public static void rewriteModifiers( final VariableDeclarationStatement declarationNode, final VariableDeclarationFragment[] toChange, final int includedModifiers, final int excludedModifiers, ASTRewrite rewrite, final TextEditGroup group) { final List<VariableDeclarationFragment> fragmentsToChange = Arrays.asList(toChange); AST ast = declarationNode.getAST(); List<VariableDeclarationFragment> fragments = declarationNode.fragments(); Iterator<VariableDeclarationFragment> iter = fragments.iterator(); ListRewrite blockRewrite = null; ASTNode parentStatement = declarationNode.getParent(); if (parentStatement instanceof SwitchStatement) { blockRewrite = rewrite.getListRewrite(parentStatement, SwitchStatement.STATEMENTS_PROPERTY); } else if (parentStatement instanceof Block) { blockRewrite = rewrite.getListRewrite(parentStatement, Block.STATEMENTS_PROPERTY); } else { // should not happen. VariableDeclaration's can not be in a control statement body Assert.isTrue(false); } VariableDeclarationFragment lastFragment = iter.next(); ASTNode lastStatement = declarationNode; boolean modifiersModified = false; if (fragmentsToChange.contains(lastFragment)) { ModifierRewrite modifierRewrite = ModifierRewrite.create(rewrite, declarationNode); modifierRewrite.setModifiers(includedModifiers, excludedModifiers, group); modifiersModified = true; } ListRewrite fragmentsRewrite = null; while (iter.hasNext()) { VariableDeclarationFragment currentFragment = iter.next(); if (fragmentsToChange.contains(lastFragment) != fragmentsToChange.contains(currentFragment)) { VariableDeclarationStatement newStatement = ast.newVariableDeclarationStatement( (VariableDeclarationFragment) rewrite.createMoveTarget(currentFragment)); newStatement.setType((Type) rewrite.createCopyTarget(declarationNode.getType())); ModifierRewrite modifierRewrite = ModifierRewrite.create(rewrite, newStatement); if (fragmentsToChange.contains(currentFragment)) { modifierRewrite.copyAllAnnotations(declarationNode, group); int newModifiers = (declarationNode.getModifiers() & ~excludedModifiers) | includedModifiers; modifierRewrite.setModifiers(newModifiers, excludedModifiers, group); } else { modifierRewrite.copyAllModifiers(declarationNode, group, modifiersModified); } blockRewrite.insertAfter(newStatement, lastStatement, group); fragmentsRewrite = rewrite.getListRewrite(newStatement, VariableDeclarationStatement.FRAGMENTS_PROPERTY); lastStatement = newStatement; } else if (fragmentsRewrite != null) { ASTNode fragment0 = rewrite.createMoveTarget(currentFragment); fragmentsRewrite.insertLast(fragment0, group); } lastFragment = currentFragment; } }