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comparison agent/src/share/classes/sun/jvm/hotspot/utilities/soql/JSJavaField.java @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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-1:000000000000 0:a61af66fc99e
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 }