[4258] | 1 | package org.greenstone.gsdl3.core;
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| 2 |
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[22085] | 3 | import org.greenstone.util.GlobalProperties;
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[4258] | 4 | import org.greenstone.gsdl3.util.*;
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| 5 | import org.greenstone.gsdl3.action.*;
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| 6 | // XML classes
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[24458] | 7 | import org.w3c.dom.Node;
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| 8 | import org.w3c.dom.NodeList;
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[23794] | 9 | import org.w3c.dom.Comment;
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| 10 | import org.w3c.dom.Text;
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[24458] | 11 | import org.w3c.dom.Document;
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[18433] | 12 | import org.w3c.dom.Element;
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| 13 | import org.xml.sax.InputSource;
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[23794] | 14 | import org.w3c.dom.NamedNodeMap;
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[4258] | 15 |
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| 16 | // other java classes
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[24884] | 17 | import java.io.ByteArrayInputStream;
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[4258] | 18 | import java.io.File;
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[25635] | 19 | import java.io.Serializable;
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[24884] | 20 | import java.io.StringReader;
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[18433] | 21 | import java.io.StringWriter;
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| 22 | import java.io.FileReader;
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| 23 | import java.io.FileNotFoundException;
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[24509] | 24 | import java.util.ArrayList;
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[4258] | 25 | import java.util.HashMap;
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| 26 | import java.util.Enumeration;
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| 27 |
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[18433] | 28 | import javax.xml.parsers.*;
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| 29 | import javax.xml.transform.*;
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| 30 | import javax.xml.transform.dom.*;
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| 31 | import javax.xml.transform.stream.*;
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[13124] | 32 | import org.apache.log4j.*;
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[24703] | 33 | import org.apache.tools.zip.ExtraFieldUtils;
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[18433] | 34 | import org.apache.xerces.dom.*;
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| 35 | import org.apache.xerces.parsers.DOMParser;
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[13124] | 36 |
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[23794] | 37 | import org.apache.commons.lang3.StringUtils;
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| 38 |
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[24458] | 39 | /**
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| 40 | * A receptionist that uses xslt to transform the page_data before returning it.
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| 41 | * . Receives requests consisting of an xml representation of cgi args, and
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| 42 | * returns the page of data - in html by default. The requests are processed by
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| 43 | * the appropriate action class
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| 44 | *
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[4258] | 45 | * @see Action
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| 46 | */
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[24458] | 47 | public class TransformingReceptionist extends Receptionist
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| 48 | {
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[4258] | 49 |
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[24458] | 50 | static Logger logger = Logger.getLogger(org.greenstone.gsdl3.core.TransformingReceptionist.class.getName());
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[18433] | 51 |
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[24458] | 52 | /** The preprocess.xsl file is in a fixed location */
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| 53 | static final String preprocess_xsl_filename = GlobalProperties.getGSDL3Home() + File.separatorChar + "ui" + File.separatorChar + "xslt" + File.separatorChar + "preProcess.xsl";
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[18433] | 54 |
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[24458] | 55 | /** the list of xslt to use for actions */
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[25635] | 56 | protected HashMap<String, String> xslt_map = null;
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[8921] | 57 |
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[24458] | 58 | /** a transformer class to transform xml using xslt */
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| 59 | protected XMLTransformer transformer = null;
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[4258] | 60 |
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[24458] | 61 | protected TransformerFactory transformerFactory = null;
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| 62 | protected DOMParser parser = null;
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[4258] | 63 |
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[24458] | 64 | public TransformingReceptionist()
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| 65 | {
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| 66 | super();
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[25635] | 67 | this.xslt_map = new HashMap<String, String>();
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[24458] | 68 | this.transformer = new XMLTransformer();
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| 69 | try
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| 70 | {
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| 71 | transformerFactory = org.apache.xalan.processor.TransformerFactoryImpl.newInstance();
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| 72 | this.converter = new XMLConverter();
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| 73 | //transformerFactory.setURIResolver(new MyUriResolver()) ;
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[4258] | 74 |
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[24458] | 75 | parser = new DOMParser();
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| 76 | parser.setFeature("http://xml.org/sax/features/validation", false);
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| 77 | // 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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| 78 | parser.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
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| 79 | // a performance test showed that having this on lead to increased
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| 80 | // memory use for small-medium docs, and not much gain for large
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| 81 | // docs.
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| 82 | // http://www.sosnoski.com/opensrc/xmlbench/conclusions.html
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| 83 | parser.setFeature("http://apache.org/xml/features/dom/defer-node-expansion", false);
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| 84 | parser.setFeature("http://apache.org/xml/features/continue-after-fatal-error", true);
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| 85 | // setting a handler for when fatal errors, errors or warnings happen during xml parsing
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| 86 | // call XMLConverter's getParseErrorMessage() to get the errorstring that can be rendered as web page
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| 87 | this.parser.setErrorHandler(new XMLConverter.ParseErrorHandler());
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| 88 | }
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| 89 | catch (Exception e)
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| 90 | {
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| 91 | e.printStackTrace();
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| 92 | }
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[4258] | 93 |
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[24458] | 94 | }
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[20149] | 95 |
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[24458] | 96 | /** configures the receptionist - overwrite this to set up the xslt map */
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| 97 | public boolean configure()
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| 98 | {
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| 99 |
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| 100 | if (this.config_params == null)
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| 101 | {
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| 102 | logger.error(" config variables must be set before calling configure");
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| 103 | return false;
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| 104 | }
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| 105 | if (this.mr == null)
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| 106 | {
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| 107 | logger.error(" message router must be set before calling configure");
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| 108 | return false;
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| 109 | }
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| 110 |
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| 111 | // find the config file containing a list of actions
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| 112 | File interface_config_file = new File(GSFile.interfaceConfigFile(GSFile.interfaceHome(GlobalProperties.getGSDL3Home(), (String) this.config_params.get(GSConstants.INTERFACE_NAME))));
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| 113 | if (!interface_config_file.exists())
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| 114 | {
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| 115 | logger.error(" interface config file: " + interface_config_file.getPath() + " not found!");
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| 116 | return false;
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| 117 | }
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| 118 | Document config_doc = this.converter.getDOM(interface_config_file, "utf-8");
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| 119 | if (config_doc == null)
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| 120 | {
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| 121 | logger.error(" could not parse interface config file: " + interface_config_file.getPath());
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| 122 | return false;
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| 123 | }
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| 124 | Element config_elem = config_doc.getDocumentElement();
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| 125 | String base_interface = config_elem.getAttribute("baseInterface");
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| 126 | setUpBaseInterface(base_interface);
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| 127 | setUpInterfaceOptions(config_elem);
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| 128 |
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| 129 | Element action_list = (Element) GSXML.getChildByTagName(config_elem, GSXML.ACTION_ELEM + GSXML.LIST_MODIFIER);
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| 130 | NodeList actions = action_list.getElementsByTagName(GSXML.ACTION_ELEM);
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| 131 |
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| 132 | for (int i = 0; i < actions.getLength(); i++)
