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1
4 package com.tc.object;
5
6 import com.tc.object.dna.impl.ClassInstance;
7 import com.tc.object.dna.impl.ClassLoaderInstance;
8 import com.tc.object.dna.impl.EnumInstance;
9 import com.tc.object.dna.impl.UTF8ByteDataHolder;
10 import com.tc.util.Assert;
11 import com.tc.util.ClassUtils;
12
13 import java.math.BigDecimal  ;
14 import java.math.BigInteger ;
15 import java.util.Collections ;
16 import java.util.HashMap ;
17 import java.util.Map ;
18
19
22 public class LiteralValues {
23 public final static String ENUM_CLASS_DOTS = "java.lang.Enum";
24
25 public final static int INTEGER = 0;
27 public final static int LONG = 1;
28 public final static int CHARACTER = 2;
29 public final static int FLOAT = 3;
30 public final static int DOUBLE = 4;
31 public final static int BYTE = 5;
32 public final static int STRING = 6;
33 public final static int BOOLEAN = 7;
34 public final static int SHORT = 8;
35 public final static int ARRAY = 9;
36 public final static int OBJECT = 10;
37 public final static int OBJECT_ID = 11;
38 public final static int STRING_BYTES = 12;
39 public final static int JAVA_LANG_CLASS = 13;
40 public final static int JAVA_LANG_CLASS_HOLDER = 14;
41 public final static int STACK_TRACE_ELEMENT = 15;
42 public final static int BIG_INTEGER = 16;
43 public final static int BIG_DECIMAL = 17;
44 public final static int JAVA_LANG_CLASSLOADER = 18;
45 public final static int JAVA_LANG_CLASSLOADER_HOLDER = 19;
46 public final static int ENUM = 20;
47 public final static int ENUM_HOLDER = 21;
48
49 private final Map values;
50
51 public LiteralValues() {
52 super();
53
54 Map tmp = new HashMap ();
55
56 addMapping(tmp, Integer .class.getName(), INTEGER);
57 addMapping(tmp, int.class.getName(), INTEGER);
58 addMapping(tmp, Long .class.getName(), LONG);
59 addMapping(tmp, long.class.getName(), LONG);
60 addMapping(tmp, Character .class.getName(), CHARACTER);
61 addMapping(tmp, char.class.getName(), CHARACTER);
62 addMapping(tmp, Float .class.getName(), FLOAT);
63 addMapping(tmp, float.class.getName(), FLOAT);
64 addMapping(tmp, Double .class.getName(), DOUBLE);
65 addMapping(tmp, double.class.getName(), DOUBLE);
66 addMapping(tmp, Byte .class.getName(), BYTE);
67 addMapping(tmp, byte.class.getName(), BYTE);
68 addMapping(tmp, String .class.getName(), STRING);
69 addMapping(tmp, UTF8ByteDataHolder.class.getName(), STRING_BYTES);
70 addMapping(tmp, Short .class.getName(), SHORT);
71 addMapping(tmp, short.class.getName(), SHORT);
72 addMapping(tmp, Boolean .class.getName(), BOOLEAN);
73 addMapping(tmp, boolean.class.getName(), BOOLEAN);
74
75 addMapping(tmp, BigInteger .class.getName(), BIG_INTEGER);
76 addMapping(tmp, BigDecimal .class.getName(), BIG_DECIMAL);
77
78 addMapping(tmp, java.lang.Class .class.getName(), JAVA_LANG_CLASS);
79 addMapping(tmp, ClassInstance.class.getName(), JAVA_LANG_CLASS_HOLDER);
80 addMapping(tmp, ObjectID.class.getName(), OBJECT_ID);
81 addMapping(tmp, StackTraceElement .class.getName(), STACK_TRACE_ELEMENT);
82
83 addMapping(tmp, ClassLoaderInstance.class.getName(), JAVA_LANG_CLASSLOADER_HOLDER);
84 addMapping(tmp, ENUM_CLASS_DOTS, ENUM);
85 addMapping(tmp, EnumInstance.class.getName(), ENUM_HOLDER);
86
87 values = Collections.unmodifiableMap(tmp);
88 }
89
90 public int valueFor(Object pojo) {
91 if (pojo instanceof ClassLoader ) { return JAVA_LANG_CLASSLOADER; }
92
93 Class clazz = pojo.getClass();
94 int i = valueForClassName(clazz.getName());
95 if(i == OBJECT && ClassUtils.isEnum(pojo.getClass())) { return ENUM; }
96 return i;
97 }
98
99 public boolean isLiteral(String className) {
100 int i = valueForClassName(className);
101 return i != OBJECT && i != ARRAY;
102 }
103
104 public boolean isLiteralInstance(Object obj) {
105 if (obj == null) { return false; }
106 int i = valueFor(obj);
107 return i != OBJECT && i != ARRAY;
108 }
109
110 private static void addMapping(Map map, String className, int i) {
111 Object prev = map.put(className, new Integer (i));
112 Assert.assertNull(className, prev);
113 }
114
115 public int valueForClassName(String className) {
116 if ((className != null) && className.startsWith("[")) { return ARRAY; }
117 Integer i = (Integer ) values.get(className);
118 if (i == null) return OBJECT;
119 return i.intValue();
120 }
121 }
122 |
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