mirror of https://github.com/octoleo/plantuml.git
150 lines
4.8 KiB
Java
150 lines
4.8 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.command;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.zip.ZipEntry;
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import java.util.zip.ZipInputStream;
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import javax.imageio.ImageIO;
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import net.sourceforge.plantuml.FileSystem;
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import net.sourceforge.plantuml.FileUtils;
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import net.sourceforge.plantuml.LineLocation;
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import net.sourceforge.plantuml.Log;
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import net.sourceforge.plantuml.UmlDiagram;
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import net.sourceforge.plantuml.command.regex.IRegex;
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import net.sourceforge.plantuml.command.regex.RegexConcat;
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import net.sourceforge.plantuml.command.regex.RegexLeaf;
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import net.sourceforge.plantuml.command.regex.RegexResult;
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import net.sourceforge.plantuml.preproc.FileWithSuffix;
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import net.sourceforge.plantuml.sprite.Sprite;
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import net.sourceforge.plantuml.sprite.SpriteImage;
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import net.sourceforge.plantuml.sprite.SpriteSvg;
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public class CommandSpriteFile extends SingleLineCommand2<UmlDiagram> {
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public CommandSpriteFile() {
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super(getRegexConcat());
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}
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private static IRegex getRegexConcat() {
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return RegexConcat.build(CommandSpriteFile.class.getName(), RegexLeaf.start(), //
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new RegexLeaf("sprite"), //
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RegexLeaf.spaceOneOrMore(), //
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new RegexLeaf("\\$?"), //
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new RegexLeaf("NAME", "([\\p{L}0-9_]+)"), //
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RegexLeaf.spaceOneOrMore(), //
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new RegexLeaf("FILE", "(.*)"), RegexLeaf.end());
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}
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@Override
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protected CommandExecutionResult executeArg(UmlDiagram system, LineLocation location, RegexResult arg) {
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final String src = arg.get("FILE", 0);
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final Sprite sprite;
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try {
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if (src.startsWith("jar:")) {
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final String inner = src.substring(4) + ".png";
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final InputStream is = SpriteImage.getInternalSprite(inner);
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if (is == null) {
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return CommandExecutionResult.error("No such internal sprite: " + inner);
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}
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sprite = new SpriteImage(ImageIO.read(is));
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} else if (src.contains("~")) {
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final int idx = src.lastIndexOf("~");
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final File f = FileSystem.getInstance().getFile(src.substring(0, idx));
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if (f.exists() == false) {
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return CommandExecutionResult.error("File does not exist: " + src);
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}
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final String name = src.substring(idx + 1);
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sprite = getImageFromZip(f, name);
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if (sprite == null) {
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return CommandExecutionResult.error("No image " + name + " in " + FileWithSuffix.getFileName(f));
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}
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} else {
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final File f = FileSystem.getInstance().getFile(src);
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if (f.exists() == false) {
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return CommandExecutionResult.error("File does not exist: " + src);
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}
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if (isSvg(f.getName())) {
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sprite = new SpriteSvg(f);
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} else {
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sprite = new SpriteImage(FileUtils.ImageIO_read(f));
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}
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}
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} catch (IOException e) {
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Log.error("Error reading " + src + " " + e);
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return CommandExecutionResult.error("Cannot read: " + src);
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}
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system.addSprite(arg.get("NAME", 0), sprite);
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return CommandExecutionResult.ok();
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}
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private Sprite getImageFromZip(File f, String name) throws IOException {
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ZipInputStream zis = null;
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try {
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zis = new ZipInputStream(new FileInputStream(f));
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ZipEntry ze = zis.getNextEntry();
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while (ze != null) {
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final String fileName = ze.getName();
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if (ze.isDirectory()) {
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} else if (fileName.equals(name)) {
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if (isSvg(name)) {
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return new SpriteSvg(FileUtils.readSvg(zis));
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} else {
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return new SpriteImage(ImageIO.read(zis));
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}
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}
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ze = zis.getNextEntry();
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}
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} finally {
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if (zis != null) {
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zis.closeEntry();
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zis.close();
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}
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}
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return null;
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}
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private boolean isSvg(String name) {
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return name.toLowerCase().endsWith(".svg");
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}
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}
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