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| 133 | {
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| 134 | Element action = (Element) actions.item(i);
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| 135 | String class_name = action.getAttribute("class");
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| 136 | String action_name = action.getAttribute("name");
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| 137 | Action ac = null;
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| 138 | try
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| 139 | {
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| 140 | ac = (Action) Class.forName("org.greenstone.gsdl3.action." + class_name).newInstance();
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| 141 | }
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| 142 | catch (Exception e)
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| 143 | {
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| 144 | logger.error(" couldn't load in action " + class_name);
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| 145 | e.printStackTrace();
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| 146 | continue;
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| 147 | }
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| 148 | ac.setConfigParams(this.config_params);
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| 149 | ac.setMessageRouter(this.mr);
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| 150 | ac.configure();
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[25301] | 151 | ac.addActionParameters(this.params);
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[24458] | 152 | this.action_map.put(action_name, ac);
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| 153 |
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| 154 | // now do the xslt map
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| 155 | String xslt = action.getAttribute("xslt");
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| 156 | if (!xslt.equals(""))
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| 157 | {
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| 158 | this.xslt_map.put(action_name, xslt);
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| 159 | }
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| 160 | NodeList subactions = action.getElementsByTagName(GSXML.SUBACTION_ELEM);
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| 161 | for (int j = 0; j < subactions.getLength(); j++)
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| 162 | {
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| 163 | Element subaction = (Element) subactions.item(j);
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| 164 | String subname = subaction.getAttribute(GSXML.NAME_ATT);
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| 165 | String subxslt = subaction.getAttribute("xslt");
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| 166 |
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| 167 | String map_key = action_name + ":" + subname;
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| 168 | logger.debug("adding in to xslt map, " + map_key + "->" + subxslt);
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| 169 | this.xslt_map.put(map_key, subxslt);
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| 170 | }
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| 171 | }
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| 172 | Element lang_list = (Element) GSXML.getChildByTagName(config_elem, "languageList");
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| 173 | if (lang_list == null)
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| 174 | {
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| 175 | logger.error(" didn't find a language list in the config file!!");
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| 176 | }
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| 177 | else
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| 178 | {
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| 179 | this.language_list = (Element) this.doc.importNode(lang_list, true);
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| 180 | }
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| 181 |
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| 182 | return true;
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[22786] | 183 | }
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| 184 |
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[24458] | 185 | protected Node postProcessPage(Element page)
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[22786] | 186 | {
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[24458] | 187 | // might need to add some data to the page
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| 188 | addExtraInfo(page);
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| 189 | // transform the page using xslt
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| 190 | Node transformed_page = transformPage(page);
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| 191 |
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| 192 | // if the user has specified they want only a part of the full page then subdivide it
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| 193 | boolean subdivide = false;
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| 194 | String excerptID = null;
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| 195 | String excerptTag = null;
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| 196 | Element request = (Element) GSXML.getChildByTagName(page, GSXML.PAGE_REQUEST_ELEM);
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| 197 | Element cgi_param_list = (Element) GSXML.getChildByTagName(request, GSXML.PARAM_ELEM + GSXML.LIST_MODIFIER);
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| 198 | if (cgi_param_list != null)
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[22786] | 199 | {
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[25635] | 200 | HashMap<String, Serializable> params = GSXML.extractParams(cgi_param_list, false);
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[24458] | 201 | if ((excerptID = (String) params.get(GSParams.EXCERPT_ID)) != null)
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| 202 | {
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| 203 | subdivide = true;
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| 204 | }
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| 205 | if ((excerptTag = (String) params.get(GSParams.EXCERPT_TAG)) != null)
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| 206 | {
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| 207 | subdivide = true;
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| 208 | }
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[22786] | 209 | }
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[24458] | 210 |
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| 211 | if (subdivide)
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| 212 | {
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| 213 | Node subdivided_page = subdivide(transformed_page, excerptID, excerptTag);
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| 214 | if (subdivided_page != null)
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| 215 | {
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| 216 | return subdivided_page;
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| 217 | }
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| 218 | }
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| 219 |
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| 220 | return transformed_page;
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[22786] | 221 | }
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[24458] | 222 |
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| 223 | protected Node subdivide(Node transformed_page, String excerptID, String excerptTag)
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[22786] | 224 | {
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[24458] | 225 | if (excerptID != null)
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| 226 | {
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| 227 | Node selectedElement = getNodeByIdRecursive(transformed_page, excerptID);
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| 228 | modifyNodesByTagRecursive(selectedElement, "a");
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| 229 | return selectedElement;
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| 230 | }
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| 231 | else if (excerptTag != null)
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| 232 | {
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| 233 | /*
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| 234 | * // define a list
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| 235 | *
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| 236 | * Node selectedElement =
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| 237 | * modifyNodesByTagRecursive(transformed_page, excerptTag);
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| 238 | */
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| 239 |
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| 240 | Node selectedElement = getNodeByTagRecursive(transformed_page, excerptTag);
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| 241 | return selectedElement;
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| 242 |
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| 243 | }
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| 244 | return transformed_page;
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[22786] | 245 | }
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[24458] | 246 |
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| 247 | protected Node getNodeByIdRecursive(Node parent, String id)
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[22786] | 248 | {
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[24458] | 249 | if (parent.hasAttributes() && ((Element) parent).getAttribute("id").equals(id))
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| 250 | {
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| 251 | return parent;
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| 252 | }
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| 253 |
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| 254 | NodeList children = parent.getChildNodes();
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| 255 | for (int i = 0; i < children.getLength(); i++)
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| 256 | {
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| 257 | Node result = null;
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| 258 | if ((result = getNodeByIdRecursive(children.item(i), id)) != null)
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| 259 | {
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| 260 | return result;
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| 261 | }
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| 262 | }
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| 263 | return null;
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[22786] | 264 | }
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[24458] | 265 |
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| 266 | protected Node getNodeByTagRecursive(Node parent, String tag)
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[22786] | 267 | {
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[24458] | 268 | if (parent.getNodeType() == Node.ELEMENT_NODE && ((Element) parent).getTagName().equals(tag))
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| 269 | {
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| 270 | return parent;
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| 271 | }
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| 272 |
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| 273 | NodeList children = parent.getChildNodes();
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| 274 | for (int i = 0; i < children.getLength(); i++)
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| 275 | {
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| 276 | Node result = null;
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| 277 | if ((result = getNodeByTagRecursive(children.item(i), tag)) != null)
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| 278 | {
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| 279 | return result;
