Logo Search packages:      
Sourcecode: cdk version File versions  Download package

BibTeXMLEntry.java
/* $Revision: 6707 $ $Author: egonw $ $Date: 2006-07-30 16:38:18 -0400 (Sun, 30 Jul 2006) $
 * 
 * Copyright (C) 2007  Egon Willighagen <egonw@users.sf.net>
 * 
 * Contact: cdk-devel@lists.sourceforge.net
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1
 * of the License, or (at your option) any later version.
 * All we ask is that proper credit is given for our work, which includes
 * - but is not limited to - adding the above copyright notice to the beginning
 * of your source code files, and to any copyright notice that you may distribute
 * with programs based on this work.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 */
package net.sf.cdk.tools.bibtex;

import nu.xom.Element;
import nu.xom.Node;
import nu.xom.Nodes;
import nu.xom.XPathContext;

/**
 * This is a tool that creates HTML for a subset of the entry types
 * defined in BibTeXML. It expects the document to be valid according to
 * the BibTeXML schema, or will fail horribly.
 * 
 * @author egonw
 */
00039 public class BibTeXMLEntry {

      private Node entry;
      private XPathContext context;
      
      public BibTeXMLEntry(Node entry) {
            this.entry = entry;
            context = new XPathContext("bibtex", BibTeXMLFile.BIBTEXML_NAMESPACE);
            context.addNamespace("b", BibTeXMLFile.BIBTEXML_NAMESPACE);       
      }
      
      /**
       * The style is undefined and just made to look nice.
       */
00053       public String toHTML() {
            // b:article
            Nodes results = entry.query("./b:article", context);
            for (int i=0; i<results.size(); i++) {
                  Element article = (Element)results.get(i);
                  // the obligatory fields
                  return formatArticle(
                        getString(article, "author", "?Authors?"),
                        getString(article, "title", "?Title?"),
                        getString(article, "journal", "?Journal?"),
                        getString(article, "year", "19??"),
                        getString(article, "volume", "?"),
                        getString(article, "pages", "?-?")
                  );
            }
            // b:article
            results = entry.query("./b:misc", context);
            for (int i=0; i<results.size(); i++) {
                  Element misc = (Element)results.get(i);
                  // the obligatory fields
                  return formatMisc(
                        getString(misc, "author", "?Authors?"),
                        getString(misc, "title", "?Title?")
                  );
            }
            return "Unknown BibTeXML type: " + ((Element)entry).getAttributeValue("id");
      }

      protected String formatArticle(String authors, String title, String journal, String year, String volume, String pages) {
            StringBuffer buffer = new StringBuffer();
            buffer.append(authors).append(", <i>").append(title).append("</i>, ");
            buffer.append(journal).append(", <b>").append(year).append("</b>, ");
            buffer.append(volume).append(":").append(pages);
            return buffer.toString();
      }
      
      protected String formatMisc(String authors, String title) {
            StringBuffer buffer = new StringBuffer();
            buffer.append(authors).append(", <i>").append(title).append("</i>");
            return buffer.toString();
      }
      
      /**
       * @param node         Parent for the child.
       * @param childElement Localname of the child element.
       * @param def          String to default to if no child element is found.
       * @return             String value for the child node.
       */
00101       private String getString(Node node, String childElement, String def) {
            Nodes result = node.query("./b:" + childElement, context);
            return result.size() > 0 ? ((Element)result.get(0)).getValue() : def;
      }
      
}

Generated by  Doxygen 1.6.0   Back to index