/** Retrieves the data for the value with the specified name, within the specified open key. */
public String wfmQueryValue(final HKEY hKey, final String valueName) throws XfsException {
final ZSTR data = new ZSTR(SIZE_LIMIT, true);
final DWORD cchData = new DWORD(0L);
final int errorCode = wfmQueryValue0(hKey, new ZSTR(valueName), data, cchData);
XfsException.throwFor(errorCode);
return data.toString();
}
/**
* Closes the specified key.
*
* @param hKey Handle to the currently open key that is to be closed.
* @throws XfsException
*/
public void wfmCloseKey(final HKEY hKey) throws XfsException {
final int errorCode = wfmCloseKey0(hKey);
XfsException.throwFor(errorCode);
synchronized (openKeys) {
openKeys.remove(hKey);
}
}
/**
* Enumerates the values of the specified open key. Retrieves the name and data for one value each
* time it is called.
*/
public Map.Entry<String, String> wfmEnumValue(final HKEY hKey, final DWORD iValue)
throws XfsException {
ZSTR value = new ZSTR(SIZE_LIMIT, true);
ZSTR data = new ZSTR(SIZE_LIMIT, true);
final int errorCode = wfmEnumValue0(hKey, iValue, value, data);
XfsException.throwFor(errorCode);
return new ValuePair(value.toString(), data.toString());
}
/**
* Enumerates the subkeys of the specified open key. Retrieves information about one subkey each
* time it is called.
*
* @param hKey Handle to a currently open key, or the predefined handle value: {@link
* #WFS_CFG_HKEY_XFS_ROOT}
* @return the name of the subkey
*/
public String wfmEnumKey(final HKEY key, final DWORD iSubKey) throws XfsException {
final ZSTR name = new ZSTR(SIZE_LIMIT, true);
DWORD cchName = new DWORD(name.length);
FILETIME lastWrite = new FILETIME();
final int errorCode = wfmEnumKey0(key, iSubKey, name, cchName, lastWrite);
XfsException.throwFor(errorCode);
return name.toString();
}
/** Opens the specified key. */
public HKEY wfmOpenKey(final HKEY hKey, final String subKey) throws XfsException {
HKEY hkResult = new HKEY();
final int errorCode = wfmOpenKey0(hKey, (subKey == null ? null : new ZSTR(subKey)), hkResult);
XfsException.throwFor(errorCode);
synchronized (openKeys) {
openKeys.add(hkResult);
}
return hkResult;
}