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| 280 | }
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| 281 | }
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| 282 | return null;
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[22786] | 283 | }
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[24458] | 284 |
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| 285 | protected Node modifyNodesByTagRecursive(Node parent, String tag)
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[22786] | 286 | {
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[24522] | 287 | if (parent == null || (parent.getNodeType() == Node.ELEMENT_NODE && ((Element) parent).getTagName().equals(tag)))
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[22786] | 288 | {
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[24458] | 289 | return parent;
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[22786] | 290 | }
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[24458] | 291 |
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| 292 | NodeList children = parent.getChildNodes();
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| 293 | for (int i = 0; i < children.getLength(); i++)
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| 294 | {
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| 295 | Node result = null;
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| 296 | if ((result = modifyNodesByTagRecursive(children.item(i), tag)) != null)
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| 297 | {
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| 298 | //return result;
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| 299 | //logger.error("Modify node value = "+result.getNodeValue()); //NamedItem("href"););
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[24583] | 300 | //logger.error("BEFORE Modify node attribute = " + result.getAttributes().getNamedItem("href").getNodeValue());
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| 301 | //String url = result.getAttributes().getNamedItem("href").getNodeValue();
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[24458] | 302 | //url = url + "&excerptid=results";
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[24583] | 303 | //result.getAttributes().getNamedItem("href").setNodeValue(url);
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| 304 | //logger.error("AFTER Modify node attribute = " + result.getAttributes().getNamedItem("href").getNodeValue());
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[24458] | 305 | }
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| 306 | }
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| 307 | return null;
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[22786] | 308 | }
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[24458] | 309 |
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| 310 | /**
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| 311 | * overwrite this to add any extra info that might be needed in the page
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| 312 | * before transformation
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| 313 | */
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| 314 | protected void addExtraInfo(Element page)
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[22786] | 315 | {
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| 316 | }
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[24458] | 317 |
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| 318 | /**
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| 319 | * transform the page using xslt we need to get any format element out of
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| 320 | * the page and add it to the xslt before transforming
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| 321 | */
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| 322 | protected Node transformPage(Element page)
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[22786] | 323 | {
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[24458] | 324 | boolean allowsClientXSLT = (Boolean) config_params.get(GSConstants.ALLOW_CLIENT_SIDE_XSLT);
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| 325 | //System.out.println("Client side transforms allowed? " + allowsClientXSLT);
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| 326 |
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| 327 | String currentInterface = (String) config_params.get(GSConstants.INTERFACE_NAME);
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| 328 |
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| 329 | Element request = (Element) GSXML.getChildByTagName(page, GSXML.PAGE_REQUEST_ELEM);
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| 330 | String output = request.getAttribute(GSXML.OUTPUT_ATT);
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| 331 |
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| 332 | //System.out.println("Current output mode is: " + output + ", current interface name is: " + currentInterface);
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| 333 |
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| 334 | if (allowsClientXSLT)
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[22786] | 335 | {
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[24458] | 336 | if (!currentInterface.endsWith(GSConstants.CLIENT_SIDE_XSLT_INTERFACE_SUFFIX) && output.equals("html"))
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| 337 | {
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| 338 | System.out.println("output is html and we are not currently using a client side version, switching");
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| 339 | // Switch the interface
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| 340 | config_params.put(GSConstants.INTERFACE_NAME, currentInterface.concat(GSConstants.CLIENT_SIDE_XSLT_INTERFACE_SUFFIX));
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| 341 | }
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| 342 | else if ((currentInterface.endsWith(GSConstants.CLIENT_SIDE_XSLT_INTERFACE_SUFFIX) && !output.equals("html")) || output.equals("server"))
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| 343 | {
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| 344 | // The reverse needs to happen too
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| 345 | config_params.put(GSConstants.INTERFACE_NAME, currentInterface.substring(0, currentInterface.length() - GSConstants.CLIENT_SIDE_XSLT_INTERFACE_SUFFIX.length()));
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| 346 | }
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[22786] | 347 | }
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[24458] | 348 | else if (currentInterface.endsWith(GSConstants.CLIENT_SIDE_XSLT_INTERFACE_SUFFIX))
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| 349 | {
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| 350 | config_params.put(GSConstants.INTERFACE_NAME, currentInterface.substring(0, currentInterface.length() - GSConstants.CLIENT_SIDE_XSLT_INTERFACE_SUFFIX.length()));
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| 351 | }
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[23298] | 352 |
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[24458] | 353 | // DocType defaults in case the skin doesn't have an "xsl:output" element
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| 354 | String qualifiedName = "html";
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| 355 | String publicID = "-//W3C//DTD HTML 4.01 Transitional//EN";
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| 356 | String systemID = "http://www.w3.org/TR/html4/loose.dtd";
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[4258] | 357 |
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[24458] | 358 | // We need to create an empty document with a predefined DocType,
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| 359 | // that will then be used for the transformation by the DOMResult
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| 360 | Document docWithDoctype = converter.newDOM(qualifiedName, publicID, systemID);
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[23968] | 361 |
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[24458] | 362 | if (output.equals("xsltclient"))
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| 363 | {
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| 364 | // If you're just getting the client-side transform page, why bother with the rest of this?
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| 365 | Element html = docWithDoctype.createElement("html");
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| 366 | Element img = docWithDoctype.createElement("img");
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| 367 | img.setAttribute("src", "interfaces/default/images/loading.gif"); // Make it dynamic
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| 368 | img.setAttribute("alt", "Please wait...");
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| 369 | Text title_text = docWithDoctype.createTextNode("Please wait..."); // Make this language dependent
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| 370 | Element head = docWithDoctype.createElement("head");
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| 371 | Element title = docWithDoctype.createElement("title");
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| 372 | title.appendChild(title_text);
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| 373 | Element body = docWithDoctype.createElement("body");
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| 374 | Element script = docWithDoctype.createElement("script");
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| 375 | Element jquery = docWithDoctype.createElement("script");
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| 376 | jquery.setAttribute("src", "jquery.js");
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| 377 | jquery.setAttribute("type", "text/javascript");
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| 378 | Comment jquery_comment = docWithDoctype.createComment("jQuery");
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| 379 | Comment script_comment = docWithDoctype.createComment("Filler for browser");
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| 380 | script.setAttribute("src", "test.js");
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| 381 | script.setAttribute("type", "text/javascript");
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| 382 | Element pagevar = docWithDoctype.createElement("script");
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| 383 | Element style = docWithDoctype.createElement("style");
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| 384 | style.setAttribute("type", "text/css");
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| 385 | Text style_text = docWithDoctype.createTextNode("body { text-align: center; padding: 50px; font: 14pt Arial, sans-serif; font-weight: bold; }");
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| 386 | pagevar.setAttribute("type", "text/javascript");
|
---|
| 387 | Text page_var_text = docWithDoctype.createTextNode("var placeholder = true;");
|
---|
[23968] | 388 |
|
---|
[24458] | 389 | html.appendChild(head);
|
---|
| 390 | head.appendChild(title);
|
---|
| 391 | head.appendChild(style);
|
---|
| 392 | style.appendChild(style_text);
|
---|
| 393 | html.appendChild(body);
|
---|
| 394 | head.appendChild(pagevar);
|
---|
| 395 | head.appendChild(jquery);
|
---|
| 396 | head.appendChild(script);
|
---|
| 397 | pagevar.appendChild(page_var_text);
|
---|
| 398 | jquery.appendChild(jquery_comment);
|
---|
| 399 | script.appendChild(script_comment);
|
---|
| 400 | body.appendChild(img);
|
---|
| 401 | docWithDoctype.appendChild(html);
|
---|
[23968] | 402 |
|
---|
[24458] | 403 | return (Node) docWithDoctype;
|
---|
| 404 | }
|
---|
[23968] | 405 |
|
---|
[24458] | 406 | // Passing in the pretty string here means it needs to be generated even when not debugging; so use custom function to return blank when debug is off
|
---|
| 407 | logger.debug("page before transforming:");
|
---|
| 408 | logger.debug(this.converter.getPrettyStringLogger(page, logger));
|
---|
| 409 |
|
---|
| 410 | String action = request.getAttribute(GSXML.ACTION_ATT);
|
---|
| 411 | String subaction = request.getAttribute(GSXML.SUBACTION_ATT);
|
---|
| 412 |
|
---|
| 413 | // we should choose how to transform the data based on output, eg diff
|
---|
| 414 | // choice for html, and wml??
