kwl.cpp

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#include <iostream>

#include "base/common/ossimCommon.h"
#include "base/data_types/ossimFilename.h"
#include "base/data_types/ossimKeywordlist.h"
#include "base/factory/ossimObjectFactoryRegistry.h"
#include "init/ossimInit.h"

using namespace std;

ossimObject* createObject(const ossimString& objectType);
void demo1();
void demo2();
void demo3();

int main(int argc, char* argv[])
{
   ossimInit::instance()->initialize(argc, argv);

   cout << "_______________________________DEMO 1__________________________\n";
   demo1();
   
   cout << "_______________________________DEMO 2__________________________\n";
   demo2();

   cout << "_______________________________DEMO 3__________________________\n";
   demo3();
   
   ossimInit::instance()->finalize();
   
   return 0;
}


ossimObject* createObject(const ossimString& objectType)
{
   return ossimObjectFactoryRegistry::instance()->createObject(objectType);
}

void demo1()
{
   ossimObject* obj1 = createObject("ossimRgbToGreyFilter");
   if(obj1)
   {
      ossimKeywordlist kwl;
      
      obj1->saveState(kwl);

      cout << "------------------ object 1 = " << obj1->getClassName() << " keyword list is -----------------" << endl;
      cout << kwl << endl;

      kwl.clear();
      cout << "------------------ object 1 = " << obj1->getClassName() << " keyword list with prefix  -----------------" << endl;
      obj1->saveState(kwl, "object1.");
      cout << kwl << endl;
      
   }
   else
   {
      cout << "This shouldn't happen" << endl;
   }
}

void demo2()
{
   ossimObject* obj1 = createObject("ossimRgbToGreyFilter");
   ossimObject* obj2 = createObject("ossimBrightnessContrastSource");
   if(obj1&&obj2)
   {
      ossimKeywordlist kwl;
      
      obj1->saveState(kwl, "object1.");
      obj2->saveState(kwl, "object2.");

      cout << "Objects " << obj1->getClassName() << " and "
           << obj2->getClassName() << " saved to the same keywordlist."
           << endl;

      cout << kwl << endl;
   }
   else
   {
      cout << "This shouldn't happen" << endl;
   }
   
}

void demo3()
{
   ossimObject* obj  = createObject("ossimRgbToGreyFilter");
   ossimObject* proj = createObject("ossimUtmProjection");
   
   if(obj&&proj)
   {
      ossimKeywordlist kwl;
      obj->saveState(kwl);
      ossimObject* objNew = ossimObjectFactoryRegistry::instance()->createObject(kwl);

      if(objNew)
      {
         ossimKeywordlist kwl2;
         objNew->saveState(kwl2);

         cout << "____________________ The Original object " << obj->getClassName() << " ___________________" << endl;
         cout << kwl << endl;
         cout << "____________________ The New object " << objNew->getClassName() << " ___________________" << endl;
         cout << kwl2 << endl;

         delete objNew;
      }
      else
      {
         cout << "ERROR: This shouldn't happen" << endl;
      }
      kwl.clear();

      proj->saveState(kwl);
      objNew = ossimObjectFactoryRegistry::instance()->createObject(kwl);

      if(objNew)
      {
         ossimKeywordlist kwl2;
         objNew->saveState(kwl2);

         cout << "____________________ The Original object " << proj->getClassName() << " ___________________" << endl;
         cout << kwl << endl;
         cout << "____________________ The New object " << objNew->getClassName() << " ___________________" << endl;
         cout << kwl2 << endl;

         delete objNew;
      }
      else
      {
         cout << "ERROR: This shouldn't happen" << endl;
      }
      
      delete obj;
      delete proj;
   }
   else
   {
      cout << "This shouldn't happen" << endl;
   }
   
}