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1 /*
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2 * Copyright 2004-2007 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 package sun.jvm.hotspot.utilities.soql;
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26
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27 import java.util.*;
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28 import sun.jvm.hotspot.oops.*;
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29
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30 /**
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31 This is JavaScript wrapper for a Map.
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32 */
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33
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34 public class JSMap extends DefaultScriptObject {
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35 public JSMap(Map map, JSJavaFactory fac) {
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36 this.map = map;
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37 this.factory = fac;
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38 }
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39
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40 public Object get(String name) {
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41 if (map.containsKey(name)) {
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42 return wrapObject(map.get(name));
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43 } else {
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44 return super.get(name);
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45 }
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46 }
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47
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48 public Object[] getIds() {
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49 Object[] superIds = super.getIds();
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50 Object[] tmp = map.keySet().toArray();
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51 Object[] res = new Object[superIds.length + tmp.length];
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52 System.arraycopy(tmp, 0, res, 0, tmp.length);
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53 System.arraycopy(superIds, 0, res, tmp.length, superIds.length);
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54 return res;
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55 }
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56
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57 public boolean has(String name) {
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58 if (map.containsKey(name)) {
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59 return true;
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60 } else {
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61 return super.has(name);
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62 }
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63 }
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64
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65 public void put(String name, Object value) {
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66 if (! map.containsKey(name)) {
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67 super.put(name, value);
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68 }
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69 }
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70
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71 public String toString() {
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72 StringBuffer buf = new StringBuffer();
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73 Set keys = map.keySet();
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74 buf.append('{');
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75 for (Iterator itr = keys.iterator(); itr.hasNext();) {
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76 Object key = itr.next();
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77 buf.append(key);
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78 buf.append('=');
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79 buf.append(wrapObject(map.get(key)));
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80 if (itr.hasNext()) {
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81 buf.append(", ");
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82 }
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83 }
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84 buf.append('}');
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85 return buf.toString();
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86 }
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87
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88 private Object wrapObject(Object obj) {
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89 return factory.newJSJavaWrapper(obj);
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90 }
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91
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92 private final Map map;
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93 private final JSJavaFactory factory;
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94 }
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