1 | package org.greenstone.gsdl3_extension.mat.servlet;
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2 |
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3 | import java.io.*;
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4 | import java.net.*;
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5 | import java.util.*;
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6 | import java.util.regex.Matcher;
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7 | import java.util.regex.Pattern;
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8 |
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9 | import javax.servlet.*;
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10 | import javax.servlet.http.*;
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11 | import javax.xml.parsers.*;
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12 |
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13 | import org.xml.sax.*;
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14 | import org.w3c.dom.*;
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15 | import org.greenstone.gsdl3.util.GlobalProperties;
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16 | import org.greenstone.gsdl3.util.GSPath;
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17 | import java.net.Authenticator;
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18 | import java.net.PasswordAuthentication;
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19 |
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20 | public class MatServlet extends HttpServlet {
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21 |
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22 | private int port_number = 0;
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23 | private String oaiPrefix ="";
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24 | private String titleString;
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25 | private String h1String;
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26 | private String maxRecord;
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27 | private GlobalProperties globalProperty;
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28 | private String fileSeparator;
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29 | private String cssString;
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30 | private String headerString;
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31 | private String javaScript;
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32 | private String headerString2;
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33 | private String gsdl3Home;
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34 | private String logoURL;
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35 | private String description;
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36 | private String hostName;
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37 | private String proxyHost="http.proxyHost";
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38 | private String proxyPort="http.proxyPort";
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39 | private String proxyHostContent = "";
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40 | private String proxyPortContent = "";
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41 | //private String collection_creator = "";
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42 | private String proxyUserName= "";
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43 | private String proxyUserPassword = "";
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44 |
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45 | public void doGet(HttpServletRequest request,HttpServletResponse response)throws ServletException, IOException {
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46 |
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47 | port_number = request.getLocalPort();
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48 | loadRuntimeSettings();
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49 | PrintWriter out = response.getWriter();
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50 |
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51 | response.setContentType("text/html");
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52 | response.setHeader("pragma", "no-cache");
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53 |
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54 | out.println("<html>");
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55 | out.println(headerString);
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56 | out.println("<body>");
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57 | out.println("<img src="+logoURL+">");
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58 | out.println(h1String);
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59 | out.println("<p>"+description+"</p>");
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60 | out.println("<div><form method=\"post\" action=\"http://"+hostName+":"+port_number+"/greenstone3/mat\">");
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61 | out.println("<p>OAI URL: <input type=\"text\" name=\"oaiurl\" size=\"140\"></p>");
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62 | out.println("<p><input type=\"submit\" value=\"Analyse repository\"></p>");
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63 | out.println("</form>");
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64 |
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65 | out.println ("</body>");
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66 | out.println ("</html>");
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67 | out.close();
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68 | }
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69 |
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70 | protected void doPost(HttpServletRequest req, HttpServletResponse res)throws ServletException, IOException {
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71 |
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72 | port_number = req.getLocalPort();
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73 | loadRuntimeSettings();
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74 |
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75 | res.setContentType("text/html");
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76 | res.setHeader("pragma", "no-cache");
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77 | PrintWriter out = res.getWriter();
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78 |
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79 | out.println("<html>");
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80 |
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81 | if (req.getParameter("metadataPrefix") != null) {
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82 |
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83 | oaiPrefix = req.getParameter("metadataPrefix");
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84 | String maxRecords = req.getParameter("maxrecords");
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85 | Pattern pa = Pattern.compile("[0-9]{1,5}");
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86 | Matcher ma = pa.matcher(maxRecords);
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87 |
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88 | out.println(headerString2);
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89 | out.println("<body onLoad=\"autoSubmit()\">");
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90 | out.println(h1String);
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91 | out.println("<p>Please wait .... <br> It's downloading OAI records </p>");
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92 | out.println("<input type=\"button\" onClick=\"showdiv()\" value=\"show debug infomation\">");
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93 |
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94 | if(ma.matches()){
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95 | int num = Integer.parseInt(maxRecords);
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96 | if(num>0){
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97 | downloadCollection(out, req, res, oaiPrefix, maxRecords);
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98 | }
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99 | else{
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100 | downloadCollection(out, req, res, oaiPrefix, maxRecord);
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101 | }
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102 | }
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103 | else{
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104 | downloadCollection(out, req, res, oaiPrefix, maxRecord);
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105 | }
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106 |
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107 | }
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108 | else if(req.getParameter("matShell") != null){
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109 | out.println(headerString2);
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110 | out.println("<body onLoad=\"autoSubmit2()\">");
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111 | out.println(h1String);
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112 | out.println("<p>Please wait ...</p><p>It's building collection now.</p>");
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113 | out.println("<input type=\"button\" onClick=\"showdiv()\" value=\"show debug infomation\">");
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114 | buildCollection(out,req.getParameter("matShell"),req.getParameter("collectionName"),req.getParameter("collectionURL"),req.getParameter("oaiPrefix"));
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115 | }
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116 |
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117 | else if (req.getParameter("collName") != null){
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118 | out.println(headerString);
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119 | out.println("<body>");
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120 | out.println(h1String);
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121 | analyzeCollection(out, req.getParameter("collName"),req.getParameter("collURL"),req.getParameter("collHost"),req.getParameter("oaiPrefix"));
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122 | }
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123 |
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124 | else {
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125 | out.println(headerString);
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126 | out.println("<body>");
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127 | out.println(h1String);
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128 |
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129 | java.net.URL oaiURL;
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130 | String oaiURLString = req.getParameter("oaiurl");
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131 |
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132 | if (! (oaiURLString.startsWith("http://"))) {
