| /************************************************************************ |
| * |
| * 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 percent} |
| */ |
| public class Percent implements OdfFieldDataType, OdfDataType { |
| |
| private double mN; |
| private static final Pattern percentPattern = Pattern.compile("^-?([0-9]+(\\.[0-9]*)?|\\.[0-9]+)%$"); |
| |
| /** |
| * Allocates a Percent object representing the n argument |
| * |
| * @param n |
| * the value of the Percent |
| * @throws IllegalArgumentException if the given argument is not a valid Percent |
| */ |
| public Percent(double n) throws IllegalArgumentException { |
| mN = n; |
| } |
| |
| /** |
| * Returns a String Object representing this Percent's value |
| * |
| * @return return a string representation of the value of this Percent |
| * object |
| */ |
| @Override |
| public String toString() { |
| return Double.toString(mN * 100) + "%"; |
| } |
| |
| /** |
| * Returns a Percent instance representing the specified String value |
| * |
| * @param stringValue |
| * a String value |
| * @return return a Percent instance representing stringValue |
| * @throws IllegalArgumentException if the given argument is not a valid Percent |
| */ |
| public static Percent valueOf(String stringValue) |
| throws IllegalArgumentException { |
| if ((stringValue == null) || (stringValue.length() == 0)) { |
| return new Percent(0.0); |
| } |
| |
| int n = stringValue.indexOf("%"); |
| if (n != -1) { |
| return new Percent(Double.valueOf(stringValue.substring(0, n)).doubleValue() / 100); |
| } else { |
| throw new IllegalArgumentException("parameter is invalid for datatype Percent"); |
| } |
| } |
| |
| /** |
| * Returns the value of this Percent object as a double primitive |
| * |
| * @return the primitive double value of this Percent object. |
| */ |
| public double doubleValue() { |
| return mN; |
| } |
| |
| /** |
| * check if the specified Double instance is a valid {@odf.datatype percent} data type |
| * |
| * @param doubleValue |
| * the value to be tested |
| * @return true if the value of argument is valid for {@odf.datatype percent} data type |
| * false otherwise |
| */ |
| public static boolean isValid(Double doubleValue) { |
| if (doubleValue == null) { |
| return false; |
| } else { |
| return true; |
| } |
| } |
| |
| /** |
| * check if the specified String instance is a valid {@odf.datatype percent} data type |
| * |
| * @param stringValue |
| * the value to be tested |
| * @return true if the value of argument is valid for {@odf.datatype percent} data type |
| * false otherwise |
| */ |
| public static boolean isValid(String stringValue) { |
| if ((stringValue == null) || (!percentPattern.matcher(stringValue).matches())) { |
| return false; |
| } else { |
| return true; |
| } |
| } |
| } |