1 | package Mat;
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2 |
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3 | import java.io.File;
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4 | import java.util.ArrayList;
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5 | import java.util.StringTokenizer;
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6 |
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7 | import org.w3c.dom.Node;
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8 | import org.w3c.dom.Document;
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9 | import org.w3c.dom.Element;
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10 |
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11 | import org.greenstone.gsdl3.core.MessageRouter;
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12 | import org.greenstone.gsdl3.util.DBInfo;
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13 | import org.greenstone.gsdl3.util.GDBMWrapper;
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14 | import org.greenstone.gsdl3.util.GlobalProperties;
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15 | import org.greenstone.gsdl3.util.GSFile;
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16 | import org.greenstone.gsdl3.util.GSXML;
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17 | import org.greenstone.gsdl3.util.XMLConverter;
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18 |
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19 |
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20 |
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21 | public class DescribeMessager {
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22 | protected String site_name = "localsite";
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23 | private GDBMWrapper gdbm_src = new GDBMWrapper();
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24 | /** message router object to pass requests messages to and which
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25 | * will process them.*/
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26 | protected MessageRouter mr = null;
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27 |
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28 | /** container Document to create XML Nodes */
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29 | protected Document doc=null;
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30 | /** a converter class to parse XML and create Docs */
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31 | protected XMLConverter converter=null;
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32 |
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33 | protected final static String mrSubsetOptions = //messageRouter
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34 | "collectionList serviceClusterList serviceList siteList";
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35 | protected final static String csSubsetOptions = //collections and serviceClusters
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36 | "metadataList serviceList displayItemList";
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37 | protected final static String serviceSubsetOptions = //services
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38 | "paramList displayItemList";
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39 | final int MESSAGEROUTER = 1, COLLECTION = 2,
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40 | SERVICECLUSTER = 3, SERVICE = 4;
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41 |
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42 |
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43 | public DescribeMessager() {
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44 | String gsdl3_home = GlobalProperties.getGSDL3Home();
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45 | if (gsdl3_home == null || gsdl3_home.equals("")) {
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46 | System.err.println("Couldn't access GSDL3Home from GlobalProperties.getGSDL3HOME, can't initialize the SOAP Server.");
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47 | return;
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48 | }
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49 |
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50 | String site_home = GSFile.siteHome(gsdl3_home, this.site_name);
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51 |
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52 | File site_file = new File(site_home);
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53 | if (!site_file.isDirectory()) {
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54 | System.err.println("The site directory "+site_file.getPath()+" doesn't exist. Can't initialize the SOAP Server.");
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55 | return;
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56 | }
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57 | this.converter = new XMLConverter();
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58 | this.doc = this.converter.newDOM();
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59 |
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60 | mr = new MessageRouter();
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61 | mr.setSiteName(this.site_name);
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62 | mr.configure();
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63 | }
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64 |
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65 | //Describe messages sent to MESSAGEROUTER
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66 | //By default: sends a describe request message to the MessageRouter, with
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67 | //lang=en (and all MessageRouter subsetOptions set).
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68 | public String describe()
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69 | {
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70 | //describe(to=MR, lang=en, no subsetOptions, from valid mrSubsetOptions)
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71 | return describe("", "", "", mrSubsetOptions);
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72 | }
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73 |
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74 | public String describe(String subsetOption)
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75 | {
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76 | return describe("", "", subsetOption, mrSubsetOptions);
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77 | }
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78 |
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79 | public String describe(String lang, String subsetOption)
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80 | {
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81 | return describe("", lang, subsetOption, mrSubsetOptions);
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82 | }
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83 |
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84 |
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85 | //Describe messages sent to COLLECTIONS and SERVICERACKS
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86 | public String describeServiceRack(String toSC, String lang,
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87 | String subsetOption)
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88 | {
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89 | return describe(toSC, lang, subsetOption, csSubsetOptions);
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90 | }
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91 |
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92 |
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93 | public String describeCollection(String toColl, String lang,
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94 | String subsetOption)
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95 | {
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96 | return describe(toColl, lang, subsetOption, csSubsetOptions);
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97 | }
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98 |
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99 | //Describe Messages sent to Services (or Collection/Services)
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100 | public String describeCollService(String toColl, String toService,
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101 | String lang, String subsetOption) {
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102 | /*String message =
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103 | "<message><request lang=\"en\" to=\"gs2mgppdemo/FieldQuery\" type=\"describe\" /></message>";
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104 |
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105 | String response = mr.process(message);
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106 | System.out.println("Response to: " + message + ":\n");
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107 | System.out.println(response);
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108 | */
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109 | return describe(toColl + "/" + toService,
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110 | lang, subsetOption, serviceSubsetOptions);
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111 | }
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112 |
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113 | public String describeService(
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114 | String toService, String lang, String subsetOption)
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115 | {
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116 | return describe(toService, lang, subsetOption, serviceSubsetOptions);
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117 | }
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118 |
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119 | //GET POSSIBLE SUBSET OPTIONS FOR THE VARIOUS RECEIVERS (MessageRouter,
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120 | //Services, ServiceRack/Collections
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121 |
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122 | //Subset options that can be specified when asking the messageRouter to
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123 | //describe itself
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124 | public String getMessageRouterSubsetOptions() {
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125 | return mrSubsetOptions;
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126 | }
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127 |
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128 | //Possible subset options for ServiceClusters and Collections
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129 | public String getCSSubsetOptions() {
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130 | return csSubsetOptions;
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131 | }
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132 |
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133 | //Possible subset options for services
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134 | public String getServiceSubsetOptions() {
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135 | return serviceSubsetOptions;
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136 | }
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137 |
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138 | //If public, this method would give full access: a describe message that
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139 | //lets the user specify all the details of who the receiver is, and what
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140 | //details are requested.
