private ASTRewrite doAddField(CompilationUnit astRoot) { SimpleName node = fOriginalNode; boolean isInDifferentCU = false; ASTNode newTypeDecl = astRoot.findDeclaringNode(fSenderBinding); if (newTypeDecl == null) { astRoot = ASTResolving.createQuickFixAST(getCompilationUnit(), null); newTypeDecl = astRoot.findDeclaringNode(fSenderBinding.getKey()); isInDifferentCU = true; } ImportRewrite imports = createImportRewrite(astRoot); ImportRewriteContext importRewriteContext = new ContextSensitiveImportRewriteContext( ASTResolving.findParentBodyDeclaration(node), imports); if (newTypeDecl != null) { AST ast = newTypeDecl.getAST(); ASTRewrite rewrite = ASTRewrite.create(ast); VariableDeclarationFragment fragment = ast.newVariableDeclarationFragment(); fragment.setName(ast.newSimpleName(node.getIdentifier())); Type type = evaluateVariableType(ast, imports, importRewriteContext, fSenderBinding); FieldDeclaration newDecl = ast.newFieldDeclaration(fragment); newDecl.setType(type); newDecl .modifiers() .addAll(ASTNodeFactory.newModifiers(ast, evaluateFieldModifiers(newTypeDecl))); if (fSenderBinding.isInterface() || fVariableKind == CONST_FIELD) { fragment.setInitializer(ASTNodeFactory.newDefaultExpression(ast, type, 0)); } ChildListPropertyDescriptor property = ASTNodes.getBodyDeclarationsProperty(newTypeDecl); List<BodyDeclaration> decls = ASTNodes.<BodyDeclaration>getChildListProperty(newTypeDecl, property); int maxOffset = isInDifferentCU ? -1 : node.getStartPosition(); int insertIndex = findFieldInsertIndex(decls, newDecl, maxOffset); ListRewrite listRewriter = rewrite.getListRewrite(newTypeDecl, property); listRewriter.insertAt(newDecl, insertIndex, null); ModifierCorrectionSubProcessor.installLinkedVisibilityProposals( getLinkedProposalModel(), rewrite, newDecl.modifiers(), fSenderBinding.isInterface()); addLinkedPosition(rewrite.track(newDecl.getType()), false, KEY_TYPE); if (!isInDifferentCU) { addLinkedPosition(rewrite.track(node), true, KEY_NAME); } addLinkedPosition(rewrite.track(fragment.getName()), false, KEY_NAME); if (fragment.getInitializer() != null) { addLinkedPosition(rewrite.track(fragment.getInitializer()), false, KEY_INITIALIZER); } return rewrite; } return null; }
private void createConstantDeclaration() throws CoreException { Type type = getConstantType(); IExpressionFragment fragment = getSelectedExpression(); Expression initializer = getSelectedExpression().createCopyTarget(fCuRewrite.getASTRewrite(), true); AST ast = fCuRewrite.getAST(); VariableDeclarationFragment variableDeclarationFragment = ast.newVariableDeclarationFragment(); variableDeclarationFragment.setName(ast.newSimpleName(fConstantName)); variableDeclarationFragment.setInitializer(initializer); FieldDeclaration fieldDeclaration = ast.newFieldDeclaration(variableDeclarationFragment); fieldDeclaration.setType(type); Modifier.ModifierKeyword accessModifier = Modifier.ModifierKeyword.toKeyword(fVisibility); if (accessModifier != null) fieldDeclaration.modifiers().add(ast.newModifier(accessModifier)); fieldDeclaration.modifiers().add(ast.newModifier(Modifier.ModifierKeyword.STATIC_KEYWORD)); fieldDeclaration.modifiers().add(ast.newModifier(Modifier.ModifierKeyword.FINAL_KEYWORD)); boolean createComments = JavaPreferencesSettings.getCodeGenerationSettings(fCu.getJavaProject()).createComments; if (createComments) { String comment = CodeGeneration.getFieldComment( fCu, getConstantTypeName(), fConstantName, StubUtility.getLineDelimiterUsed(fCu)); if (comment != null && comment.length() > 0) { Javadoc doc = (Javadoc) fCuRewrite.getASTRewrite().createStringPlaceholder(comment, ASTNode.JAVADOC); fieldDeclaration.setJavadoc(doc); } } AbstractTypeDeclaration parent = getContainingTypeDeclarationNode(); ListRewrite listRewrite = fCuRewrite.getASTRewrite().getListRewrite(parent, parent.getBodyDeclarationsProperty()); TextEditGroup msg = fCuRewrite.createGroupDescription( RefactoringCoreMessages.ExtractConstantRefactoring_declare_constant); if (insertFirst()) { listRewrite.insertFirst(fieldDeclaration, msg); } else { listRewrite.insertAfter(fieldDeclaration, getNodeToInsertConstantDeclarationAfter(), msg); } if (fLinkedProposalModel != null) { ASTRewrite rewrite = fCuRewrite.getASTRewrite(); LinkedProposalPositionGroup nameGroup = fLinkedProposalModel.getPositionGroup(KEY_NAME, true); nameGroup.addPosition(rewrite.track(variableDeclarationFragment.getName()), true); String[] nameSuggestions = guessConstantNames(); if (nameSuggestions.length > 0 && !nameSuggestions[0].equals(fConstantName)) { nameGroup.addProposal(fConstantName, null, nameSuggestions.length + 1); } for (int i = 0; i < nameSuggestions.length; i++) { nameGroup.addProposal(nameSuggestions[i], null, nameSuggestions.length - i); } LinkedProposalPositionGroup typeGroup = fLinkedProposalModel.getPositionGroup(KEY_TYPE, true); typeGroup.addPosition(rewrite.track(type), true); ITypeBinding typeBinding = guessBindingForReference(fragment.getAssociatedExpression()); if (typeBinding != null) { ITypeBinding[] relaxingTypes = ASTResolving.getNarrowingTypes(ast, typeBinding); for (int i = 0; i < relaxingTypes.length; i++) { typeGroup.addProposal(relaxingTypes[i], fCuRewrite.getCu(), relaxingTypes.length - i); } } boolean isInterface = parent.resolveBinding() != null && parent.resolveBinding().isInterface(); ModifierCorrectionSubProcessor.installLinkedVisibilityProposals( fLinkedProposalModel, rewrite, fieldDeclaration.modifiers(), isInterface); } }