/* Copyright 2010 ESRI
* 
* All rights reserved under the copyright laws of the United States
* and applicable international laws, treaties, and conventions.
* 
* You may freely redistribute and use this sample code, with or
* without modification, provided you include the original copyright
* notice and use restrictions.
* 
* See the use restrictions.
* 
*/
/* Copyright 2010 ESRI
* 
* All rights reserved under the copyright laws of the United States
* and applicable international laws, treaties, and conventions.
* 
* You may freely redistribute and use this sample code, with or
* without modification, provided you include the original copyright
* notice and use restrictions.
* 
* See the use restrictions at <your ArcGIS install location>/DeveloperKit10.0/userestrictions.txt.
* 
*/
package arcgissamples.raster;

import java.io.File;
import java.io.IOException;

import com.esri.arcgis.datasourcesraster.RasterDataset;
import com.esri.arcgis.datasourcesraster.RasterWorkspace;
import com.esri.arcgis.datasourcesraster.RasterWorkspaceFactory;
import com.esri.arcgis.system.AoInitialize;
import com.esri.arcgis.system.EngineInitializer;


public class BuildPyramids
{
  public static void main(String[] args)
  {
    System.out.println("Starting BuildPyramids - An ArcObjects Java SDK Developer Sample");
    try
    {
      // Initialize the engine and licenses.
      EngineInitializer.initializeEngine();

      AoInitialize aoInit = new AoInitialize();
      initializeArcGISLicenses(aoInit);

      //Get DEVKITHOME Home
      String devKitHome = System.getenv("AGSDEVKITJAVA");

      String path = devKitHome + File.separator + "java" + 
                     File.separator + "samples" + 
                     File.separator + "data" + 
                     File.separator + "raster";

      String name = "dem1";

      BuildPyramids thisSampleApp = new BuildPyramids();
      thisSampleApp.buildPyramids(path, name);

      aoInit.shutdown();
    }
    catch (Exception e)
    {
      e.printStackTrace();
    }
  }

  /**
   * Create a reduced-resolution dataset (pyramid) on a raster dataset.
   * 
   * @param path
   *            path to raster dataset on disk
   * @param name
   *            raster dataset name
   * @throws IOException
   *             if couldn't create the pyramid
   */
  private void buildPyramids(String path, String name) throws IOException
  {
    RasterDataset rasterDataset = null;

    // Get a raster dataset upon which to create the reduced-resolution dataset, by calling create,
    // which is from the IRasterPyramids interface.
    System.out.println("Opening raster data...");
    try
    {
      RasterWorkspaceFactory rasterWorkspaceFactory = new RasterWorkspaceFactory();
      RasterWorkspace rasterWorkspace = new RasterWorkspace(rasterWorkspaceFactory.openFromFile(path, 0));
      rasterDataset = (RasterDataset) rasterWorkspace.openRasterDataset(name);
    }
    catch (IOException e)
    {
      System.out.println("Couldn't access data.");
      throw e;
    }

    // Check that the rasterdataset doesn't already have a pyramid,
    if (rasterDataset.isPresent())
    {
      System.out.println("Reduced-resolution dataset already exists for " + rasterDataset.getCompleteName());
    }
    System.out.println("Creating reduced-resolution dataset ...");
    try
    {
      rasterDataset.create();
    }
    catch (IOException e)
    {
      System.out.println("Couldn't create reduced-resolution dataset.");
      throw e;
    }
    System.out.println("Done creating reduced-resolution dataset for " + rasterDataset.getCompleteName());
  }

  /**
   * Initializes the lowest available ArcGIS License
   */

  static void initializeArcGISLicenses(AoInitialize ao) {
    try {
      
      if (ao.isProductCodeAvailable(com.esri.arcgis.system.esriLicenseProductCode.esriLicenseProductCodeEngine) == com.esri.arcgis.system.esriLicenseStatus.esriLicenseAvailable)
        ao.initialize(com.esri.arcgis.system.esriLicenseProductCode.esriLicenseProductCodeEngine);
      else if (ao.isProductCodeAvailable(com.esri.arcgis.system.esriLicenseProductCode.esriLicenseProductCodeArcView) == com.esri.arcgis.system.esriLicenseStatus.esriLicenseAvailable)
        ao.initialize(com.esri.arcgis.system.esriLicenseProductCode.esriLicenseProductCodeArcView);
      else if (ao.isProductCodeAvailable(com.esri.arcgis.system.esriLicenseProductCode.esriLicenseProductCodeArcEditor) == com.esri.arcgis.system.esriLicenseStatus.esriLicenseAvailable)
        ao.initialize(com.esri.arcgis.system.esriLicenseProductCode.esriLicenseProductCodeArcEditor);
      else if (ao.isProductCodeAvailable(com.esri.arcgis.system.esriLicenseProductCode.esriLicenseProductCodeArcInfo) == com.esri.arcgis.system.esriLicenseStatus.esriLicenseAvailable)
        ao.initialize(com.esri.arcgis.system.esriLicenseProductCode.esriLicenseProductCodeArcInfo);
      else
      {
        System.err.println("Could not initialize an Engine, ArcView, ArcEditor, or ArcInfo license. Exiting application.");
        System.exit(-1);
      }  

    } catch (Exception e) {
      e.printStackTrace();
    }
  }
}