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133 | oaiURLString = "http://" + oaiURLString; // add on protocol if missing
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134 | }
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135 |
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136 | // URL checks
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137 | // check if Java can make a URL from the string
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138 |
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139 | try {
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140 | oaiURL = new URL(oaiURLString);
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141 | }
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142 | catch (MalformedURLException e) {
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143 | out.println("<p>Malformed URL Exception caught: " + e.getMessage() + "</p>");
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144 | out.println("<p>The system cannot recognise the URL you have entered.</p>");
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145 | return; // go no further
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146 | }
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147 |
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148 | //out.println("<p>host: " + oaiURL.getHost() + "</p>" );
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149 | //out.println("<p>protocol: " + oaiURL.getProtocol() + "</p>" );
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150 |
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151 | // disallow anything with waikato as part of the host
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152 | // note: this blocks things like waikato.uiuc.edu -
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153 | // but guess this is highly unlikely to occur
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154 | // (also turns off the researchcommons)
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155 | // could use either of these approaches, waikato or waikato.ac.nz
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156 |
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157 | if (oaiURL.getHost().indexOf("researchcommons.waikato.ac.nz") == -1 ) { // not the RC
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158 | /*
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159 | if((oaiURL.getHost().indexOf("waikato") != -1 ) ||
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160 | (oaiURL.getHost().indexOf("waikato.ac.nz") != -1 ) ) {
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161 | out.println("<p>This service cannot be used to access Waikato URLs</p>");
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162 | return;
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163 | }*/
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164 | }
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165 |
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166 | // need to prevent machine names on their own, e.g. smith
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167 | // being allowed through
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168 |
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169 | // approach 1: explicit blacklisting
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170 |
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171 | if (oaiURL.getHost().equals("smith") ||
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172 | oaiURL.getHost().equals("wesson") ) {
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173 | out.println("<p>This service cannot be used to access these URLs</p>");
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174 | return;
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175 | }
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176 |
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177 | // approach 2: require at least one . in the host URL
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178 | if (oaiURL.getHost().indexOf(".") == -1 ) { // i.e. no . in URL host
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179 | out.println("<p>This service cannot be used to access URLs of this form.</p>");
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180 | return;
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181 | }
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182 |
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183 | // jones.cs would get through to this point, might this mean something
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184 | // from the perspective of the host machine?? Does it matter?
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185 | // will automatic domain completion be applied? by java? by 'the network'?
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186 | // require 2 dots in the host? does that help at all ?
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187 | // domain suffix whitelisting is impractical here, as we'd have to
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188 | // list all countries in the world
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189 |
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190 | // do an OAI verb=identify check to make sure it is an OAI server
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191 | // trim the URL back and then add on verb=Identify
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192 |
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193 |
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194 | Properties systemSettings = System.getProperties();
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195 |
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196 | if( proxyHostContent.equals("") || proxyPortContent.equals("")){}
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197 | else{
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198 | systemSettings.put(proxyHost, proxyHostContent);
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199 | systemSettings.put(proxyPort, proxyPortContent);
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200 | }
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201 |
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202 | URL url = oaiURL;
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203 | String identifyVerb = "";
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204 |
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205 | if (! url.getPath().endsWith("?")) {
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206 | identifyVerb += "?";
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207 | }
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208 |
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209 | identifyVerb += "verb=Identify";
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210 |
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211 | URL identifyURL = new URL (url.toString() + identifyVerb);
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212 |
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213 | if( proxyUserName.equals("") || proxyUserPassword.equals("")){}
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214 | else{
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215 | Authenticator.setDefault( new ProxyAuthenticator(proxyUserName, proxyUserPassword) );
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216 | }
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217 |
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218 | HttpURLConnection connection = (HttpURLConnection)identifyURL.openConnection();
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219 | connection.connect();
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220 |
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221 |
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222 | Document identifyDocument;
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223 |
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224 | try {
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225 | DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
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226 | DocumentBuilder builder = factory.newDocumentBuilder();
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227 | identifyDocument = builder.parse( connection.getInputStream() );
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228 |
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229 | Element oaiElement = identifyDocument.getDocumentElement();
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230 |
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231 | if (oaiElement.getTagName() == "OAI-PMH" ) {
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232 | //out.println("<p>OAI-PMH element found...</p>");
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233 | }
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234 | else {
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235 | out.println("<p>Error: OAI-PMH element not found..exiting</p>");
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236 | return;
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237 | }
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238 |
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239 | NodeList identifyNodeList = identifyDocument.getElementsByTagName("Identify");
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240 | Node identifyNode = null;
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241 |
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242 | if (identifyNodeList.getLength() == 1 ) {
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243 | identifyNode = identifyNodeList.item(0);
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244 | System.out.println("<Identify>\n");
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245 | }
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246 | else {
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247 | out.println("<p>Error: Identify node not found... exiting</p>");
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248 | return;
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249 | }
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250 |
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251 | NodeList identifyChildList = identifyNode.getChildNodes();
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252 | out.println("<table rules =\"none\">");
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253 |
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254 | for (int i=0; i < identifyChildList.getLength(); i++) {
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255 | if (identifyChildList.item(i).getNodeName() == "repositoryName" ) {
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256 | out.println("<tr><td><strong>Repository Name:</strong></td><td> " +getTextContent(identifyChildList.item(i)) + "</td></tr>");
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257 | }
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258 | if (identifyChildList.item(i).getNodeName() == "baseURL" ) {
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259 |
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260 | Node n = identifyChildList.item(i);
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261 | String baseURL = getTextContent(n);
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262 |
