1 | package org.greenstone.gsdl3.action;
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2 |
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3 | import org.greenstone.gsdl3.core.ModuleInterface;
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4 | import org.greenstone.gsdl3.util.*;
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5 | import org.greenstone.util.GlobalProperties;
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6 |
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7 | // XML classes
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8 | import org.w3c.dom.Node;
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9 | import org.w3c.dom.Element;
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10 | import org.w3c.dom.Document;
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11 |
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12 | // other java stuff
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13 | import java.io.File;
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14 | import java.util.HashMap;
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15 | import java.util.*;
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16 | import java.io.StringReader;
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17 | import org.xml.sax.InputSource;
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18 | import javax.xml.parsers.DocumentBuilder;
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19 | import javax.xml.parsers.DocumentBuilderFactory;
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20 |
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21 | import java.io.*;
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22 | import org.xml.sax.*;
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23 | import javax.xml.parsers.SAXParserFactory;
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24 | import javax.xml.parsers.ParserConfigurationException;
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25 | import javax.xml.parsers.SAXParser;
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26 |
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27 | import java.io.PrintWriter;
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28 | import java.io.StringWriter;
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29 |
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30 | import org.apache.log4j.*;
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31 |
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32 | public class FormatAction extends Action {
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33 |
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34 | static Logger logger = Logger.getLogger(org.greenstone.gsdl3.action.FormatAction.class.getName());
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35 | XMLTransformer transformer = null;
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36 |
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37 | String tempVal = "";
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38 |
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39 | /** process a request */
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40 | public Node process (Node message_node) {
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41 |
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42 | Element message = this.converter.nodeToElement(message_node);
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43 |
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44 | // assume only one request
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45 | Element request = (Element)GSXML.getChildByTagName(message, GSXML.REQUEST_ELEM);
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46 |
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47 | String subaction = request.getAttribute(GSXML.SUBACTION_ATT);
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48 | String lang = request.getAttribute(GSXML.LANG_ATT);
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49 | String uid = request.getAttribute(GSXML.USER_ID_ATT);
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50 | // get the param list
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51 | Element cgi_param_list = (Element)GSXML.getChildByTagName(request, GSXML.PARAM_ELEM+GSXML.LIST_MODIFIER);
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52 | HashMap params = GSXML.extractParams(cgi_param_list, false);
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53 |
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54 | Element result = this.doc.createElement(GSXML.MESSAGE_ELEM);
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55 |
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56 | String coll = (String)params.get(GSParams.COLLECTION); //SYSTEM_CLUSTER);
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57 | String service = (String)params.get(GSParams.SERVICE);
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58 | String classifier = (String)params.get("cl");
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59 |
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60 |
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61 | logger.error("Collection="+coll);
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62 | logger.error("Service="+service);
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63 | logger.error("Classifier="+classifier);
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64 |
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65 |
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66 | String to = "";
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67 | if (coll!=null && !coll.equals("")) {
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68 | to = coll;
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69 | }
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70 |
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71 | Element mr_request_message = this.doc.createElement(GSXML.MESSAGE_ELEM);
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72 | Element mr_request = GSXML.createBasicRequest(this.doc, GSXML.REQUEST_TYPE_FORMAT_STRING, to, lang, uid);
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73 |
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74 | request.setAttribute("service", service);
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75 | if(classifier != null)
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76 | request.setAttribute("classifier", classifier);
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77 |
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78 | mr_request_message.appendChild(mr_request);
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79 |
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80 | //Element format = this.doc.createElement(GSXML.FORMAT_STRING_ELEM);
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81 | //mr_request.appendChild(format);
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82 |
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83 | String format_string = (String)params.get("data");
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84 |
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85 | Element page_response = this.doc.createElement(GSXML.RESPONSE_ELEM);
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86 |
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87 | Iterator it = params.keySet().iterator();
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88 | //while(it.hasNext())
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89 | //{
