[4258] | 1 | package org.greenstone.gsdl3.core;
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| 2 |
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| 3 | import org.greenstone.gsdl3.util.*;
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| 4 | import org.greenstone.gsdl3.action.*;
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| 5 | // XML classes
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| 6 | import org.w3c.dom.Node;
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| 7 | import org.w3c.dom.NodeList;
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| 8 | import org.w3c.dom.Document;
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[18433] | 9 | import org.w3c.dom.Element;
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| 10 | import org.xml.sax.InputSource;
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[4258] | 11 |
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| 12 | // other java classes
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| 13 | import java.io.File;
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[18433] | 14 | import java.io.StringWriter;
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| 15 | import java.io.FileReader;
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| 16 | import java.io.FileNotFoundException;
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[4258] | 17 | import java.util.HashMap;
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| 18 | import java.util.Enumeration;
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| 19 |
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[18433] | 20 | import javax.xml.parsers.*;
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| 21 | import javax.xml.transform.*;
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| 22 | import javax.xml.transform.dom.*;
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| 23 | import javax.xml.transform.stream.*;
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[13124] | 24 | import org.apache.log4j.*;
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[18433] | 25 | import org.apache.xerces.dom.*;
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| 26 | import org.apache.xerces.parsers.DOMParser;
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[13124] | 27 |
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[4258] | 28 | /** A receptionist that uses xslt to transform the page_data before returning it. . Receives requests consisting
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| 29 | * of an xml representation of cgi args, and returns the page of data - in
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| 30 | * html by default. The requests are processed by the appropriate action class
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| 31 | *
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| 32 | * @see Action
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| 33 | */
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| 34 | public class TransformingReceptionist extends Receptionist{
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| 35 |
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[18433] | 36 | static Logger logger = Logger.getLogger(org.greenstone.gsdl3.core.TransformingReceptionist.class.getName());
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| 37 |
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| 38 | /** The preprocess.xsl file is in a fixed location */
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| 39 | static final String preprocess_xsl_filename = GlobalProperties.getGSDL3Home() + File.separatorChar
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| 40 | + "ui" + File.separatorChar + "xslt" + File.separatorChar + "preProcess.xsl";
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| 41 |
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[4258] | 42 | /** the list of xslt to use for actions */
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| 43 | protected HashMap xslt_map = null;
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| 44 |
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| 45 | /** a transformer class to transform xml using xslt */
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| 46 | protected XMLTransformer transformer=null;
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| 47 |
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[18433] | 48 | protected TransformerFactory transformerFactory=null;
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| 49 | protected DOMParser parser = null;
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[4258] | 50 | public TransformingReceptionist() {
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| 51 | super();
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| 52 | this.xslt_map = new HashMap();
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| 53 | this.transformer = new XMLTransformer();
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[18433] | 54 | try {
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| 55 | transformerFactory = org.apache.xalan.processor.TransformerFactoryImpl.newInstance();
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| 56 | this.converter = new XMLConverter();
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| 57 | //transformerFactory.setURIResolver(new MyUriResolver()) ;
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| 58 |
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| 59 | parser = new DOMParser();
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| 60 | parser.setFeature("http://xml.org/sax/features/validation", false);
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| 61 | // don't try and load external DTD - no need if we are not validating, and may cause connection errors if a proxy is not set up.
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| 62 | parser.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
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| 63 | // a performance test showed that having this on lead to increased
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| 64 | // memory use for small-medium docs, and not much gain for large
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| 65 | // docs.
