Package at.letto.tools

Class WinRegistry

java.lang.Object

at.letto.tools.WinRegistry

public class WinRegistry
extends Object

Zugriff auf die Windows Registry

Author:

http://stackoverflow.com/questions/62289/read-write-to-windows-registry-using-java

Field Summary

Fields

Modifier and Type	Field	Description
static final int	HKEY_CURRENT_USER
static final int	HKEY_LOCAL_MACHINE
private static final int	KEY_ALL_ACCESS
private static final int	KEY_READ
static final int	REG_ACCESSDENIED
static final int	REG_NOTFOUND
static final int	REG_SUCCESS
private static Method	regCloseKey
private static Method	regCreateKeyEx
private static Method	regDeleteKey
private static Method	regDeleteValue
private static Method	regEnumKeyEx
private static Method	regEnumValue
private static Method	regOpenKey
private static Method	regQueryInfoKey
private static Method	regQueryValueEx
private static Method	regSetValueEx
private static Preferences	systemRoot
private static Class<? extends Preferences>	userClass
private static Preferences	userRoot

Constructor Summary

Constructors

Modifier	Constructor	Description
private	WinRegistry()

Method Summary

Modifier and Type	Method	Description
static void	createKey(int hkey, String key)	Create a key
private static int[]	createKey(Preferences root, int hkey, String key)
static void	deleteKey(int hkey, String key)	Delete a given key
private static int	deleteKey(Preferences root, int hkey, String key)
static void	deleteValue(int hkey, String key, String value)	delete a value from a given key/value name
private static int	deleteValue(Preferences root, int hkey, String key, String value)
static String	readString(int hkey, String key, String valueName)	Read a value from key and value name
private static String	readString(Preferences root, int hkey, String key, String value)
static List<String>	readStringSubKeys(int hkey, String key)	Read the value name(s) from a given key
private static List<String>	readStringSubKeys(Preferences root, int hkey, String key)
static Map<String,String>	readStringValues(int hkey, String key)	Read value(s) and value name(s) form given key
private static Map<String,String>	readStringValues(Preferences root, int hkey, String key)
private static byte[]	toCstr(String str)
static void	writeStringValue(int hkey, String key, String valueName, String value)	Write a value in a given key/value name
private static void	writeStringValue(Preferences root, int hkey, String key, String valueName, String value)

Methods inherited from class java.lang.Object

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

Field Details

HKEY_CURRENT_USER

public static final int HKEY_CURRENT_USER

See Also:

• Constant Field Values

HKEY_LOCAL_MACHINE

public static final int HKEY_LOCAL_MACHINE

See Also:

• Constant Field Values

REG_SUCCESS

public static final int REG_SUCCESS

See Also:

• Constant Field Values

REG_NOTFOUND

public static final int REG_NOTFOUND

See Also:

• Constant Field Values

REG_ACCESSDENIED

public static final int REG_ACCESSDENIED

See Also:

• Constant Field Values

KEY_ALL_ACCESS

private static final int KEY_ALL_ACCESS

See Also:

• Constant Field Values

KEY_READ

private static final int KEY_READ

See Also:

• Constant Field Values

userRoot

private static Preferences userRoot

systemRoot

private static Preferences systemRoot

userClass

private static Class<? extends Preferences> userClass

regOpenKey

private static Method regOpenKey

regCloseKey

private static Method regCloseKey

regQueryValueEx

private static Method regQueryValueEx

regEnumValue

private static Method regEnumValue

regQueryInfoKey

private static Method regQueryInfoKey

regEnumKeyEx

private static Method regEnumKeyEx

regCreateKeyEx

private static Method regCreateKeyEx

regSetValueEx

private static Method regSetValueEx

regDeleteKey

private static Method regDeleteKey

regDeleteValue

private static Method regDeleteValue

Constructor Details

WinRegistry

private WinRegistry()

Method Details

readString

public static String readString(int hkey,
 String key,
 String valueName)
                         throws IllegalArgumentException,
IllegalAccessException,
InvocationTargetException

Read a value from key and value name

Parameters:

hkey - HKEY_CURRENT_USER/HKEY_LOCAL_MACHINE

key - Key

valueName - Name

Returns:

the value

Throws:

IllegalArgumentException - Fehler

IllegalAccessException - Fehler

InvocationTargetException - Fehler

readStringValues

public static Map<String,String> readStringValues(int hkey,
 String key)
                                           throws IllegalArgumentException,
IllegalAccessException,
InvocationTargetException

