1 | import javax.swing.*;
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2 | import java.awt.*;
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3 | import java.util.*;
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4 | import java.util.Map.Entry;
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5 | import java.util.List;
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6 | import java.util.zip.*;
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7 | import java.io.*;
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8 | import java.net.*;
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9 |
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10 | import javax.script.*;
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11 |
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12 | public class TestJS2 {
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13 |
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14 | public static class API {
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15 | public static void hi() {
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16 | System.out.println("ho");
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17 | }
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18 | }
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19 |
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20 | public static void main(String[] args) {
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21 |
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22 |
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23 | ScriptEngineManager mgr = new ScriptEngineManager();
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24 |
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25 | ScriptEngine jsEngine = mgr.getEngineByName("rhino");
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26 |
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27 | Map<String, String> map = new HashMap<String, String>();
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28 | map.put("key1", "value1");
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29 | map.put("key2", "value2");
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30 | Map<String, List<String>> lists = new HashMap<String, List<String>>();
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31 | lists.put("lkey1", Arrays.asList("first", "list"));
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32 | lists.put("lkey2", Arrays.asList("second", "list"));
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33 |
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34 | jsEngine.put("map", map);
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35 | jsEngine.put("lists", lists);
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36 | jsEngine.put("_API", new API());
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37 |
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38 | String init =
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39 | "API = {};"+
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40 | "API.hi = _API.hi;"+
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41 | "API.pref = {};"+
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42 | "for (it = map.entrySet().iterator(); it.hasNext();) {"+
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43 | " e = it.next();"+
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44 | " API.pref[String(e.getKey())] = String(e.getValue());"+
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45 | "}"+
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46 | "for (it = lists.entrySet().iterator(); it.hasNext();) {"+
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47 | " e = it.next();"+
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48 | " list = e.getValue();"+
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49 | " jsList = [];"+
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50 | " for (i = 0; i < list.size(); i++) {"+
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51 | " jsList.push(String(list.get(i)));"+
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52 | " }"+
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53 | " jsList.type = 'list';"+
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54 | " API.pref[String(e.getKey())] = jsList;"+
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55 | "}"+
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56 | "map = null; lists = null;";
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57 |
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58 | String script =
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59 | "API.hi();"+
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60 | "API.pref['key3'] = 'value3';"+
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61 | "API.pref['lkey2'].push('another');";
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62 |
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63 | String finish =
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64 | "map = new java.util.HashMap;"+
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65 | "lists = new java.util.HashMap;"+
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66 | "for (key in API.pref) {"+
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67 | " val = API.pref[key];"+
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68 | " type = typeof val == 'string' ? 'string' : val.type;"+
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69 | " if (type == 'string') {"+
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70 | " map.put(key, val);"+
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71 | " } else if (type == 'list') {"+
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72 | " l = new java.util.ArrayList;"+
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73 | " for (i=0; i<val.length; i++) {"+
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74 | " l.add(val[i]);"+
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75 | " }"+
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76 | " lists.put(key, l);"+
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77 | " }"+
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78 | "}";
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79 | try {
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80 | System.out.println("Running init...");
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81 | jsEngine.eval(init);
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82 | System.out.println("Running script...");
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83 | jsEngine.eval(script);
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84 | System.out.println("Running finish...");
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85 | jsEngine.eval(finish);
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86 | Map<String, String> map2 = (HashMap) jsEngine.get("map");
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87 | Map<String, List<String>> lists2 = (HashMap) jsEngine.get("lists");;
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88 |
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89 | System.out.println("map2: "+map2);
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90 | System.out.println("lists2: "+lists2);
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91 | } catch (ScriptException ex) {
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92 | ex.printStackTrace();
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93 | }
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94 | }
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95 | }
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