1 | package org.greenstone.gsdl3;
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2 |
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3 | import org.greenstone.gsdl3.core.*;
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4 | import org.greenstone.gsdl3.util.*;
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5 |
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6 | import java.io.BufferedReader;
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7 | import java.io.InputStreamReader;
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8 | import java.io.File;
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9 | import java.io.IOException;
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10 | final public class Library2 {
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11 |
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12 | public static void main(String args[]) {
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13 |
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14 | if (args.length != 2) {
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15 | System.out.println("Usage: Library2 <gsdl3home> <sitehome>");
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16 | System.exit(1);
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17 | }
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18 | String gsdl_home = args[0];
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19 | String transform_home = GSFile.xmlTransformDir(gsdl_home);
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20 | String site_home = args[1];
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21 |
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22 | MessageRouter mr = new MessageRouter();
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23 | mr.setSiteHome(site_home);
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24 | mr.configure();
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25 |
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26 | // for doing xslt transforms
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27 | XMLTransformer transformer = new XMLTransformer();
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28 |
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29 | BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
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30 | String query=null;
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31 | String request=null;
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32 | String result=null;
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33 | String collect=null;
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34 | String service=null;
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35 | String info=null;
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36 | while (true) {
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37 | System.out.println("Please enter a query type (choose from: describe, query) or 'exit' to quit");
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38 | try {
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39 | query = br.readLine();
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40 | query.trim();
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41 |
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42 | if (query.startsWith("exit")) {
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43 | System.exit(1);
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44 | }
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45 | if (query.equals("describe")|| query.equals("query")) {
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46 | System.out.println("\nPlease enter a collection name (or <enter> for no collection)");
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47 | collect = br.readLine();
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48 | collect.trim();
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49 | System.out.println("\nPlease enter a service name (or <enter> for no service)");
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50 | service = br.readLine();
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51 | service.trim();
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52 | System.out.println("\nPlease enter an info name (or <enter> for no info)");
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53 | info = br.readLine();
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54 | info.trim();
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55 |
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56 | request = "<message><request type='"+query+"' to='";
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57 |
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58 | if (!collect.equals ("")) {
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59 | request += collect+"/";
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60 | }
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61 | if (!service.equals("")) {
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62 | request += service+"/";
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63 | }
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64 | request += "'";
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65 | if (!info.equals("")) {
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66 | request += " info='"+info+"'";
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67 | }
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68 |
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69 | request += "/></message>";
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70 |
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71 | System.out.println("Sending message to MessageRouter:\n"+request);
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72 | result = mr.process(request);
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73 |
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74 | System.out.println("Raw Result:\n"+result+"\n");
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75 |
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76 | // transform the result
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77 |
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78 | // select a stylesheet
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79 | String stylesheet = null;
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80 | if (query.equals("describe")) {
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81 | if (collect.equals("")&&service.equals("")) {
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82 | stylesheet = transform_home+File.separatorChar+"home.xsl";
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83 | } else if (!collect.equals("")) {
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84 | stylesheet = transform_home+File.separatorChar+"collect_about.xsl";
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85 | } else if (!service.equals("")) {
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86 | stylesheet = transform_home+File.separatorChar+"service_about.xsl";
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87 | }
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88 | } else if (query.equals("query")) {
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89 | stylesheet = transform_home+File.separatorChar+"query_result.xsl";
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90 | }
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91 | if (stylesheet != null) {
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92 | File style = new File(stylesheet);
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93 | if (!style.exists()) {
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94 | System.err.println("stylesheet doesn't exist");
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95 | } else {
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96 |
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97 | String transformed_result = transformer.transform(stylesheet, result);
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98 | System.out.println("Transformed result:\n"+transformed_result);
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99 | }
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100 | } else {
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101 | System.out.println("no appropriate stylesheet found");
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102 | }
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103 | } else {
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104 | System.out.println("your request was not understood, sorry");
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105 | }
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106 |
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107 | } catch (IOException e) {
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108 | System.err.println("Library2 IO exception:"+e.getMessage());
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109 | }
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110 |
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111 | } // while (true
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112 | }
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113 |
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114 | }
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115 |
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116 |
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