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comparison agent/src/share/classes/sun/jvm/hotspot/utilities/soql/MapScriptObject.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 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 package sun.jvm.hotspot.utilities.soql;
25
26 import java.util.Map;
27 import java.util.HashMap;
28 import java.util.Collections;
29 import java.lang.reflect.Method;
30 import java.lang.reflect.Constructor;
31 import javax.script.Invocable;
32
33 /**
34 * Simple implementation of ScriptObject interface
35 * with property storage backed by a Map. This class
36 * can be extended to override any of the methods, in
37 * particular to add "function" valued properties.
38 */
39 public class MapScriptObject implements ScriptObject {
40 // map to store the properties
41 private Map map;
42
43 public MapScriptObject() {
44 this(new HashMap());
45 }
46
47 public MapScriptObject(Map map) {
48 // make it synchronized
49 this.map = Collections.synchronizedMap(map);
50 }
51
52 public Object[] getIds() {
53 return map.keySet().toArray();
54 }
55
56 public Object get(String name) {
57 if (has(name)) {
58 return map.get(name);
59 } else {
60 return UNDEFINED;
61 }
62 }
63
64 public Object get(int index) {
65 if (has(index)) {
66 Object key = Integer.valueOf(index);
67 return map.get(key);
68 } else {
69 return UNDEFINED;
70 }
71 }
72
73 public void put(String name, Object value) {
74 map.put(name, value);
75 }
76
77 public void put(int index, Object value) {
78 map.put(Integer.valueOf(index), value);
79 }
80
81 public boolean has(String name) {
82 return map.containsKey(name);
83 }
84
85 public boolean has(int index) {
86 return map.containsKey(Integer.valueOf(index));
87 }
88
89 public boolean delete(String name) {
90 if (map.containsKey(name)) {
91 map.remove(name);
92 return true;
93 } else {
94 return false;
95 }
96 }
97
98 public boolean delete(int index) {
99 Object key = Integer.valueOf(index);
100 if (map.containsKey(key)) {
101 map.remove(key);
102 return true;
103 } else {
104 return false;
105 }
106 }
107
108 // add a function valued property that invokes given Method
109 protected void putFunction(Object target, Method method) {
110 putFunction(target, method, true);
111 }
112
113 // add a function valued property that invokes given Method
114 protected void putFunction(Object target, Method method, boolean wrapArgs) {
115 map.put(method.getName(), new MethodCallable(target, method, wrapArgs));
116 }
117
118 // add a function valued property that invokes given script function
119 protected void putFunction(Object target, String name, Invocable invocable) {
120 map.put(name, new InvocableCallable(target, name, invocable));
121 }
122 }