/*******************************************************************************
* Copyright (c) 2001-2005 Sasa Markovic and Ciaran Treanor.
* Copyright (c) 2011 The OpenNMS Group, Inc.
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*******************************************************************************/
package org.jrobin.core.jrrd;
import java.io.IOException;
import org.jrobin.core.RrdException;
/**
* Show some of the things jRRD can do.
*
* @author <a href="mailto:ciaran@codeloop.com">Ciaran Treanor</a>
* @version $Revision$
*/
public class Main {
public Main(String rrdFile) {
RRDatabase rrd = null;
DataChunk chunk = null;
try {
rrd = new RRDatabase(rrdFile);
chunk = rrd.getData(ConsolidationFunctionType.AVERAGE);
} catch (Exception e) {
e.printStackTrace();
return;
}
try {
rrd.toXml(System.out);
} catch (RrdException e) {
e.printStackTrace();
return;
}
// Dump the database as XML.
rrd.printInfo(System.out); // Dump the database header information.
System.out.println(rrd); // Dump a summary of the contents of the database.
System.out.println(chunk); // Dump the chunk.
try {
rrd.close();
} catch (IOException e) {
e.printStackTrace();
}
}
static void usage(int status) {
System.err.println("Usage: " + Main.class.getName() + " rrdfile");
System.exit(status);
}
public static void main(String[] args) {
if (args.length != 1) {
usage(1);
}
new Main(args[0]);
}
}