|
---|
| 415 | // for now, if output=xml, we don't transform the page, we just return
|
---|
| 416 | // the page xml
|
---|
| 417 | Document theXML = null;
|
---|
| 418 |
|
---|
| 419 | if (output.equals("xml") || output.equals("clientside"))
|
---|
[23968] | 420 | {
|
---|
[24458] | 421 | // Append some bits and pieces first...
|
---|
| 422 | theXML = converter.newDOM();
|
---|
| 423 | // Import into new document first!
|
---|
| 424 | Node newPage = theXML.importNode(page, true);
|
---|
| 425 | theXML.appendChild(newPage);
|
---|
| 426 | Element root = theXML.createElement("xsltparams");
|
---|
| 427 | newPage.appendChild(root);
|
---|
| 428 |
|
---|
| 429 | Element libname = theXML.createElement("param");
|
---|
| 430 | libname.setAttribute("name", "library_name");
|
---|
| 431 | Text libnametext = theXML.createTextNode((String) config_params.get(GSConstants.LIBRARY_NAME));
|
---|
| 432 | libname.appendChild(libnametext);
|
---|
| 433 |
|
---|
| 434 | Element intname = theXML.createElement("param");
|
---|
| 435 | intname.setAttribute("name", "interface_name");
|
---|
| 436 | Text intnametext = theXML.createTextNode((String) config_params.get(GSConstants.INTERFACE_NAME));
|
---|
| 437 | intname.appendChild(intnametext);
|
---|
[25253] | 438 |
|
---|
| 439 | Element siteName = theXML.createElement("param");
|
---|
| 440 | siteName.setAttribute("name", "site_name");
|
---|
| 441 | Text siteNameText = theXML.createTextNode((String) config_params.get(GSConstants.SITE_NAME));
|
---|
| 442 | siteName.appendChild(siteNameText);
|
---|
[24458] | 443 |
|
---|
| 444 | Element filepath = theXML.createElement("param");
|
---|
| 445 | filepath.setAttribute("name", "filepath");
|
---|
| 446 | Text filepathtext = theXML.createTextNode(GlobalProperties.getGSDL3Home());
|
---|
| 447 | filepath.appendChild(filepathtext);
|
---|
| 448 |
|
---|
| 449 | root.appendChild(libname);
|
---|
| 450 | root.appendChild(intname);
|
---|
[25253] | 451 | root.appendChild(siteName);
|
---|
[24458] | 452 | root.appendChild(filepath);
|
---|
| 453 |
|
---|
| 454 | if (output.equals("xml"))
|
---|
| 455 | return theXML.getDocumentElement();
|
---|
[23968] | 456 | }
|
---|
[24458] | 457 |
|
---|
| 458 | Element cgi_param_list = (Element) GSXML.getChildByTagName(request, GSXML.PARAM_ELEM + GSXML.LIST_MODIFIER);
|
---|
| 459 | String collection = "";
|
---|
[24884] | 460 | String inlineTemplate = "";
|
---|
[24458] | 461 | if (cgi_param_list != null)
|
---|
[23968] | 462 | {
|
---|
[24458] | 463 | // Don't waste time getting all the parameters
|
---|
[25635] | 464 | HashMap<String, Serializable> params = GSXML.extractParams(cgi_param_list, false);
|
---|
[24458] | 465 | collection = (String) params.get(GSParams.COLLECTION);
|
---|
| 466 | if (collection == null)
|
---|
[24884] | 467 | {
|
---|
[24458] | 468 | collection = "";
|
---|
[24884] | 469 | }
|
---|
| 470 |
|
---|
| 471 | inlineTemplate = (String) params.get(GSParams.INLINE_TEMPLATE);
|
---|
[23968] | 472 | }
|
---|
[4258] | 473 |
|
---|
[24509] | 474 | Document style_doc = getXSLTDocument(action, subaction, collection);
|
---|
[24458] | 475 | if (style_doc == null)
|
---|
| 476 | {
|
---|
[24509] | 477 | String errorPage = this.converter.getParseErrorMessage();
|
---|
| 478 | if (errorPage != null)
|
---|
| 479 | {
|
---|
| 480 | return XMLTransformer.constructErrorXHTMLPage("Cannot parse the xslt file\n" + errorPage);
|
---|
| 481 | }
|
---|
[24458] | 482 | return page;
|
---|
| 483 | }
|
---|
[23794] | 484 |
|
---|
[24458] | 485 | // put the page into a document - this is necessary for xslt to get
|
---|
| 486 | // the paths right if you have paths relative to the document root
|
---|
| 487 | // eg /page.
|
---|
| 488 | Document doc = this.converter.newDOM();
|
---|
| 489 | doc.appendChild(doc.importNode(page, true));
|
---|
| 490 | Element page_response = (Element) GSXML.getChildByTagName(page, GSXML.PAGE_RESPONSE_ELEM);
|
---|
| 491 | Element format_elem = (Element) GSXML.getChildByTagName(page_response, GSXML.FORMAT_ELEM);
|
---|
| 492 | if (output.equals("formatelem"))
|
---|
| 493 | {
|
---|
| 494 | return format_elem;
|
---|
| 495 | }
|
---|
| 496 | if (format_elem != null)
|
---|
| 497 | {
|
---|
| 498 | //page_response.removeChild(format_elem);
|
---|
| 499 | logger.debug("format elem=" + this.converter.getPrettyStringLogger(format_elem, logger));
|
---|
| 500 | // need to transform the format info
|
---|
| 501 | 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");
|
---|
| 502 | Document configStylesheet_doc = this.converter.getDOM(new File(configStylesheet_file));
|
---|
[9405] | 503 |
|
---|
[24458] | 504 | if (configStylesheet_doc != null)
|
---|
| 505 | {
|
---|
| 506 | Document format_doc = this.converter.newDOM();
|
---|
| 507 | format_doc.appendChild(format_doc.importNode(format_elem, true));
|
---|
| 508 | Node result = this.transformer.transform(configStylesheet_doc, format_doc, config_params); // Needs addressing <-
|
---|
[23794] | 509 |
|
---|
[24458] | 510 | // Since we started creating documents with DocTypes, we can end up with
|
---|
| 511 | // Document objects here. But we will be working with an Element instead,
|
---|
| 512 | // so we grab the DocumentElement() of the Document object in such a case.
