| /************************************************************************ |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| ************************************************************************/ |
| package org.odftoolkit.odfdom.type; |
| |
| /** |
| * This class represents the in OpenDocument format used data type {@odf.datatype formula} |
| */ |
| public class Formula implements OdfDataType { |
| |
| private String mFormula; |
| |
| /** |
| * Construct Formula by the parsing the given string |
| * |
| * @param formula The String to be parsed into Formula |
| * @throws IllegalArgumentException if the given argument is not a valid Formula |
| */ |
| public Formula(String formula) throws IllegalArgumentException { |
| if (formula == null) { |
| throw new IllegalArgumentException( |
| "parameter can not be null for Formula"); |
| } |
| mFormula = formula; |
| } |
| |
| /** |
| * Returns a String Object representing this Formula's value |
| * |
| * @return return a string representation of the value of this Formula |
| * object |
| */ |
| @Override |
| public String toString() { |
| return mFormula; |
| } |
| |
| /** |
| * Returns a Formula instance representing the specified String value |
| * |
| * @param stringValue a String value |
| * @return return a Formula instance representing stringValue |
| * @throws IllegalArgumentException if the given argument is not a valid Formula |
| */ |
| public static Formula valueOf(String stringValue) |
| throws IllegalArgumentException { |
| return new Formula(stringValue); |
| } |
| |
| /** |
| * check if the specified String is a valid {@odf.datatype formula} data type |
| * |
| * @param stringValue the value to be tested |
| * @return true if the value of argument is valid for {@odf.datatype formula} data type |
| * false otherwise |
| */ |
| public static boolean isValid(String stringValue) { |
| if (stringValue == null) { |
| return false; |
| } |
| |
| return true; |
| } |
| } |