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| 66 | // http://www.sosnoski.com/opensrc/xmlbench/conclusions.html
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| 67 | parser.setFeature("http://apache.org/xml/features/dom/defer-node-expansion", false);
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| 68 | parser.setFeature("http://apache.org/xml/features/continue-after-fatal-error", true);
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| 69 | // setting a handler for when fatal errors, errors or warnings happen during xml parsing
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| 70 | // call XMLConverter's getParseErrorMessage() to get the errorstring that can be rendered as web page
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| 71 | this.parser.setErrorHandler(new XMLConverter.ParseErrorHandler());
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| 72 | }
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| 73 | catch (Exception e) {
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| 74 | e.printStackTrace();
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| 75 | }
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| 76 |
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[4258] | 77 | }
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| 78 |
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| 79 | /** configures the receptionist - overwrite this to set up the xslt map*/
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| 80 | public boolean configure() {
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| 81 |
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[18433] | 82 | if (this.config_params==null) {
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| 83 | logger.error(" config variables must be set before calling configure");
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| 84 | return false;
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| 85 | }
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| 86 | if (this.mr==null) {
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| 87 | logger.error(" message router must be set before calling configure");
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| 88 | return false;
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| 89 | }
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| 90 |
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| 91 | // find the config file containing a list of actions
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| 92 | File interface_config_file = new File(GSFile.interfaceConfigFile(GSFile.interfaceHome(GlobalProperties.getGSDL3Home(), (String)this.config_params.get(GSConstants.INTERFACE_NAME))));
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| 93 | if (!interface_config_file.exists()) {
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| 94 | logger.error(" interface config file: "+interface_config_file.getPath()+" not found!");
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| 95 | return false;
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| 96 | }
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| 97 | Document config_doc = this.converter.getDOM(interface_config_file, "utf-8");
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| 98 | if (config_doc == null) {
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| 99 | logger.error(" could not parse interface config file: "+interface_config_file.getPath());
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| 100 | return false;
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| 101 | }
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| 102 | Element config_elem = config_doc.getDocumentElement();
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| 103 | String base_interface = config_elem.getAttribute("baseInterface");
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| 104 | setUpBaseInterface(base_interface);
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| 105 | setUpInterfaceOptions(config_elem);
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[8921] | 106 |
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[18433] | 107 | Element action_list = (Element)GSXML.getChildByTagName(config_elem, GSXML.ACTION_ELEM+GSXML.LIST_MODIFIER);
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| 108 | NodeList actions = action_list.getElementsByTagName(GSXML.ACTION_ELEM);
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[4258] | 109 |
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[18433] | 110 | for (int i=0; i<actions.getLength(); i++) {
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| 111 | Element action = (Element) actions.item(i);
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| 112 | String class_name = action.getAttribute("class");
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| 113 | String action_name = action.getAttribute("name");
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| 114 | Action ac = null;
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| 115 | try {
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| 116 | ac = (Action)Class.forName("org.greenstone.gsdl3.action."+class_name).newInstance();
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| 117 | } catch (Exception e) {
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| 118 | logger.error(" couldn't load in action "+class_name);
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| 119 | e.printStackTrace();
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| 120 | continue;
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| 121 | }
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| 122 | ac.setConfigParams(this.config_params);
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| 123 | ac.setMessageRouter(this.mr);
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| 124 | ac.configure();
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| 125 | ac.getActionParameters(this.params);
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| 126 | this.action_map.put(action_name, ac);
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[4258] | 127 |
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[18433] | 128 | // now do the xslt map
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| 129 | String xslt = action.getAttribute("xslt");
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| 130 | if (!xslt.equals("")) {
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| 131 | this.xslt_map.put(action_name, xslt);
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| 132 | }
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| 133 | NodeList subactions = action.getElementsByTagName(GSXML.SUBACTION_ELEM);
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| 134 | for (int j=0; j<subactions.getLength(); j++) {
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| 135 | Element subaction = (Element)subactions.item(j);
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| 136 | String subname = subaction.getAttribute(GSXML.NAME_ATT);
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| 137 | String subxslt = subaction.getAttribute("xslt");
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| 138 |
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| 139 | String map_key = action_name+":"+subname;
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| 140 | logger.debug("adding in to xslt map, "+map_key+"->"+subxslt);
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| 141 | this.xslt_map.put(map_key, subxslt);
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| 142 | }
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| 143 | }
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| 144 | Element lang_list = (Element)GSXML.getChildByTagName(config_elem, "languageList");
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| 145 | if (lang_list == null) {
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| 146 | logger.error(" didn't find a language list in the config file!!");
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| 147 | } else {
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| 148 | this.language_list = (Element) this.doc.importNode(lang_list, true);
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| 149 | }
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[5145] | 150 |
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[18433] | 151 | return true;
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[4258] | 152 | }
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| 153 |
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| 154 |
