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## org.apache.tomcat.jni
Class Registry

    java.lang.Object
      org.apache.tomcat.jni.Registry

    public class Registry

extends java.lang.Object

Windows Registy support

Version:
  $Id: Registry.java 939351 2010-04-29 15:41:54Z kkolinko $
Author:
  Mladen Turk

Field Summary
`static int` | `HKEY_CLASSES_ROOT`
`static int` | `HKEY_CURRENT_CONFIG`
`static int` | `HKEY_CURRENT_USER`
`static int` | `HKEY_LOCAL_MACHINE`
`static int` | `HKEY_USERS`
`static int` | `KEY_ALL_ACCESS`
`static int` | `KEY_CREATE_LINK`
`static int` | `KEY_CREATE_SUB_KEY`
`static int` | `KEY_ENUMERATE_SUB_KEYS`
`static int` | `KEY_EXECUTE`
`static int` | `KEY_NOTIFY`
`static int` | `KEY_QUERY_VALUE`
`static int` | `KEY_READ`
`static int` | `KEY_SET_VALUE`
`static int` | `KEY_WOW64_32KEY`
`static int` | `KEY_WOW64_64KEY`
`static int` | `KEY_WRITE`
`static int` | `REG_BINARY`
`static int` | `REG_DWORD`
`static int` | `REG_EXPAND_SZ`
`static int` | `REG_MULTI_SZ`
`static int` | `REG_QWORD`
`static int` | `REG_SZ`

Constructor Summary
`Registry()`

Method Summary
`static int` | `close(long key)` Close the specified Registry key.
`static long` | `create(int root, java.lang.String name, int sam, long pool)` Create or open a Registry Key.
`static int` | `deleteKey(int root, java.lang.String name, boolean onlyIfEmpty)` Delete the Registry subkey
`static int` | `deleteValue(long key, java.lang.String name)` Delete the Registry value
`static java.lang.String[]` | `enumKeys(long key)` Enumerate the Registry subkeys
`static java.lang.String[]` | `enumValues(long key)` Enumerate the Registry values
`static int` | `getSize(long key, java.lang.String name)` Get the Registry key length.
`static int` | `getType(long key, java.lang.String name)` Get the Registry key type.
`static java.lang.String[]` | `getValueA(long key, java.lang.String name)` Get the Registry value for REG_MULTI_SZ
`static byte[]` | `getValueB(long key, java.lang.String name)` Get the Registry value for REG_BINARY
`static int` | `getValueI(long key, java.lang.String name)` Get the Registry value for REG_DWORD
`static long` | `getValueJ(long key, java.lang.String name)` Get the Registry value for REG_QWORD or REG_DWORD
`static java.lang.String` | `getValueS(long key, java.lang.String name)` Get the Registry value for REG_SZ or REG_EXPAND_SZ
`static long` | `open(int root, java.lang.String name, int sam, long pool)` Opens the specified Registry Key.
`static int` | `setValueA(long key, java.lang.String name, java.lang.String[] val)` Set the Registry value for REG_MULTI_SZ
`static int` | `setValueB(long key, java.lang.String name, byte[] val)` Set the Registry value for REG_BINARY
`static int` | `setValueE(long key, java.lang.String name, java.lang.String val)` Set the Registry value for REG_EXPAND_SZ
`static int` | `setValueI(long key, java.lang.String name, int val)` Set the Registry value for REG_DWORD
`static int` | `setValueJ(long key, java.lang.String name, long val)` Set the Registry value for REG_QWORD
`static int` | `setValueS(long key, java.lang.String name, java.lang.String val)` Set the Registry value for REG_SZ

