| /************************************************************************ |
| * |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER |
| * |
| * Copyright 2008, 2010 Oracle and/or its affiliates. All rights reserved. |
| * |
| * Use is subject to license terms. |
| * |
| * Licensed 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. You can also |
| * obtain a copy of the License at http://odftoolkit.org/docs/license.txt |
| * |
| * 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; |
| |
| import java.util.regex.Pattern; |
| |
| /** |
| * This class represents the in OpenDocument format used data type {@odf.datatype nonNegativeLength} |
| */ |
| public class NonNegativeLength extends Length { |
| |
| |
| private static final Pattern nonNegativeLengthPattern = Pattern.compile("^?([0-9]+(\\.[0-9]*)?|\\.[0-9]+)((cm)|(mm)|(in)|(pt)|(pc)|(px))$"); |
| /** |
| * Construct NonNegativeLength by the parsing the given string |
| * |
| * @param length |
| * The String to be parsed into NonNegativeLength |
| * @throws NumberFormatException if the given argument is not a valid NonNegativeLength |
| */ |
| public NonNegativeLength(String length) throws NumberFormatException { |
| super(length); |
| if (!isValid(length)){ |
| throw new NumberFormatException( |
| "parameter is invalid for datatype NonNegativeLength"); |
| } |
| } |
| |
| /** |
| * Returns a NonNegativeLength instance representing the specified String |
| * value |
| * |
| * @param stringValue |
| * a String value |
| * @return return a NonNegativeLength instance representing stringValue |
| * @throws NumberFormatException if the given argument is not a valid NonNegativeLength |
| */ |
| public static NonNegativeLength valueOf(String stringValue) |
| throws NumberFormatException { |
| return new NonNegativeLength(stringValue); |
| } |
| |
| /** |
| * check if the specified String instance is a valid {@odf.datatype nonNegativeLength} data |
| * type |
| * |
| * @param stringValue |
| * the value to be tested |
| * @return true if the value of argument is valid for {@odf.datatype nonNegativeLength} data |
| * type false otherwise |
| */ |
| public static boolean isValid(String stringValue) { |
| if ((stringValue == null) || (!nonNegativeLengthPattern.matcher(stringValue).matches())) { |
| return false; |
| } else { |
| return true; |
| } |
| } |
| } |