitiveImportRewriteContext(root, qualifierStart, importRewrite);
                String res = importRewrite.addImport(typeBinding, context);
                if (containerName.length() > 0 && !res.equals(simpleName)) {
                    // adding import failed
                    fStatus = JavaUIStatus.createError(IStatus.ERROR, CodeGenerationMessages.AddImportsOperation_error_importclash, null);
                    return null;
                }
                if (containerName.length() == 0 && res.equals(simpleName)) {
                    // no change necessary
                    return null;
                }
                return new ReplaceEdit(qualifierStart, simpleNameStart - qualifierStart, new String());
            } else if (JavaModelUtil.is50OrHigher(fCompilationUnit.getJavaProject()) && (binding instanceof IVariableBinding || binding instanceof IMethodBinding)) {
                boolean isField = binding instanceof IVariableBinding;
                ITypeBinding declaringClass = isField ? ((IVariableBinding) binding).getDeclaringClass() : ((IMethodBinding) binding).getDeclaringClass();
                if (declaringClass == null) {
                    // variableBinding.getDeclaringClass() is null for array.length
                    return null;
                }
                if (Modifier.isStatic(binding.getModifiers())) {
                    if (containerName.length() > 0) {
                        if (containerName.equals(declaringClass.getName()) || containerName.equals(declaringClass.getQualifiedName())) {
                            ASTNode node = nameNode.getParent();
                            boolean isDirectlyAccessible = false;
                            while (node != null) {
                                if (isTypeDeclarationSubTypeCompatible(node, declaringClass)) {
                                    isDirectlyAccessible = true;
                                    break;
                                }
                                node = node.getParent();
                            }
                            if (!isDirectlyAccessible) {
                                if (Modifier.isPrivate(declaringClass.getModifiers())) {
                                    fStatus = JavaUIStatus.createError(IStatus.ERROR, Messages.format(CodeGenerationMessages.AddImportsOperation_error_not_visible_class, BasicElementLabels.getJavaElementName(declaringClass.getName())), null);
                                    return null;
                                }
                                String res = importRewrite.addStaticImport(declaringClass.getQualifiedName(), binding.getName(), isField);
                                if (!res.equals(simpleName)) {
                                    // adding import failed
                                    return null;
                                }
                            }
                            //$NON-NLS-1$
                            return new ReplaceEdit(qualifierStart, simpleNameStart - qualifierStart, "");
                        }
                    }
                }
                // no static imports for packages
                return null;
            } else {
                return null;
            }
        }
        if (binding != null && binding.getKind() != IBinding.TYPE) {
            // recovered binding
            return null;
        }
    } else {
        IBuffer buffer = fCompilationUnit.getBuffer();
        qualifierStart = getNameStart(buffer, offset);
        int nameEnd = getNameEnd(buffer, offset + length);
        int len = nameEnd - qualifierStart;
        name = buffer.getText(qualifierStart, len).trim();
        if (name.length() == 0) {
            return null;
        }
        simpleName = Signature.getSimpleName(name);
        containerName = Signature.getQualifier(name);
        IJavaProject javaProject = fCompilationUnit.getJavaProject();
        if (simpleName.length() == 0 || JavaConventionsUtil.validateJavaTypeName(simpleName, javaProject).matches(IStatus.ERROR) || (containerName.length() > 0 && JavaConventionsUtil.validateJavaTypeName(containerName, javaProject).matches(IStatus.ERROR))) {
            fStatus = JavaUIStatus.createError(IStatus.ERROR, CodeGenerationMessages.AddImportsOperation_error_invalid_selection, null);
            return null;
        }
        simpleNameStart = getSimpleNameStart(buffer, qualifierStart, containerName);
        int res = importRewrite.getDefaultImportRewriteContext().findInContext(containerName, simpleName, ImportRewriteContext.KIND_TYPE);
        if (res == ImportRewriteContext.RES_NAME_CONFLICT) {
            fStatus = JavaUIStatus.createError(IStatus.ERROR, CodeGenerationMessages.AddImportsOperation_error_importclash, null);
            return null;
        } else if (res == ImportRewriteContext.RES_NAME_FOUND) {
            //$NON-NLS-1$
            return new ReplaceEdit(qualifierStart, simpleNameStart - qualifierStart, "");
        }
    }
    IJavaSearchScope searchScope = SearchEngine.createJavaSearchScope(new IJavaElement[] { fCompilationUnit.getJavaProject() });
    TypeNameMatch[] types = findAllTypes(simpleName, searchScope, nameNode, new SubProgressMonitor(monitor, 1));
    if (types.length == 0) {
        fStatus = JavaUIStatus.createError(IStatus.ERROR, Messages.format(CodeGenerationMessages.AddImportsOperation_error_notresolved_message, BasicElementLabels.getJavaElementName(simpleName)), null);
        return null;
    }
    if (monitor.isCanceled()) {
        throw new OperationCanceledException();
    }
    TypeNameMatch chosen;
    if (types.length > 1 && fQuery != null) {
        chosen = fQuery.chooseImport(types, containerName);
        if (chosen == null) {
            throw new OperationCanceledException();
        }
    } else {
        chosen = types[0];
    }
    ImportRewriteContext context = root == null ? null : new ContextSensitiveImportRewriteContext(root, simpleNameStart, importRewrite);
    importRewrite.addImport(chosen.getFullyQualifiedName(), context);
    //$NON-NLS-1$
    return new ReplaceEdit(qualifierStart, simpleNameStart - qualifierStart, "");
}

Example 4 with SimpleName

use of org.eclipse.jdt.core.dom.SimpleName in project che by eclipse.

the class ContextSensitiveImportRewriteContext method getImportedNames.

private Name[] getImportedNames() {
    if (fImportedNames == null) {
        IJavaProject project = null;
        IJavaElement javaElement = fCompilationUnit.getJavaElement();
        if (javaElement != null)
            project = javaElement.getJavaProject();
        List<SimpleName> imports = new ArrayList<SimpleName>();
        ImportReferencesCollector.collect(fCompilationUnit, project, null, imports, null);
        fImportedNames = imports.toArray(new Name[imports.size()]);
    }
    return fImportedNames;
}

Example 5 with SimpleName

use of org.eclipse.jdt.core.dom.SimpleName in project che by eclipse.

the class LinkedNodeFinder method findByNode.

/**
	 * Find all nodes connected to the given name node. If the node has a binding then all nodes connected
	 * to this binding are returned. If the node has no binding, then all nodes that also miss a binding and have
	 * the same name are returned.
	 * @param root The root of the AST tree to search
	 * @param name The node to find linked nodes for
	 * @return Return
	 */
public static SimpleName[] findByNode(ASTNode root, SimpleName name) {
    IBinding binding = name.resolveBinding();
    if (binding != null) {
        return findByBinding(root, binding);
    }
    SimpleName[] names = findByProblems(root, name);
    if (names != null) {
        return names;
    }
    int parentKind = name.getParent().getNodeType();
    if (parentKind == ASTNode.LABELED_STATEMENT || parentKind == ASTNode.BREAK_STATEMENT || parentKind == ASTNode.CONTINUE_STATEMENT) {
        ArrayList<SimpleName> res = new ArrayList<SimpleName>();
        LabelFinder nodeFinder = new LabelFinder(name, res);
        root.accept(nodeFinder);
        return res.toArray(new SimpleName[res.size()]);
    }
    return new SimpleName[] { name };
}