Examples with HKEY com.sun.jna.platform.win32.WinReg.HKEY used on opensource projects

Example 26 with HKEY

use of com.sun.jna.platform.win32.WinReg.HKEY in project processing by processing.

the class WindowsRegistry method deleteKey.

/**
   * Delete a key.
   *
   * @param rootKey root key
   * @param parent name of parent key
   * @param name key name
   * @return true on success
   */
public static boolean deleteKey(REGISTRY_ROOT_KEY rootKey, String parent, String name) {
    //Advapi32 advapi32;
    //int handle = 0;
    Advapi32 advapi32 = Advapi32.INSTANCE;
    HKEY handle = openKey(rootKey, parent, WinNT.KEY_READ);
    boolean ret = false;
    //if(handle != 0) {
    if (handle != null) {
        if (advapi32.RegDeleteKey(handle, name) == WinError.ERROR_SUCCESS) {
            ret = true;
        } else {
            ret = false;
        }
        advapi32.RegCloseKey(handle);
    }
    return ret;
}

Example 27 with HKEY

use of com.sun.jna.platform.win32.WinReg.HKEY in project processing by processing.

the class WindowsRegistry method getStringValue.

/**
   * Read a String value.
   *
   * @param rootKey root key
   * @param subKeyName key name
   * @param name value name
   * @throws java.io.UnsupportedEncodingException on error
   * @return String or null
   */
public static String getStringValue(REGISTRY_ROOT_KEY rootKey, String subKeyName, String name) throws UnsupportedEncodingException {
    //Advapi32 advapi32;
    //IntByReference pType, lpcbData;
    byte[] lpData = new byte[1];
    //int handle = 0;
    Advapi32 advapi32 = Advapi32.INSTANCE;
    IntByReference pType = new IntByReference();
    IntByReference lpcbData = new IntByReference();
    HKEY handle = openKey(rootKey, subKeyName, WinNT.KEY_READ);
    String ret = null;
    //if (handle != 0) {
    if (handle != null) {
        //if (advapi32.RegQueryValueEx(handle, name, null, pType, lpData, lpcbData) == WinError.ERROR_MORE_DATA) {
        if (advapi32.RegQueryValueEx(handle, name, 0, pType, lpData, lpcbData) == WinError.ERROR_MORE_DATA) {
            lpData = new byte[lpcbData.getValue()];
            //if (advapi32.RegQueryValueEx(handle, name, null, pType, lpData, lpcbData) == WinError.ERROR_SUCCESS) {
            if (advapi32.RegQueryValueEx(handle, name, 0, pType, lpData, lpcbData) == WinError.ERROR_SUCCESS) {
                ret = convertBufferToString(lpData);
            }
        }
        advapi32.RegCloseKey(handle);
    }
    return ret;
}

Example 28 with HKEY

use of com.sun.jna.platform.win32.WinReg.HKEY in project processing by processing.

the class WindowsRegistry method deleteValue.

/**
   * Delete a value.
   *
   * @param rootKey root key
   * @param subKeyName key name
   * @param name value name
   * @return true on success
   */
public static boolean deleteValue(REGISTRY_ROOT_KEY rootKey, String subKeyName, String name) {
    Advapi32 advapi32 = Advapi32.INSTANCE;
    //int handle;
    HKEY handle = openKey(rootKey, subKeyName, WinNT.KEY_READ | WinNT.KEY_WRITE);
    boolean ret = true;
    //if(handle != 0) {
    if (handle != null) {
        if (advapi32.RegDeleteValue(handle, name) == WinError.ERROR_SUCCESS) {
            ret = true;
        }
        advapi32.RegCloseKey(handle);
    }
    return ret;
}

Example 29 with HKEY

use of com.sun.jna.platform.win32.WinReg.HKEY in project processing by processing.

the class WindowsRegistry method openKey.

/**
   * Opens a key.
   *
   * @param rootKey root key
   * @param subKeyName name of the key
   * @param access access mode
   * @return handle to the key or 0
   */
private static HKEY openKey(REGISTRY_ROOT_KEY rootKey, String subKeyName, int access) {
    //Advapi32 advapi32;
    //IntByReference pHandle;
    //int rootKeyHandle;
    Advapi32 advapi32 = Advapi32.INSTANCE;
    HKEY rootKeyHandle = getRegistryRootKey(rootKey);
    //pHandle = new IntByReference();
    HKEYByReference pHandle = new HKEYByReference();
    if (advapi32.RegOpenKeyEx(rootKeyHandle, subKeyName, 0, access, pHandle) == WinError.ERROR_SUCCESS) {
        return pHandle.getValue();
    } else {
        return null;
    }
}

Example 30 with HKEY

use of com.sun.jna.platform.win32.WinReg.HKEY in project processing by processing.

the class WindowsRegistry method getValues.

/**
   * Get all values under a key.
   *
   * @param rootKey root key
   * @param key jey name
   * @throws java.io.UnsupportedEncodingException on error
   * @return TreeMap with name and value pairs
   */
public static TreeMap<String, Object> getValues(REGISTRY_ROOT_KEY rootKey, String key) throws UnsupportedEncodingException {
    //Advapi32 advapi32;
    //int handle = 0, dwIndex, result = 0;
    //char[] lpValueName;
    //byte[] lpData;
    //IntByReference lpcchValueName, lpType, lpcbData;
    //String name;
    TreeMap<String, Object> values = new TreeMap<String, Object>(String.CASE_INSENSITIVE_ORDER);
    Advapi32 advapi32 = Advapi32.INSTANCE;
    HKEY handle = openKey(rootKey, key, WinNT.KEY_READ);
    char[] lpValueName = new char[16384];
    IntByReference lpcchValueName = new IntByReference(16384);
    IntByReference lpType = new IntByReference();
    byte[] lpData = new byte[1];
    IntByReference lpcbData = new IntByReference();
    //if(handle != 0) {
    if (handle != null) {
        int dwIndex = 0;
        int result = 0;
        String name;
        do {
            lpcbData.setValue(0);
            result = advapi32.RegEnumValue(handle, dwIndex, lpValueName, lpcchValueName, null, lpType, lpData, lpcbData);
            if (result == WinError.ERROR_MORE_DATA) {
                lpData = new byte[lpcbData.getValue()];
                lpcchValueName = new IntByReference(16384);
                result = advapi32.RegEnumValue(handle, dwIndex, lpValueName, lpcchValueName, null, lpType, lpData, lpcbData);
                if (result == WinError.ERROR_SUCCESS) {
                    name = new String(lpValueName, 0, lpcchValueName.getValue());
                    switch(lpType.getValue()) {
                        case WinNT.REG_SZ:
                            values.put(name, convertBufferToString(lpData));
                            break;
                        case WinNT.REG_DWORD:
                            values.put(name, convertBufferToInt(lpData));
                            break;
                        default:
                            break;
                    }
                }
            }
            dwIndex++;
        } while (result == WinError.ERROR_SUCCESS);
        advapi32.RegCloseKey(handle);
    }
    return values;
}