Java WString类代码示例

import com.sun.jna.WString; //导入依赖的package包/类
public static void executeAsAdmin(String command, String args) {
	SHELLEXECUTEINFO execInfo = new SHELLEXECUTEINFO();
	execInfo.lpFile = new WString(command);
	if (args != null) {
		execInfo.lpParameters = new WString(args);
	}
	execInfo.nShow = Shell32X.SW_SHOWDEFAULT;
	execInfo.fMask = Shell32X.SEE_MASK_NOCLOSEPROCESS;
	execInfo.lpVerb = new WString("runas");
	boolean result = Shell32X.INSTANCE.ShellExecuteEx(execInfo);

	if (!result) {
		int lastError = Kernel32.INSTANCE.GetLastError();
		String errorMessage = Kernel32Util.formatMessageFromLastErrorCode(lastError);
		throw new RuntimeException("Error performing elevation: " + lastError + ": " + errorMessage + " (apperror=" + execInfo.hInstApp + ")");
	}
}
 

import com.sun.jna.WString; //导入依赖的package包/类
public boolean changeWorkingDir(String name)
{
	File f = new File(name);
	String dir;
	if (!f.exists() || !f.isDirectory())
	{
		System.out.println("setWorkingDirectory failed. file not found "
				+ name);
		return false;
	}
	else
		try
		{
			dir = f.getCanonicalPath();
		}
		catch (IOException e)
		{
			e.printStackTrace();
			return false;
		}
	boolean result = MyKernel32.INSTANCE.SetCurrentDirectoryW(new WString(dir));
	if (result)
		System.setProperty("user.dir", dir);
	return result;
}
 

import com.sun.jna.WString; //导入依赖的package包/类
private HWND createWindowsProcess() {

        WString windowClass = new WString(APPNAME);
        HMODULE hInst = libK.GetModuleHandle("");
        WNDCLASSEX wndclass = new WNDCLASSEX();
        wndclass.hInstance = hInst;
        wndclass.lpfnWndProc = SSHAgent.this;
        wndclass.lpszClassName = windowClass;
        // register window class
        libU.RegisterClassEx(wndclass);
        getLastError();
        // create new window
        HWND winprocess = libU
                .CreateWindowEx(
                        User32.WS_OVERLAPPED,
                        windowClass,
                        APPNAME,
                        0, 0, 0, 0, 0,
                        null, // WM_DEVICECHANGE contradicts parent=WinUser.HWND_MESSAGE
                        null, hInst, null);

        mutex = libK.CreateMutex(null, false, MUTEX_NAME);
        return winprocess;
    }
 

import com.sun.jna.WString; //导入依赖的package包/类
public synchronized MediaInfo open(File file) throws IOException, IllegalArgumentException {
	if (!file.isFile() || file.length() < 64 * 1024) {
		throw new IllegalArgumentException("Invalid media file: " + file);
	}

	String path = file.getCanonicalPath();

	// on Mac files that contain accents cannot be opened via JNA WString file paths due to encoding differences so we use the buffer interface instead for these files
	if (Platform.isMac() && !StandardCharsets.US_ASCII.newEncoder().canEncode(path)) {
		try (RandomAccessFile raf = new RandomAccessFile(file, "r")) {
			if (openViaBuffer(raf)) {
				throw new IOException("Failed to initialize media info buffer: " + path);
			}
		}
	}

	if (0 == MediaInfoLibrary.INSTANCE.Open(handle, new WString(path))) {
		// failed to open file
		throw new IOException("Failed to open media file: " + path);
	}

	return this;
}
 

import com.sun.jna.WString; //导入依赖的package包/类
/**
 * Extract media information for a particular file.
 *
 * @param filename name of the file
 * @return media information
 * @throws MediaInfoParseException if a parse error occurs
 */
public static MediaInfo mediaInfo(String filename) {
    MediaInfo result;
    LibMediaInfo lib = LibMediaInfo.INSTANCE;
    Pointer handle = lib.MediaInfo_New();
    if (handle != null) {
        try {
            int opened = lib.MediaInfo_Open(handle, new WString(filename));
            if (opened == 1) {
                WString data = lib.MediaInfo_Inform(handle);
                lib.MediaInfo_Close(handle);
                result = new Parser(data.toString()).parse();
            }
            else {
                result = null;
            }
        }
        finally {
            lib.MediaInfo_Delete(handle);
        }
    }
    else {
        result = null;
    }
    return result;
}
 

import com.sun.jna.WString; //导入依赖的package包/类
boolean findDevices() {
  WString pluginName = new WString("Saitek");
  dol.DirectOutput_Initialize(pluginName);
  DirectOutputLibrary.HRESULT result = dol.DirectOutput_Enumerate((hDevice, pCtc) -> {
    devices.add(hDevice);
  }, null);

  for (Pointer p : devices) {
    Memory g = new Memory(16);

