| /************************************************************************ |
| * |
| * 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 languageCode} |
| */ |
| public class LanguageCode implements OdfDataType { |
| |
| private String mLanguageCode; |
| private static final Pattern languageCodePattern = Pattern.compile("^[A-Za-z]{1,8}$"); |
| |
| /** |
| * Construct LanguageCode by the parsing the given string |
| * |
| * @param languageCode The String to be parsed into LanguageCode |
| * @throws IllegalArgumentException if the given argument is not a valid langageCode |
| */ |
| public LanguageCode(String languageCode) throws IllegalArgumentException { |
| if (!isValid(languageCode)) { |
| throw new IllegalArgumentException( |
| "parameter is invalid for datatype LanguageCode"); |
| } |
| |
| // validate 'LanguageCode' type which is defined in W3C schema |
| // http://www.w3.org/TR/xmlschema-2/#token |
| if (!W3CSchemaType.isValid("token", languageCode)) { |
| throw new IllegalArgumentException( |
| "parameter is invalid for datatype LanguageCode"); |
| } |
| mLanguageCode = languageCode; |
| } |
| |
| /** |
| * Returns a String Object representing this LanguageCode's value |
| * |
| * @return return a string representation of the value of this LanguageCode |
| * object |
| */ |
| @Override |
| public String toString() { |
| return mLanguageCode; |
| } |
| |
| /** |
| * Returns a LanguageCode instance representing the specified String value |
| * |
| * @param stringValue |
| * a String value |
| * @return return a LanguageCode instance representing stringValue |
| * @throws IllegalArgumentException if the given argument is not a valid LanguageCode |
| */ |
| public static LanguageCode valueOf(String stringValue) |
| throws IllegalArgumentException { |
| return new LanguageCode(stringValue); |
| } |
| |
| /** |
| * check if the specified String instance is a valid {@odf.datatype languageCode} data type |
| * |
| * @param stringValue |
| * the value to be tested |
| * @return true if the value of argument is valid for {@odf.datatype languageCode} data type |
| * false otherwise |
| */ |
| public static boolean isValid(String stringValue) { |
| if (stringValue == null || !languageCodePattern.matcher(stringValue).matches()) { |
| return true; |
| } else { |
| return W3CSchemaType.isValid("token", stringValue); |
| } |
| } |
| } |