/**

  * copy-image-resizer

  * Copyright © 2014 František Kučera (frantovo.cz)

  *

  * This program is free software: you can redistribute it and/or modify

  * it under the terms of the GNU General Public License as published by

  * the Free Software Foundation, either version 3 of the License, or

  * (at your option) any later version.

  *

  * This program 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 General Public License for more details.

  *

  * You should have received a copy of the GNU General Public License

  * along with this program. If not, see <http://www.gnu.org/licenses/>.

  */

 package cz.frantovo.copyImageResizer;

 import java.io.File;

 import java.util.ArrayList;

 import java.util.Collection;

 /**

  *

  * @author Ing. František Kučera (frantovo.cz)

  */

 public class RecursiveOptions {

 	/**

 	 * Source directory

 	 */

 	private File input;

 	/**

 	 * Output directory

 	 */

 	private File output;

 	/**

 	 * Image resolutions to create

 	 */

 	private final Collection<SizeSpecification> sizes = new ArrayList<>();

 	/**

 	 * Whether errors (while resizing/copying particular images) should be just logged and skipped.

 	 */

 	private boolean skipErrors;

 	public File getInput() {

 		return input;

 	}

 	public void setInput(File input) {

 		this.input = input;

 	}

 	public File getOutput() {

 		return output;

 	}

 	public void setOutput(File output) {

 		this.output = output;

 	}

 	public Collection<SizeSpecification> getSizes() {

 		return sizes;

 	}

 	public void addSize(SizeSpecification size) {

 		sizes.add(size);

 	}

 	public boolean isSkipErrors() {

 		return skipErrors;

 	}

 	public void setSkipErrors(boolean skipErrors) {

 		this.skipErrors = skipErrors;

 	}

 	public void validate() throws InvalidOptionsException {

 		InvalidOptionsException e = new InvalidOptionsException();

 		if (input == null) {

 			e.addProblem(new InvalidOptionsException.OptionProblem("input directory must be specified"));

 		} else if (!input.isDirectory()) {

 			e.addProblem(new InvalidOptionsException.OptionProblem("input directory must exist and be a directory: " + input));

 		}

 		if (output == null) {

 			e.addProblem(new InvalidOptionsException.OptionProblem("output directory must be specified"));

 		}

 		if (sizes.isEmpty()) {

 			e.addProblem(new InvalidOptionsException.OptionProblem("at least one size (output resolution) must be specified"));

 		}

 		if (e.hasProblems()) {

 			throw e;

 		}

 	}

 }