Package ucar.nc2.iosp.grib

Source Code of ucar.nc2.iosp.grib.TestGridGribIosp$NetcdfFileSPI

/*
* Copyright 1998-2009 University Corporation for Atmospheric Research/Unidata
*
* Portions of this software were developed by the Unidata Program at the
* University Corporation for Atmospheric Research.
*
* Access and use of this software shall impose the following obligations
* and understandings on the user. The user is granted the right, without
* any fee or cost, to use, copy, modify, alter, enhance and distribute
* this software, and any derivative works thereof, and its supporting
* documentation for any purpose whatsoever, provided that this entire
* notice appears in all copies of the software, derivative works and
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* UCAR/Unidata in any publications that result from the use of this
* software or in any product that includes this software. The names UCAR
* and/or Unidata, however, may not be used in any advertising or publicity
* to endorse or promote any products or commercial entity unless specific
* written permission is obtained from UCAR/Unidata. The user also
* understands that UCAR/Unidata is not obligated to provide the user with
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*
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* DISCLAIMED. IN NO EVENT SHALL UCAR/UNIDATA BE LIABLE FOR ANY SPECIAL,
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* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE ACCESS, USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/**
*
* By:   Robb Kambic
* Date: Mar 10, 2009
* Time: 10:12:28 AM
*
*/

package ucar.nc2.iosp.grib;

import ucar.nc2.iosp.IOServiceProvider;
import ucar.nc2.util.CompareNetcdf;
import ucar.nc2.util.CancelTask;
import ucar.nc2.NetcdfFile;
import ucar.nc2.TestAll;
import ucar.unidata.io.RandomAccessFile;

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

import junit.framework.TestCase;

public class TestGridGribIosp extends TestCase {

  public TestGridGribIosp(String name) {
    super(name);
  }

  public void utestCompare() throws IOException {

    String dirB1 = TestAll.cdmUnitTestDir + "test/motherlode/grid/grib/binary";
    String dirB2 = TestAll.cdmUnitTestDir + "test/motherlode/grid/grib/text";
    File dir = new File(dirB1);

    System.out.println("In directory " + dir.getParent() + "/" + dir.getName());
    String[] children = dir.list();
    for (String child : children) {
      //System.out.println( "children i ="+ children[ i ]);
      File aChild = new File(dir, child);
      //System.out.println( "child ="+ child.getName() );
      if (aChild.isDirectory()) {
        // skip index *gbx and inventory *xml files
      } else if (
              child.contains("ECMWF") ||
                      child.contains("1p25") ||
                      child.contains("OCEAN") ||
                      child.contains("SPECTRAL") ||
                      child.contains("SST") ||
                      child.contains("ukm") ||
                      child.contains("UKM") ||
                      child.contains("Ensemble") || // Generating Process ID are Strings
                      child.endsWith("gbx") ||
                      child.endsWith("gbx8") ||
                      child.endsWith("xml") ||
                      child.endsWith("tmp") || //index in creation process
                      child.length() == 0) { // zero length file, ugh...
      } else {
        System.out.println("\n\nComparing File " + child);
        compareNC(dirB1 + "/" + child, dirB2 + "/" + child);
      }
    }
  }

  void compareNC(String fileBinary, String fileText) throws IOException {

    long start = System.currentTimeMillis();

    Class c = ucar.nc2.iosp.grib.GribGridServiceProvider.class;
    IOServiceProvider spiB = null;
    try {
      spiB = (IOServiceProvider) c.newInstance();
    } catch (InstantiationException e) {
      throw new IOException("IOServiceProvider " + c.getName() + "must have no-arg constructor.");
    } catch (IllegalAccessException e) {
      throw new IOException("IOServiceProvider " + c.getName() + " IllegalAccessException: " + e.getMessage());
    }
    ucar.unidata.io.RandomAccessFile rafB = new ucar.unidata.io.RandomAccessFile(fileBinary, "r");
    rafB.order(ucar.unidata.io.RandomAccessFile.BIG_ENDIAN);
    NetcdfFile ncfileBinary = new NetcdfFileSPI(spiB, rafB, fileBinary, null);
    //System.out.println( "Time to create Netcdf object using GridGrib Iosp "+
    //  (System.currentTimeMillis() - start) );
    System.out.println("Binary Netcdf created");

    start = System.currentTimeMillis();

    IOServiceProvider spiT = null;
    try {
      spiT = (IOServiceProvider) c.newInstance();
    } catch (InstantiationException e) {
      throw new IOException("IOServiceProvider " + c.getName() + "must have no-arg constructor.");
    } catch (IllegalAccessException e) {
      throw new IOException("IOServiceProvider " + c.getName() + " IllegalAccessException: " + e.getMessage());
    }
    ucar.unidata.io.RandomAccessFile rafT = new ucar.unidata.io.RandomAccessFile(fileText, "r");
    rafT.order(ucar.unidata.io.RandomAccessFile.BIG_ENDIAN);
    NetcdfFile ncfileText = new NetcdfFileSPI(spiT, rafT, fileText, null);

    System.out.println("Text Netcdf created");

    //System.out.println( "Time to create Netcdf object using Grid1 Grib2 Iosp "+
    //  (System.currentTimeMillis() - start) );
    // org,  copy,  _compareData,  _showCompare,  _showEach
    //ucar.nc2.TestCompare.compareFiles(ncfileBinary, ncfileText, true, true, true);
    CompareNetcdf.compareFiles(ncfileBinary, ncfileText, false, true, false);
    ncfileBinary.close();
    ncfileText.close();
  }

  private static class NetcdfFileSPI extends NetcdfFile {
    NetcdfFileSPI(IOServiceProvider spi, RandomAccessFile raf, String location, CancelTask cancelTask) throws IOException {
      super(spi, raf, location, cancelTask);
    }
  }

  static public void main(String args[]) throws IOException {
    TestGridGribIosp ggi = new TestGridGribIosp("");
    ggi.utestCompare();
  }
}
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