/**
* fileReader builds a scene from a file
*
* @return sceneOfInput
* @throws IOException
*/
public static Scene fileReader() throws IOException {
long startTime = System.currentTimeMillis();
// FileReader fr = new FileReader("file/LogManager-short.dat");
FileReader fr = new FileReader("file/LogManager-live-tool-2.dat");
// FileReader fr = new FileReader("file/LogManager-example.dat");
// FileReader fr = new FileReader("file/LogManager-long.dat");
BufferedReader br = new BufferedReader(fr);
String line = "";
List<Tick> tmpTickList = new ArrayList<Tick>();
/*
* Read file, split lines into Type and Timestamp, generate Ticks
*/
while ((line = br.readLine()) != null) {
String[] parts = line.split(";", -1);
int tmpTimestamp = Integer.parseInt(parts[0]);
Tick tmpTick = new Tick(tmpTimestamp, parts[1], parts[2]);
tmpTickList.add(tmpTick);
}
br.close();
/*
* filtering out special hashmarks and adding their content to mark before
*/
int lastHashMark = 0;
for (int i = 0; i < tmpTickList.size(); i++) {
Tick currentTick = tmpTickList.get(i);
if (currentTick.getType().compareTo("########") == 0) {
lastHashMark = i;
} else if (currentTick.getType().compareTo("#+#+#+#+") == 0) {
if (lastHashMark == 0) { // if first mark is special hash
tmpTickList.remove(i); // remove it
} else {
tmpTickList.remove(lastHashMark); // otherwise remove last normal hash
currentTick.setType("########"); // and convert special to normal hash
// thus adding special object to normal
lastHashMark = i - 1; // set new hashmark
}
}
}
List<Sequence> sequenceList = structureCreator(tmpTickList);
Sequence[] sequenceArray = new Sequence[sequenceList.size()];
sequenceArray = sequenceList.toArray(sequenceArray);
Scene sceneFromInput = new Scene(sequenceArray);
System.out.println((System.currentTimeMillis() - startTime) + " milliseconds to read log");
return sceneFromInput;
}
/** @param tmpTickList */
private static List<Sequence> structureCreator(List<Tick> tmpTickList) {
/*
* transform List of Ticks to Frames
*/
List<Tick> tickList = new ArrayList<Tick>();
List<Frame> frameList = new ArrayList<Frame>();
List<Sequence> sequenceList = new ArrayList<Sequence>();
for (int i = 0; i < tmpTickList.size(); i++) {
Tick currentTick = tmpTickList.get(i);
if (currentTick.getType().compareTo("########") == 0) { // currentTick equal to ########
/*
* add Frames to frameList
*/
Tick[] tickArray = new Tick[tickList.size()];
tickArray = tickList.toArray(tickArray);
tickList.clear();
Frame tmpFrame = new Frame(tickArray);
frameList.add(tmpFrame);
} else {
tickList.add(currentTick);
}
}
/*
* Arrange Frames into Sequences and create a Scene with them
*/
List<Frame> listOfFrames = new ArrayList<Frame>();
Frame stopFrame = new Frame();
listOfFrames.add(frameList.get(0)); // always start the listOfFrames with first frame
for (int i = 0; i < frameList.size(); i++) {
Frame frameA = frameList.get(i);
Frame frameB;
if (frameList.size() - 1 == i) {
frameB = stopFrame;
} else {
frameB = frameList.get(i + 1);
}
if (frameA.equalTo(frameB)) {
listOfFrames.add(frameB); // add duplicate frames to listOfFrames
} else {
int frameSize = frameA.getArrayLength();
int sequenceLength = listOfFrames.size();
int[][] timestampArray = new int[sequenceLength][frameSize];
String[] typeArray = frameA.getConcatenatedTypes();
for (int j = 0; j < sequenceLength; j++) { // for every Frame on the listOfFrames
Frame tmpFrame = listOfFrames.get(j); // get the Frame
timestampArray[j] = tmpFrame.getTimestamps(); // add every Timestamp in this Frame
}
Sequence prevSequence;
if (sequenceList.isEmpty()) {
prevSequence = new Sequence();
} else {
prevSequence = sequenceList.get(sequenceList.size() - 1);
}
Sequence tmpSequence =
new Sequence(
typeArray, timestampArray, prevSequence); // create Sequence out of Types and Times
sequenceList.add(tmpSequence); // add Sequence to List
listOfFrames.clear(); // rinse and repeat
listOfFrames.add(frameB); // but add FrameB as a startingpoint for the next iteration
}
}
return sequenceList;
}