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263 |
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264 |
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265 | if(baseURL.startsWith("http://")){
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266 |
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267 | out.println("<tr><td><strong>Base URL:</strong></td><td><code><a href=\"" + baseURL + "\">" + baseURL + "</a></code></td></tr>");
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268 | }
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269 | else{
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270 |
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271 | out.println("<tr><td><strong>Base URL:</strong></td><td><code><a href=\"" + oaiURLString + "\">" + oaiURLString + "</a></code></td></tr>");
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272 | }
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273 | }
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274 | }
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275 | out.println("</table>");
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276 | }
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277 | catch (SAXParseException spe) {
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278 | out.println(spe.getMessage());
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279 | }
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280 | catch (SAXException sxe) {
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281 | out.println(sxe.toString());
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282 | }
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283 | catch (ParserConfigurationException pce) {
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284 | out.println(pce.toString());
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285 | }
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286 | catch (IOException ioe) {
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287 | out.println(ioe.toString());
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288 | }
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289 |
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290 | // now get the metadata prefixes
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291 |
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292 | String metadataFormats = "";
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293 |
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294 | if (! url.getPath().endsWith("?")) {
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295 | metadataFormats += "?";
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296 | }
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297 | metadataFormats += "verb=ListMetadataFormats";
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298 |
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299 | URL metadataFormatsURL = new URL (url.toString() + metadataFormats);
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300 | URLConnection connection2 = metadataFormatsURL.openConnection();
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301 | connection.connect();
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302 | Document document2;
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303 |
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304 | try {
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305 | DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
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306 | DocumentBuilder builder = factory.newDocumentBuilder();
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307 | document2 = builder.parse( connection2.getInputStream() );
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308 |
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309 | NodeList prefixList = document2.getElementsByTagName("metadataPrefix");
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310 |
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311 | // create UI based on response
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312 |
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313 | if ( prefixList.getLength() > 0 ) {
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314 |
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315 | out.println("<p>Choose one metadata prefix to use:</p>");
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316 | out.println("<form method=\"post\" action=\"http://"+hostName+":"+port_number+"/greenstone3/mat\">");
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317 | out.println("<table rules =\"none\">");
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318 |
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319 | for (int i=0; i < prefixList.getLength(); i++) {
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320 | out.println("<tr><td>");
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321 | String id = "radioID" + i;
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322 |
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323 | Node n = prefixList.item(i);
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324 | String prefix = getTextContent(n);
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325 |
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326 | //String prefix = prefixList.item(i).getNodeValue();
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327 |
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328 | if (prefix.equals("oai_dc")) {
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329 | out.println("<label for=\"" + id + "\">" + prefix + " (Dublin Core)</label>");
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330 | //System.out.println("<MetadataElement>Dublin Core<\\MetadataElement>\n");
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331 | }
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332 | else {
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333 | out.println("<label for=\"" + id + "\">" + prefix + "</label>");
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334 | //System.out.println("<MetadataElement>"+prefix+"<\\MetadataElement>\n");
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335 | }
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336 |
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337 | out.print("</td><td><input type=\"radio\" name=\"metadataPrefix\" value=\"" + prefix + "\" ");
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338 |
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339 | if (prefix.equals("oai_dc")) {
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340 | out.println("checked=\"checked\" ");
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341 | }
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342 | out.println(" id=\"" + id + "\"><br>");
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343 | out.println("</td></tr>");
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344 | }
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345 |
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346 | //System.out.println("</Identify>");
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347 | out.println("</table>");
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348 |
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349 | // need to pass oaiurl through as well (again)
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350 |
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351 | out.println("<input type=\"hidden\" name=\"oaiURL\" value=\"" + url.toString() + "\"><br>");
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352 | out.println("Max records: <input type=\"text\" name=\"maxrecords\" value=\"500\"><br>");
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353 |
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354 | // submit button
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355 |
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356 | out.println("<p><input type=\"submit\" value=\"Continue\"></p>");
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357 | out.println("</form>");
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358 |
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359 | out.println("<p> Warning: Generating the statistics and visualization will take some time: </p> ");
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360 |
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361 | /*
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362 | out.println("<table border = \"1\">");
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363 | out.println("<tr align=\"right\"><td> No.of Records <td> Estimated Time");
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364 | out.println("<tr align=\"right\"><td>100<td> 5 minutes");
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365 | out.println("<tr align=\"right\"><td>500 <td> 10 minutes");
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366 | out.println("<tr align=\"right\"><td>1000 <td> 18 minutes");
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367 | out.println("<tr align=\"right\"><td>2000<td> 30 minutes");
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368 | out.println("</table>");
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369 | */
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370 |
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371 | out.println("<p> This tool is designed to work with Dublin Core metadata: note that the mapping of qualified Dublin Core to simple Dublin Core (as in <code>oai_dc</code>) may affect the results.");
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372 | }
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373 | else {
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374 | out.println("<p>Error: no metadata prefixes found... exiting</p>");
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375 | return;
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376 | }
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377 | }
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378 | catch (SAXParseException spe) {
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379 | out.println(spe.getMessage());
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380 | }
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381 | catch (SAXException sxe) {
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382 | out.println(sxe.toString());
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383 | }
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384 | catch (ParserConfigurationException pce) {
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385 | out.println(pce.toString());
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386 | }
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387 | catch (IOException ioe) {
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388 | out.println(ioe.toString());
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389 | }
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390 |
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391 | // check we get a valid XML document back
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392 | // check OAI-PMH element
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393 | // check we have a <repositoryName> and <baseURL> elements
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394 | // maybe check the baseURL against the query we issued?