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[16374] | 155 | protected Node postProcessPage(Element page) {
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[18433] | 156 | // might need to add some data to the page
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| 157 | addExtraInfo(page);
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| 158 | // transform the page using xslt
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| 159 | Node transformed_page = transformPage(page);
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| 160 |
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| 161 | return transformed_page;
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[4258] | 162 | }
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| 163 |
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[4691] | 164 | /** overwrite this to add any extra info that might be needed in the page before transformation */
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| 165 | protected void addExtraInfo(Element page) {}
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[4258] | 166 |
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[4691] | 167 | /** transform the page using xslt
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[18433] | 168 | * we need to get any format element out of the page and add it to the xslt
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| 169 | * before transforming */
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[16374] | 170 | protected Node transformPage(Element page) {
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[4258] | 171 |
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[18433] | 172 | logger.debug("page before transfomring:");
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| 173 | logger.debug(this.converter.getPrettyString(page));
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[8562] | 174 |
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[18433] | 175 | Element request = (Element)GSXML.getChildByTagName(page, GSXML.PAGE_REQUEST_ELEM);
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| 176 | String action = request.getAttribute(GSXML.ACTION_ATT);
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| 177 | String subaction = request.getAttribute(GSXML.SUBACTION_ATT);
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| 178 |
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| 179 | String output = request.getAttribute(GSXML.OUTPUT_ATT);
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| 180 | // we should choose how to transform the data based on output, eg diff
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| 181 | // choice for html, and wml??
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| 182 | // for now, if output=xml, we don't transform the page, we just return
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| 183 | // the page xml
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| 184 | if (output.equals("xml")) {
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| 185 | return page;
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| 186 | }
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| 187 |
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[9405] | 188 |
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[18433] | 189 | Element cgi_param_list = (Element)GSXML.getChildByTagName(request, GSXML.PARAM_ELEM+GSXML.LIST_MODIFIER);
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| 190 | String collection = "";
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| 191 | if (cgi_param_list != null) {
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| 192 | HashMap params = GSXML.extractParams(cgi_param_list, false);
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| 193 | collection = (String)params.get(GSParams.COLLECTION);
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| 194 | if (collection == null) collection = "";
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| 195 | }
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| 196 |
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| 197 | String xslt_file = getXSLTFileName(action, subaction, collection);
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| 198 | if (xslt_file==null) {
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| 199 | // returning file not found error page to indicate which file is missing
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| 200 | return fileNotFoundErrorPage(xslt_file);
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| 201 | }
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| 202 |
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| 203 | Document style_doc = this.converter.getDOM(new File(xslt_file), "UTF-8");
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| 204 | String errorPage = this.converter.getParseErrorMessage();
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| 205 | if(errorPage != null) {
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| 206 | return XMLTransformer.constructErrorXHTMLPage(
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| 207 | "Cannot parse the xslt file: " + xslt_file + "\n" + errorPage);
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| 208 | }
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| 209 | if (style_doc == null) {
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| 210 | logger.error(" cant parse the xslt file needed, so returning the original page!");
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| 211 | return page;
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| 212 | }
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| 213 |
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| 214 | // put the page into a document - this is necessary for xslt to get
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| 215 | // the paths right if you have paths relative to the document root
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| 216 | // eg /page.
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| 217 | Document doc = this.converter.newDOM();
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| 218 | doc.appendChild(doc.importNode(page, true));
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| 219 | Element page_response = (Element)GSXML.getChildByTagName(page, GSXML.PAGE_RESPONSE_ELEM);
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| 220 | Element format_elem = (Element)GSXML.getChildByTagName(page_response, GSXML.FORMAT_ELEM);
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| 221 | if (output.equals("formatelem")) {
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| 222 | return format_elem;
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| 223 | }
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| 224 | if (format_elem != null) {
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| 225 | //page_response.removeChild(format_elem);
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| 226 | logger.debug("format elem="+this.converter.getPrettyString(format_elem));
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| 227 | // need to transform the format info
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| 228 | String configStylesheet_file = GSFile.stylesheetFile(GlobalProperties.getGSDL3Home(), (String)this.config_params.get(GSConstants.SITE_NAME), collection, (String)this.config_params.get(GSConstants.INTERFACE_NAME), base_interfaces, "config_format.xsl");
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| 229 | Document configStylesheet_doc = this.converter.getDOM(new File(configStylesheet_file));
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| 230 | if (configStylesheet_doc != null) {
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| 231 | Document format_doc = this.converter.newDOM();
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| 232 | format_doc.appendChild(format_doc.importNode(format_elem, true));
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| 233 | Node result = this.transformer.transform(configStylesheet_doc, format_doc);
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| 234 |
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| 235 | // Since we started creating documents with DocTypes, we can end up with
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| 236 | // Document objects here. But we will be working with an Element instead,
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| 237 | // so we grab the DocumentElement() of the Document object in such a case.