    DirectOutputLibrary.LPGUID guid = new DirectOutputLibrary.LPGUID(g.getPointer(0));
    result = dol.DirectOutput_GetDeviceType(p, guid);
    String pseudoGuid = toGuidString(guid.getPointer().getByteArray(0, 16)); // the byte order isn't correct, but we don't care right now
    if (X52_PRO.equals(pseudoGuid)) {
      System.out.println("Found X52 Pro! Yay!");
      x52pro = p;
      return true;
    }
  }
  return false;
}
 

import com.sun.jna.WString; //导入依赖的package包/类
/**
 * Open.
 * 
 * @param file
 *          the file
 * @return true, if successful
 */
public boolean open(Path file) throws MediaInfoException {
  // create handle
  try {
    if (handle == null) {
      handle = MediaInfoLibrary.INSTANCE.New();
    }
  }
  catch (LinkageError e) {
    return false;
  }

  if (file != null && isLoaded()) {
    return MediaInfoLibrary.INSTANCE.Open(handle, new WString(file.toAbsolutePath().toString())) > 0;
  }
  else {
    return false;
  }
}
 

import com.sun.jna.WString; //导入依赖的package包/类
/** @see <a href="http://msdn.microsoft.com/en-us/library/aa380261(VS.85,printer).aspx">Reference</a> */
boolean CryptProtectData(
        CryptIntegerBlob pDataIn,
        WString szDataDescr,
        CryptIntegerBlob pOptionalEntropy,
        Pointer pvReserved,
        Pointer pPromptStruct,
        int dwFlags,
        CryptIntegerBlob pDataOut
)/* throws LastErrorException*/;
 

import com.sun.jna.WString; //导入依赖的package包/类
/** @see <a href="http://msdn.microsoft.com/en-us/library/aa380882(VS.85,printer).aspx">Reference</a> */
boolean CryptUnprotectData(
        CryptIntegerBlob pDataIn,
        WString[] ppszDataDescr,
        CryptIntegerBlob pOptionalEntropy,
        Pointer pvReserved,
        Pointer pPromptStruct,
        int dwFlags,
        CryptIntegerBlob pDataOut
)/* throws LastErrorException*/;
 

import com.sun.jna.WString; //导入依赖的package包/类
public static void main(String args[]) throws InterruptedException {
    Pointer pointer;
    System.out.println("running in " + System.getProperty("sun.arch.data.model"));

    System.out.println("Loading dll");
    autoHotKeyDll lib = (autoHotKeyDll) Native.loadLibrary("AutoHotkey.dll", autoHotKeyDll.class);

    System.out.println("initialisation");
    lib.ahktextdll(new WString(""), new WString(""), new WString(""));
    // Thread.sleep(100);
    // lib.addFile(new WString(System.getProperty("user.dir") + "\\lib.ahk"), 1);
    // Thread.sleep(1000);

    // System.out.println("function call");
    // System.out.println("return:" + lib.ahkFunction(new WString("function"),new WString(""),new WString(""),new
    // WString(""),new WString(""),new WString(""),new WString(""),new WString(""),new WString(""),new
    // WString(""),new WString("")).getString(0));
    Thread.sleep(1000);

    System.out.println("displaying cbBox");
    lib.ahkExec(new WString("Send {Right}"));
    Thread.sleep(1000);
}
 

import com.sun.jna.WString; //导入依赖的package包/类
private ClusterGroupInfo getGroupNodeInfo(Pointer cluster, String groupName)
{
	ClusterGroupInfo result = null;
	try
	{
		Pointer hGroup = Clusapi.INSTANCE.OpenClusterGroup(cluster,
				new WString(groupName));

		if (hGroup == null)
			throw new RuntimeException(
					"Clusapi call to OpenClusterGroup returned err code "
							+ MyKernel32.INSTANCE.GetLastError());