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395 |
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396 | out.print("</body></html>");
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397 | out.close();
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398 | } // endif
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399 | } // end doPost
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400 |
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401 |
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402 | private static String getTextContent(Node node) {
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403 | Node child;
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404 | String sContent = node.getNodeValue() != null ? node.getNodeValue() : "";
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405 |
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406 | NodeList nodes = node.getChildNodes();
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407 | for(int i = 0; i < nodes.getLength(); i++) {
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408 | child = nodes.item(i);
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409 | sContent += child.getNodeValue() != null ? child.getNodeValue() : "";
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410 | if(nodes.item(i).getChildNodes().getLength() > 0) {
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411 | sContent += getTextContent(nodes.item(i));
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412 | }
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413 | }
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414 |
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415 | return sContent;
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416 |
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417 | }
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418 | protected void buildCollection( PrintWriter out, String matShell2, String collName, String oaiURLString, String oaiPrefix) throws ServletException, IOException{
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419 |
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420 | out.println("<br><br><div id=\"hideshow\" style=\"visibility:hidden\">");
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421 | out.println("<input type=\"button\" onClick=\"hidediv()\" value=\"hide debug infomation\"/>");
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422 | out.println("<p>Building collection...</p>");
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423 |
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424 | String host = "http://"+hostName+":"+port_number+"/greenstone3/mat/";
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425 |
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426 | out.println("<form method=\"post\" name=\"aForm\">");
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427 | out.println("<input type=\"hidden\" name=\"collName\" value=\"" + collName + "\"><br>");
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428 | out.println("<input type=\"hidden\" name=\"collURL\" value=\"" + oaiURLString + "\"><br>");
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429 | out.println("<input type=\"hidden\" name=\"collHost\" value=\"" + host + "\"><br>");
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430 | out.println("<input type=\"hidden\" name=\"oaiPrefix\" value=\"" + oaiPrefix + "\"><br>");
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431 | out.println("</form>");
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432 | out.println("<p><pre>" + matShell2 + "</pre></p>");
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433 | out.flush();
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434 |
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435 |
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436 | String os = "linux";
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437 | if(System.getProperty("os.name").toLowerCase().indexOf("windows")!=-1){
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438 | gsdl3Home = gsdl3Home.replaceAll("\\\\", "/");
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439 | os = "windows";
|
---|
440 | }
|
---|
441 | String gsdl3Root = GSPath.removeLastLink(gsdl3Home);
|
---|
442 |
|
---|
443 | if(os.equals("windows")){
|
---|
444 | gsdl3Root = gsdl3Root.replaceAll("/","\\\\");
|
---|
445 | gsdl3Home = gsdl3Home.replaceAll("/", "\\\\");
|
---|
446 | }
|
---|
447 |
|
---|
448 | // downloading
|
---|
449 | //String gs3Root = "/research/cc108/greenstone3Project";
|
---|
450 | String gs3Root = gsdl3Root;
|
---|
