| commit | author | age | ||
| 70d888 | 1 | /* |
| U | 2 | http-image - Image extensions to jdk.httpserver |
| 3 | Copyright (C) 2021 Ulrich Hilger | |
| 4 | ||
| 5 | This program is free software: you can redistribute it and/or modify | |
| 6 | it under the terms of the GNU Affero General Public License as | |
| 7 | published by the Free Software Foundation, either version 3 of the | |
| 8 | License, or (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 Affero General Public License for more details. | |
| 14 | ||
| 15 | You should have received a copy of the GNU Affero General Public License | |
| 16 | along with this program. If not, see <https://www.gnu.org/licenses/>. | |
| 17 | */ | |
| 18 | package de.uhilger.httpserver.image; | |
| 19 | ||
| 20 | import java.io.File; | |
| 21 | import java.io.IOException; | |
| 22 | import java.util.ArrayList; | |
| 23 | import java.util.Iterator; | |
| 24 | import java.util.List; | |
| 25 | import java.util.logging.Level; | |
| 26 | import java.util.logging.Logger; | |
| 27 | ||
| 28 | /** | |
| 29 | * Eine Klasse zur Erzeugung verkleinerter sowie Base64-enkodierter Fassungen | |
| 30 | * einer Bilddatei innerhalb eines Threads. | |
| 31 | * | |
| 32 | * @author Ulrich Hilger | |
| 33 | * @version 1, 14.06.2021 | |
| 34 | */ | |
| 35 | public class ImageThread extends Thread { | |
| 36 | ||
| 37 | private List<ThreadListener> listeners; | |
| 38 | private File dir; | |
| 39 | private File toFile; | |
| 40 | private String relName; | |
| 41 | private String indicator; | |
| 42 | private int size; | |
| 43 | private Datei datei; | |
| 44 | private String ext; | |
| 45 | ||
| 46 | public ImageThread(File dir, String relName, String indicator, int size, File toFile, Datei datei, String ext) { | |
| 47 | super(); | |
| 48 | listeners = new ArrayList(); | |
| 49 | this.dir = dir; | |
| 50 | this.relName = relName; | |
| 51 | this.indicator = indicator; | |
| 52 | this.size = size; | |
| 53 | this.toFile = toFile; | |
| 54 | this.datei = datei; | |
| 55 | this.ext = ext; | |
| 56 | } | |
| 57 | ||
| 58 | protected void sendFinished() { | |
| 59 | Iterator<ThreadListener> i = listeners.iterator(); | |
| 60 | while (i.hasNext()) { | |
| 61 | ThreadListener listener = i.next(); | |
| 62 | listener.finished(); | |
| 63 | } | |
| 64 | } | |
| 65 | ||
| 66 | protected void clear() { | |
| 67 | sendFinished(); | |
| 68 | listeners.clear(); | |
| 69 | listeners = null; | |
| 70 | } | |
| 71 | ||
| 72 | /** | |
| 73 | * starten mit | |
| 74 | * | |
| 75 | * <pre> | |
| 76 | * Thread p = new ImageThread(..); | |
| 77 | * p.start(); | |
| 78 | * </pre> | |
| 79 | */ | |
| 80 | @Override | |
| 81 | public void run() { | |
| 82 | try { | |
| 83 | ImageActor be = new ImageActor(); | |
| 84 | be.createImage(dir, relName, indicator, size, toFile); | |
| 85 | be.setImgSrc(datei, ext, toFile); | |
| 86 | clear(); | |
| 87 | } catch (IOException ex) { | |
| 88 | Logger.getLogger(ImageThread.class.getName()).log(Level.SEVERE, null, ex); | |
| 89 | clear(); | |
| 90 | } | |
| 91 | } | |
| 92 | ||
| 93 | public void addListener(ThreadListener listener) { | |
| 94 | listeners.add(listener); | |
| 95 | } | |
| 96 | ||
| 97 | public void removeListener(ThreadListener listener) { | |
| 98 | listeners.remove(listener); | |
| 99 | } | |
| 100 | ||
| 101 | public interface ThreadListener { | |
| 102 | ||
| 103 | public void finished(); | |
| 104 | } | |
| 105 | ||
| 106 | } | |
