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1 package org.unicode.cldr.util;
2 
3 import java.lang.reflect.Field;
4 import java.lang.reflect.Modifier;
5 
6 public final class BoilerplateUtilities {
7 
toStringHelper(Object object)8     public static String toStringHelper(Object object) {
9         StringBuffer result = new StringBuffer("[");
10         Class<?> cls = object.getClass();
11         Field[] fields = cls.getDeclaredFields();
12         boolean gotOne = false;
13         for (int i = 0; i < fields.length; ++i) {
14             int mods = fields[i].getModifiers();
15             if (Modifier.isStatic(mods)) continue;
16             Object value = "no-access";
17             try {
18                 value = fields[i].get(object);
19             } catch (Exception e) {
20             }
21             if (value == null) continue;
22             if (gotOne) result.append(", ");
23             result.append(fields[i].getName()).append('=').append(value);
24             gotOne = true;
25         }
26         result.append("]");
27         return result.toString();
28     }
29 
30     @SuppressWarnings("unchecked")
compareToHelper(Object a, Object b, int depth)31     public static int compareToHelper(Object a, Object b, int depth) {
32         if (a == null) {
33             return b == null ? 0 : -1;
34         } else if (b == null) {
35             return 1;
36         }
37         Class<?> aClass = a.getClass();
38         Class<?> bClass = b.getClass();
39         if (aClass != bClass) {
40             return aClass.getName().compareTo(bClass.getName());
41         }
42         if (depth != 0 && a instanceof Comparable<?>) {
43             return ((Comparable<Object>) a).compareTo(b);
44         }
45         if (a instanceof Number) {
46             double aDouble = ((Number) a).doubleValue();
47             double bDouble = ((Number) b).doubleValue();
48             return aDouble < bDouble ? -1 : aDouble == bDouble ? 0 : -1;
49         }
50         Field[] fields = aClass.getDeclaredFields();
51         for (int i = 0; i < fields.length; ++i) {
52             int mods = fields[i].getModifiers();
53             if (Modifier.isStatic(mods)) continue;
54             try {
55                 fields[i].get(a);
56                 fields[i].get(b);
57             } catch (Exception e) {
58             }
59             int result = compareToHelper(a, b, depth + 1);
60             if (result != 0) return result;
61         }
62         return 0;
63     }
64 }