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

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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children c18cbe5936b8
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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 sun.jvm.hotspot.oops.*;
28
29 /**
30 * Wraps a java.lang.String instance of the target VM.
31 */
32 public class JSJavaString extends JSJavaInstance {
33 public JSJavaString(Instance instance, JSJavaFactory fac) {
34 super(instance, fac);
35 }
36
37 public String toString() {
38 StringBuffer buf = new StringBuffer();
39 buf.append("String (address=");
40 buf.append(getOop().getHandle());
41 buf.append(", value=");
42 buf.append("'");
43 buf.append(getString());
44 buf.append('\'');
45 buf.append(')');
46 return buf.toString();
47 }
48
49 protected Object getFieldValue(String name) {
50 if (name.equals("stringValue")) {
51 return getString();
52 } else {
53 return super.getFieldValue(name);
54 }
55 }
56
57 protected String[] getFieldNames() {
58 String[] fields = super.getFieldNames();
59 String[] res = new String[fields.length + 1];
60 System.arraycopy(fields, 0, res, 0, fields.length);
61 res[fields.length] = "stringValue";
62 return res;
63 }
64
65 protected boolean hasField(String name) {
66 if (name.equals("stringValue")) {
67 return true;
68 } else {
69 return super.hasField(name);
70 }
71 }
72
73 //-- Internals only below this point
74 private String getString() {
75 return OopUtilities.stringOopToString(getOop());
76 }
77 }