source: trunk/EventBenchConsole/src/de/ugoe/cs/eventbench/ReplayGenerator.java @ 134

package de.ugoe.cs.eventbench;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.util.List;

import de.ugoe.cs.eventbench.data.IReplayable;
import de.ugoe.cs.eventbench.data.ReplayableEvent;
import de.ugoe.cs.util.StringTools;
import de.ugoe.cs.util.console.Console;

public class ReplayGenerator {
        
        private IReplayDecorator decorator = null;
        
        int sessionId = 1;
        
        public void createLogfileMultipleSessions(List<List<ReplayableEvent<?>>> sequences, String filename) {
                OutputStreamWriter writer = openReplayFile(filename);
                if( writer!=null ) {            
                        try {
                                decorator = sequences.get(0).get(0).getReplayDecorator();
                                if( decorator!=null ) {
                                        writer.write(decorator.getHeader());
                                }
                                for( List<ReplayableEvent<?>> actions : sequences ) {
                                        writeSession(actions, writer);
                                }
                                if( decorator!=null ) {
                                        writer.write(decorator.getFooter());
                                }
                                decorator = null;
                                writer.close();
                        } catch (IOException e) {
                                Console.printerrln("Unable to write replay file " + filename);
                        }
                }
        }
        
        public void createLogfileSingleSession(List<ReplayableEvent<?>> actions, String filename) {
                OutputStreamWriter writer = openReplayFile(filename);
                if( writer!=null ) {            
                        try {
                                actions.get(0).getReplayDecorator();
                                if( decorator!=null ) {
                                        writer.write(decorator.getHeader());
                                }
                                writeSession(actions, writer);
                                if( decorator!=null ) {
                                        writer.write(decorator.getFooter());
                                }
                                decorator = null;
                                writer.close();
                        } catch (IOException e) {
                                Console.printerrln("Unable to write replay file " + filename);
                        }
                }
        }

        private OutputStreamWriter openReplayFile(String filename) {
                File file = new File(filename);
                boolean fileCreated;
                try {
                        fileCreated = file.createNewFile();
                        if( !fileCreated ) {
                                Console.traceln("Created logfile " + filename);
                        } else {
                                Console.traceln("Overwrote existing logfile " + filename);
                        }
                } catch (IOException e) {
                        Console.printerrln("Unable to create file " + filename);
                        Console.printStacktrace(e);
                }
                OutputStreamWriter writer = null;
                try {
                        writer = new OutputStreamWriter(new FileOutputStream(file), "UTF-16");
                } catch (IOException e) {
                        Console.printerrln("Unable to open file for writing (read-only file):" + filename);
                        Console.printStacktrace(e);
                }
                return writer;
        }
        
        private void writeSession(List<ReplayableEvent<?>> actions, OutputStreamWriter writer)
                        throws IOException {
                if( decorator!=null ) {
                        writer.write(decorator.getSessionHeader(sessionId));
                }
                for( ReplayableEvent<?> currentAction : actions ) {
                        
                        List<? extends IReplayable> replayables = currentAction.getReplayMessages();
                        for( IReplayable replayble : replayables ) {
                                writer.write(replayble.getReplay()+StringTools.ENDLINE);
                                writer.flush();
                        }
                }
                if( decorator!=null ) {
                        writer.write(decorator.getSessionFooter(sessionId));
                }
                sessionId++;
        }

}