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141 |
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142 | /*
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143 | protected String describe(String to, String lang,
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144 | String subsetOption, String validSubsetOptions)
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145 | {
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146 | //Create message element: <message></message>
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147 | Element message = this.doc.createElement(GSXML.MESSAGE_ELEM);
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148 | //<message><request lang="en" to="" type="describe" uid="" /></message>
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149 | Element request = GSXML.createBasicRequest(
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150 | this.doc, GSXML.REQUEST_TYPE_DESCRIBE, to, lang, "");
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151 |
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152 | //Check if only a subset of this Module Interface's data is asked
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153 | //to be described
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154 | if(subsetOption != "") {
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155 | //Now deal with the value for subset param:
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156 | //only deal with valid params for subset of to-ModuleInterface
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157 | if(validSubsetOptions.indexOf(subsetOption) == -1)
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158 | return "Invalid List to be described. Choose one of:\n"
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159 | + validSubsetOptions;
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160 |
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161 | //else, append <paramList />
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162 | Element param_list = this.doc.createElement(
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163 | GSXML.PARAM_ELEM+GSXML.LIST_MODIFIER);
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164 | //append <param name="subset" value=paramValue />
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165 | //createParam(Document, name, value);
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166 | //Name needs to be "subset", but this can be either GSXML.SUBSET_PARAM
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167 | //or GSXML.SYSTEM_SUBSET_ATT. It's the first one probably.
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168 | param_list.appendChild(GSXML.createParameter(
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169 | this.doc, GSXML.SUBSET_PARAM, subsetOption));
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170 | request.appendChild(param_list);
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171 | }
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172 | message.appendChild(request);
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173 |
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174 | //System.out.println(this.converter.getPrettyString(message));
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175 |
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176 | //Let the messagerouter process the request message and get the response
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177 | Element response = mr.process(message.getFirstChild());
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178 | //String response = mr.process(this.converter.getPrettyString(message));
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179 | //this.converter.getPrettyString(arg0);
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180 | //mr.p
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181 | //Return it as a String formatted for display
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182 | System.out.println(this.converter.getPrettyString(response));
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183 |
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184 | return null;
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185 | //return this.converter.getPrettyString(response);
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186 | //return this.converter.getString(response);
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187 | //return mr.process(this.converter.getString(message));
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188 | }
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189 | */
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190 |
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191 |
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192 |
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193 | protected String describe(String to, String lang,
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194 | String subsetOption, String validSubsetOptions)
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195 | {
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196 | //Create message element: <message></message>
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197 | Node message = this.doc.createElement(GSXML.MESSAGE_ELEM);
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198 | //<message><request lang="en" to="" type="describe" uid="" /></message>
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199 | Node request = GSXML.createBasicRequest(
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200 | this.doc, GSXML.REQUEST_TYPE_DESCRIBE, to, lang, "");
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201 |
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202 | //Check if only a subset of this Module Interface's data is asked
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203 | //to be described
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204 | if(subsetOption != "") {
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205 | //Now deal with the value for subset param:
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206 | //only deal with valid params for subset of to-ModuleInterface
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207 | if(validSubsetOptions.indexOf(subsetOption) == -1)
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208 | return "Invalid List to be described. Choose one of:\n"
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209 | + validSubsetOptions;
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210 |
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211 | //else, append <paramList />
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212 | Node param_list = this.doc.createElement(GSXML.PARAM_ELEM+GSXML.LIST_MODIFIER);
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213 | //append <param name="subset" value=paramValue />
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214 | //createParam(Document, name, value);
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215 | //Name needs to be "subset", but this can be either GSXML.SUBSET_PARAM
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216 | //or GSXML.SYSTEM_SUBSET_ATT. It's the first one probably.
