Class FileFixerUpper

java.lang.Object

net.minecraft.util.filefix.FileFixerUpper

public class FileFixerUpper
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	FileFixerUpper.Builder
static final record	FileFixerUpper.UpgradeInProgress

Field Summary

Fields

Modifier and Type	Field	Description
private final com.mojang.datafixers.DataFixerBuilder.Result	dataFixer
private static final String	FILE_FIX_DIRECTORY_NAME
private static final int	FILE_FIXER_INTRODUCTION_VERSION
private final List<FileFix>	fileFixes
private static final Gson	GSON
private final int	latestFileFixerVersion
private static final org.slf4j.Logger	LOGGER
private static final String	NEW_WORLD_TEMP_NAME
private static final String	UPGRADE_IN_PROGRESS_NAME

Constructor Summary

Constructors

Constructor	Description
FileFixerUpper(com.mojang.datafixers.DataFixerBuilder.Result dataFixer, List<FileFix> fileFixes, int latestFileFixerVersion)

Method Summary

Modifier and Type	Method	Description
private static com.mojang.serialization.Dynamic<?>	addVersionsToLevelData(com.mojang.serialization.Dynamic<?> fixed, int toVersion)
void	applyFileFixers(UpgradeProgress upgradeProgress, int loadedVersion, int toVersion, Path basePath)
private List<FileMove>	applyFileFixersOnCow(UpgradeProgress upgradeProgress, int loadedVersion, int toVersion, Path worldFolder, Path fileFixDirectory, Path tempWorld)
private static void	cleanup(Path fileFixDirectory)
private void	countFiles(List<FileFix> applicableFixers, UpgradeProgress upgradeProgress)
private static void	deleteDirectory(Path directory)
static FileSystemCapabilities	detectFileSystemCapabilities(Path dir)
com.mojang.serialization.Dynamic<?>	fix(LevelStorageSource.LevelStorageAccess worldAccess, com.mojang.serialization.Dynamic<?> levelDataTag, UpgradeProgress upgradeProgress)
com.mojang.serialization.Dynamic<?>	fix(LevelStorageSource.LevelStorageAccess worldAccess, com.mojang.serialization.Dynamic<?> levelDataTag, UpgradeProgress upgradeProgress, int toVersion)
private List<FileFix>	getApplicableFixers(int fromVersion, int toVersion)
private static List<FileMove>	readMoves(Path fromDirectory, Path toDirectory, Path filePath)
boolean	requiresFileFixing(int levelDataVersion)
private List<FileMove>	startOrContinueFileFixing(UpgradeProgress upgradeProgress, int toVersion, Path worldFolder, Path tempWorld, Path fileFixDirectory, int loadedVersion)
private static boolean	supportsAtomicMove(Path dir)
private static boolean	supportsHardLinks(Path dir)
protected static void	swapInFixedWorld(LevelStorageSource.LevelStorageAccess worldAccess, List<FileMove> moves, Path fileFixDirectory, Path tempWorld)
static int	worldVersionToFileFixerVersion(int levelDataVersion)
private static void	writeMoves(List<FileMove> moves, Path fromDirectory, Path toDirectory, Path filePath)
private void	writeUpdatedLevelData(Path worldFolder, int toVersion)

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

FILE_FIXER_INTRODUCTION_VERSION

private static final int FILE_FIXER_INTRODUCTION_VERSION

See Also:

• Constant Field Values

GSON

private static final Gson GSON

FILE_FIX_DIRECTORY_NAME

private static final String FILE_FIX_DIRECTORY_NAME

See Also:

• Constant Field Values

NEW_WORLD_TEMP_NAME

private static final String NEW_WORLD_TEMP_NAME

See Also:

• Constant Field Values

UPGRADE_IN_PROGRESS_NAME

private static final String UPGRADE_IN_PROGRESS_NAME

See Also:

• Constant Field Values

LOGGER

private static final org.slf4j.Logger LOGGER

dataFixer

private final com.mojang.datafixers.DataFixerBuilder.Result dataFixer

fileFixes

private final List<FileFix> fileFixes

latestFileFixerVersion

private final int latestFileFixerVersion

Constructor Details

FileFixerUpper

public FileFixerUpper(com.mojang.datafixers.DataFixerBuilder.Result dataFixer,
 List<FileFix> fileFixes,
 int latestFileFixerVersion)

Method Details

worldVersionToFileFixerVersion

public static int worldVersionToFileFixerVersion(int levelDataVersion)

requiresFileFixing

public boolean requiresFileFixing(int levelDataVersion)

fix

public com.mojang.serialization.Dynamic<?> fix(LevelStorageSource.LevelStorageAccess worldAccess,
 com.mojang.serialization.Dynamic<?> levelDataTag,
 UpgradeProgress upgradeProgress)
                                        throws FileFixException

Throws:

FileFixException

fix

public com.mojang.serialization.Dynamic<?> fix(LevelStorageSource.LevelStorageAccess worldAccess,
 com.mojang.serialization.Dynamic<?> levelDataTag,
 UpgradeProgress upgradeProgress,
 int toVersion)
                                        throws FileFixException

Throws:

FileFixException

startOrContinueFileFixing

private List<FileMove> startOrContinueFileFixing(UpgradeProgress upgradeProgress,
 int toVersion,
 Path worldFolder,
 Path tempWorld,
 Path fileFixDirectory,
 int loadedVersion)

deleteDirectory

private static void deleteDirectory(Path directory)
                             throws IOException

Throws:

IOException

cleanup

private static void cleanup(Path fileFixDirectory)

applyFileFixersOnCow

private List<FileMove> applyFileFixersOnCow(UpgradeProgress upgradeProgress,
 int loadedVersion,
 int toVersion,
 Path worldFolder,
 Path fileFixDirectory,
 Path tempWorld)
                                     throws IOException

Throws:

IOException

applyFileFixers

public void applyFileFixers(UpgradeProgress upgradeProgress,
 int loadedVersion,
 int toVersion,
 Path basePath)
                     throws IOException

Throws:

IOException

getApplicableFixers

private List<FileFix> getApplicableFixers(int fromVersion,
 int toVersion)

countFiles

private void countFiles(List<FileFix> applicableFixers,
 UpgradeProgress upgradeProgress)

writeUpdatedLevelData

private void writeUpdatedLevelData(Path worldFolder,
 int toVersion)
                            throws IOException

Throws:

IOException

addVersionsToLevelData

private static com.mojang.serialization.Dynamic<?> addVersionsToLevelData(com.mojang.serialization.Dynamic<?> fixed,
 int toVersion)

swapInFixedWorld

protected static void swapInFixedWorld(LevelStorageSource.LevelStorageAccess worldAccess,
 List<FileMove> moves,
 Path fileFixDirectory,
 Path tempWorld)
                                throws FileFixException

Throws:

FileFixException

writeMoves

private static void writeMoves(List<FileMove> moves,
 Path fromDirectory,
 Path toDirectory,
 Path filePath)
                        throws IOException

Throws:

IOException

readMoves

private static List<FileMove> readMoves(Path fromDirectory,
 Path toDirectory,
 Path filePath)
                                 throws IOException

Throws:

IOException

detectFileSystemCapabilities

public static FileSystemCapabilities detectFileSystemCapabilities(Path dir)
                                                           throws IOException

Throws:

IOException

supportsAtomicMove

private static boolean supportsAtomicMove(Path dir)
                                   throws IOException

Throws:

IOException

supportsHardLinks

private static boolean supportsHardLinks(Path dir)
                                  throws IOException

Throws:

IOException