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| 238 | Element new_format;
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| 239 | if(result.getNodeType() == Node.DOCUMENT_NODE) {
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| 240 | new_format = ((Document)result).getDocumentElement();
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| 241 | } else {
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| 242 | new_format = (Element)result;
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| 243 | }
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| 244 | logger.debug("new format elem="+this.converter.getPrettyString(new_format));
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| 245 | if (output.equals("newformat")) {
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| 246 | return new_format;
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| 247 | }
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| 248 |
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| 249 | // add extracted GSF statements in to the main stylesheet
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| 250 | GSXSLT.mergeStylesheets(style_doc, new_format);
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| 251 | //System.out.println("added extracted GSF statements into the main stylesheet") ;
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| 252 |
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| 253 | // add extracted GSF statements in to the debug test stylesheet
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| 254 | //GSXSLT.mergeStylesheets(oldStyle_doc, new_format);
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| 255 | } else {
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| 256 | logger.error(" couldn't parse the config_format stylesheet, adding the format info as is");
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| 257 | GSXSLT.mergeStylesheets(style_doc, format_elem);
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| 258 | // GSXSLT.mergeStylesheets(oldStyle_doc, format_elem);
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| 259 | }
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| 260 | logger.debug("the converted stylesheet is:");
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| 261 | logger.debug(this.converter.getPrettyString(style_doc.getDocumentElement()));
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| 262 | }
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| 263 | //for debug purposes only
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| 264 | Document oldStyle_doc = style_doc;
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[4258] | 265 |
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[18433] | 266 |
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| 267 | Document preprocessingXsl ;
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| 268 | try {
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| 269 | preprocessingXsl = getPreprocessDoc();
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| 270 | String errMsg = ((XMLConverter.ParseErrorHandler)parser.getErrorHandler()).getErrorMessage();
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| 271 | if(errMsg != null) {
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| 272 | return XMLTransformer.constructErrorXHTMLPage("error loading preprocess xslt file: "
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| 273 | + preprocess_xsl_filename + "\n" + errMsg);
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| 274 | }
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| 275 | } catch (java.io.FileNotFoundException e) {
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| 276 | return fileNotFoundErrorPage(e.getMessage());
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| 277 | } catch (Exception e) {
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| 278 | e.printStackTrace() ;
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| 279 | System.out.println("error loading preprocess xslt") ;
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| 280 | return XMLTransformer.constructErrorXHTMLPage("error loading preprocess xslt\n" + e.getMessage());
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| 281 | }
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| 282 |
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| 283 | Document libraryXsl = null;
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| 284 | try {
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| 285 | libraryXsl = getLibraryDoc() ;
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| 286 | String errMsg = ((XMLConverter.ParseErrorHandler)parser.getErrorHandler()).getErrorMessage();
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| 287 | if(errMsg != null) {
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| 288 | return XMLTransformer.constructErrorXHTMLPage("Error loading xslt file: "
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| 289 | + this.getLibraryXSLFilename() + "\n" + errMsg);
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| 290 | }
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| 291 | } catch (java.io.FileNotFoundException e) {
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| 292 | return fileNotFoundErrorPage(e.getMessage());
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| 293 | } catch (Exception e) {
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| 294 | e.printStackTrace() ;
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| 295 | System.out.println("error loading library xslt") ;
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[18436] | 296 | return XMLTransformer.constructErrorXHTMLPage("error loading library xslt\n" + e.getMessage()) ;
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[18433] | 297 | }
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| 298 |
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| 299 | // Combine the skin file and library variables/templates into one document.
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| 300 | // Please note: We dont just use xsl:import because the preprocessing stage
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| 301 | // needs to know what's available in the library.