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217 | param_list.appendChild(GSXML.createParameter(this.doc, GSXML.SUBSET_PARAM, subsetOption));
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218 | request.appendChild(param_list);
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219 | }
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220 | message.appendChild(request);
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221 |
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222 | //System.out.println(this.converter.getPrettyString(message));
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223 |
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224 | //Let the messagerouter process the request message and get the response
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225 | Node response = mr.process(message);
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226 | //String response = mr.process(this.converter.getPrettyString(message));
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227 | //this.converter.getPrettyString(arg0);
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228 | //mr.p
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229 | //Return it as a String formatted for display
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230 | Element res = (Element) response;
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231 | System.out.println(this.converter.getPrettyString(res));
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232 | System.out.println("break1");
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233 |
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234 | String gsdl3_home = GlobalProperties.getGSDL3Home();
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235 | if (gsdl3_home == null || gsdl3_home.equals("")) {
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236 | System.err.println("Couldn't access GSDL3Home from GlobalProperties.getGSDL3HOME, can't initialize the SOAP Server.");
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237 | }
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238 |
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239 | String site_home = GSFile.siteHome(gsdl3_home, this.site_name);
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240 | String gdbm = GSFile.collectionDatabaseFile(site_home,"sampleco","sampleco","gdbm");
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241 |
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242 | /*
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243 | try{
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244 | System.out.println("break2.1");
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245 | //System.out.println(this.gdbm_src.openDatabase("gs2mgppdemo",GDBMWrapper.READ));
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246 | }catch (Exception ex) {ex.printStackTrace();}
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247 | */
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248 | //System.out.println(gdbm);
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249 | System.out.println("break2.2");
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250 | if (!this.gdbm_src.openDatabase(gdbm,GDBMWrapper.READ)) {
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251 | //if(false){
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252 | System.out.println("break31");
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253 | System.out.println("Could not open GDBM database!");
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254 |
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255 | }
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256 |
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257 | else{
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258 | System.out.println("break32");
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259 |
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260 |
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261 | String info = this.gdbm_src.getValue("browselist");
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262 |
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263 | if (info == null) {
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264 | System.out.println("cannot locate the list");
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265 | }
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266 | else{
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267 |
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268 | if (info == null) {
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269 | System.out.println("the db does not contain any info");
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270 | }
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271 |
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272 |
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273 | ArrayList children = new ArrayList();
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274 | StringTokenizer st = new StringTokenizer(info, ";");
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275 | //StringTokenizer st = new StringTokenizer(st2, ";");
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276 | //System.out.println(info);
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277 |
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278 | while (st.hasMoreTokens()) {
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279 | String part = st.nextToken(";");
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280 | //System.out.println("..."+part+".....1");
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281 |
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282 |
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283 | if(part.contains("<contains>")){
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284 | part = part.replace("<contains>", "");
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285 | }
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286 | else if(part.contains("<thistype>")){
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287 | //System.out.println("here");
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288 | int location = part.indexOf("<thistype>");
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289 | part = part.substring(0,location-1);
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290 | }
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291 | System.out.println("..."+part+".....2");
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292 | //String child_id = st.nextToken().replaceAll("\"", node_id);
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293 | //children.add(child_id);
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294 | }
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295 |
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296 | gdbm_src.closeDatabase();
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297 | System.out.println("start..................");
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298 | //System.out.println(info);
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299 | System.out.println("end..................");
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300 | //parseMetadata(children,"all");
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301 | //TotalDoc = children.size();
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302 | //System.out.println("Total Doc:"+TotalDoc);
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303 | //status = true;
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304 | //Display();
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305 | //}
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306 | }
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307 | }
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308 |
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309 | return "";
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310 | //return this.converter.getPrettyString(response);
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311 | //return this.converter.getString(response);
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312 | //return mr.process(this.converter.getString(message));
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313 | }
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314 | //UNUSED:
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315 | public static String describeExampleResponse() {
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316 | XMLConverter converter = new XMLConverter();
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317 | Document doc = converter.getDOM("SampleServiceResponse.xml");
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318 | return converter.getPrettyString(doc);
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319 | }
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320 |
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321 |
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322 |
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323 | public static void main(String[] args) {
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324 | DescribeMessager dm = new DescribeMessager();
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325 | String response[] = new String[3];
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326 |
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327 | response[0] = dm.describe();
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328 | //response[1] = dm.describeMessageRouter("", "serviceList"); //""->lang=en
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329 | response[1] = dm.describeService("TextQuery", "en", "");
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330 | response[2] = dm.describeCollection("gs2mgdemo", "en", "metadataList");
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331 | //response[3] = dm.describeCollection("gberg", "en", "serviceList");
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332 | //response[4] = dm.describeService("DocumentMetadataRetrieve", "", "");
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333 | //response[3] = dm.describeService("DocumentContentRetrieve", "en", "");
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334 |
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335 | //French doesn't seem to have any effect
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336 | //response[3] = dm.sendDescribe("", "fr");
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337 | /*
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338 | for(int i = 0; i < response.length; i++)
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339 | System.out.println(
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340 | (response[i]==null) ? "no response" : response[i]);
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341 | System.exit(0);
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342 | */
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343 | }
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344 | } |
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