/*
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neon-image - Image extensions to Neon
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Copyright (C) 2024 Ulrich Hilger
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package de.uhilger.neon.image;
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import java.io.File;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Iterator;
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import java.util.List;
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/**
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* Eine Klasse zur Erzeugung verkleinerter sowie Base64-enkodierter Fassungen
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* einer Bilddatei innerhalb eines Threads.
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*
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* @author Ulrich Hilger
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* @version 1, 14.06.2021
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*/
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public class ImageThread extends Thread {
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private List<ThreadListener> listeners;
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private final File dir;
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private final File toFile;
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private final String relName;
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private final String indicator;
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private final int size;
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private final Datei datei;
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private final String ext;
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public ImageThread(File dir, String relName, String indicator, int size, File toFile, Datei datei, String ext) {
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super();
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listeners = new ArrayList();
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this.dir = dir;
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this.relName = relName;
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this.indicator = indicator;
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this.size = size;
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this.toFile = toFile;
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this.datei = datei;
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this.ext = ext;
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}
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protected void sendFinished() {
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Iterator<ThreadListener> i = listeners.iterator();
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while (i.hasNext()) {
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ThreadListener listener = i.next();
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listener.finished();
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}
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}
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protected void clear() {
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sendFinished();
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listeners.clear();
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listeners = null;
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}
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/**
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* starten mit
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*
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* <pre>
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* Thread p = new ImageThread(..);
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* p.start();
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* </pre>
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*/
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@Override
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public void run() {
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try {
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ImageWorker be = new ImageWorker();
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be.createImage(dir, relName, indicator, size, toFile);
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be.setImgSrc(datei, ext, toFile);
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clear();
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} catch (IOException ex) {
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//Logger.getLogger(ImageThread.class.getName()).log(Level.SEVERE, null, ex);
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clear();
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}
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}
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public void addListener(ThreadListener listener) {
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listeners.add(listener);
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}
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public void removeListener(ThreadListener listener) {
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listeners.remove(listener);
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}
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public interface ThreadListener {
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public void finished();
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}
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}
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