451 | String collectDir = gsdl3Home + fileSeparator +"sites"+fileSeparator+"localsite"+ fileSeparator +"collect";
|
---|
452 | String logFile = gsdl3Root +fileSeparator+"ext"+fileSeparator+"mat"+fileSeparator+"tmp"+fileSeparator + "log.txt";
|
---|
453 | String cacheDir = gsdl3Root +fileSeparator+"ext"+fileSeparator+"mat"+fileSeparator+"tmp"+fileSeparator + collName;
|
---|
454 |
|
---|
455 | if(System.getProperty("os.name").toLowerCase().indexOf("windows")!=-1){
|
---|
456 | File wd = new File(gsdl3Root + fileSeparator + "ext" + fileSeparator + "mat" + fileSeparator + "bin" + fileSeparator +"script");
|
---|
457 |
|
---|
458 | String[] arrays = new String[12];
|
---|
459 | arrays[0] = "cmd";
|
---|
460 | arrays[1] = "/c";
|
---|
461 | arrays[2] = "start";
|
---|
462 | arrays[3] = "mat-colbuild.bat";
|
---|
463 | arrays[4] = collName;
|
---|
464 | arrays[5] = oaiURLString;
|
---|
465 | arrays[6] = cacheDir;
|
---|
466 | arrays[7] = "100";
|
---|
467 | arrays[8] = oaiPrefix;
|
---|
468 | arrays[9] = gs3Root;
|
---|
469 | arrays[10] = collectDir;
|
---|
470 | arrays[11] = logFile;
|
---|
471 |
|
---|
472 | Process p2 = processBatch(arrays,out,wd);
|
---|
473 | out.print("</div></body></html>");
|
---|
474 | p2 = null;
|
---|
475 | p2.destroy();
|
---|
476 | }
|
---|
477 | else{
|
---|
478 | Process p2 = processShell(matShell2, out);
|
---|
479 |
|
---|
480 | if (p2.exitValue() == 0){
|
---|
481 | out.println("<p>Collection built.</p>");
|
---|
482 | }
|
---|
483 | else{
|
---|
484 | out.println("<p><b>Collection not built.</b></p>");
|
---|
485 | }
|
---|
486 |
|
---|
487 | out.print("</div></body></html>");
|
---|
488 | p2 = null;
|
---|
489 | p2.destroy();
|
---|
490 | }
|
---|
491 | out.close();
|
---|
492 | }
|
---|
493 |
|
---|
494 | private void downloadCollection( PrintWriter out, HttpServletRequest req, HttpServletResponse res, String oaiPrefix, String Records) throws ServletException, IOException
|
---|
495 | {
|
---|
496 | String oaiURLString = req.getParameter("oaiURL");
|
---|
497 | String metadataprefix = req.getParameter("metadataPrefix");
|
---|
498 | String collName = generateCollName();
|
---|
499 | String host = "http://"+hostName+":"+port_number+"/";
|
---|
500 |
|
---|
501 | out.println("<br><br><div id=\"hideshow\" style=\"visibility:hidden\">");
|
---|
502 | out.println("<input type=\"button\" onClick=\"hidediv()\" value=\"hide debug infomation\"/>");
|
---|
503 | out.println("<p>Downloading OAI documents...</p>");
|
---|
504 | out.flush();
|
---|
505 | // move to correct directory
|
---|
506 |
|
---|
507 |
|
---|
508 | String os = "linux";
|
---|
509 | if(System.getProperty("os.name").toLowerCase().indexOf("windows")!=-1){
|
---|
510 | gsdl3Home = gsdl3Home.replaceAll("\\\\", "/");
|
---|
511 | os = "windows";
|
---|
512 | }
|
---|
513 | String gsdl3Root = GSPath.removeLastLink(gsdl3Home);
|
---|
514 |
|
---|
515 | if(os.equals("windows")){
|
---|
516 | gsdl3Root = gsdl3Root.replaceAll("/","\\\\");
|
---|
517 | gsdl3Home = gsdl3Home.replaceAll("/", "\\\\");
|
---|
518 | }
|
---|
519 | String maxRecords = Records;
|
---|
520 | String cacheDir = gsdl3Root +fileSeparator+"ext"+fileSeparator+"mat"+fileSeparator+"tmp"+fileSeparator + collName;
|
---|
521 |
|
---|
522 |
|
---|
523 | String gs3Root = gsdl3Root;
|
---|
524 | String collectDir = gsdl3Home + fileSeparator +"sites"+fileSeparator+"localsite"+ fileSeparator +"collect";
|
---|
525 | String logFile = gsdl3Root +fileSeparator+"ext"+fileSeparator+"mat"+fileSeparator+"tmp"+fileSeparator + "log.txt";
|
---|
526 | String proxy_settings = " ";
|
---|
527 | String matShell = "";
|
---|
528 |
|
---|
529 |
|
---|
530 | if(!proxyHostContent.equals("") && !proxyPortContent.equals("")){
|
---|
531 | proxy_settings = "-proxy_on -proxy_host "+proxyHostContent+" -proxy_port "+proxyPortContent;
|
---|
532 | }
|
---|
533 |
|
---|
534 | if(!proxyUserName.equals("") && !proxyUserPassword.equals("")){
|
---|
535 | proxy_settings = proxy_settings + " -user_name " +proxyUserName+" -user_password "+proxyUserPassword;
|
---|
536 | }
|
---|
537 |
|
---|
538 |
|
---|
539 | if(System.getProperty("os.name").toLowerCase().indexOf("windows")!=-1){
|
---|
540 |
|
---|
541 | File wd = new File(gsdl3Root + fileSeparator + "ext" + fileSeparator + "mat" + fileSeparator + "bin" + fileSeparator +"script");
|
---|
542 | ArrayList alist = new ArrayList();
|
---|
543 | alist.add("cmd");
|
---|
544 | alist.add("/c");
|
---|
545 | alist.add("start");
|
---|
546 | alist.add("mat-colbuild-download.bat");
|
---|
547 | alist.add(collName);
|
---|
548 | alist.add(oaiURLString);
|
---|
549 | alist.add(cacheDir);
|
---|
550 | alist.add(maxRecords);
|
---|
