Package com.sun.jna.platform.win32.COM

Class COMUtils

java.lang.Object

com.sun.jna.platform.win32.COM.COMUtils

public abstract class COMUtils
extends Object

The Class COMUtils.

Author:

[email protected] The Class COMUtils.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	COMUtils.COMInfo	The Class COMInfo.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	E_UNEXPECTED
static final int	S_FALSE
static final int	S_OK	The Constant CO_E_NOTINITIALIZED.

Constructor Summary

Constructors

Constructor	Description
COMUtils()

Method Summary

Modifier and Type	Method	Description
static void	checkRC(WinNT.HRESULT hr)	Throw new exception.
static void	checkRC(WinNT.HRESULT hr, OaIdl.EXCEPINFO pExcepInfo, IntByReference puArgErr)	Check status of HRESULT if it indicates a failed call a COMInvokeException is reaised.
static boolean	comIsInitialized()	Check if COM was initialized correctly.
static boolean	FAILED(int hr)	Failed.
static boolean	FAILED(WinNT.HRESULT hr)	Failed.
static ArrayList<COMUtils.COMInfo>	getAllCOMInfoOnSystem()	Gets the all com info on system.
static boolean	SUCCEEDED(int hr)	Succeeded.
static boolean	SUCCEEDED(WinNT.HRESULT hr)	Succeeded.

Methods inherited from class java.lang.Object

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

Field Details

S_OK

public static final int S_OK

The Constant CO_E_NOTINITIALIZED.

See Also:

• Constant Field Values

S_FALSE

public static final int S_FALSE

See Also:

• Constant Field Values

E_UNEXPECTED

public static final int E_UNEXPECTED

See Also:

• Constant Field Values

Constructor Details

COMUtils

public COMUtils()

Method Details

SUCCEEDED

public static boolean SUCCEEDED(WinNT.HRESULT hr)

Succeeded.

Parameters:

hr - the hr

Returns:

true, if successful

SUCCEEDED

public static boolean SUCCEEDED(int hr)

Succeeded.

Parameters:

hr - the hr

Returns:

true, if successful

FAILED

public static boolean FAILED(WinNT.HRESULT hr)

Failed.

Parameters:

hr - the hr

Returns:

true, if successful

FAILED

public static boolean FAILED(int hr)

Failed.

Parameters:

hr - the hr

Returns:

true, if successful

checkRC

public static void checkRC(WinNT.HRESULT hr)

Throw new exception.

Parameters:

hr - the hr

checkRC

public static void checkRC(WinNT.HRESULT hr,
 OaIdl.EXCEPINFO pExcepInfo,
 IntByReference puArgErr)

Check status of HRESULT if it indicates a failed call a COMInvokeException is reaised.

The string members of the pExcepInfo are freed in this call and can't be used afterwards. The structure is not freeed, as it is expected, that is allocated via the Memory object of JNA.

Parameters:

hr - the hr

pExcepInfo - the excep info, it is expected

puArgErr - the pu arg err

getAllCOMInfoOnSystem

public static ArrayList<COMUtils.COMInfo> getAllCOMInfoOnSystem()

Gets the all com info on system.

Returns:

the all com info on system

comIsInitialized

public static boolean comIsInitialized()

Check if COM was initialized correctly. The initialization status is not changed!

This is a debug function, not for normal usage!

Returns:

whether COM has been initialized