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| 302 |
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| 303 | Document skinAndLibraryXsl = null ;
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| 304 | Document skinAndLibraryDoc = converter.newDOM();
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| 305 | try {
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| 306 |
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| 307 | skinAndLibraryXsl = converter.newDOM();
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| 308 | Element root = skinAndLibraryXsl.createElement("skinAndLibraryXsl") ;
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| 309 | skinAndLibraryXsl.appendChild(root) ;
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| 310 |
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| 311 | Element s = skinAndLibraryXsl.createElement("skinXsl") ;
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| 312 | s.appendChild(skinAndLibraryXsl.importNode(style_doc.getDocumentElement(), true)) ;
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| 313 | root.appendChild(s) ;
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| 314 |
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| 315 | Element l = skinAndLibraryXsl.createElement("libraryXsl") ;
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| 316 | Element libraryXsl_el = libraryXsl.getDocumentElement();
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| 317 | l.appendChild(skinAndLibraryXsl.importNode(libraryXsl_el, true)) ;
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| 318 | root.appendChild(l) ;
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| 319 | //System.out.println("Skin and Library XSL are now together") ;
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| 320 |
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| 321 |
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| 322 | //System.out.println("Pre-processing the skin file...") ;
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| 323 |
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| 324 | //pre-process the skin style sheet
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| 325 | //In other words, apply the preProcess.xsl to 'skinAndLibraryXsl' in order to
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| 326 | //expand all GS-Lib statements into complete XSL statements and also to create
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| 327 | //a valid xsl style sheet document.
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| 328 |
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| 329 | Transformer preProcessor = transformerFactory.newTransformer(new DOMSource(preprocessingXsl));
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| 330 | preProcessor.setErrorListener(new XMLTransformer.TransformErrorListener());
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| 331 | DOMResult result = new DOMResult();
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| 332 | result.setNode(skinAndLibraryDoc);
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| 333 | preProcessor.transform(new DOMSource(skinAndLibraryXsl), result);
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[18436] | 334 | //System.out.println("GS-Lib statements are now expanded") ;
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[18433] | 335 |
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| 336 | }
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| 337 | catch (TransformerException e) {
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| 338 | e.printStackTrace() ;
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| 339 | System.out.println("TransformerException while preprocessing the skin xslt") ;
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| 340 | return XMLTransformer.constructErrorXHTMLPage(e.getMessage()) ;
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| 341 | }
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| 342 | catch (Exception e) {
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| 343 | e.printStackTrace() ;
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| 344 | System.out.println("Error while preprocessing the skin xslt") ;
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| 345 | return XMLTransformer.constructErrorXHTMLPage(e.getMessage()) ;
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| 346 | }
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[4258] | 347 |
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[16374] | 348 | // there is a thing called a URIResolver which you can set for a
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| 349 | // transformer or transformer factory. may be able to use this
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| 350 | // instead of this absoluteIncludepaths hack
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| 351 |
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[18433] | 352 | GSXSLT.absoluteIncludePaths(skinAndLibraryDoc, GlobalProperties.getGSDL3Home(),
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| 353 | (String)this.config_params.get(GSConstants.SITE_NAME),
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| 354 | collection, (String)this.config_params.get(GSConstants.INTERFACE_NAME),
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| 355 | base_interfaces);
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[16374] | 356 |
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| 357 |
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[18433] | 358 | //Same but for the debug version when we want the do the transformation like we use to do
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| 359 | //without any gslib elements.
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| 360 | GSXSLT.absoluteIncludePaths(oldStyle_doc, GlobalProperties.getGSDL3Home(),
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| 361 | (String)this.config_params.get(GSConstants.SITE_NAME),
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| 362 | collection, (String)this.config_params.get(GSConstants.INTERFACE_NAME),
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| 363 | base_interfaces);
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| 364 |
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| 365 | //Send different stages of the skin xslt to the browser for debug purposes only
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| 366 | //using &o=skindoc or &o=skinandlib etc...