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90 | // logger.error("Param: "+it.next());
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91 | //}
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92 |
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93 | try {
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94 | DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
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95 | DocumentBuilder builder = factory.newDocumentBuilder();
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96 | //String input = "<html><head><title></title></head><body>" + format_string + "</body></html>";
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97 | String input = format_string;
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98 | InputSource is = new InputSource( new StringReader( input ) );
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99 | Document d = (Document) builder.parse( is );
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100 | //Element e = d.getDocumentElement();
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101 | //Node d2 = this.doc.importNode(e,true);
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102 |
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103 | //Document format_doc = this.converter.newDOM();
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104 | //doc.appendChild(d2);
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105 |
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106 | //File interface_config_file = new File(GSFile.interfaceConfigFile(GSFile.interfaceHome(GlobalProperties.getGSDL3Home(), (String)this.config_params.get(GSConstants.INTERFACE_NAME))));
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107 | //if (!interface_config_file.exists()) {
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108 | // logger.error(" interface config file: "+interface_config_file.getPath()+" not found!");
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109 | //}
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110 | //Document config_doc = this.converter.getDOM(interface_config_file, "utf-8");
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111 | //if (config_doc == null) {
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112 | // logger.error(" could not parse interface config file: "+interface_config_file.getPath());
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113 | //}
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114 |
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115 | //Element config_elem = config_doc.getDocumentElement();
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116 | //String base_interface = config_elem.getAttribute("baseInterface");
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117 |
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118 |
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119 | // Call XSLT to transform document to xml format string
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120 | XMLTransformer transformer = new XMLTransformer();
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121 | //String stylesheet = GSFile.stylesheetFile(GlobalProperties.getGSDL3Home(), (String)this.config_params.get(GSConstants.SITE_NAME), coll, (String)this.config_params.get(GSConstants.INTERFACE_NAME), "oran", "FormatAction");
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122 | //logger.error(stylesheet);
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123 | Document style_doc = this.converter.getDOM(new File("/home/sam/greenstone3/web/interfaces/oran/transform/formatString.xsl"), "UTF-8");
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124 |
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125 | if(style_doc == null)
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126 | logger.error("style_doc is null");
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127 |
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128 | // not sure what to do here - some code from Transforming Receptionist
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129 | String transformed = transformer.transformToString(style_doc, d);
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130 | //Node transformed = transformer.transform(style_doc, d);
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131 |
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132 | Element format = this.doc.createElement(GSXML.FORMAT_STRING_ELEM);
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133 | GSXML.setNodeText(format, transformed);
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134 | //format.appendChild(this.doc.createTextNode(transformed));
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135 | //format.setNodeValue(transformed);
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136 | mr_request.appendChild(format);
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137 | logger.error("Transformed: "+transformed);
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138 |
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139 |
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140 | //page_response.appendChild(this.doc.importNode(e, true));
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141 | } catch( Exception ex ) {
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142 | logger.error("There was an exception "+ex);
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143 |
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144 | StringWriter sw = new StringWriter();
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145 | PrintWriter pw = new PrintWriter(sw, true);
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146 | ex.printStackTrace(pw);
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147 | pw.flush();
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148 | sw.flush();
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149 | logger.error(sw.toString());
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150 | }
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151 |
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152 |
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153 | // Call XSLT to transform document to xml format string
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154 | //XMLTransformer transformer = new XMLTransformer();
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155 |
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156 | // not sure what to do here - some code from Transforming Receptionist
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157 | //transformer.transformToString(Document stylesheet, Document source);
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158 |
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159 | // create a mesage to send to the collection object via the message router
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160 |
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161 | Node response_message = this.mr.process(mr_request_message);
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162 |
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163 | result.appendChild(GSXML.duplicateWithNewName(this.doc, (Element)GSXML.getChildByTagName(response_message, GSXML.RESPONSE_ELEM), GSXML.RESPONSE_ELEM, true));
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164 | return result;
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165 |
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166 | }
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167 |
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168 | }
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