SchemaSimplifier.java

package org.bimserver.ifc;

/******************************************************************************
 * Copyright (C) 2009-2014  BIMserver.org
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 * 
 * 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 Affero General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *****************************************************************************/

import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintStream;
import java.util.Scanner;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/*
 * Somehow at least JAXB thinks the IFC-XML XSD is not valid because elements have the same 
 * names as the simple and complex types, this code was used to try and fix that
 */
public class SchemaSimplifier {
	private static final Logger LOGGER = LoggerFactory.getLogger(SchemaSimplifier.class);
	
	public static void main(String[] args) {
		new SchemaSimplifier().start();
	}

	private void start() {
		File inFile = new File("ifcxml/IFC2X3.xsd");
		File outFile = new File("ifcxml/IFC2X3_simplified.xsd");
		PrintStream out;
		try {
			out = new PrintStream(outFile);
			Scanner scanner = new Scanner(inFile);
			while (scanner.hasNextLine()) {
				String line = scanner.nextLine();
				if (line.contains("<xs:element")) {
					if (line.contains("name=")) {
						int indexName = line.indexOf("name=") + 6;
						int endIndex = line.indexOf("\"", indexName + 1);
						String newName = line.substring(indexName, endIndex) + "Type";
						line = line.substring(0, indexName) + newName + line.substring(endIndex);
					}
					if (line.contains("ref=")) {
						int indexName = line.indexOf("ref=") + 5;
						int endIndex = line.indexOf("\"", indexName + 1);
						String newName = line.substring(indexName, endIndex) + "Type";
						if (!newName.contains("ex:")) {
							line = line.substring(0, indexName) + newName + line.substring(endIndex);
						}
					}
					if (line.contains("substitutionGroup=")) {
						int indexName = line.indexOf("substitutionGroup=") + 19;
						int endIndex = line.indexOf("\"", indexName + 1);
						String newName = line.substring(indexName, endIndex) + "Type";
						if (!newName.contains("ex:")) {
							line = line.substring(0, indexName) + newName + line.substring(endIndex);
						}
					}
				}
				out.println(line);
			}
			scanner.close();
			out.close();
		} catch (FileNotFoundException e) {
			LOGGER.error("", e);
		}
	}
}