content: /**
   * Copyright 2010 The Apache Software Foundation
   *
   * 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 com.alibaba.wasp.jdbc.value;
  
  /**
   * Implementation of the CHAR data type.
   */
  public class ValueStringFixed extends ValueString {
  
      private static final ValueStringFixed EMPTY = new ValueStringFixed("");
  
      protected ValueStringFixed(String value) {
          super(value);
      }
  
      private static String trimRight(String s) {
          int endIndex = s.length() - 1;
          int i = endIndex;
          while (i >= 0 && s.charAt(i) == ' ') {
              i--;
          }
          s = i == endIndex ? s : s.substring(0, i + 1);
          return s;
      }
  
      public int getType() {
          return STRING_FIXED;
      }
  
      /**
       * Get or create a fixed length string value for the given string.
       * Spaces at the end of the string will be removed.
       *
       * @param s the string
       * @return the value
       */
      public static ValueStringFixed get(String s) {
          s = trimRight(s);
          if (s.length() == 0) {
              return EMPTY;
          }
          ValueStringFixed obj = new ValueStringFixed(s);
          return obj;
      }
  
      protected ValueString getNew(String s) {
          return ValueStringFixed.get(s);
      }
  
  }
  