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### HKEY_CLASSES_ROOT

    public static final int HKEY_CLASSES_ROOT

See Also:
  Constant Field Values

### HKEY_CURRENT_CONFIG

    public static final int HKEY_CURRENT_CONFIG

See Also:
  Constant Field Values

### 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

### HKEY_USERS

    public static final int HKEY_USERS

See Also:
  Constant Field Values

### KEY_ALL_ACCESS

    public static final int KEY_ALL_ACCESS

See Also:
  Constant Field Values

### KEY_CREATE_LINK

    public static final int KEY_CREATE_LINK

See Also:
  Constant Field Values

### KEY_CREATE_SUB_KEY

    public static final int KEY_CREATE_SUB_KEY

See Also:
  Constant Field Values

### KEY_ENUMERATE_SUB_KEYS

    public static final int KEY_ENUMERATE_SUB_KEYS

See Also:
  Constant Field Values

### KEY_EXECUTE

    public static final int KEY_EXECUTE

See Also:
  Constant Field Values

### KEY_NOTIFY

    public static final int KEY_NOTIFY

See Also:
  Constant Field Values

### KEY_QUERY_VALUE

    public static final int KEY_QUERY_VALUE

See Also:
  Constant Field Values

### KEY_READ

    public static final int KEY_READ

See Also:
  Constant Field Values

### KEY_SET_VALUE

    public static final int KEY_SET_VALUE

See Also:
  Constant Field Values

### KEY_WOW64_64KEY

    public static final int KEY_WOW64_64KEY

See Also:
  Constant Field Values

### KEY_WOW64_32KEY

    public static final int KEY_WOW64_32KEY

See Also:
  Constant Field Values

### KEY_WRITE

    public static final int KEY_WRITE

See Also:
  Constant Field Values

### REG_BINARY

    public static final int REG_BINARY

See Also:
  Constant Field Values

### REG_DWORD

    public static final int REG_DWORD

See Also:
  Constant Field Values

### REG_EXPAND_SZ

    public static final int REG_EXPAND_SZ

See Also:
  Constant Field Values

### REG_MULTI_SZ

    public static final int REG_MULTI_SZ

See Also:
  Constant Field Values

### REG_QWORD

    public static final int REG_QWORD

See Also:
  Constant Field Values

### REG_SZ

    public static final int REG_SZ

See Also:
  Constant Field Values

Constructor Detail

### Registry

    public Registry()

Method Detail

### create

    public static long create(int root,
                              java.lang.String name,
                              int sam,
                              long pool)
                       throws Error

  Create or open a Registry Key.

  Parameters:
    `name` - Registry Subkey to open
    `root` - Root key, one of HKEY_*
    `sam` - Access mask that specifies the access rights for the key.
    `pool` - Pool used for native memory allocation
  Returns:
    Opened Registry key
  Throws:
    `Error`

### open

    public static long open(int root,
                            java.lang.String name,
                            int sam,
                            long pool)
                     throws Error

  Opens the specified Registry Key.

  Parameters:
    `name` - Registry Subkey to open
    `root` - Root key, one of HKEY_*
    `sam` - Access mask that specifies the access rights for the key.
    `pool` - Pool used for native memory allocation
  Returns:
    Opened Registry key
  Throws:
    `Error`

### close

    public static int close(long key)

  Close the specified Registry key.

  Parameters:
    `key` - The Registry key descriptor to close.

### getType

    public static int getType(long key,
                              java.lang.String name)

  Get the Registry key type.

  Parameters:
    `key` - The Registry key descriptor to use.
    `name` - The name of the value to query
  Returns:
    Value type or negative error value

### getValueI

    public static int getValueI(long key,
                                java.lang.String name)
                         throws Error

  Get the Registry value for REG_DWORD

  Parameters:
    `key` - The Registry key descriptor to use.
    `name` - The name of the value to query
  Returns:
    Registry key value
  Throws:
    `Error`

### getValueJ

    public static long getValueJ(long key,
                                 java.lang.String name)
                          throws Error

  Get the Registry value for REG_QWORD or REG_DWORD

  Parameters:
    `key` - The Registry key descriptor to use.
    `name` - The name of the value to query
  Returns:
    Registry key value
  Throws:
    `Error`

### getSize

    public static int getSize(long key,
                              java.lang.String name)

  Get the Registry key length.

