content: // This file is part of AceWiki.
  // Copyright 2008-2013, AceWiki developers.
  // 
  // AceWiki 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 3 of
  // the License, or (at your option) any later version.
  // 
  // AceWiki 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 AceWiki. If
  // not, see http://www.gnu.org/licenses/.
  
  package ch.uzh.ifi.attempto.acewiki.core;
  
  import java.io.IOException;
  import java.util.List;
  
  /**
   * This exporter generates a table of the wiki statements in CSV (comma separated values) format.
   * 
   * @author Tobias Kuhn
   */
  public class StatementTableExporter extends OntologyExporter {
  	
  	/**
  	 * Creates a statement table exporter.
  	 */
  	public StatementTableExporter() {
  	}
  	
  	protected void writeContent(String language) throws IOException {
  		write("PAGE,TYPE,TEXT\n");
  		List<OntologyElement> elements = getOntologyElements();
  		LanguageUtils.sortOntologyElements(elements);
  		for (OntologyElement oe : elements) {
  			for (Statement s : oe.getArticle().getStatements()) {
  				write(LanguageUtils.getHeading(oe) + ",");
  				write(getStatementType(s) + ",");
  				write("\"" + s.getText(language).replaceAll("\"", "\"\"").replaceAll("\\s+", " ") + "\"");
  				write("\n");
  			}
  		}
  	}
  	
  	public boolean isApplicable() {
  		return true;
  	}
  	
  	public String getName() {
  		return "acewiki_export_statementfile";
  	}
  	
  	public String getFileSuffix() {
  		return "-st.csv";
  	}
  	
  	public String getContentType() {
  		return "text/plain";
  	}
  	
  	private static String getStatementType(Statement statement) {
  		if (statement instanceof Comment) {
  			return "comment";
  		} else if (statement instanceof Question) {
  			return "question";
  		} else if (statement instanceof Declaration) {
  			Declaration declaration = (Declaration) statement;
  			if (declaration.getArticle() == null) {
  				return "inferred";
  			} else if (declaration.isIntegrated()) {
  				return "asserted";
  			} else {
  				return "unasserted";
  			}
  		} else {
  			throw new RuntimeException("Unknown statement class");
  		}
  	}
  
  }
  