| /* |
| * 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.apache.uima.cas.text; |
| |
| public class Language { |
| |
| public static final String UNSPECIFIED_LANGUAGE = "x-unspecified"; |
| |
| // TODO: finish implementing this class |
| |
| public static final Language ZH = new Language("zh"); |
| |
| public static final Language ZH_CN = new Language("zh-cn"); |
| |
| public static final Language ZH_TW = new Language("zh-tw"); |
| |
| public static final char CANONICAL_LANG_SEPARATOR = '-'; |
| |
| private String lang; |
| |
| private String langPart = null; |
| |
| private String territoryPart = null; |
| |
| /** |
| * |
| */ |
| public Language(String language) { |
| super(); |
| this.lang = normalize(language); |
| this.parseLanguage(); |
| } |
| |
| public static final String normalize(String lang) { |
| if (lang == null) { |
| return UNSPECIFIED_LANGUAGE; |
| } |
| lang = lang.toLowerCase(); |
| lang = lang.replace('_', CANONICAL_LANG_SEPARATOR); |
| return lang; |
| } |
| |
| public String getLanguagePart() { |
| return this.langPart; |
| } |
| |
| public String getTerritoryPart() { |
| return this.territoryPart; |
| } |
| |
| public String getFullLanguage() { |
| return this.lang; |
| } |
| |
| private final void parseLanguage() { |
| int pos = this.lang.indexOf(CANONICAL_LANG_SEPARATOR); |
| if (pos >= 0) { |
| this.langPart = this.lang.substring(0, pos); |
| } else { |
| this.langPart = this.lang; |
| return; |
| } |
| ++pos; |
| if (pos < this.lang.length()) { |
| this.territoryPart = this.lang.substring(pos); |
| } |
| } |
| |
| public String toString() { |
| return "Full language string: " + this.getFullLanguage() + ", language part: " |
| + this.getLanguagePart() + ", territory part: " + this.getTerritoryPart(); |
| } |
| |
| public static void main(String[] args) { |
| System.out.println(Language.ZH); |
| System.out.println(Language.ZH_CN); |
| System.out.println(new Language("en_US_NY")); |
| } |
| |
| } |