TurtleParser.java

/*
 * Scute
 * 
 * Homepage: http://hyperdata.org/scute
 * 
 * License : http://www.apache.org/licenses/LICENSE-2.0
 * See also license.txt or http://hyperdata.org/wiki/Scute:License
 * 
 * Danny Ayers 2011
 */
package org.hyperdata.scute.validate;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.io.Reader;
import java.io.StringReader;

import com.hp.hpl.jena.n3.turtle.Turtle2NTriples;
import com.hp.hpl.jena.n3.turtle.TurtleParseException;
import com.hp.hpl.jena.n3.turtle.parser.ParseException;
import com.hp.hpl.jena.n3.turtle.parser.TokenMgrError;
// import com.hp.hpl.jena.n3.turtle.parser.TurtleParser;
import com.hp.hpl.jena.shared.JenaException;
import com.hp.hpl.jena.util.FileUtils;

/**
 * The Class TurtleParser.
 */
public class TurtleParser {
	
	/**
	 * Run the Turtle parser - produce N-triples.
	 *
	 * @param args the arguments
	 */
	public static void main(String[] args) {
		if (args.length == 0) {
			parse("http://example/BASE", System.in);
			return;
		}

		for (int i = 0; i < args.length; i++) {
			String fn = args[i];
			parse("http://base/", fn);
		}
	}

	/**
	 * Parses the.
	 *
	 * @param baseURI the base uri
	 * @param filename the filename
	 */
	public static void parse(String baseURI, String filename) {
		InputStream in = null;
		try {
			in = new FileInputStream(filename);
		} catch (FileNotFoundException ex) {
			System.err.println("File not found: " + filename);
			return;
		}
		parse(baseURI, in);
	}

	/**
	 * Parses the.
	 *
	 * @param baseURI the base uri
	 * @param in the in
	 */
	public static void parse(String baseURI, InputStream in) {
		Reader reader = FileUtils.asUTF8(in);
		try {
			com.hp.hpl.jena.n3.turtle.parser.TurtleParser parser = new com.hp.hpl.jena.n3.turtle.parser.TurtleParser(reader);
			// parser.setEventHandler(new TurtleEventDump()) ;
			parser.setEventHandler(new Turtle2NTriples(System.out));
			parser.setBaseURI(baseURI);
			parser.parse();
		} catch (ParseException ex) {
			throw new TurtleParseException(ex.getMessage());
		} catch (TokenMgrError tErr) {
			throw new TurtleParseException(tErr.getMessage());
		}

		catch (TurtleParseException ex) {
			throw ex;
		}

		catch (JenaException ex) {
			throw new TurtleParseException(ex.getMessage(), ex);
		} catch (Error err) {
			throw new TurtleParseException(err.getMessage(), err);
		} catch (Throwable th) {
			throw new TurtleParseException(th.getMessage(), th);
		}
	}
	
	/**
	 * Parses the string.
	 *
	 * @param baseURI the base uri
	 * @param in the in
	 * @return true, if successful
	 * @throws TurtleParseException the turtle parse exception
	 */
	public static boolean parseString(String baseURI, String in) throws TurtleParseException {
		Reader reader = new StringReader(in);
			// FileUtils.asUTF8(in);
		try {
			com.hp.hpl.jena.n3.turtle.parser.TurtleParser parser = new com.hp.hpl.jena.n3.turtle.parser.TurtleParser(reader);
			// parser.setEventHandler(new TurtleEventDump()) ;
			parser.setEventHandler(new Turtle2NTriples(System.out));
			parser.setBaseURI(baseURI);
			parser.parse();
		} catch (ParseException ex) {
			throw new TurtleParseException(ex.getMessage());
		} catch (TokenMgrError tErr) {
			throw new TurtleParseException(tErr.getMessage());
		}
		catch (TurtleParseException ex) {
			throw ex;
		}
		catch (JenaException ex) {
			throw new TurtleParseException(ex.getMessage(), ex);
		} catch (Error err) {
			throw new TurtleParseException(err.getMessage(), err);
		} catch (Throwable th) {
			throw new TurtleParseException(th.getMessage(), th);
		}
		return true;
	}
}

/*
 * (c) Copyright 2006, 2007, 2008, 2009 Hewlett-Packard Development Company, LP
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer. 2. Redistributions in
 * binary form must reproduce the above copyright notice, this list of
 * conditions and the following disclaimer in the documentation and/or other
 * materials provided with the distribution. 3. The name of the author may not
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */