com4j.Native Maven / Gradle / Ivy
package com4j;
import java.nio.ByteBuffer;
/**
* Native methods implemented in the dll.
*
* @author Kohsuke Kawaguchi ([email protected])
* @author Michael Schnell (ScM)
*/
class Native {
/**
* Initializes the native code.
*/
static native void init();
/**
* Creates a COM object and returns its pointer.
*/
static native long createInstance( String clsid, int clsctx, long iid1, long iid2 );
/**
* Calls {@code GetActiveObject} Win32 API.
*/
static native long getActiveObject( long clsid1, long clsid2 );
/**
* Equivalent of {@code GetObject} in VB.
*
* See http://support.microsoft.com/kb/122288
*/
static native long getObject( String fileName, String progId );
/**
* returns a pointer to the running object table.
* @return a pointer to the running object table
*/
static native long getRunningObjectTable();
/**
* Returns an enum moniker for the given running object table.
* @param rotPointer the pointer to the running object table
* @return an enum moniker for the given running object table
*/
static native long getEnumMoniker(long rotPointer);
/**
* Returns a pointer to the next object of the running object table.
* @param rotPointer a pointer to the running object table
* @param enumMonikerPointer a pointer to an enum moniker
* @return a pointer to the next object of the running object table
*/
static native long getNextRunningObject(long rotPointer, long enumMonikerPointer);
/**
* Calls IUnknown.AddRef.
*/
static native int addRef( long pComObject );
/**
* Calls IUnknown.Release.
*/
static native int release( long pComObject );
/**
* Invokes a method.
*
* @throws ComException
* if the invocation returns a failure HRESULT, and the return type
* is not HRESULT.
*/
static native Object invoke( long pComObject, long vtIndex,
Object[] args, int[] parameterConversions,
int returnIndex, boolean returnIsInOut, int returnConversion );
/**
* Invokes {@code IDispatch.Invoke}.
*/
static native Variant invokeDispatch(
long pComObject, int dispId, int flag, Object[] args );
/**
* Gets the error info.
*
*
* This method is used after the invoke method fails,
* to obtain the IErrorInfo object. This method checks
* ISupportErrorInfo.
*
* @param pComObject
* The object that caused an error.
* @return
* the pointer to IErrorInfo or null if not available.
*/
static native long getErrorInfo( long pComObject, long iid1, long iid2 );
static IErrorInfo getErrorInfo( long pComObject, Class _interface ) {
GUID guid = COM4J.getIID(_interface);
long p = getErrorInfo(pComObject,guid.v[0],guid.v[1]);
if(p==0) return null;
else return Wrapper.create(IErrorInfo.class,p);
}
/**
* Gets the error message string for the given HRESULT.
*
* @return null if none is found.
*/
static native String getErrorMessage( int hresult );
static native long queryInterface( long pComObject, long iid1, long iid2 );
static long queryInterface( long pComObject, GUID guid ) {
return queryInterface(pComObject, guid.v[0], guid.v[1]);
}
/**
* Loads a type library from a given file, wraps it, and returns its IUnknown.
*/
static native long loadTypeLibrary(String name);
/**
* Calls "CoInitialize"
*/
static native void coInitialize();
/**
* Calls "CoUninitialize"
*/
static native void coUninitialize();
/**
* Calls IConnectionPoint::Advise and subscribe to the event.
*
* @param connectionPoint
* interface pointer to the connection point.
* @return
* pointer to the native proxy
*/
static native long advise(long connectionPoint, EventProxy eventProxy, long iid1, long iid2);
/**
* Shuts down the event subscription by calling IConnectionPoint::Unadvise.
*/
static native void unadvise(long nativeProxy);
/**
* Creates a direct buffer.
*/
static native ByteBuffer createBuffer(long ptr, int size);
}