strawmantoms10.java

好东西啊！你看看就知道了

package edu.stanford.db.rdf.examples;

import org.w3c.rdf.model.*;
import org.w3c.rdf.util.*;
import org.w3c.rdf.implementation.model.ModelImpl;
import org.w3c.rdf.implementation.syntax.sirpac.SiRS;
import edu.stanford.db.rdf.syntax.strawman.StrawmanParser;
import org.xml.sax.SAXException;

/**
 * A simple demo program that parses RDF in the strawman syntax at a given URL,
 * serializes it back into RDF/XML, and dumps the triples.
 *
 * <p>Try <code>java org.w3c.rdf.examples.StrawmanToMS10 http://www-db.stanford.edu/~melnik/rdf/examples/data.xml</code>
 */

public class StrawmanToMS10 {

  static void bailOut() {
    System.err.println("Usage: StrawmanToMS10 [-d] <URL | file name>\n" +
                       "Option -d turns on digest generation for unnamed resources.\n" + 
		       "Use JVM option -Dorg.xml.sax.parser=<classname> to replace default XML parser.");
    System.exit(1);
  }

  public static void main (String args[]) throws Exception {

    boolean useDigests = false;
    String fileOrURI = null;

    for(int i = 0; i < args.length; i++) {
      String a = args[i];
      if(a.startsWith("-d"))
        useDigests = true;
      else {
        fileOrURI = a;
        if(i+1 < args.length)
          bailOut();
      }
    }
    if(fileOrURI == null)
      bailOut();

    Model m = new ModelImpl();

    try {
      RDFUtil.parse(fileOrURI, new StrawmanParser(useDigests, true), m);
    } catch (SAXException se) {
      System.err.println("Exception during parsing: " + se.getMessage());
      throw se.getException();
    }

    System.err.println("\nSERIALIZED MODEL:\n");
    RDFUtil.dumpModel(m, System.out, new SiRS());

    System.err.println("\nTRIPLES:\n");
    RDFUtil.printStatements(m, System.out);

    System.err.println("\nModel " + m.getURI() + " of size " + m.size() + "\n");

  }
}