/*
 *    GeoTools - The Open Source Java GIS Toolkit
 *    http://geotools.org
 *
 *    (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License as published by the Free Software Foundation;
 *    version 2.1 of the License.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 *
 */
package org.geotools.gce.arcgrid;

import java.io.File;
import java.io.FileFilter;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.logging.Logger;

import javax.imageio.ImageIO;
import javax.media.jai.JAI;

import junit.framework.TestCase;

import org.geotools.TestData;

/**
 * @author Giannecchini
 * 
 *
 * @source $URL$
 */
public abstract class ArcGridBaseTestCase extends TestCase {

	protected final static Logger LOGGER = org.geotools.util.logging.Logging.getLogger(ArcGridBaseTestCase.class.toString());

	protected File[] testFiles;

	public ArcGridBaseTestCase(String name) {

		super(name);

	}

	protected void setUp() throws Exception {
		super.setUp();

		ImageIO.setUseCache(false);
		JAI.getDefaultInstance().getTileCache().setMemoryCapacity(
				10 * 1024 * 1024);
		JAI.getDefaultInstance().getTileCache().setMemoryThreshold(1.0f);

		JAI.getDefaultInstance().getTileScheduler().setParallelism(50);
		JAI.getDefaultInstance().getTileScheduler().setPrefetchParallelism(50);
		JAI.getDefaultInstance().getTileScheduler().setPrefetchPriority(5);
		JAI.getDefaultInstance().getTileScheduler().setPriority(5);

		// check that it exisits
		File file = TestData.copy(this, "arcgrid/arcgrid.zip");
		assertTrue(file.exists());

		// unzip it
		TestData.unzipFile(this, "arcgrid/arcgrid.zip");

		testFiles = TestData.file(this, "arcgrid/").listFiles(new FileFilter() {

			public boolean accept(File pathname) {

				return new ArcGridFormat().accepts(pathname);
			}
		});
	}

	protected void tearDown() throws Exception {
		final File[] fileList = TestData.file(this, "").listFiles();
		final int length = fileList.length;
		for (int i = 0; i < length; i++) {
			if (fileList[i].isDirectory()) {
				fileList[i].delete();

				continue;
			}

			if (!fileList[i].getName().endsWith("zip")) {
				fileList[i].delete();
			}
		}
		super.tearDown();
	}

	public void testAll() throws Exception {

		final StringBuffer errors = new StringBuffer();
		final int length = testFiles.length;
		for (int i = 0; i < length; i++) {

			try {
				runMe(testFiles[i]);

			} catch (Exception e) {
				// e.printStackTrace();
				final StringWriter writer = new StringWriter();
				e.printStackTrace(new PrintWriter(writer));
				errors.append("\nFile ").append(testFiles[i].getAbsolutePath())
						.append(" :\n").append(e.getMessage()).append("\n")
						.append(writer.toString());
			}
		}

		if (errors.length() > 0) {
			fail(errors.toString());
		}
	}

	public abstract void runMe(File file) throws Exception;
}