/**
* Loads the level collection stored in the passed file.
*
* @param collectionFilePath path and name of the collection to load
* @return the <code>LevelCollection</code> created from the read in data
* @throws IOException the collection file couldn't be read
*/
public final LevelCollection getLevelCollectionFromFile(String collectionFilePath)
throws IOException {
// ArrayList, for storing the read data.
List<String> inputData = new ArrayList<String>(1000);
// Create BufferedReader for the input file.
BufferedReader levelFile = Utilities.getBufferedReader(collectionFilePath);
// The file hasn't been found => return null.
if (levelFile == null) {
throw new FileNotFoundException(Texts.getText("message.fileMissing", collectionFilePath));
}
// Read in line by line of the input data.
String levelDataRow;
try {
while ((levelDataRow = levelFile.readLine()) != null) {
inputData.add(levelDataRow);
}
} finally {
levelFile.close();
}
// Parse the read data and return the collection created from that data.
// The level collection to be returned.
LevelCollection levelCollection = dataParser.extractData(inputData, collectionFilePath);
// Return the collection.
return levelCollection;
}
/**
* Imports data from the passed Transferable-object and tries to extract level data from it.
*
* <p>This method is only used by the application.
*
* @param transferable the transferable object tried to extract level data from
* @return the <code>LevelCollection</code> created from the read in data
*/
public final LevelCollection getLevelCollectionFromStringDataFlavor(Transferable transferable) {
// Level data from the clipboard.
List<String> levelData = new ArrayList<String>();
// Check if the stringFlavor is supported. If not, return an empty level collection.
if (transferable == null
|| transferable.isDataFlavorSupported(DataFlavor.stringFlavor) == false) {
return new LevelCollection.Builder().build();
}
try {
String transferString = ((String) transferable.getTransferData(DataFlavor.stringFlavor));
transferString = transferString.replaceAll("\\r\\n|\\r", "\n"); // Ensure there is only \n
String[] levelDataString = transferString.split("\n");
// The method "extractLevelData" needs the data to be in List (or any subtype).
levelData.addAll(Arrays.asList(levelDataString));
} catch (UnsupportedFlavorException ex) {
ex.printStackTrace();
} catch (IOException ex) {
ex.printStackTrace();
}
// if(Settings.isDebugModeActivated) {
// try {
// levelDataAsArrayList = FormatConverter.getXSBList(levelDataAsArrayList);
// } catch (ParseException e) {
// e.printStackTrace();
// }
// }
// Extract the level data from the clipboard data and return the LevelCollection created from
// that data.
return dataParser.extractData(levelData, null);
}