mirror of https://github.com/octoleo/plantuml.git
118 lines
3.7 KiB
Java
118 lines
3.7 KiB
Java
/* ========================================================================
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* PlantUML : a free UML diagram generator
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* ========================================================================
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*
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* (C) Copyright 2009-2020, Arnaud Roques
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*
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* Project Info: http://plantuml.com
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*
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* If you like this project or if you find it useful, you can support us at:
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*
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* http://plantuml.com/patreon (only 1$ per month!)
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* http://plantuml.com/paypal
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*
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* This file is part of PlantUML.
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*
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* PlantUML is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* PlantUML distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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* License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*
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*
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* Original Author: Arnaud Roques
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*
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*
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*/
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package net.sourceforge.plantuml;
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import java.awt.Toolkit;
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import java.awt.datatransfer.Clipboard;
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import java.awt.datatransfer.DataFlavor;
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import java.awt.datatransfer.Transferable;
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import java.awt.datatransfer.UnsupportedFlavorException;
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import java.awt.image.BufferedImage;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import net.sourceforge.plantuml.core.DiagramDescription;
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import net.sourceforge.plantuml.security.ImageIO;
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public class ClipboardLoop {
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public static void runLoop() throws IOException, InterruptedException {
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final ClipboardLoop clipboardLoop = new ClipboardLoop();
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while (true) {
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final String text = clipboardLoop.getClipboardText();
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if (clipboardLoop.isTextOk(text)) {
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clipboardLoop.runText(text);
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}
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Thread.sleep(10000L);
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}
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}
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public static void runOnce() throws IOException, InterruptedException {
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final ClipboardLoop clipboardLoop = new ClipboardLoop();
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final String text = clipboardLoop.getClipboardText();
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if (clipboardLoop.isTextOk(text)) {
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clipboardLoop.runText(text);
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} else {
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clipboardLoop.setClipboardImage(new BufferedImage(10, 10, BufferedImage.TYPE_INT_ARGB));
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}
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}
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private boolean isTextOk(String text) {
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if (text == null) {
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return false;
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}
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return text.startsWith("@start");
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}
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private void runText(String text) throws IOException, InterruptedException {
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Log.info("Getting some text from clipboard");
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final SourceStringReader source = new SourceStringReader(text);
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final ByteArrayOutputStream baos = new ByteArrayOutputStream();
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final DiagramDescription desc = source.outputImage(baos);
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if (desc == null) {
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Log.info("No image generated");
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} else {
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Log.info("Image ok " + desc.getDescription());
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baos.close();
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final BufferedImage image = ImageIO.read(baos.toByteArray());
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setClipboardImage(image);
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Log.info("Image copied in clipboard");
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}
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}
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private String getClipboardText() {
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final Transferable t = Toolkit.getDefaultToolkit().getSystemClipboard().getContents(null);
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try {
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if (t != null && t.isDataFlavorSupported(DataFlavor.stringFlavor)) {
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final String text = (String) t.getTransferData(DataFlavor.stringFlavor);
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return text;
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}
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} catch (UnsupportedFlavorException e) {
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Log.error(e.toString());
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} catch (IOException e) {
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Log.error(e.toString());
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}
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return null;
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}
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private void setClipboardImage(BufferedImage image) {
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final Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
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clipboard.setContents(new ImageSelection(image), null);
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}
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}
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