java/sql-dk/src/info/globalcode/sql/dk/InfoLister.java
author František Kučera <franta-hg@frantovo.cz>
Mon, 16 Dec 2013 20:20:54 +0100
branchv_0
changeset 17 d8ab8aece6f2
parent 16 5b8fcd35d4d6
child 18 7900bb1666f6
permissions -rw-r--r--
license option: --license
     1 /**
     2  * SQL-DK
     3  * Copyright © 2013 František Kučera (frantovo.cz)
     4  *
     5  * This program is free software: you can redistribute it and/or modify
     6  * it under the terms of the GNU General Public License as published by
     7  * the Free Software Foundation, either version 3 of the License, or
     8  * (at your option) any later version.
     9  *
    10  * This program is distributed in the hope that it will be useful,
    11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    13  * GNU General Public License for more details.
    14  *
    15  * You should have received a copy of the GNU General Public License
    16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
    17  */
    18 package info.globalcode.sql.dk;
    19 
    20 import java.io.BufferedReader;
    21 import java.io.InputStreamReader;
    22 import java.io.PrintStream;
    23 import java.util.EnumSet;
    24 import java.util.logging.Level;
    25 import java.util.logging.Logger;
    26 
    27 /**
    28  * Displays info like help, version etc.
    29  *
    30  * @author Ing. František Kučera (frantovo.cz)
    31  */
    32 public class InfoLister {
    33 
    34 	private static final Logger log = Logger.getLogger(InfoLister.class.getName());
    35 	private PrintStream out;
    36 
    37 	public InfoLister(PrintStream out) {
    38 		this.out = out;
    39 	}
    40 
    41 	public void showInfo(CLIOptions options) {
    42 		EnumSet<CLIOptions.INFO_TYPE> infoTypes = options.getShowInfo();
    43 		for (CLIOptions.INFO_TYPE infoType : infoTypes) {
    44 			switch (infoType) {
    45 				/**
    46 				 * TODO: implement show info
    47 				 */
    48 				case FORMATTERS:
    49 					println("TODO: list available formatters");
    50 					break;
    51 				case HELP:
    52 					println("TODO: show some help");
    53 					break;
    54 				case LICENSE:
    55 					printLicense();
    56 					break;
    57 				case TYPES:
    58 					println("TODO: list supported types");
    59 					break;
    60 				case VERSION:
    61 					println("TODO: show version");
    62 					break;
    63 				case DATABASES:
    64 					println("TODO: list databases");
    65 					break;
    66 				case CONNECTION:
    67 					println("TODO: test database connection: " + options.getDatabaseNameToTest());
    68 					break;
    69 				default:
    70 					throw new IllegalArgumentException("Unsupported INFO_TYPE: " + infoType);
    71 			}
    72 		}
    73 	}
    74 
    75 	private void printLicense() {
    76 		try (BufferedReader license = new BufferedReader(new InputStreamReader(getClass().getClassLoader().getResourceAsStream("info/globalcode/sql/dk/license.txt")))) {
    77 			while (true) {
    78 				String line = license.readLine();
    79 				if (line == null) {
    80 					break;
    81 				} else {
    82 					println(line);
    83 				}
    84 			}
    85 		} catch (Exception e) {
    86 			log.log(Level.SEVERE, "Unable to print license. See our website for license information.", e);
    87 		}
    88 	}
    89 
    90 	private void println(String line) {
    91 		out.println(line);
    92 	}
    93 }