Mercurial > hg > truffle
comparison agent/src/share/classes/sun/jvm/hotspot/utilities/soql/JSJavaField.java @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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-1:000000000000 | 0:a61af66fc99e |
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1 /* | |
2 * Copyright 2004-2007 Sun Microsystems, Inc. All Rights Reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 package sun.jvm.hotspot.utilities.soql; | |
26 | |
27 import java.util.*; | |
28 import sun.jvm.hotspot.oops.*; | |
29 import sun.jvm.hotspot.runtime.*; | |
30 | |
31 public class JSJavaField extends DefaultScriptObject { | |
32 private static final int FIELD_NAME = 0; | |
33 private static final int FIELD_SIGNATURE = 1; | |
34 private static final int FIELD_HOLDER = 2; | |
35 private static final int FIELD_IS_PRIVATE = 3; | |
36 private static final int FIELD_IS_PUBLIC = 4; | |
37 private static final int FIELD_IS_PROTECTED = 5; | |
38 private static final int FIELD_IS_PACKAGE_PRIVATE = 6; | |
39 private static final int FIELD_IS_STATIC = 7; | |
40 private static final int FIELD_IS_FINAL = 8; | |
41 private static final int FIELD_IS_VOLATILE = 9; | |
42 private static final int FIELD_IS_TRANSIENT = 10; | |
43 private static final int FIELD_IS_SYNTHETIC = 11; | |
44 private static final int FIELD_UNDEFINED = -1; | |
45 | |
46 public JSJavaField(Field f, JSJavaFactory fac) { | |
47 this.field = f; | |
48 this.factory = fac; | |
49 } | |
50 | |
51 public Object get(String name) { | |
52 int fieldID = getFieldID(name); | |
53 switch (fieldID) { | |
54 case FIELD_NAME: | |
55 return field.getID().getName(); | |
56 case FIELD_SIGNATURE: | |
57 return field.getSignature().asString(); | |
58 case FIELD_HOLDER: | |
59 return getFieldHolder(); | |
60 case FIELD_IS_PRIVATE: | |
61 return Boolean.valueOf(field.isPrivate()); | |
62 case FIELD_IS_PUBLIC: | |
63 return Boolean.valueOf(field.isPublic()); | |
64 case FIELD_IS_PROTECTED: | |
65 return Boolean.valueOf(field.isProtected()); | |
66 case FIELD_IS_PACKAGE_PRIVATE: | |
67 return Boolean.valueOf(field.isPackagePrivate()); | |
68 case FIELD_IS_STATIC: | |
69 return Boolean.valueOf(field.isStatic()); | |
70 case FIELD_IS_FINAL: | |
71 return Boolean.valueOf(field.isFinal()); | |
72 case FIELD_IS_VOLATILE: | |
73 return Boolean.valueOf(field.isVolatile()); | |
74 case FIELD_IS_TRANSIENT: | |
75 return Boolean.valueOf(field.isTransient()); | |
76 case FIELD_IS_SYNTHETIC: | |
77 return Boolean.valueOf(field.isSynthetic()); | |
78 case FIELD_UNDEFINED: | |
79 default: | |
80 return super.get(name); | |
81 } | |
82 } | |
83 | |
84 public Object[] getIds() { | |
85 Object[] fieldNames = fields.keySet().toArray(); | |
86 Object[] superFields = super.getIds(); | |
87 Object[] res = new Object[fieldNames.length + superFields.length]; | |
88 System.arraycopy(fieldNames, 0, res, 0, fieldNames.length); | |
89 System.arraycopy(superFields, 0, res, fieldNames.length, superFields.length); | |
90 return res; | |
91 } | |
92 | |
93 public boolean has(String name) { | |
94 if (getFieldID(name) != FIELD_UNDEFINED) { | |
95 return true; | |
96 } else { | |
97 return super.has(name); | |
98 } | |
99 } | |
100 | |
101 public void put(String name, Object value) { | |
102 if (getFieldID(name) == FIELD_UNDEFINED) { | |
103 super.put(name, value); | |
104 } | |
105 } | |
106 | |
107 public boolean equals(Object o) { | |
108 if (o == null || !(o instanceof JSJavaField)) { | |
109 return false; | |
110 } | |
111 | |
112 JSJavaField other = (JSJavaField) o; | |
113 return field.equals(other.field); | |
114 } | |
115 | |
116 public int hashCode() { | |
117 return field.hashCode(); | |
118 } | |
119 | |
120 public String toString() { | |
121 StringBuffer buf = new StringBuffer(); | |
122 buf.append("Field "); | |
123 buf.append(field.getFieldHolder().getName().asString().replace('/', '.')); | |
124 buf.append('.'); | |
125 buf.append(field.getID().getName()); | |
126 return buf.toString(); | |
127 } | |
128 | |
129 //-- Internals only below this point | |
130 private JSJavaObject getFieldHolder() { | |
131 return factory.newJSJavaKlass(field.getFieldHolder()).getJSJavaClass(); | |
132 } | |
133 | |
134 private static Map fields = new HashMap(); | |
135 private static void addField(String name, int fieldId) { | |
136 fields.put(name, new Integer(fieldId)); | |
137 } | |
138 | |
139 private static int getFieldID(String name) { | |
140 Integer res = (Integer) fields.get(name); | |
141 return (res != null)? res.intValue() : FIELD_UNDEFINED; | |
142 } | |
143 | |
144 static { | |
145 addField("name", FIELD_NAME); | |
146 addField("signature", FIELD_SIGNATURE); | |
147 addField("holder", FIELD_HOLDER); | |
148 addField("isPrivate", FIELD_IS_PRIVATE); | |
149 addField("isPublic", FIELD_IS_PUBLIC); | |
150 addField("isProtected", FIELD_IS_PROTECTED); | |
151 addField("isPackagePrivate", FIELD_IS_PACKAGE_PRIVATE); | |
152 addField("isStatic", FIELD_IS_STATIC); | |
153 addField("isFinal", FIELD_IS_FINAL); | |
154 addField("isVolatile", FIELD_IS_VOLATILE); | |
155 addField("isTransient", FIELD_IS_TRANSIENT); | |
156 addField("isSynthetic", FIELD_IS_SYNTHETIC); | |
157 } | |
158 | |
159 private final Field field; | |
160 private final JSJavaFactory factory; | |
161 } |