|
---|
| 513 | Element new_format;
|
---|
| 514 | if (result.getNodeType() == Node.DOCUMENT_NODE)
|
---|
| 515 | {
|
---|
| 516 | new_format = ((Document) result).getDocumentElement();
|
---|
| 517 | }
|
---|
| 518 | else
|
---|
| 519 | {
|
---|
| 520 | new_format = (Element) result;
|
---|
| 521 | }
|
---|
| 522 | logger.debug("new format elem=" + this.converter.getPrettyStringLogger(new_format, logger));
|
---|
| 523 | if (output.equals("newformat"))
|
---|
| 524 | {
|
---|
| 525 | return new_format;
|
---|
| 526 | }
|
---|
[4258] | 527 |
|
---|
[24458] | 528 | // add extracted GSF statements in to the main stylesheet
|
---|
| 529 | GSXSLT.mergeStylesheets(style_doc, new_format);
|
---|
| 530 | //System.out.println("added extracted GSF statements into the main stylesheet") ;
|
---|
[18433] | 531 |
|
---|
[24458] | 532 | // add extracted GSF statements in to the debug test stylesheet
|
---|
| 533 | //GSXSLT.mergeStylesheets(oldStyle_doc, new_format);
|
---|
| 534 | }
|
---|
| 535 | else
|
---|
| 536 | {
|
---|
| 537 | logger.error(" couldn't parse the config_format stylesheet, adding the format info as is");
|
---|
| 538 | GSXSLT.mergeStylesheets(style_doc, format_elem);
|
---|
| 539 | //GSXSLT.mergeStylesheets(oldStyle_doc, format_elem);
|
---|
| 540 | }
|
---|
| 541 | logger.debug("the converted stylesheet is:");
|
---|
| 542 | logger.debug(this.converter.getPrettyStringLogger(style_doc.getDocumentElement(), logger));
|
---|
| 543 | }
|
---|
[18433] | 544 |
|
---|
[24458] | 545 | //for debug purposes only
|
---|
| 546 | Document oldStyle_doc = style_doc;
|
---|
[18433] | 547 |
|
---|
[24458] | 548 | Document preprocessingXsl;
|
---|
| 549 | try
|
---|
| 550 | {
|
---|
[24884] | 551 | preprocessingXsl = getDoc(preprocess_xsl_filename);
|
---|
[24458] | 552 | String errMsg = ((XMLConverter.ParseErrorHandler) parser.getErrorHandler()).getErrorMessage();
|
---|
| 553 | if (errMsg != null)
|
---|
| 554 | {
|
---|
| 555 | return XMLTransformer.constructErrorXHTMLPage("error loading preprocess xslt file: " + preprocess_xsl_filename + "\n" + errMsg);
|
---|
| 556 | }
|
---|
| 557 | }
|
---|
| 558 | catch (java.io.FileNotFoundException e)
|
---|
| 559 | {
|
---|
| 560 | return fileNotFoundErrorPage(e.getMessage());
|
---|
| 561 | }
|
---|
| 562 | catch (Exception e)
|
---|
| 563 | {
|
---|
| 564 | e.printStackTrace();
|
---|
| 565 | System.out.println("error loading preprocess xslt");
|
---|
| 566 | return XMLTransformer.constructErrorXHTMLPage("error loading preprocess xslt\n" + e.getMessage());
|
---|
| 567 | }
|
---|
[18433] | 568 |
|
---|
[24458] | 569 | Document libraryXsl = null;
|
---|
| 570 | try
|
---|
| 571 | {
|
---|
[24884] | 572 | libraryXsl = getDoc(this.getLibraryXSLFilename());
|
---|
[24458] | 573 | String errMsg = ((XMLConverter.ParseErrorHandler) parser.getErrorHandler()).getErrorMessage();
|
---|
| 574 | if (errMsg != null)
|
---|
| 575 | {
|
---|
| 576 | return XMLTransformer.constructErrorXHTMLPage("Error loading xslt file: " + this.getLibraryXSLFilename() + "\n" + errMsg);
|
---|
| 577 | }
|
---|
| 578 | }
|
---|
| 579 | catch (java.io.FileNotFoundException e)
|
---|
| 580 | {
|
---|
| 581 | return fileNotFoundErrorPage(e.getMessage());
|
---|
| 582 | }
|
---|
| 583 | catch (Exception e)
|
---|
| 584 | {
|
---|
| 585 | e.printStackTrace();
|
---|
| 586 | System.out.println("error loading library xslt");
|
---|
| 587 | return XMLTransformer.constructErrorXHTMLPage("error loading library xslt\n" + e.getMessage());
|
---|
| 588 | }
|
---|
[16374] | 589 |
|
---|
[24458] | 590 | // Combine the skin file and library variables/templates into one document.
|
---|
| 591 | // Please note: We dont just use xsl:import because the preprocessing stage
|
---|
| 592 | // needs to know what's available in the library.
|
---|
[16374] | 593 |
|
---|
[24458] | 594 | Document skinAndLibraryXsl = null;
|
---|
| 595 | Document skinAndLibraryDoc = converter.newDOM();
|
---|
[25445] | 596 |
|
---|
| 597 | // Applying the preprocessing XSLT - in its own block {} to allow use of non-unique variable names
|
---|
[24458] | 598 | {
|
---|
[16374] | 599 |
|
---|
[24458] | 600 | skinAndLibraryXsl = converter.newDOM();
|
---|
| 601 | Element root = skinAndLibraryXsl.createElement("skinAndLibraryXsl");
|
---|
| 602 | skinAndLibraryXsl.appendChild(root);
|
---|
[4258] | 603 |
|
---|
[24458] | 604 | Element s = skinAndLibraryXsl.createElement("skinXsl");
|
---|
| 605 | s.appendChild(skinAndLibraryXsl.importNode(style_doc.getDocumentElement(), true));
|
---|
| 606 | root.appendChild(s);
|
---|
[23794] | 607 |
|
---|
[24458] | 608 | Element l = skinAndLibraryXsl.createElement("libraryXsl");
|
---|
| 609 | Element libraryXsl_el = libraryXsl.getDocumentElement();
|
---|
| 610 | l.appendChild(skinAndLibraryXsl.importNode(libraryXsl_el, true));
|
---|
| 611 | root.appendChild(l);
|
---|
| 612 | //System.out.println("Skin and Library XSL are now together") ;
|
---|
[4258] | 613 |
|
---|
[24458] | 614 | //System.out.println("Pre-processing the skin file...") ;
|
---|
[18433] | 615 |
|
---|
[24458] | 616 | //pre-process the skin style sheet
|
---|
| 617 | //In other words, apply the preProcess.xsl to 'skinAndLibraryXsl' in order to
|
---|
| 618 | //expand all GS-Lib statements into complete XSL statements and also to create
|
---|
[25445] | 619 | //a valid xsl style sheet document.
|
---|
[18433] | 620 |
|
---|
[25445] | 621 | XMLTransformer preProcessor = new XMLTransformer();
|
---|
| 622 | // Perform the transformation, by passing in:
|
---|
| 623 | // preprocess-stylesheet, source-xsl (skinAndLibraryXsl), and the node that should
|
---|
| 624 | // be in the result (skinAndLibraryDoc)
|
---|
| 625 | preProcessor.transform_withResultNode(preprocessingXsl, skinAndLibraryXsl, skinAndLibraryDoc);
|
---|
| 626 | //System.out.println("GS-Lib statements are now expanded") ;
|
---|
[24458] | 627 | }
|
---|
[25445] | 628 |
|
---|
[18433] | 629 |
|
---|
[24458] | 630 | //The following code is to be uncommented if we need to append the extracted GSF statements
|
---|
| 631 | //after having extracted the GSLib elements. In case of a problem during postprocessing.
