source: trunk/EventBenchConsole/src/de/ugoe/cs/eventbench/web/commands/CMDloadWebSequences.java

package de.ugoe.cs.eventbench.web.commands;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.security.InvalidParameterException;
import java.text.ParseException;
import java.util.Collection;
import java.util.List;

import de.ugoe.cs.eventbench.CommandHelpers;
import de.ugoe.cs.eventbench.data.GlobalDataContainer;
import de.ugoe.cs.eventbench.web.WeblogParser;
import de.ugoe.cs.eventbench.web.data.WebEvent;
import de.ugoe.cs.util.console.Command;
import de.ugoe.cs.util.console.Console;

/**
 * <p>
 * Command to load sessions from a web log.
 * </p>
 * 
 * @author Steffen Herbold
 * @version 1.0
 */
public class CMDloadWebSequences implements Command {

        /*
         * (non-Javadoc)
         * 
         * @see de.ugoe.cs.util.console.Command#run(java.util.List)
         */
        @Override
        public void run(List<Object> parameters) {
                if (parameters.size() < 1) {
                        throw new InvalidParameterException();
                }
                String source;
                String sequencesName;
                String serverUrl = null;
                int timeout = -1;
                int minLength = -1;
                int maxLength = -1;
                boolean generateFrequentUsers = false;
                int frequentUserThreshold = 20;
                try {
                        source = (String) parameters.get(0);
                        sequencesName = (String) parameters.get(1);
                        if (parameters.size() >= 3) {
                                serverUrl = (String) parameters.get(2);
                        }
                        if (parameters.size() >= 6) {
                                timeout = Integer.parseInt((String) parameters.get(3));
                                minLength = Integer.parseInt((String) parameters.get(4));
                                maxLength = Integer.parseInt((String) parameters.get(5));
                        }
                        if (parameters.size() >= 8) {
                                generateFrequentUsers = Boolean
                                                .parseBoolean((String) parameters.get(6));
                                frequentUserThreshold = Integer.parseInt((String) parameters
                                                .get(7));
                        }
                } catch (Exception e) {
                        throw new InvalidParameterException();
                }

                WeblogParser parser = new WeblogParser();
                if (serverUrl != null) {
                        parser.setUrl(serverUrl);
                }
                if (timeout != -1) {
                        parser.setTimeout(timeout);
                        parser.setMinLength(minLength);
                        parser.setMaxLength(maxLength);
                }
                if (generateFrequentUsers) {
                        parser.setFrequentUserThreshold(frequentUserThreshold);
                }
                try {
                        parser.parseFile(source);
                } catch (FileNotFoundException e) {
                        Console.printerrln(e.getMessage());
                } catch (IOException e) {
                        Console.printerrln(e.getMessage());
                } catch (ParseException e) {
                        Console.printerrln("Invalid format of date stamps.");
                        Console.printerrln(e.getMessage());
                }

                if (GlobalDataContainer.getInstance().addData(sequencesName,
                                parser.getSequences())) {
                        CommandHelpers.dataOverwritten(sequencesName);
                }
                if (generateFrequentUsers) {
                        List<String> frequentUserIDs = parser.getFrequentUsers();
                        List<Collection<List<WebEvent>>> frequentUserSessions = parser
                                        .getFrequentUserSequences();
                        for (int i = 0; i < frequentUserIDs.size(); i++) {
                                String seqName = sequencesName + "_" + frequentUserIDs.get(i);
                                if (GlobalDataContainer.getInstance().addData(seqName,
                                                frequentUserSessions.get(i))) {
                                        CommandHelpers.dataOverwritten(seqName);
                                }
                        }
                }
        }

        /*
         * (non-Javadoc)
         * 
         * @see de.ugoe.cs.util.console.Command#help()
         */
        @Override
        public void help() {
                Console.println("Usage: loadWebSequences <filename> <sequencesName> {<serverUrl>} {<timeout> <minSessionLength> <maxSessionLength>} {<generateFrequentUsers> <frequentUserThreshold>}");
        }

}