551 | alist.add(metadataprefix);
|
---|
552 | alist.add(gs3Root);
|
---|
553 | alist.add(collectDir);
|
---|
554 | alist.add(logFile);
|
---|
555 | //alist.add(collection_creator);
|
---|
556 | alist.add(proxy_settings);
|
---|
557 | String[] arrays = new String[alist.size()];
|
---|
558 | for(int i = 0; i< arrays.length; i++){
|
---|
559 | arrays[i] = (String)alist.get(i);
|
---|
560 | System.out.println(arrays[i]);
|
---|
561 | }
|
---|
562 | System.out.println(wd.getAbsolutePath());
|
---|
563 | Process p = processBatch(arrays,out,wd);
|
---|
564 | out.flush();
|
---|
565 |
|
---|
566 |
|
---|
567 | p.destroy();
|
---|
568 |
|
---|
569 | }
|
---|
570 | else{
|
---|
571 | matShell = "source "+ gsdl3Root + fileSeparator + "ext" + fileSeparator + "mat" + fileSeparator + "bin" + fileSeparator +"script" + fileSeparator + "mat-colbuild-download.bash "
|
---|
572 | + collName
|
---|
573 | + " "
|
---|
574 | + oaiURLString
|
---|
575 | + " "
|
---|
576 | + cacheDir
|
---|
577 | + " "
|
---|
578 | + maxRecords
|
---|
579 | + " "
|
---|
580 | + metadataprefix
|
---|
581 | + " "
|
---|
582 | + gs3Root
|
---|
583 | + " "
|
---|
584 | + collectDir
|
---|
585 | + " "
|
---|
586 | + logFile
|
---|
587 | + " "
|
---|
588 | // + collection_creator
|
---|
589 | // + " "
|
---|
590 | + proxy_settings;
|
---|
591 |
|
---|
592 | out.println("<p><pre>" + matShell + "</pre></p>");
|
---|
593 | out.flush();
|
---|
594 | Process p = processShell(matShell, out);
|
---|
595 |
|
---|
596 | if (p.exitValue() == 0){
|
---|
597 | out.println("<p>Collection downloaded.</p>");
|
---|
598 | }
|
---|
599 | else {
|
---|
600 | out.println("<p><b>Collection not downloaded properly.</b></p>");
|
---|
601 | }
|
---|
602 | out.flush();
|
---|
603 | p.destroy();
|
---|
604 |
|
---|
605 | }
|
---|
606 |
|
---|
607 | String matShell2 = "";
|
---|
608 |
|
---|
609 | matShell2 = "source "+ gsdl3Root + fileSeparator + "ext" + fileSeparator +"mat"+ fileSeparator +"bin" + fileSeparator + "script" + fileSeparator + "mat-colbuild.bash "
|
---|
610 | + collName
|
---|
611 | + " "
|
---|
612 | + oaiURLString
|
---|
613 | + " "
|
---|
614 | + cacheDir
|
---|
615 | + " "
|
---|
616 | + maxRecords
|
---|
617 | + " "
|
---|
618 | + metadataprefix
|
---|
619 | + " "
|
---|
620 | + gs3Root
|
---|
621 | + " "
|
---|
622 | + collectDir
|
---|
623 | + " "
|
---|
624 | + logFile;
|
---|
625 |
|
---|
626 |
|
---|
627 | out.println("<form method=\"post\" name=\"collectionForm\">");
|
---|
628 | out.println("<input type=\"hidden\" name=\"matShell\" value=\"" + matShell2 + "\">");
|
---|
629 | out.println("<input type=\"hidden\" name=\"collectionName\" value=\"" + collName + "\">");
|
---|
630 | out.println("<input type=\"hidden\" name=\"collectionURL\" value=\"" + oaiURLString + "\">");
|
---|
631 | out.println("<input type=\"hidden\" name=\"oaiPrefix\" value=\"" + oaiPrefix + "\">");
|
---|
632 | out.println("<input type=\"hidden\" name=\"host\" value=\"" + host + "\">");
|
---|
633 | //out.println("<input type=\"submit\" value=\"start\"><br>");
|
---|
634 | out.println("</form>");
|
---|
635 | out.println("</div>");
|
---|
636 | out.print("</body></html>");
|
---|
637 | out.flush();
|
---|
638 | out.close();
|
---|
639 |
|
---|
640 | }
|
---|
641 |
|
---|
642 | /* produce a random 7 letter collection name */
|
---|
643 |
|
---|
644 | private String generateCollName () {
|
---|
645 | Random random = new Random();
|
---|
646 | StringBuffer message = new StringBuffer();
|
---|
647 | int offset = 97; // = "a"
|
---|
648 | message.append( (char) ( random.nextInt( 26 ) + offset ) );
|
---|
649 | message.append( (char) ( random.nextInt( 26 ) + offset ) );
|
---|
650 | message.append( (char) ( random.nextInt( 26 ) + offset ) );
|
---|
651 | message.append( (char) ( random.nextInt( 26 ) + offset ) );
|
---|
652 | message.append( (char) ( random.nextInt( 26 ) + offset ) );
|
---|
653 | message.append( (char) ( random.nextInt( 26 ) + offset ) );
|
---|
654 | message.append( (char) ( random.nextInt( 26 ) + offset ) );
|
---|
655 | return message.toString();
|
---|
656 | }
|
---|
657 |
|
---|
658 | private Process processBatch(String[] command, PrintWriter out, File wd){
|
---|
659 |
|
---|
660 | Process proc;
|
---|
661 | String s;
|
---|
662 | try{
|
---|
663 | proc = Runtime.getRuntime().exec(command,null,wd);
|
---|
664 | BufferedReader stdInput = new BufferedReader(new InputStreamReader(proc.getInputStream()));
|
---|
665 | BufferedReader stdError = new BufferedReader(new InputStreamReader(proc.getErrorStream()));
|
---|
666 | StringBuffer stdInputBuffer = new StringBuffer();
|
---|
667 | while ((s = stdInput.readLine()) != null) {
|
---|
668 | stdInputBuffer.append(s+"\n");