Read value(s) and value name(s) form given key

Parameters:

hkey - HKEY_CURRENT_USER/HKEY_LOCAL_MACHINE

key - key

Returns:

the value name(s) plus the value(s)

Throws:

IllegalArgumentException - Fehler

IllegalAccessException - Fehler

InvocationTargetException - Fehler

readStringSubKeys

public static List<String> readStringSubKeys(int hkey,
 String key)
                                      throws IllegalArgumentException,
IllegalAccessException,
InvocationTargetException

Read the value name(s) from a given key

Parameters:

hkey - HKEY_CURRENT_USER/HKEY_LOCAL_MACHINE

key - Key

Returns:

the value name(s)

Throws:

IllegalArgumentException - Fehler

IllegalAccessException - Fehler

InvocationTargetException - Fehler

createKey

public static void createKey(int hkey,
 String key)
                      throws IllegalArgumentException,
IllegalAccessException,
InvocationTargetException

Create a key

Parameters:

hkey - HKEY_CURRENT_USER/HKEY_LOCAL_MACHINE

key - key

Throws:

IllegalArgumentException - Fehler

IllegalAccessException - Fehler

InvocationTargetException - Fehler

writeStringValue

public static void writeStringValue(int hkey,
 String key,
 String valueName,
 String value)
                             throws IllegalArgumentException,
IllegalAccessException,
InvocationTargetException

Write a value in a given key/value name

Parameters:

hkey - hkey

key - key

valueName - Name

value - Value

Throws:

IllegalArgumentException - Fehler

IllegalAccessException - Fehler

InvocationTargetException - Fehler

deleteKey

public static void deleteKey(int hkey,
 String key)
                      throws IllegalArgumentException,
IllegalAccessException,
InvocationTargetException

Delete a given key

Parameters:

hkey - hkey

key - key

Throws:

IllegalArgumentException - Fehler

IllegalAccessException - Fehler

InvocationTargetException - Fehler

deleteValue

public static void deleteValue(int hkey,
 String key,
 String value)
                        throws IllegalArgumentException,
IllegalAccessException,
InvocationTargetException

delete a value from a given key/value name

Parameters:

hkey - hkey

key - key

value - Value

Throws:

IllegalArgumentException - Fehler

IllegalAccessException - Fehler

InvocationTargetException - Fehler

deleteValue

private static int deleteValue(Preferences root,
 int hkey,
 String key,
 String value)
                        throws IllegalArgumentException,
IllegalAccessException,
InvocationTargetException

Throws:

IllegalArgumentException

IllegalAccessException

InvocationTargetException

deleteKey

private static int deleteKey(Preferences root,
 int hkey,
 String key)
                      throws IllegalArgumentException,
IllegalAccessException,
InvocationTargetException

Throws:

IllegalArgumentException

IllegalAccessException

InvocationTargetException

readString

private static String readString(Preferences root,
 int hkey,
 String key,
 String value)
                          throws IllegalArgumentException,
IllegalAccessException,
InvocationTargetException

Throws:

IllegalArgumentException

IllegalAccessException

InvocationTargetException

readStringValues

private static Map<String,String> readStringValues(Preferences root,
 int hkey,
 String key)
                                            throws IllegalArgumentException,
IllegalAccessException,
InvocationTargetException

Throws:

IllegalArgumentException

IllegalAccessException

InvocationTargetException

readStringSubKeys

private static List<String> readStringSubKeys(Preferences root,
 int hkey,
 String key)
                                       throws IllegalArgumentException,
IllegalAccessException,
InvocationTargetException

Throws:

IllegalArgumentException

IllegalAccessException

InvocationTargetException

createKey

private static int[] createKey(Preferences root,
 int hkey,
 String key)
                        throws IllegalArgumentException,
IllegalAccessException,
InvocationTargetException

Throws:

IllegalArgumentException

IllegalAccessException

InvocationTargetException

writeStringValue

private static void writeStringValue(Preferences root,
 int hkey,
 String key,
 String valueName,
 String value)
                              throws IllegalArgumentException,
IllegalAccessException,
InvocationTargetException

Throws:

IllegalArgumentException

IllegalAccessException

InvocationTargetException

toCstr

private static byte[] toCstr(String str)