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1
16
17 package org.apache.axis.constants;
18
19 import org.apache.axis.components.logger.LogFactory;
20 import org.apache.axis.utils.Messages;
21 import org.apache.commons.logging.Log;
22
23 import java.util.Hashtable  ;
24
25
26
32 public abstract class Enum implements java.io.Serializable {
33 private static final Hashtable types = new Hashtable (13);
34
35 protected static Log log =
36 LogFactory.getLog(Enum .class.getName());
37
38 private final Type type;
39 public final int value;
40 public final String name;
41
42 protected Enum(Type type, int value, String name) {
43 this.type = type;
44 this.value = value;
45 this.name = name.intern();
46 }
47
48 public final int getValue() { return value; }
49 public final String getName() { return name; }
50 public final Type getType() { return type; }
51
52 public String toString() {
53 return name;
54 }
55
56 public final boolean equals(Object obj) {
57 return (obj != null && obj instanceof Enum )
58 ? _equals((Enum )obj)
59 : false;
60 }
61
62 public int hashCode() {
63 return value;
64 }
65
66 public final boolean equals(Enum obj) {
67 return (obj != null) ? _equals(obj) : false;
68 }
69
70
76 private final boolean _equals(Enum obj) {
77 return ( obj.type == type &&
79 obj.value == value);
80 }
81
82 public abstract static class Type implements java.io.Serializable {
83 private final String name;
84 private final Enum [] enums;
85 private Enum dephault = null;
86
87 protected Type(String name, Enum [] enums) {
88 this.name = name.intern();
89 this.enums = enums;
90 synchronized (types) {
91 types.put(name, this);
92 }
93 }
94
95 public void setDefault(Enum dephault) {
96 this.dephault = dephault;
97 }
98
99 public Enum getDefault() {
100 return dephault;
101 }
102
103 public final String getName() {
104 return name;
105 }
106
107 public final boolean isValid(String enumName) {
108 for (int enumElt = 0; enumElt < enums.length; enumElt++) {
109 if (enums[enumElt].getName().equalsIgnoreCase(enumName))
110 return true;
111 }
112
113 return false;
114 }
115
116 public final int size() {
117 return enums.length;
118 }
119
120
123 public final String [] getEnumNames() {
124 String [] nms = new String [ size() ];
125
126 for (int idx = 0; idx < enums.length; idx++)
127 nms[idx] = enums[idx].getName();
128
129 return nms;
130 }
131
132
135 public final Enum getEnum(int enumElt) {
136 return (enumElt >= 0 && enumElt < enums.length) ? enums[enumElt] : null;
137 }
138
139
142 public final Enum getEnum(String enumName) {
143 Enum e = getEnum(enumName, null);
144
145 if (e == null) {
146 log.error(Messages.getMessage("badEnum02", name, enumName));
147 }
148
149 return e;
150 }
151
152
159 public final Enum getEnum(String enumName, Enum dephault) {
160 if (enumName != null && enumName.length() > 0) {
161 for (int enumElt = 0; enumElt < enums.length; enumElt++) {
162 Enum e = enums[enumElt];
163 if (e.getName().equalsIgnoreCase(enumName))
164 return e;
165 }
166 }
167
168 return dephault;
169 }
170
171 private Object readResolve() throws java.io.ObjectStreamException {
172 Object type = types.get(name);
173 if (type == null) {
174 type = this;
175 types.put(name, type);
176 }
177 return type;
178 }
179 }
180 }
181 |
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