franta-hg@2: /**
franta-hg@2:  * copy-image-resizer
franta-hg@2:  * Copyright © 2014 František Kučera (frantovo.cz)
franta-hg@2:  *
franta-hg@2:  * This program is free software: you can redistribute it and/or modify
franta-hg@2:  * it under the terms of the GNU General Public License as published by
franta-hg@2:  * the Free Software Foundation, either version 3 of the License, or
franta-hg@2:  * (at your option) any later version.
franta-hg@2:  *
franta-hg@2:  * This program is distributed in the hope that it will be useful,
franta-hg@2:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
franta-hg@2:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
franta-hg@2:  * GNU General Public License for more details.
franta-hg@2:  *
franta-hg@2:  * You should have received a copy of the GNU General Public License
franta-hg@2:  * along with this program. If not, see <http://www.gnu.org/licenses/>.
franta-hg@2:  */
franta-hg@4: package cz.frantovo.copyImageResizer.cli;
franta-hg@2: 
franta-hg@12: import cz.frantovo.copyImageResizer.Counters;
franta-hg@12: import cz.frantovo.copyImageResizer.InvalidOptionsException;
franta-hg@5: import cz.frantovo.copyImageResizer.RecursiveException;
franta-hg@5: import cz.frantovo.copyImageResizer.RecursiveImageResizer;
franta-hg@5: import cz.frantovo.copyImageResizer.RecursiveOptions;
franta-hg@5: import cz.frantovo.copyImageResizer.ResizeException;
franta-hg@5: import java.util.logging.Level;
franta-hg@12: import java.util.logging.LogRecord;
franta-hg@5: import java.util.logging.Logger;
franta-hg@5: 
franta-hg@2: /**
franta-hg@2:  *
franta-hg@2:  * @author Ing. František Kučera (frantovo.cz)
franta-hg@2:  */
franta-hg@3: public class CLIStarter {
franta-hg@2: 
franta-hg@5: 	private static final Logger log = Logger.getLogger(CLIStarter.class.getName());
franta-hg@5: 
franta-hg@18: 	// help:exit-codes
franta-hg@18: 	public static final int EXIT_SUCCESS = 0; // doc:success
franta-hg@18: 	public static final int EXIT_UNEXPECTED_ERROR = 1; // doc:unexpected error (probably bug)
franta-hg@18: 	// 2 is reserved: http://www.tldp.org/LDP/abs/html/exitcodes.html#EXITCODESREF
franta-hg@18: 	//public static final int EXIT_SQL_ERROR = 3; // ___:SQL error
franta-hg@18: 	public static final int EXIT_CLI_PARSE_ERROR = 4; // doc:CLI options parse error
franta-hg@18: 	public static final int EXIT_CLI_VALIDATE_ERROR = 5; // doc:CLI options validation error
franta-hg@18: 	//public static final int EXIT_CONFIGURATION_ERROR = 6; // ___:configuration error
franta-hg@18: 	public static final int EXIT_IMAGE_ERROR = 7; // doc:image error
franta-hg@18: 	public static final int EXIT_RECURSIVE_ERROR = 8; // doc:recursive error
franta-hg@18: 
franta-hg@2: 	public static void main(String[] args) {
franta-hg@5: 
franta-hg@18: 		int exitCode;
franta-hg@18: 
franta-hg@5: 		try {
franta-hg@5: 			CLIParser parser = new CLIParser();
franta-hg@5: 			RecursiveOptions options = parser.parseOptions(args);
franta-hg@12: 			options.validate();
franta-hg@11: 			RecursiveImageResizer resizer = new RecursiveImageResizer(options);
franta-hg@12: 			Counters counters = resizer.resize();
franta-hg@18: 
franta-hg@18: 			if (options.getErrorMode() == RecursiveOptions.ERROR_MODE.SILENT_SKIP || counters.get(Counters.COUNTER_TYPE.SKIPPED_ERROR) == 0) {
franta-hg@18: 				log.log(Level.INFO, "Recursive copy/resize succesfully finished. {0}", counters);
franta-hg@18: 				exitCode = EXIT_SUCCESS;
franta-hg@18: 			} else {
franta-hg@18: 				log.log(Level.SEVERE, "Recursive copy/resize finished with errors. {0}", counters);
franta-hg@18: 				exitCode = EXIT_IMAGE_ERROR;
franta-hg@18: 			}
franta-hg@5: 		} catch (CLIParserException e) {
franta-hg@5: 			log.log(Level.SEVERE, "Unable to parse CLI options", e);
franta-hg@18: 			exitCode = EXIT_CLI_PARSE_ERROR;
franta-hg@12: 		} catch (InvalidOptionsException e) {
franta-hg@12: 			log.log(Level.SEVERE, "Invalid CLI options", e);
franta-hg@12: 			for (InvalidOptionsException.OptionProblem p : e.getProblems()) {
franta-hg@12: 				LogRecord r = new LogRecord(Level.SEVERE, "Option problem: {0}");
franta-hg@12: 				r.setThrown(p.getException());
franta-hg@12: 				r.setParameters(new Object[]{p.getDescription()});
franta-hg@12: 				log.log(r);
franta-hg@12: 			}
franta-hg@18: 			exitCode = EXIT_CLI_VALIDATE_ERROR;
franta-hg@5: 		} catch (RecursiveException e) {
franta-hg@5: 			log.log(Level.SEVERE, "Error while processing filesystem hierarchy", e);
franta-hg@18: 			exitCode = EXIT_RECURSIVE_ERROR;
franta-hg@5: 		} catch (ResizeException e) {
franta-hg@5: 			log.log(Level.SEVERE, "Error while resizing image", e);
franta-hg@18: 			exitCode = EXIT_IMAGE_ERROR;
franta-hg@5: 		}
franta-hg@18: 
franta-hg@18: 		System.exit(exitCode);
franta-hg@2: 	}
franta-hg@5: 
franta-hg@2: }