|
---|
| 632 | /*
|
---|
| 633 | * // put the page into a document - this is necessary for xslt to get
|
---|
| 634 | * // the paths right if you have paths relative to the document root //
|
---|
| 635 | * eg /page. Document doc = this.converter.newDOM();
|
---|
| 636 | * doc.appendChild(doc.importNode(page, true)); Element page_response =
|
---|
| 637 | * (Element)GSXML.getChildByTagName(page, GSXML.PAGE_RESPONSE_ELEM);
|
---|
| 638 | * Element format_elem = (Element)GSXML.getChildByTagName(page_response,
|
---|
| 639 | * GSXML.FORMAT_ELEM); if (output.equals("formatelem")) { return
|
---|
| 640 | * format_elem; } if (format_elem != null) {
|
---|
| 641 | * //page_response.removeChild(format_elem);
|
---|
| 642 | * logger.debug("format elem="+
|
---|
| 643 | * this.converter.getPrettyString(format_elem)); // need to transform
|
---|
| 644 | * the format info String configStylesheet_file =
|
---|
| 645 | * GSFile.stylesheetFile(GlobalProperties.getGSDL3Home(),
|
---|
| 646 | * (String)this.config_params.get(GSConstants.SITE_NAME), collection,
|
---|
| 647 | * (String)this.config_params.get(GSConstants.INTERFACE_NAME),
|
---|
| 648 | * base_interfaces, "config_format.xsl"); Document configStylesheet_doc
|
---|
| 649 | * = this.converter.getDOM(new File(configStylesheet_file)); if
|
---|
| 650 | * (configStylesheet_doc != null) { Document format_doc =
|
---|
| 651 | * this.converter.newDOM();
|
---|
| 652 | * format_doc.appendChild(format_doc.importNode(format_elem, true));
|
---|
| 653 | * Node result = this.transformer.transform(configStylesheet_doc,
|
---|
| 654 | * format_doc);
|
---|
| 655 | *
|
---|
| 656 | * // Since we started creating documents with DocTypes, we can end up
|
---|
| 657 | * with // Document objects here. But we will be working with an Element
|
---|
| 658 | * instead, // so we grab the DocumentElement() of the Document object
|
---|
| 659 | * in such a case. Element new_format; if(result.getNodeType() ==
|
---|
| 660 | * Node.DOCUMENT_NODE) { new_format =
|
---|
| 661 | * ((Document)result).getDocumentElement(); } else { new_format =
|
---|
| 662 | * (Element)result; }
|
---|
| 663 | * logger.debug("new format elem="+this.converter.getPrettyString
|
---|
| 664 | * (new_format)); if (output.equals("newformat")) { return new_format; }
|
---|
| 665 | *
|
---|
| 666 | * // add extracted GSF statements in to the main stylesheet
|
---|
| 667 | * GSXSLT.mergeStylesheets(skinAndLibraryDoc, new_format);
|
---|
| 668 | * //System.out.println
|
---|
| 669 | * ("added extracted GSF statements into the main stylesheet") ;
|
---|
| 670 | *
|
---|
| 671 | * // add extracted GSF statements in to the debug test stylesheet
|
---|
| 672 | * //GSXSLT.mergeStylesheets(oldStyle_doc, new_format); } else {
|
---|
| 673 | * logger.error(
|
---|
| 674 | * " couldn't parse the config_format stylesheet, adding the format info as is"
|
---|
| 675 | * ); GSXSLT.mergeStylesheets(skinAndLibraryDoc, format_elem); //
|
---|
| 676 | * GSXSLT.mergeStylesheets(oldStyle_doc, format_elem); }
|
---|
| 677 | * logger.debug("the converted stylesheet is:");
|
---|
| 678 | * logger.debug(this.converter
|
---|
| 679 | * .getPrettyString(skinAndLibraryDoc.getDocumentElement())); }
|
---|
| 680 | */
|
---|
[18433] | 681 |
|
---|
[24458] | 682 | // there is a thing called a URIResolver which you can set for a
|
---|
| 683 | // transformer or transformer factory. may be able to use this
|
---|
| 684 | // instead of this absoluteIncludepaths hack
|
---|
[18433] | 685 |
|
---|
[24458] | 686 | GSXSLT.absoluteIncludePaths(skinAndLibraryDoc, GlobalProperties.getGSDL3Home(), (String) this.config_params.get(GSConstants.SITE_NAME), collection, (String) this.config_params.get(GSConstants.INTERFACE_NAME), base_interfaces);
|
---|
[18433] | 687 |
|
---|
[24458] | 688 | //Same but for the debug version when we want the do the transformation like we use to do
|
---|
| 689 | //without any gslib elements.
|
---|
| 690 | GSXSLT.absoluteIncludePaths(oldStyle_doc, GlobalProperties.getGSDL3Home(), (String) this.config_params.get(GSConstants.SITE_NAME), collection, (String) this.config_params.get(GSConstants.INTERFACE_NAME), base_interfaces);
|
---|
[18433] | 691 |
|
---|
[24458] | 692 | //Send different stages of the skin xslt to the browser for debug purposes only
|
---|
| 693 | //using &o=skindoc or &o=skinandlib etc...
|
---|
| 694 | if (output.equals("skindoc"))
|
---|
| 695 | {
|
---|
| 696 | return converter.getDOM(getStringFromDocument(style_doc));
|
---|
| 697 | }
|
---|
| 698 | if (output.equals("skinandlib"))
|
---|
| 699 | {
|
---|
| 700 | return converter.getDOM(getStringFromDocument(skinAndLibraryXsl));
|
---|
| 701 | }
|
---|
| 702 | if (output.equals("skinandlibdoc") || output.equals("clientside"))
|
---|
| 703 | {
|
---|
[18433] | 704 |
|
---|
[24458] | 705 | Node skinAndLib = converter.getDOM(getStringFromDocument(skinAndLibraryDoc));
|
---|
[4258] | 706 |
|
---|
[24458] | 707 | if (output.equals("skinandlibdoc"))
|
---|
| 708 | {
|
---|
| 709 | return skinAndLib;
|
---|
| 710 | }
|
---|
| 711 | else
|
---|
| 712 | {
|
---|
| 713 | // Send XML and skinandlibdoc down the line together
|
---|
| 714 | Document finalDoc = converter.newDOM();
|
---|
| 715 | Node finalDocSkin = finalDoc.importNode(skinAndLibraryDoc.getDocumentElement(), true);
|
---|
| 716 | Node finalDocXML = finalDoc.importNode(theXML.getDocumentElement(), true);
|
---|
| 717 | Element root = finalDoc.createElement("skinlibPlusXML");
|
---|
| 718 | root.appendChild(finalDocSkin);
|
---|
| 719 | root.appendChild(finalDocXML);
|
---|
| 720 | finalDoc.appendChild(root);
|
---|
| 721 | return (Node) finalDoc.getDocumentElement();
|
---|
| 722 | }
|
---|
| 723 | }
|
---|
| 724 | if (output.equals("oldskindoc"))
|
---|
| 725 | {
|
---|
| 726 | return converter.getDOM(getStringFromDocument(oldStyle_doc));
|
---|
| 727 | }
|
---|
| 728 |
|
---|
| 729 | // Try to get the system and public ID from the current skin xsl document
|
---|
| 730 | // otherwise keep the default values.