|
---|
669 | if(s.indexOf("-->")!=-1){
|
---|
670 | s = s.replaceAll("-->", "");
|
---|
671 | out.println("<!-- " + s + " -->");
|
---|
672 | }
|
---|
673 | else{
|
---|
674 | out.println("<!-- " + s + " -->");
|
---|
675 | }
|
---|
676 | out.flush();
|
---|
677 | }
|
---|
678 |
|
---|
679 | StringBuffer stdErrorBuffer = new StringBuffer();
|
---|
680 |
|
---|
681 | while ((s = stdError.readLine()) != null) {
|
---|
682 | stdErrorBuffer.append(s+"\n");
|
---|
683 |
|
---|
684 | if(s.indexOf("-->")!=-1){
|
---|
685 | s = s.replaceAll("-->", "");
|
---|
686 | out.println("<!-- " + s + " -->");
|
---|
687 | }
|
---|
688 | else{
|
---|
689 | out.println("<!-- " + s + " -->");
|
---|
690 | }
|
---|
691 | out.flush();
|
---|
692 | }
|
---|
693 |
|
---|
694 |
|
---|
695 | out.println("<p>Here is the standard output:</p>\n");
|
---|
696 | out.println("<p><pre>" + stdInputBuffer + "</pre></p>");
|
---|
697 | out.println("<p>Here is the standard error (if any):</p>\n");
|
---|
698 | out.println("<p><pre>" + stdErrorBuffer + "</pre></p>");
|
---|
699 | out.flush();
|
---|
700 | //if (p.exitValue() != 0)
|
---|
701 | if (false){
|
---|
702 | out.println("<p>An error occurred while building the collection.</p>");
|
---|
703 | out.println("<p>Here is the standard output:</p>\n");
|
---|
704 | out.println("<p><pre>" + stdInputBuffer + "</pre></p>");
|
---|
705 | out.println("<p>Here is the standard error (if any):</p>\n");
|
---|
706 | out.println("<p><pre>" + stdErrorBuffer + "</pre></p>");
|
---|
707 | }
|
---|
708 |
|
---|
709 | InputStream is = proc.getInputStream();
|
---|
710 | is.close();
|
---|
711 |
|
---|
712 | OutputStream os = proc.getOutputStream();
|
---|
713 | os.close();
|
---|
714 |
|
---|
715 | InputStream es = proc.getErrorStream();
|
---|
716 | es.close();
|
---|
717 |
|
---|
718 | stdInput.close();
|
---|
719 | stdError.close();
|
---|
720 | proc.waitFor();
|
---|
721 | return proc;
|
---|
722 |
|
---|
723 | }catch(Exception ex){
|
---|
724 | ex.printStackTrace();
|
---|
725 | }
|
---|
726 | return null;
|
---|
727 | }
|
---|
728 | private Process processShell( String command, PrintWriter out) {
|
---|
729 |
|
---|
730 | String s= "";
|
---|
731 | try {
|
---|
732 | String[] args = new String[]{"sh", "-c", command};
|
---|
733 | Process p = Runtime.getRuntime().exec(args);
|
---|
734 | BufferedReader stdInput = new BufferedReader(new InputStreamReader(p.getInputStream()));
|
---|
735 | BufferedReader stdError = new BufferedReader(new InputStreamReader(p.getErrorStream()));
|
---|
736 | StringBuffer stdInputBuffer = new StringBuffer();
|
---|
737 |
|
---|
738 | while ((s = stdInput.readLine()) != null) {
|
---|
739 | stdInputBuffer.append(s+"\n");
|
---|
740 | if(s.indexOf("-->")!=-1){
|
---|
741 | s = s.replaceAll("-->", "");
|
---|
742 | out.println("<!-- " + s + " -->");
|
---|
743 | }
|
---|
744 | else{
|
---|
745 | out.println("<!-- " + s + " -->");
|
---|
746 | }
|
---|
747 | out.flush();
|
---|
748 | }
|
---|
749 |
|
---|
750 | StringBuffer stdErrorBuffer = new StringBuffer();
|
---|
751 |
|
---|
752 | while ((s = stdError.readLine()) != null) {
|
---|
753 | stdErrorBuffer.append(s+"\n");
|
---|
754 |
|
---|
755 | if(s.indexOf("-->")!=-1){
|
---|
756 | s = s.replaceAll("-->", "");
|
---|
757 | out.println("<!-- " + s + " -->");
|
---|
758 | }
|
---|
759 | else{
|
---|
760 | out.println("<!-- " + s + " -->");
|
---|
761 | }
|
---|
762 | out.flush();
|
---|
763 | }
|
---|
764 |
|
---|
765 | out.println("<p>Here is the standard output:</p>\n");
|
---|
766 | out.println("<p><pre>" + stdInputBuffer + "</pre></p>");
|
---|
767 | out.println("<p>Here is the standard error (if any):</p>\n");
|
---|
768 | out.println("<p><pre>" + stdErrorBuffer + "</pre></p>");
|
---|
769 | out.flush();
|
---|
770 | //if (p.exitValue() != 0)
|
---|
771 | if (false){
|
---|
772 | out.println("<p>An error occurred while building the collection.</p>");
|
---|
773 | out.println("<p>Here is the standard output:</p>\n");
|
---|
774 | out.println("<p><pre>" + stdInputBuffer + "</pre></p>");
|
---|
775 | out.println("<p>Here is the standard error (if any):</p>\n");
|
---|
776 | out.println("<p><pre>" + stdErrorBuffer + "</pre></p>");
|
---|
777 | }
|
---|
778 |
|
---|
779 | InputStream is = p.getInputStream();
|
---|
780 | is.close();
|
---|
781 |
|
---|
782 | OutputStream os = p.getOutputStream();
|
---|
783 | os.close();
|
---|
784 |
|
---|
785 | InputStream es = p.getErrorStream();
|
---|
786 | es.close();
|
---|
787 |
|
---|
788 | stdInput.close();
|
---|
789 | stdError.close();
|
---|
790 |
|
---|
791 | return p;
|
---|
792 | }
|
---|
793 | catch (IOException e) {
|
---|
794 | out.println("exception happened - here's what I know: ");
