2 Copyright 2011 frank asseg
4 Licensed under the Apache License, Version 2.0 (the "License");
5 you may not use this file except in compliance with the License.
6 You may obtain a copy of the License at
8 http://www.apache.org/licenses/LICENSE-2.0
10 Unless required by applicable law or agreed to in writing, software
11 distributed under the License is distributed on an "AS IS" BASIS,
12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 See the License for the specific language governing permissions and
14 limitations under the License.
17 package de.congrace.exp4j;
19 import java.util.Stack;
22 * Superclass for tokenized Strings
24 * @author fas@congrace.de
26 abstract class Token {
27 private final String value;
30 * construct a new {@link Token}
33 * the value of the {@link Token}
41 * get the value (String representation) of the token
49 abstract void mutateStackForInfixTranslation(Stack<Token> operatorStack, StringBuilder output);