serp.util
Class Files

java.lang.Object
  |
  +--serp.util.Files

public class Files

extends Object

Utility operations on files.

Constructor Summary

Files()

Method Summary

static File	backup(File file) Backup the given file to a new file called <file-name>~.
static File	getClassFile(Class cls) Return the class file of the given class, or null if the class is in a jar.
static File	getPackageFile(File base, String pkg, boolean mkdirs) Return the file for the given package.
static File	getSourceFile(Class cls) Return the source file for the given class, or null if the source is not in the CLASSPATH.
static File	revert(File backup) Revert the given backup file to the original location.

Methods inherited from class java.lang.Object

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

Constructor Detail

Files

public Files()

Method Detail

backup

public static File backup(File file)

Backup the given file to a new file called <file-name>~. If the file does not exist or a backup could not be created, returns null.

revert

public static File revert(File backup)

Revert the given backup file to the original location. If the given file's name does not end in '~', the '~' is appended before proceeding. If the backup file does not exist or could not be reverted, returns null.

getSourceFile

public static File getSourceFile(Class cls)

Return the source file for the given class, or null if the source is not in the CLASSPATH.

getClassFile

public static File getClassFile(Class cls)

Return the class file of the given class, or null if the class is in a jar.

getPackageFile

public static File getPackageFile(File base,
                                  String pkg,
                                  boolean mkdirs)

Return the file for the given package. If the given base directory matches the given package structure, it will be used as-is. If not, the package structure will be added beneath the base directory. If the base directory is null, the current working directory will be used as the base.