  Parameters:
    `key` - The Registry key descriptor to use.
    `name` - The name of the value to query
  Returns:
    Value size or negative error value

### getValueS

    public static java.lang.String getValueS(long key,
                                             java.lang.String name)
                                      throws Error

  Get the Registry value for REG_SZ or REG_EXPAND_SZ

  Parameters:
    `key` - The Registry key descriptor to use.
    `name` - The name of the value to query
  Returns:
    Registry key value
  Throws:
    `Error`

### getValueA

    public static java.lang.String[] getValueA(long key,
                                               java.lang.String name)
                                        throws Error

  Get the Registry value for REG_MULTI_SZ

  Parameters:
    `key` - The Registry key descriptor to use.
    `name` - The name of the value to query
  Returns:
    Registry key value
  Throws:
    `Error`

### getValueB

    public static byte[] getValueB(long key,
                                   java.lang.String name)
                            throws Error

  Get the Registry value for REG_BINARY

  Parameters:
    `key` - The Registry key descriptor to use.
    `name` - The name of the value to query
  Returns:
    Registry key value
  Throws:
    `Error`

### setValueI

    public static int setValueI(long key,
                                java.lang.String name,
                                int val)

  Set the Registry value for REG_DWORD

  Parameters:
    `key` - The Registry key descriptor to use.
    `name` - The name of the value to set
    `val` - The the value to set
  Returns:
    If the function succeeds, the return value is 0

### setValueJ

    public static int setValueJ(long key,
                                java.lang.String name,
                                long val)

  Set the Registry value for REG_QWORD

  Parameters:
    `key` - The Registry key descriptor to use.
    `name` - The name of the value to set
    `val` - The the value to set
  Returns:
    If the function succeeds, the return value is 0

### setValueS

    public static int setValueS(long key,
                                java.lang.String name,
                                java.lang.String val)

  Set the Registry value for REG_SZ

  Parameters:
    `key` - The Registry key descriptor to use.
    `name` - The name of the value to set
    `val` - The the value to set
  Returns:
    If the function succeeds, the return value is 0

### setValueE

    public static int setValueE(long key,
                                java.lang.String name,
                                java.lang.String val)

  Set the Registry value for REG_EXPAND_SZ

  Parameters:
    `key` - The Registry key descriptor to use.
    `name` - The name of the value to set
    `val` - The the value to set
  Returns:
    If the function succeeds, the return value is 0

### setValueA

    public static int setValueA(long key,
                                java.lang.String name,
                                java.lang.String[] val)

  Set the Registry value for REG_MULTI_SZ

  Parameters:
    `key` - The Registry key descriptor to use.
    `name` - The name of the value to set
    `val` - The the value to set
  Returns:
    If the function succeeds, the return value is 0

### setValueB

    public static int setValueB(long key,
                                java.lang.String name,
                                byte[] val)

  Set the Registry value for REG_BINARY

  Parameters:
    `key` - The Registry key descriptor to use.
    `name` - The name of the value to set
    `val` - The the value to set
  Returns:
    If the function succeeds, the return value is 0

### enumKeys

    public static java.lang.String[] enumKeys(long key)
                                       throws Error

  Enumerate the Registry subkeys

  Parameters:
    `key` - The Registry key descriptor to use.
  Returns:
    Array of all subkey names
  Throws:
    `Error`

### enumValues

    public static java.lang.String[] enumValues(long key)
                                         throws Error

  Enumerate the Registry values

  Parameters:
    `key` - The Registry key descriptor to use.
  Returns:
    Array of all value names
  Throws:
    `Error`

### deleteValue

    public static int deleteValue(long key,
                                  java.lang.String name)

  Delete the Registry value

  Parameters:
    `key` - The Registry key descriptor to use.
    `name` - The name of the value to delete
  Returns:
    If the function succeeds, the return value is 0

### deleteKey

    public static int deleteKey(int root,
                                java.lang.String name,
                                boolean onlyIfEmpty)

  Delete the Registry subkey

  Parameters:
    `root` - Root key, one of HKEY_*
    `name` - Subkey to delete
    `onlyIfEmpty` - If true will not delete a key if it contains any subkeys or values
  Returns:
    If the function succeeds, the return value is 0

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