Bug 85403 [quick assist] convert 'switch' into if-else-if fails if case has block
I20050215-2300 test case: switch (a) { case 1 : { System.out.println("1"); break; } }
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/text/correction/AdvancedQuickAssistProcessor.java
|| nodeType == ASTNode.INSTANCEOF_EXPRESSION;
		}
		expression = (Expression) rewrite.createCopyTarget(expression);
		if (addParentheses) {
			return getParenthesizedExpression(ast, expression);
		}
		return expression;
	}
	private static Expression getParenthesizedExpression(AST ast, Expression expression) {
		ParenthesizedExpression parenthesizedExpression = ast.newParenthesizedExpression();
		parenthesizedExpression.setExpression(expression);
		return parenthesizedExpression;
	}
	private static boolean getSplitAndConditionProposals(IInvocationContext context, ASTNode node,
			Collection resultingCollections) {
		Operator andOperator = InfixExpression.Operator.CONDITIONAL_AND;
		
		if (!(node instanceof InfixExpression)) {
			return false;
		}
		InfixExpression infixExpression = (InfixExpression) node;
		if (infixExpression.getOperator() != andOperator) {
			return false;
		}
		
		Statement statement = ASTResolving.findParentStatement(node);
		if (!(statement instanceof IfStatement)) {
			return false;
		}
		IfStatement ifStatement = (IfStatement) statement;