|
---|
| 731 | Element root = skinAndLibraryDoc.getDocumentElement();
|
---|
| 732 | NodeList nodes = root.getElementsByTagName("xsl:output");
|
---|
| 733 | // If there is at least one "xsl:output" command in the final xsl then...
|
---|
| 734 | if (nodes.getLength() != 0)
|
---|
| 735 | {
|
---|
| 736 | // There should be only one element called xsl:output,
|
---|
| 737 | // but if this is not the case get the last one
|
---|
| 738 | Element xsl_output = (Element) nodes.item(nodes.getLength() - 1);
|
---|
| 739 | if (xsl_output != null)
|
---|
| 740 | {
|
---|
| 741 | // Qualified name will always be html even for xhtml pages
|
---|
| 742 | //String attrValue = xsl_output.getAttribute("method");
|
---|
| 743 | //qualifiedName = attrValue.equals("") ? qualifiedName : attrValue;
|
---|
| 744 |
|
---|
| 745 | String attrValue = xsl_output.getAttribute("doctype-system");
|
---|
| 746 | systemID = attrValue.equals("") ? systemID : attrValue;
|
---|
| 747 |
|
---|
| 748 | attrValue = xsl_output.getAttribute("doctype-public");
|
---|
| 749 | publicID = attrValue.equals("") ? publicID : attrValue;
|
---|
| 750 | }
|
---|
| 751 | }
|
---|
| 752 |
|
---|
| 753 | //System.out.println(converter.getPrettyString(docWithDoctype));
|
---|
| 754 | //System.out.println("Doctype vals: " + qualifiedName + " " + publicID + " " + systemID) ;
|
---|
| 755 |
|
---|
| 756 | docWithDoctype = converter.newDOM(qualifiedName, publicID, systemID);
|
---|
| 757 |
|
---|
| 758 | //System.out.println("Generate final HTML from current skin") ;
|
---|
| 759 | //Transformation of the XML message from the receptionist to HTML with doctype
|
---|
[24884] | 760 |
|
---|
[24993] | 761 | if (inlineTemplate != null)
|
---|
[24884] | 762 | {
|
---|
| 763 | try
|
---|
| 764 | {
|
---|
| 765 | Document inlineTemplateDoc = this.converter.getDOM("<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n<xsl:stylesheet version=\"1.0\" xmlns:xsl=\"http://www.w3.org/1999/XSL/Transform\" xmlns:java=\"http://xml.apache.org/xslt/java\" xmlns:util=\"xalan://org.greenstone.gsdl3.util.XSLTUtil\" xmlns:gsf=\"http://www.greenstone.org/greenstone3/schema/ConfigFormat\">" + inlineTemplate + "</xsl:stylesheet>");
|
---|
| 766 | GSXSLT.mergeStylesheets(skinAndLibraryDoc, inlineTemplateDoc.getDocumentElement());
|
---|
| 767 | }
|
---|
[24993] | 768 | catch (Exception ex)
|
---|
[24884] | 769 | {
|
---|
| 770 | ex.printStackTrace();
|
---|
| 771 | }
|
---|
| 772 | }
|
---|
[24993] | 773 |
|
---|
[24884] | 774 | if (skinAndLibraryDoc.getElementsByTagName("gsf:metadata").getLength() > 0)
|
---|
[24703] | 775 | {
|
---|
[24993] | 776 | secondConfigFormatPass(collection, skinAndLibraryDoc, doc, new UserContext(request));
|
---|
[24703] | 777 | }
|
---|
[24884] | 778 |
|
---|
[24703] | 779 | if (output.equals("xmlfinal"))
|
---|
| 780 | {
|
---|
| 781 | return doc;
|
---|
| 782 | }
|
---|
[24884] | 783 |
|
---|
[24458] | 784 | return this.transformer.transform(skinAndLibraryDoc, doc, config_params, docWithDoctype); // The default
|
---|
| 785 |
|
---|
| 786 | // The line below will do the transformation like we use to do before having Skin++ implemented,
|
---|
| 787 | // it will not contain any GS-Lib statements expanded, and the result will not contain any doctype.
|
---|
| 788 |
|
---|
| 789 | //return (Element)this.transformer.transform(style_doc, doc, config_params);
|
---|
| 790 | //return null; // For now - change later
|
---|
| 791 | }
|
---|
[24884] | 792 |
|
---|
[24993] | 793 | protected void secondConfigFormatPass(String collection, Document skinAndLibraryDoc, Document doc, UserContext userContext)
|
---|
[24703] | 794 | {
|
---|
| 795 | String to = GSPath.appendLink(collection, "DocumentMetadataRetrieve"); // Hard-wired?
|
---|
| 796 | Element metaMessage = this.doc.createElement(GSXML.MESSAGE_ELEM);
|
---|
[24993] | 797 | Element metaRequest = GSXML.createBasicRequest(this.doc, GSXML.REQUEST_TYPE_PROCESS, to, userContext);
|
---|
[24703] | 798 | Element paramList = this.doc.createElement(GSXML.PARAM_ELEM + GSXML.LIST_MODIFIER);
|
---|
| 799 | Element docNodeList = this.doc.createElement(GSXML.DOC_NODE_ELEM + GSXML.LIST_MODIFIER);
|
---|
[24884] | 800 |
|
---|
[24703] | 801 | NodeList metaNodes = skinAndLibraryDoc.getElementsByTagName("gsf:metadata");
|
---|
[24458] | 802 |
|
---|
[24884] | 803 | for (int i = 0; i < metaNodes.getLength(); i++)
|
---|
[24703] | 804 | {
|
---|
| 805 | Element param = this.doc.createElement(GSXML.PARAM_ELEM);
|
---|
| 806 | param.setAttribute(GSXML.NAME_ATT, "metadata");
|
---|
[24884] | 807 | param.setAttribute(GSXML.VALUE_ATT, ((Element) metaNodes.item(i)).getAttribute(GSXML.NAME_ATT));
|
---|
[24703] | 808 | paramList.appendChild(param);
|
---|
| 809 | }
|
---|
| 810 | metaRequest.appendChild(paramList);
|
---|
[24884] | 811 |
|
---|
[24703] | 812 | NodeList docNodes = doc.getElementsByTagName("documentNode");
|
---|
[24884] | 813 | for (int i = 0; i < docNodes.getLength(); i++)
|
---|
[24703] | 814 | {
|
---|
| 815 | Element docNode = this.doc.createElement(GSXML.DOC_NODE_ELEM);
|
---|
[24884] | 816 | docNode.setAttribute(GSXML.NODE_ID_ATT, ((Element) docNodes.item(i)).getAttribute(GSXML.NODE_ID_ATT));
|
---|
| 817 | docNode.setAttribute(GSXML.NODE_TYPE_ATT, ((Element) docNodes.item(i)).getAttribute(GSXML.NODE_TYPE_ATT));
|
---|
[24703] | 818 | docNodeList.appendChild(docNode);
|
---|
| 819 | }
|
---|
| 820 | metaRequest.appendChild(docNodeList);
|
---|
| 821 |
|
---|
| 822 | metaMessage.appendChild(metaRequest);
|
---|
[24884] | 823 | Element response = (Element) mr.process(metaMessage);
|
---|
