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package jrummikub.control;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import jrummikub.model.GameSettings;
import jrummikub.model.GameState;
import jrummikub.model.IRoundState;
import jrummikub.util.Event;
import jrummikub.util.Event3;
import jrummikub.util.IEvent3;
import jrummikub.util.IListener1;
import jrummikub.view.IView;
/**
* The save control is responsible for loading and saving game and round states
*/
public class SaveControl {
private GameSettings gameSettings;
private GameState gameState;
private IRoundState roundState;
private Event3<GameSettings, GameState, IRoundState> loadEvent = new Event3<GameSettings, GameState, IRoundState>();
private Event loadErrorEvent = new Event();
/**
* Creates a new SaveControl
*
* @param view
* the view to use
*/
public SaveControl(final IView view) {
view.getSaveEvent().add(new IListener1<File>() {
@Override
public void handle(File file) {
save(file);
}
});
view.getLoadFileEvent().add(new IListener1<File>() {
@Override
public void handle(final File file) {
load(file);
}
});
}
/**
* Getter for loadEvent
*
* @return loadEvent
*/
public IEvent3<GameSettings, GameState, IRoundState> getLoadEvent() {
return loadEvent;
}
/**
* Sets the current game settings
*
* @param gameSettings
* the game settings
*/
public void setGameSettings(GameSettings gameSettings) {
this.gameSettings = gameSettings;
}
/**
* Sets the current game state
*
* @param gameState
* the game state
*/
public void setGameState(GameState gameState) {
this.gameState = gameState;
}
/**
* Sets the current round state
*
* @param roundState
* the round state
*/
public void setRoundState(IRoundState roundState) {
this.roundState = roundState;
}
/**
* Loads the specified file and sets game state and round state. If the file
* selected cannot be handled, an error will occur and show
*
* @param file
* to be loaded
*/
private void load(File file) {
try {
ObjectInputStream stream = new ObjectInputStream(
new FileInputStream(file));
gameSettings = (GameSettings) stream.readObject();
gameState = (GameState) stream.readObject();
roundState = (IRoundState) stream.readObject();
stream.close();
if (gameState == null || gameSettings == null) {
loadErrorEvent.emit();
return;
}
loadEvent.emit(gameSettings, gameState, roundState);
} catch (Exception e) {
loadErrorEvent.emit();
}
}
/**
* The load error event is emitted when the file selected for loading is not
* a rum file
*
* @return the event
*/
public Event getLoadErrorEvent() {
return loadErrorEvent;
}
/**
* Saves the current game state and round state to a file with the specified
* file name
*
* @param file
* file to save game in
*/
private void save(File file) {
if (gameState == null || gameSettings == null) {
return;
}
try {
ObjectOutputStream stream = new ObjectOutputStream(
new FileOutputStream(file));
stream.writeObject(gameSettings);
stream.writeObject(gameState);
stream.writeObject(roundState);
stream.flush();
stream.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
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