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BUG#: 2196
TITLE: Copyright update

DESCRIPTION: Update all .cpp and .h files for new license and
update the doc/license.txt file.  Note that there were also
a couple of files that had to be fixed because they had violated
the comments rules (ex. blank line at head of file or in the case of
xmlwriter.cpp a comment line //=========  which drove the strip
function nuts.  These were fixed.  This has been compiled and tested
on windows.

//%2004////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
// Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
// IBM Corp.; EMC Corporation, The Open Group.
// Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
// ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
// "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
// LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//==============================================================================
//
// Author: Nitin Upasani, Hewlett-Packard Company (Nitin_Upasani@hp.com)
//
// Modified By: Sushma Fernandes, 
//                 Hewlett-Packard Company (sushma_fernandes@hp.com)
//            : Yi Zhou Hewlett-Packard Company (yi_zhou@hp.com)
//
//%/////////////////////////////////////////////////////////////////////////////

#include <Pegasus/Common/Config.h>
#include <cstdlib>
//#include <dlfcn.h>
#include <Pegasus/Common/Destroyer.h>
#include <Pegasus/Common/System.h>
#include <Pegasus/Common/FileSystem.h>
#include "HandlerTable.h"

PEGASUS_NAMESPACE_BEGIN

HandlerTable::HandlerTable()
{

}

CIMHandler* HandlerTable::lookupHandler(const String& handlerId)
{
    for (Uint32 i = 0, n = _handlers.size(); i < n; i++)
	if (String::equal(_handlers[i].handlerId, handlerId))
	    return _handlers[i].handler;

    return 0;
}

typedef CIMHandler* (*CreateHandlerFunc)();

CIMHandler* HandlerTable::loadHandler(const String& handlerId)
{
    String fileName = ConfigManager::getHomedPath(PEGASUS_DEST_LIB_DIR) +
        String("/") + FileSystem::buildLibraryFileName(handlerId);

    DynamicLibraryHandle libraryHandle = 
	System::loadDynamicLibrary(fileName.getCString());

    if (!libraryHandle) {
#ifdef PEGASUS_OS_TYPE_WINDOWS
	throw DynamicLoadFailed(fileName);
#else
        String errorMsg = System::dynamicLoadError();
	throw DynamicLoadFailed(errorMsg);
#endif
    }

    // Lookup the create handler symbol:

    String functionName = "PegasusCreateHandler_";
    functionName.append(handlerId);

    CreateHandlerFunc func = (CreateHandlerFunc)System::loadDynamicSymbol(
	libraryHandle, functionName.getCString());

    if (!func)
	throw DynamicLookupFailed(functionName);

    // Create the handler:

    CIMHandler* handler = func();

    if (!handler)
	throw CreateHandlerReturnedNull(
	    fileName, 
	    functionName);

    if (handler)
    {
	Entry entry;
	entry.handlerId = handlerId;
	entry.handler = handler;
	_handlers.append(entry);
    }

    return handler;
}

PEGASUS_NAMESPACE_END