/**
* Copyright (C) 2007, Laboratorio di Valutazione delle Prestazioni - Politecnico di Milano
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package jmt.engine.jwat.input;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import jmt.engine.jwat.JwatSession;
import jmt.engine.jwat.ProgressStatusListener;
import jmt.engine.jwat.workloadAnalysis.utils.FormatFileReader;
import jmt.gui.jwat.JWATConstants;
public class Loader implements JWATConstants {
public static int calcNumOfObs(String filePath) throws FileNotFoundException, IOException {
int numObs = 0;
BufferedReader reader;
reader = new BufferedReader(new FileReader(filePath));
while (reader.readLine() != null) {
numObs++;
}
return numObs;
}
public static void readData(String filePath, Parameter param, ProgressShow prShow, ProgressStatusListener pStatusList) {
InputLoader loads = null;
VariableMapping[] map;
//Initializating the object necessary to load data.
map = new VariableMapping[param.getNumVar()];
int[] varType = param.getVarType();
//Creo i Mapping
for (int i = 0; i < map.length; i++) {
switch (varType[i]) {
case Parameter.NUMBER:
map[i] = null;
break;
case Parameter.DATE:
map[i] = new DataMapping();
break;
case Parameter.STRING:
map[i] = new StringMapping();
//map[i]=new positionalMapping();
break;
}
}
try {
switch (param.getSampleMethod()) {
case Parameter.ALL_INPUT:
loads = new AllInputLoader(param, filePath, map, prShow);
break;
case Parameter.INTERVAL_INPUT:
loads = new IntervalInputLoader(param, filePath, map, prShow);
break;
case Parameter.RANDOM_INPUT:
loads = new RndInputLoader(param, filePath, map, prShow);
break;
}
} catch (FileNotFoundException e) {
pStatusList.statusEvent(new EventFinishAbort("Loading aborted. File not found."));
}
loads.addStatusListener(pStatusList);
loads.start();
}
public static Parameter loadParameter(File demoPath, String demoName) throws FileNotFoundException, IOException {
FormatFileReader form = new FormatFileReader(new File(demoPath, demoName + "Format.jwatformat").getAbsolutePath());
//FormatFileReader form = new FormatFileReader("D:/" + demoName + "Format.jwatformat");
//System.out.println(absolutePath + "examples/" + demoName + "Format.jwatformat");
boolean[] varSelected = new boolean[form.getNumVars()];
String[] varName = new String[form.getNumVars()];
String[] regularExp = new String[form.getNumVars()];
String[] tokenExp = new String[form.getNumVars()];
int[] varType = new int[form.getNumVars()];
int options[] = new int[] { Loader.calcNumOfObs(new File(demoPath, demoName + "Data.jwat").getAbsolutePath()) };
//int options[] = new int[] { Loader.calcNumOfObs("D:/" + demoName + "Data.jwat") };
for (int i = 0; i < form.getNumVars(); i++) {
varSelected[i] = true;
varType[i] = form.getType();
varName[i] = form.getName();
regularExp[i] = form.getRegExpr();
tokenExp[i] = form.getDelimiters();
if (tokenExp[i].length() == 0) {
tokenExp[i] = null;
}
form.next();
}
return new Parameter(varSelected, varType, regularExp, tokenExp, varName, Parameter.ALL_INPUT, null, options, null, null);
}
/**
* This function reads a specific session from an XML file
*
* @param filePath
*/
public static void loadSession(String fileName, ProgressShow prShow, ProgressStatusListener pStatusList, JwatSession session) {
try {
SessionLoader sLoader = new SessionLoader(fileName, prShow);
sLoader.addStatusListener(pStatusList);
sLoader.start();
} catch (FileNotFoundException e) {
pStatusList.statusEvent(new EventFinishAbort("Loading aborted. File not found."));
} catch (IOException e) {
pStatusList.statusEvent(new EventFinishAbort("Loading aborted. File not found."));
}
}
}