|
---|
795 | out.println(e.toString());
|
---|
796 | out.flush();
|
---|
797 | }
|
---|
798 | return null;
|
---|
799 | }
|
---|
800 |
|
---|
801 | private void analyzeCollection(PrintWriter out, String collectionName,String collectionURL,String collectionHost, String Prefix){
|
---|
802 |
|
---|
803 | String collName = collectionName;
|
---|
804 | String oaiURLString = collectionURL;
|
---|
805 | String host = collectionHost;
|
---|
806 |
|
---|
807 | try{
|
---|
808 | DescribeMessenger dm = new DescribeMessenger(collName,oaiURLString);
|
---|
809 | out.println("<p>Generating statistics and visualisations...</p>");
|
---|
810 | out.flush();
|
---|
811 | out.println("<p>please wait.</p>");
|
---|
812 | out.flush();
|
---|
813 | boolean status = dm.describeMatadata(out,collName,oaiURLString,Prefix,port_number);
|
---|
814 |
|
---|
815 | if(status){
|
---|
816 |
|
---|
817 | out.println("<script type=\"text/javascript\" language=\"JavaScript\">");
|
---|
818 | out.println("reconfig();");
|
---|
819 | out.println("</script>");
|
---|
820 |
|
---|
821 | out.println("<a href=\""+host+collName+"/Overall.html\">View the report</a>");
|
---|
822 | out.flush();
|
---|
823 | }
|
---|
824 | out.println("</body></html>");
|
---|
825 | out.flush();
|
---|
826 | }catch(Exception e){e.printStackTrace(out);
|
---|
827 | out.println("<p><pre>"+e.toString()+"</pre></p>");
|
---|
828 | }
|
---|
829 | out.close();
|
---|
830 | }
|
---|
831 |
|
---|
832 | private void loadRuntimeSettings(){
|
---|
833 |
|
---|
834 |
|
---|
835 | fileSeparator = File.separator;
|
---|
836 | gsdl3Home = globalProperty.getGSDL3Home();
|
---|
837 | globalProperty = new GlobalProperties();
|
---|
838 | maxRecord ="10";
|
---|
839 |
|
---|
840 | String os = "linux";
|
---|
841 | if(System.getProperty("os.name").toLowerCase().indexOf("windows")!=-1){
|
---|
842 | gsdl3Home = gsdl3Home.replaceAll("\\\\", "/");
|
---|
843 | os = "windows";
|
---|
844 | }
|
---|
845 | String gsdl3Root = GSPath.removeLastLink(gsdl3Home);
|
---|
846 |
|
---|
847 | if(os.equals("windows")){
|
---|
848 | gsdl3Root = gsdl3Root.replaceAll("/","\\\\");
|
---|
849 | gsdl3Home = gsdl3Home.replaceAll("/", "\\\\");
|
---|
850 | }
|
---|
851 |
|
---|
852 | try{
|
---|
853 | Properties prop = new Properties();
|
---|
854 | FileInputStream fis = new FileInputStream(gsdl3Root+fileSeparator+"ext"+fileSeparator+"mat"+fileSeparator+"properties.xml");
|
---|
855 | prop.load(fis);
|
---|
856 |
|
---|
857 | titleString ="<title>"+ prop.getProperty("Servlet.Title")+"</title>";
|
---|
858 | h1String ="<h2>"+ prop.getProperty("Servlet.Head")+"</h2>";
|
---|
859 | cssString = "<link rel=\"stylesheet\" href=\"http://"+hostName+":"+port_number+"/greenstone3/mat/script/mat.css\" type=\"text/css\" >";
|
---|
860 | javaScript = "<script type=\"text/javascript\" src=\"http://"+hostName+":"+port_number+"/greenstone3/mat/script/status3.js\"></script>";;
|
---|
861 | headerString2 = "<head>" + titleString + "\n" + javaScript + cssString+"</head>\n";
|
---|
862 | headerString ="<head>" + titleString + "\n" + cssString + "</head>\n";
|
---|
863 | logoURL =prop.getProperty("Servlet.Logo");
|
---|
864 | description = prop.getProperty("Servlet.Description");
|
---|
865 |
|
---|
866 | proxyHostContent = prop.getProperty("Servlet.proxyHost");
|
---|
867 | proxyPortContent = prop.getProperty("Servlet.proxyPort");
|
---|
868 |
|
---|
869 | proxyUserName = prop.getProperty("Servlet.proxyUserName");
|
---|
870 | proxyUserPassword = prop.getProperty("Servlet.proxyUserPassword");
|
---|
871 |
|
---|
872 | //collection_creator = prop.getProperty("Servlet.Collection.Creator");
|
---|
873 |
|
---|
874 | }catch(Exception ex){
|
---|
875 | ex.printStackTrace();
|
---|
876 | }
|
---|
877 |
|
---|
878 |
|
---|
879 | try {
|
---|
880 | java.net.InetAddress localMachine = java.net.InetAddress.getLocalHost();
|
---|
881 | hostName = localMachine.getHostName();
|
---|
882 | }catch (java.net.UnknownHostException uhe) {
|
---|
883 | uhe.printStackTrace();
|
---|
884 | }
|
---|
885 |
|
---|
886 | }
|
---|
887 | }
|
---|
888 |
|
---|
889 | class ProxyAuthenticator extends Authenticator
|
---|
890 | {
|
---|
891 |
|
---|
892 | private String username;
|
---|
893 | private char[] password;
|
---|
894 |
|
---|
895 |
|
---|
896 | public ProxyAuthenticator (String username, String password){
|
---|
897 | this.username = username;
|
---|
898 | this.password = password.toCharArray();
|
---|
899 | }
|
---|
900 |
|
---|
901 |
|
---|
902 | protected PasswordAuthentication getPasswordAuthentication(){
|
---|
903 | return new PasswordAuthentication (username, password );
|
---|
904 | }
|
---|
905 | }
|
---|