[24703] | 824 |
|
---|
| 825 | NodeList metaDocNodes = response.getElementsByTagName(GSXML.DOC_NODE_ELEM);
|
---|
[24884] | 826 | for (int i = 0; i < docNodes.getLength(); i++)
|
---|
[24703] | 827 | {
|
---|
| 828 | GSXML.mergeMetadataLists(docNodes.item(i), metaDocNodes.item(i));
|
---|
| 829 | }
|
---|
[24884] | 830 |
|
---|
[24703] | 831 | 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");
|
---|
| 832 | Document configStylesheet_doc = this.converter.getDOM(new File(configStylesheet_file));
|
---|
| 833 |
|
---|
| 834 | if (configStylesheet_doc != null)
|
---|
| 835 | {
|
---|
| 836 | Document format_doc = this.converter.newDOM();
|
---|
| 837 | format_doc.appendChild(format_doc.importNode(skinAndLibraryDoc.getDocumentElement().cloneNode(true), true));
|
---|
| 838 | Node result = this.transformer.transform(configStylesheet_doc, format_doc, config_params);
|
---|
[24884] | 839 | GSXSLT.mergeStylesheets(skinAndLibraryDoc, ((Document) result).getDocumentElement());
|
---|
[24703] | 840 | }
|
---|
| 841 | }
|
---|
| 842 |
|
---|
[24458] | 843 | // method to convert Document to a proper XML string for debug purposes only
|
---|
| 844 | protected String getStringFromDocument(Document doc)
|
---|
| 845 | {
|
---|
| 846 | String content = "";
|
---|
| 847 | try
|
---|
| 848 | {
|
---|
| 849 | DOMSource domSource = new DOMSource(doc);
|
---|
| 850 | StringWriter writer = new StringWriter();
|
---|
| 851 | StreamResult result = new StreamResult(writer);
|
---|
| 852 | TransformerFactory tf = TransformerFactory.newInstance();
|
---|
| 853 | Transformer transformer = tf.newTransformer();
|
---|
| 854 | transformer.transform(domSource, result);
|
---|
| 855 | content = writer.toString();
|
---|
[25423] | 856 | System.out.println("Change the & to &Amp; for proper debug display");
|
---|
[24458] | 857 | content = StringUtils.replace(content, "&", "&");
|
---|
| 858 | writer.flush();
|
---|
| 859 | }
|
---|
| 860 | catch (TransformerException ex)
|
---|
| 861 | {
|
---|
| 862 | ex.printStackTrace();
|
---|
| 863 | return null;
|
---|
| 864 | }
|
---|
| 865 | return content;
|
---|
| 866 | }
|
---|
| 867 |
|
---|
[24884] | 868 | protected synchronized Document getDoc(String docName) throws Exception
|
---|
[24458] | 869 | {
|
---|
[24884] | 870 | File xslt_file = new File(docName);
|
---|
[24458] | 871 |
|
---|
| 872 | FileReader reader = new FileReader(xslt_file);
|
---|
| 873 | InputSource xml_source = new InputSource(reader);
|
---|
| 874 | this.parser.parse(xml_source);
|
---|
| 875 | Document doc = this.parser.getDocument();
|
---|
| 876 |
|
---|
| 877 | return doc;
|
---|
| 878 | }
|
---|
| 879 |
|
---|
[24509] | 880 | protected Document getXSLTDocument(String action, String subaction, String collection)
|
---|
[24458] | 881 | {
|
---|
| 882 | String name = null;
|
---|
| 883 | if (!subaction.equals(""))
|
---|
| 884 | {
|
---|
| 885 | String key = action + ":" + subaction;
|
---|
[25635] | 886 | name = this.xslt_map.get(key);
|
---|
[24458] | 887 | }
|
---|
| 888 | // try the action by itself
|
---|
| 889 | if (name == null)
|
---|
| 890 | {
|
---|
[25635] | 891 | name = this.xslt_map.get(action);
|
---|
[24458] | 892 | }
|
---|
| 893 | // now find the absolute path
|
---|
[24509] | 894 | ArrayList<File> stylesheets = GSFile.getStylesheetFiles(GlobalProperties.getGSDL3Home(), (String) this.config_params.get(GSConstants.SITE_NAME), collection, (String) this.config_params.get(GSConstants.INTERFACE_NAME), base_interfaces, name);
|
---|
| 895 |
|
---|
| 896 | if (stylesheets.size() == 0)
|
---|
[24458] | 897 | {
|
---|
[24583] | 898 | logger.error(" Can't find stylesheet for " + name);
|
---|
| 899 | return null;
|
---|
[24458] | 900 | }
|
---|
[24509] | 901 | logger.debug("Stylesheet: " + name);
|
---|
[24884] | 902 |
|
---|
| 903 | Document finalDoc = this.converter.getDOM(stylesheets.get(stylesheets.size() - 1), "UTF-8");
|
---|
| 904 | if (finalDoc == null)
|
---|
[24509] | 905 | {
|
---|
| 906 | return null;
|
---|
| 907 | }
|
---|
[24884] | 908 |
|
---|
| 909 | for (int i = stylesheets.size() - 2; i >= 0; i--)
|
---|
[24509] | 910 | {
|
---|
| 911 | Document currentDoc = this.converter.getDOM(stylesheets.get(i), "UTF-8");
|
---|
[24884] | 912 | if (currentDoc == null)
|
---|
[24509] | 913 | {
|
---|
| 914 | return null;
|
---|
| 915 | }
|
---|
[24884] | 916 |
|
---|
[24509] | 917 | GSXSLT.mergeStylesheets(finalDoc, currentDoc.getDocumentElement());
|
---|
| 918 | }
|
---|
[24884] | 919 |
|
---|
[24509] | 920 | return finalDoc;
|
---|
[24458] | 921 | }
|
---|
| 922 |
|
---|
| 923 | // returns the library.xsl path of the library file that is applicable for the current interface
|
---|
| 924 | protected String getLibraryXSLFilename()
|
---|
| 925 | {
|
---|
| 926 | return GSFile.xmlTransformDir(GSFile.interfaceHome(GlobalProperties.getGSDL3Home(), (String) this.config_params.get(GSConstants.INTERFACE_NAME))) + File.separatorChar + "library.xsl";
|
---|
| 927 | }
|
---|
| 928 |
|
---|
| 929 | // Call this when a FileNotFoundException could be thrown when loading an xsl (xml) file.
|
---|
| 930 | // Returns an error xhtml page indicating which xsl (or other xml) file is missing.
|
---|
| 931 | protected Document fileNotFoundErrorPage(String filenameMessage)
|
---|
| 932 | {
|
---|
| 933 | String errorMessage = "ERROR missing file: " + filenameMessage;
|
---|
| 934 | Element errPage = XMLTransformer.constructErrorXHTMLPage(errorMessage);
|
---|
| 935 | logger.error(errorMessage);
|
---|
| 936 | return errPage.getOwnerDocument();
|
---|
| 937 | }
|
---|
[4258] | 938 | }
|
---|