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| 367 | if (output.equals("skindoc")) {
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| 368 | return converter.getDOM(getStringFromDocument(style_doc));
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| 369 | }
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| 370 | if (output.equals("skinandlib")) {
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| 371 | return converter.getDOM(getStringFromDocument(skinAndLibraryXsl));
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| 372 | }
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| 373 | if (output.equals("skinandlibdoc")) {
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| 374 | return converter.getDOM(getStringFromDocument(skinAndLibraryDoc));
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| 375 | }
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| 376 | if (output.equals("oldskindoc")) {
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| 377 | return converter.getDOM(getStringFromDocument(oldStyle_doc));
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| 378 | }
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[4258] | 379 |
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[18433] | 380 | // DocType defaults in case the skin doesn't have an "xsl:output" element
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| 381 | String qualifiedName = "html";
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| 382 | String publicID = "-//W3C//DTD HTML 4.01 Transitional//EN";
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| 383 | String systemID = "http://www.w3.org/TR/html4/loose.dtd";
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| 384 |
|
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| 385 | // Try to get the system and public ID from the current skin xsl document
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| 386 | // otherwise keep the default values.
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| 387 | Element root = skinAndLibraryDoc.getDocumentElement();
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| 388 | NodeList nodes = root.getElementsByTagName("xsl:output");
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| 389 | // If there is at least one "xsl:output" command in the final xsl then...
|
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| 390 | if(nodes.getLength() != 0) {
|
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| 391 | // There should be only one element called xsl:output,
|
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| 392 | // but if this is not the case get the last one
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| 393 | Element xsl_output = (Element)nodes.item(nodes.getLength()-1);
|
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| 394 | if (xsl_output != null) {
|
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| 395 | // Qualified name will always be html even for xhtml pages
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| 396 | //String attrValue = xsl_output.getAttribute("method");
|
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| 397 | //qualifiedName = attrValue.equals("") ? qualifiedName : attrValue;
|
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| 398 |
|
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| 399 | String attrValue = xsl_output.getAttribute("doctype-system");
|
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| 400 | systemID = attrValue.equals("") ? systemID : attrValue;
|
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| 401 |
|
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| 402 | attrValue = xsl_output.getAttribute("doctype-public");
|
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| 403 | publicID = attrValue.equals("") ? publicID : attrValue;
|
---|
| 404 | }
|
---|
| 405 | }
|
---|
| 406 |
|
---|
| 407 | // We need to create an empty document with a predefined DocType,
|
---|
| 408 | // that will then be used for the transformation by the DOMResult
|
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| 409 | Document docWithDoctype = converter.newDOM(qualifiedName, publicID, systemID);
|
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| 410 |
|
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| 411 | //System.out.println(converter.getPrettyString(docWithDoctype));
|
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| 412 | //System.out.println("Doctype vals: " + qualifiedName + " " + publicID + " " + systemID) ;
|
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| 413 |
|
---|
| 414 | //System.out.println("Generate final HTML from current skin") ;
|
---|
| 415 | //Transformation of the XML message from the receptionist to HTML with doctype
|
---|
| 416 | return this.transformer.transform(skinAndLibraryDoc, doc, config_params, docWithDoctype);
|
---|
| 417 |
|
---|
| 418 |
|
---|
| 419 | // The line below will do the transformation like we use to do before having Skin++ implemented,
|
---|
| 420 | // it will not contain any GS-Lib statements expanded, and the result will not contain any doctype.
