| Main.java |
/*****************************************************************************
* Source code information
* -----------------------
* Original author Ian Dickinson, HP Labs Bristol
* Author email [email protected]
* Package Jena 2
* Web http://jena.sourceforge.net
* Created 22-Aug-2003
* Filename $RCSfile: Main.java.html,v $
* Revision $Revision: 1.5 $
* Release status $State: Exp $
*
* Last modified on $Date: 2007/01/17 10:44:23 $
* by $Author: andy_seaborne $
*
* (c) Copyright 2002, 2003, 2004, 2005, 2006, 2007 Hewlett-Packard Development Company, LP
* (see footer for full conditions)
*****************************************************************************/
// Package
///////////////
package jena.examples.ontology.persistentOntology;
// Imports
///////////////
import com.hp.hpl.jena.ontology.*;
import com.hp.hpl.jena.rdf.model.ModelMaker;
/**
* <p>
* Simple execution wrapper for persistent ontology example.
* </p>
* <p>
* Usage:
* <pre>
* java jena.examples.ontology.persistentOntology.Main
* [--dbUser string] e.g: --dbUser ijd
* [--dbURL string] e.g: --dbURL jdbc:postgresql://localhost/jenatest
* [--dbPw string] e.g: --dbPw nosecrets
* [--dbType string] e.g: --dbType PostgreSQL
* [--dbDriver string] e.g: --dbDriver org.postgresql.Driver
* [--reload] if true will reload the source data
* [sourceURL] optional source URL for the data to persist
* </pre>
* If no db parameters or source URL is given, defaults will be used.
* </p>
*
* @author Ian Dickinson, HP Labs
* (<a href="mailto:[email protected]" >email</a>)
* @version CVS $Id: Main.java.html,v 1.5 2007/01/17 10:44:23 andy_seaborne Exp $
*/
public class Main {
// Constants
//////////////////////////////////
public static final String ONT1 = "urn:x-hp-jena:test1";
public static final String ONT2 = "urn:x-hp-jena:test2";
public static final String DB_URL = "jdbc:postgresql://localhost/jenatest";
public static final String DB_USER = "ijd";
public static final String DB_PASSWD = "";
public static final String DB = "PostgreSQL";
public static final String DB_DRIVER = "org.postgresql.Driver";
// Static variables
//////////////////////////////////
// database connection parameters, with defaults
private static String s_dbURL = DB_URL;
private static String s_dbUser = DB_USER;
private static String s_dbPw = DB_PASSWD;
private static String s_dbType = DB;
private static String s_dbDriver = DB_DRIVER;
// if true, reload the data
private static boolean s_reload = false;
// source URL to load data from; if null, use default
private static String s_source;
// Instance variables
//////////////////////////////////
// Constructors
//////////////////////////////////
// External signature methods
//////////////////////////////////
public static void main( String[] args ) {
processArgs( args );
// check for default sources
if (s_source == null) {
s_source = getDefaultSource();
}
// create the helper class we use to handle the persistent ontologies
PersistentOntology po = new PersistentOntology();
// ensure the JDBC driver class is loaded
try {
Class.forName( s_dbDriver );
}
catch (Exception e) {
System.err.println( "Failed to load the driver for the database: " + e.getMessage() );
System.err.println( "Have you got the CLASSPATH set correctly?" );
}
// are we re-loading the data this time?
if (s_reload) {
// we pass cleanDB=true to clear out existing models
// NOTE: this will remove ALL Jena models from the named persistent store, so
// use with care if you have existing data stored
ModelMaker maker = po.getRDBMaker( s_dbURL, s_dbUser, s_dbPw, s_dbType, true );
// now load the source data into the newly cleaned db
po.loadDB( maker, s_source );
}
// now we list the classes in the database, to show that the persistence worked
ModelMaker maker = po.getRDBMaker( s_dbURL, s_dbUser, s_dbPw, s_dbType, false );
po.listClasses( maker, s_source );
}
// Internal implementation methods
//////////////////////////////////
/**
* Process any command line arguments
*/
private static void processArgs( String[] args ) {
int i = 0;
while (i < args.length) {
String arg = args[i++];
if (arg.equals( "--dbUser" )) {s_dbURL = args[i++];}
else if (arg.equals( "--dbURL" )) {s_dbURL = args[i++];}
else if (arg.equals( "--dbPasswd" )) {s_dbPw = args[i++];}
else if (arg.equals( "--dbType" )) {s_dbType = args[i++];}
else if (arg.equals( "--reload" )) {s_reload = true;}
else if (arg.equals( "--dbDriver" )) {s_dbDriver = args[i++];}
else {
// assume this is a URL to load data from
s_source = arg;
}
}
}
/**
* Answer the default source document, and set up the document manager
* so that we can find it on the file system
*
* @return The URI of the default source document
*/
private static String getDefaultSource() {
// use the ont doc mgr to map from a generic URN to a local source file
OntDocumentManager.getInstance().addAltEntry( ONT1, "file:src-examples/data/test1.owl" );
OntDocumentManager.getInstance().addAltEntry( ONT2, "file:src-examples/data/test2.owl" );
return ONT1;
}
//==============================================================================
// Inner class definitions
//==============================================================================
}
/*
(c) Copyright 2002, 2003, 2004, 2005, 2006, 2007 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.
*/