Package tv.hd3g.processlauncher.cmdline

Class ExecutableFinder

java.lang.Object

tv.hd3g.processlauncher.cmdline.ExecutableFinder

public class ExecutableFinder
extends Object

It will resolve/find valid executable files in *NIX and valid executable extensions in Windows. On system PATH, classpath, current dir, and local user dir (/bin). ThreadSafe

Field Summary

Fields

Modifier and Type	Field	Description
static final List<File>	GLOBAL_DECLARED_DIRS	unmodifiableList Specified by -Dexecfinder.searchdir=path1;path2... or path1:path2... on *Nix systems.
static final Predicate<File>	isValidDirectory	Return exists and isDirectory and canRead
static final List<String>	WINDOWS_EXEC_EXTENSIONS	unmodifiableList

Constructor Summary

Constructors

Constructor	Description
ExecutableFinder()

Method Summary

Modifier and Type	Method	Description
ExecutableFinder	addLocalPath(String relativeUserHomePath)	Put in top priority.
ExecutableFinder	addPath(File filePath)	Put in top priority.
File	get(String name)	Can add .exe to name if OS == Windows and if it's missing.
List<File>	getFullPath()
String	getFullPathToString()
ExecutableFinder	registerExecutable(String name, File fullPath)

Methods inherited from class java.lang.Object

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

Field Details

isValidDirectory

public static final Predicate<File> isValidDirectory

Return exists and isDirectory and canRead

WINDOWS_EXEC_EXTENSIONS

public static final List<String> WINDOWS_EXEC_EXTENSIONS

unmodifiableList

GLOBAL_DECLARED_DIRS

public static final List<File> GLOBAL_DECLARED_DIRS

unmodifiableList Specified by -Dexecfinder.searchdir=path1;path2... or path1:path2... on *Nix systems.

Constructor Details

ExecutableFinder

public ExecutableFinder()

Method Details

getFullPathToString

public String getFullPathToString()

getFullPath

public List<File> getFullPath()

Returns:

unmodifiableList

addLocalPath

public ExecutableFinder addLocalPath(String relativeUserHomePath)

Put in top priority. Path / or \ will be corrected

addPath

public ExecutableFinder addPath(File filePath)

Put in top priority.

registerExecutable

public ExecutableFinder registerExecutable(String name,
 File fullPath)
                                    throws IOException

Throws:

IOException

get

public File get(String name)
         throws FileNotFoundException

Can add .exe to name if OS == Windows and if it's missing.

Parameters:

name - can be a simple exec name, or a full path.

Returns:

never null

Throws:

FileNotFoundException - if exec don't exists or is not correctly registed.