/* ============================================================
* JRobin : Pure java implementation of RRDTool's functionality
* ============================================================
*
* Project Info: http://www.jrobin.org
* Project Lead: Sasa Markovic (saxon@jrobin.org);
*
* (C) Copyright 2003-2005, by Sasa Markovic.
*
* Developers: Sasa Markovic (saxon@jrobin.org)
*
*
* 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., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*/
package org.jrobin.cmd;
import org.jrobin.core.RrdDb;
import org.jrobin.core.RrdDbPool;
import org.jrobin.core.RrdDef;
import org.jrobin.core.RrdException;
import java.io.IOException;
abstract class RrdToolCmd {
private RrdCmdScanner cmdScanner;
abstract String getCmdType();
abstract Object execute() throws RrdException, IOException;
Object executeCommand(String command) throws RrdException, IOException {
cmdScanner = new RrdCmdScanner(command);
return execute();
}
String getOptionValue(String shortForm, String longForm) throws RrdException {
return cmdScanner.getOptionValue(shortForm, longForm);
}
String getOptionValue(String shortForm, String longForm, String defaultValue) throws RrdException {
return cmdScanner.getOptionValue(shortForm, longForm, defaultValue);
}
String[] getMultipleOptionValues(String shortForm, String longForm) throws RrdException {
return cmdScanner.getMultipleOptions(shortForm, longForm);
}
boolean getBooleanOption(String shortForm, String longForm) {
return cmdScanner.getBooleanOption(shortForm, longForm);
}
String[] getRemainingWords() {
return cmdScanner.getRemainingWords();
}
static boolean rrdDbPoolUsed = true;
static boolean standardOutUsed = true;
static boolean isRrdDbPoolUsed() {
return rrdDbPoolUsed;
}
static void setRrdDbPoolUsed(boolean rrdDbPoolUsed) {
RrdToolCmd.rrdDbPoolUsed = rrdDbPoolUsed;
}
static boolean isStandardOutUsed() {
return standardOutUsed;
}
static void setStandardOutUsed(boolean standardOutUsed) {
RrdToolCmd.standardOutUsed = standardOutUsed;
}
static long parseLong(String value) throws RrdException {
try {
return Long.parseLong(value);
}
catch (NumberFormatException nfe) {
throw new RrdException(nfe);
}
}
static int parseInt(String value) throws RrdException {
try {
return Integer.parseInt(value);
}
catch (NumberFormatException nfe) {
throw new RrdException(nfe);
}
}
static double parseDouble(String value) throws RrdException {
if (value.equals("U")) {
return Double.NaN;
}
try {
return Double.parseDouble(value);
}
catch (NumberFormatException nfe) {
throw new RrdException(nfe);
}
}
static void print(String s) {
if (standardOutUsed) {
System.out.print(s);
}
}
static void println(String s) {
if (standardOutUsed) {
System.out.println(s);
}
}
static RrdDb getRrdDbReference(String path) throws IOException, RrdException {
if (rrdDbPoolUsed) {
return RrdDbPool.getInstance().requestRrdDb(path);
}
else {
return new RrdDb(path);
}
}
static RrdDb getRrdDbReference(String path, String xmlPath) throws IOException, RrdException {
if (rrdDbPoolUsed) {
return RrdDbPool.getInstance().requestRrdDb(path, xmlPath);
}
else {
return new RrdDb(path, xmlPath);
}
}
static RrdDb getRrdDbReference(RrdDef rrdDef) throws IOException, RrdException {
if (rrdDbPoolUsed) {
return RrdDbPool.getInstance().requestRrdDb(rrdDef);
}
else {
return new RrdDb(rrdDef);
}
}
static void releaseRrdDbReference(RrdDb rrdDb) throws IOException, RrdException {
if (rrdDbPoolUsed) {
RrdDbPool.getInstance().release(rrdDb);
}
else {
rrdDb.close();
}
}
}