		IntByReference lpcchNodeName = new IntByReference();
		Memory lpszNodeName = new Memory(256);
		lpszNodeName.clear();
		lpcchNodeName.setValue(256);

		int state = Clusapi.INSTANCE.GetClusterGroupState(hGroup,
				lpszNodeName, lpcchNodeName);
		String location = lpszNodeName.getString(0, true);

		if (state == Clusapi.CLUSTER_GROUP_STATE_UNKNOWN)
			_log.severe("unknown group state for group " + groupName
					+ " err code " + MyKernel32.INSTANCE.GetLastError());

		result = new ClusterGroupInfo(groupName, state, location);

		MyKernel32.INSTANCE.CloseHandle(hGroup);
	}
	catch (Exception e)
	{
		_log.log(Level.SEVERE, "Error while getting GroupActiveNode", e);
	}
	return result;
}
 

import com.sun.jna.WString; //导入依赖的package包/类
@Override
public void setString(long offset, WString value) {
	if (m_sealed)
		throw new UnsupportedOperationException();
	
	super.setString(offset, value);
}
 

import com.sun.jna.WString; //导入依赖的package包/类
public static String staticOption(String option, String value) {
	try {
		return MediaInfoLibrary.INSTANCE.Option(null, new WString(option), new WString(value)).toString();
	} catch (LinkageError e) {
		throw new MediaInfoException(e);
	}
}
 

import com.sun.jna.WString; //导入依赖的package包/类
public static List<Process> getProcessesUsing(File file) {
  List<Process> processes = new LinkedList<Process>();
  // If the DLL was not present (XP or other OS), do not try to find it again.
  if (ourFailed) {
    return processes;
  }
  try {
    IntByReference session = new IntByReference();
    char[] sessionKey = new char[Win32RestartManager.CCH_RM_SESSION_KEY + 1];
    int error = Win32RestartManager.INSTANCE.RmStartSession(session, 0, sessionKey);
    if (error != 0) {
      Runner.logger.warn("Unable to start restart manager session");
      return processes;
    }
    StringArray resources = new StringArray(new WString[]{new WString(file.toString())});
    error = Win32RestartManager.INSTANCE.RmRegisterResources(session.getValue(), 1, resources, 0, Pointer.NULL, 0, null);
    if (error != 0) {
      Runner.logger.warn("Unable to register restart manager resource " + file.getAbsolutePath());
      return processes;
    }

    IntByReference procInfoNeeded = new IntByReference();
    Win32RestartManager.RmProcessInfo info = new Win32RestartManager.RmProcessInfo();
    Win32RestartManager.RmProcessInfo[] infos = (Win32RestartManager.RmProcessInfo[])info.toArray(MAX_PROCESSES);
    IntByReference procInfo = new IntByReference(infos.length);
    error = Win32RestartManager.INSTANCE.RmGetList(session.getValue(), procInfoNeeded, procInfo, info, new LongByReference());
    if (error != 0) {
      Runner.logger.warn("Unable to get the list of processes using " + file.getAbsolutePath());
      return processes;
    }
    for (int i = 0; i < procInfo.getValue(); i++) {
      processes.add(new Process(infos[i].Process.dwProcessId, new String(infos[i].strAppName).trim()));
    }
    Win32RestartManager.INSTANCE.RmEndSession(session.getValue());
  } catch (Throwable t) {
    // Best effort approach, if no DLL is found ignore.
    ourFailed = true;
  }
  return processes;
}
 

import com.sun.jna.WString; //导入依赖的package包/类
public byte[] encode(File file) {
    byte[] path = new byte[file.getAbsolutePath().length() * 3 + 1];
    int pathLength = libC.wcstombs(path, new WString(file.getAbsolutePath()), path.length);
    if (pathLength < 0) {
        throw new RuntimeException(String.format("Could not encode file path '%s'.", file.getAbsolutePath()));
    }
    byte[] zeroTerminatedByteArray = new byte[pathLength + 1];
    System.arraycopy(path, 0, zeroTerminatedByteArray, 0, pathLength);
    zeroTerminatedByteArray[pathLength] = 0;
    return zeroTerminatedByteArray;
}