/* 
    P/P   *  Method: org.apache.roller.weblogger.util.I18nUtils__static_init
          */
     1  /*
     2   * Licensed to the Apache Software Foundation (ASF) under one or more
     3   * contributor license agreements.  The ASF licenses this file to You
     4   * under the Apache License, Version 2.0 (the "License"); you may not
     5   * use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *   http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.  For additional information regarding
    15   * copyright in this work, please see the NOTICE file in the top level
    16   * directory of this distribution.
    17   */
    18  
    19  package org.apache.roller.weblogger.util;
    20  
    21  import java.util.Locale;
    22  import org.apache.commons.lang.StringUtils;
    23  
    24  
    25  /**
    26   * A utility class for dealing with i18n.
    27   */
         /* 
    P/P   *  Method: void org.apache.roller.weblogger.util.I18nUtils()
          */
    28  public final class I18nUtils {
    29      
    30      public static final Locale toLocale(String locale) {
                 /* 
    P/P           *  Method: Locale toLocale(String)
                  * 
                  *  Presumptions:
                  *    org.apache.commons.lang.StringUtils:split(...)@32 != null
                  * 
                  *  Postconditions:
                  *    init'ed(return_value)
                  *    new Locale(toLocale#1) num objects <= 1
                  *    new Locale(toLocale#2) num objects <= 1
                  *    new Locale(toLocale#3) num objects <= 1
                  * 
                  *  Test Vectors:
                  *    locale: Addr_Set{null}, Inverse{null}
                  *    localeStr.length@32: {0, 4..+Inf}, {1}, {2}, {3}
                  */
    31          if (locale != null) {
    32              String[] localeStr = StringUtils.split(locale,"_");
    33              if (localeStr.length == 1) {
+   34                  if (localeStr[0] == null) localeStr[0] = "";
    35                  return new Locale(localeStr[0]);
    36              } else if (localeStr.length == 2) {
+   37                  if (localeStr[0] == null) localeStr[0] = "";
+   38                  if (localeStr[1] == null) localeStr[1] = "";
    39                  return new Locale(localeStr[0], localeStr[1]);
    40              } else if (localeStr.length == 3) {
+   41                  if (localeStr[0] == null) localeStr[0] = "";
+   42                  if (localeStr[1] == null) localeStr[1] = "";
+   43                  if (localeStr[2] == null) localeStr[2] = "";
    44                  return new Locale(localeStr[0], localeStr[1], localeStr[2]);
    45              }
    46          }
    47          return Locale.getDefault();
    48      }
    49      
    50  }