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1   /**
2    *    Copyright 2009-2015 the original author or authors.
3    *
4    *    Licensed under the Apache License, Version 2.0 (the "License");
5    *    you may not 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.
15   */
16  package org.apache.ibatis.reflection.property;
17  
18  import java.util.Locale;
19  
20  import org.apache.ibatis.reflection.ReflectionException;
21  
22  /**
23   * @author Clinton Begin
24   */
25  public final class PropertyNamer {
26  
27    private PropertyNamer() {
28      // Prevent Instantiation of Static Class
29    }
30  
31    public static String methodToProperty(String name) {
32      if (name.startsWith("is")) {
33        name = name.substring(2);
34      } else if (name.startsWith("get") || name.startsWith("set")) {
35        name = name.substring(3);
36      } else {
37        throw new ReflectionException("Error parsing property name '" + name + "'.  Didn't start with 'is', 'get' or 'set'.");
38      }
39  
40      if (name.length() == 1 || (name.length() > 1 && !Character.isUpperCase(name.charAt(1)))) {
41        name = name.substring(0, 1).toLowerCase(Locale.ENGLISH) + name.substring(1);
42      }
43  
44      return name;
45    }
46  
47    public static boolean isProperty(String name) {
48      return name.startsWith("get") || name.startsWith("set") || name.startsWith("is");
49    }
50  
51    public static boolean isGetter(String name) {
52      return name.startsWith("get") || name.startsWith("is");
53    }
54  
55    public static boolean isSetter(String name) {
56      return name.startsWith("set");
57    }
58  
59  }