|
---|
[4258] | 421 |
|
---|
[18433] | 422 | //return (Element)this.transformer.transform(style_doc, doc, config_params);
|
---|
| 423 |
|
---|
| 424 | }
|
---|
| 425 |
|
---|
| 426 |
|
---|
| 427 | // method to convert Document to a proper XML string for debug purposes only
|
---|
| 428 | protected String getStringFromDocument(Document doc)
|
---|
| 429 | {
|
---|
| 430 | String content = "";
|
---|
| 431 | try
|
---|
| 432 | {
|
---|
| 433 | DOMSource domSource = new DOMSource(doc);
|
---|
| 434 | StringWriter writer = new StringWriter();
|
---|
| 435 | StreamResult result = new StreamResult(writer);
|
---|
| 436 | TransformerFactory tf = TransformerFactory.newInstance();
|
---|
| 437 | Transformer transformer = tf.newTransformer();
|
---|
| 438 | transformer.transform(domSource, result);
|
---|
| 439 | content = writer.toString();
|
---|
| 440 | System.out.println("Change the & to &Amp; for proper debug dispay") ;
|
---|
| 441 | content = content.replaceAll("&", "&");
|
---|
| 442 | writer.flush();
|
---|
| 443 | }
|
---|
| 444 | catch(TransformerException ex)
|
---|
| 445 | {
|
---|
| 446 | ex.printStackTrace();
|
---|
| 447 | return null;
|
---|
| 448 | }
|
---|
| 449 | return content;
|
---|
| 450 | }
|
---|
| 451 |
|
---|
| 452 |
|
---|
| 453 | protected Document getPreprocessDoc() throws Exception {
|
---|
| 454 |
|
---|
| 455 | File xslt_file = new File(preprocess_xsl_filename) ;
|
---|
| 456 |
|
---|
| 457 | FileReader reader = new FileReader(xslt_file);
|
---|
| 458 | InputSource xml_source = new InputSource(reader);
|
---|
| 459 | this.parser.parse(xml_source);
|
---|
| 460 | Document doc = this.parser.getDocument();
|
---|
| 461 |
|
---|
| 462 | return doc ;
|
---|
| 463 | }
|
---|
| 464 |
|
---|
| 465 | protected Document getLibraryDoc() throws Exception {
|
---|
| 466 | Document doc = null;
|
---|
| 467 | File xslt_file = new File(this.getLibraryXSLFilename()) ;
|
---|
| 468 |
|
---|
| 469 | FileReader reader = new FileReader(xslt_file);
|
---|
| 470 | InputSource xml_source = new InputSource(reader);
|
---|
| 471 | this.parser.parse(xml_source);
|
---|
| 472 |
|
---|
| 473 | doc = this.parser.getDocument();
|
---|
| 474 | return doc ;
|
---|
| 475 | }
|
---|
| 476 |
|
---|
| 477 | protected String getXSLTFileName(String action, String subaction,
|
---|
| 478 | String collection) {
|
---|
| 479 |
|
---|
[4258] | 480 | String name = null;
|
---|
| 481 | if (!subaction.equals("")) {
|
---|
| 482 | String key = action+":"+subaction;
|
---|
| 483 | name = (String) this.xslt_map.get(key);
|
---|
| 484 | }
|
---|
| 485 | // try the action by itself
|
---|
| 486 | if (name==null) {
|
---|
| 487 | name = (String) this.xslt_map.get(action);
|
---|
| 488 | }
|
---|
| 489 | // now find the absolute path
|
---|
[10293] | 490 | String stylesheet = GSFile.stylesheetFile(GlobalProperties.getGSDL3Home(), (String)this.config_params.get(GSConstants.SITE_NAME), collection, (String)this.config_params.get(GSConstants.INTERFACE_NAME), base_interfaces, name);
|
---|
[4258] | 491 | if (stylesheet==null) {
|
---|
[13124] | 492 | logger.info(" cant find stylesheet for "+name);
|
---|
[4258] | 493 | }
|
---|
| 494 | return stylesheet;
|
---|
| 495 | }
|
---|
| 496 |
|
---|
[18433] | 497 | // returns the library.xsl path of the library file that is applicable for the current interface
|
---|
| 498 | protected String getLibraryXSLFilename() {
|
---|
| 499 | return GSFile.xmlTransformDir(GSFile.interfaceHome(
|
---|
| 500 | GlobalProperties.getGSDL3Home(), (String)this.config_params.get(GSConstants.INTERFACE_NAME)))
|
---|
| 501 | + File.separatorChar + "library.xsl";
|
---|
| 502 | }
|
---|
| 503 |
|
---|
| 504 | // Call this when a FileNotFoundException could be thrown when loading an xsl (xml) file.
|
---|
| 505 | // Returns an error xhtml page indicating which xsl (or other xml) file is missing.
|
---|
| 506 | protected Document fileNotFoundErrorPage(String filenameMessage) {
|
---|
| 507 | String errorMessage = "ERROR missing file: " + filenameMessage;
|
---|
| 508 | Element errPage = XMLTransformer.constructErrorXHTMLPage(errorMessage);
|
---|
| 509 | logger.error(errorMessage);
|
---|
| 510 | System.err.println("****" + errorMessage);
|
---|
| 511 | return errPage.getOwnerDocument();
|
---|
| 512 | }
|
---|
[4258] | 513 | }
|
---|