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120 lines
3.1 KiB
Java
120 lines
3.1 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 2009-2023, 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.io.IOException;
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import net.sourceforge.plantuml.security.SFile;
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import net.sourceforge.plantuml.security.SecurityUtils;
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public class FileSystem {
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private final static FileSystem singleton = new FileSystem();
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private ThreadLocal<String> currentDir = new ThreadLocal<>();
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private FileSystem() {
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reset();
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}
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public static FileSystem getInstance() {
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return singleton;
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}
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public void setCurrentDir(SFile dir) {
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if (dir == null) {
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this.currentDir.set(null);
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} else {
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Log.info("Setting current dir: " + dir.getAbsolutePath());
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this.currentDir.set(dir.getAbsolutePath());
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}
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}
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public SFile getCurrentDir() {
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final String path = this.currentDir.get();
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if (path != null) {
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return new SFile(path);
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}
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return null;
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}
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public SFile getFile(String nameOrPath) throws IOException {
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if (isAbsolute(nameOrPath)) {
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return new SFile(nameOrPath).getCanonicalFile();
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}
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final SFile dir = getCurrentDir();
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SFile filecurrent = null;
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if (dir != null) {
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filecurrent = dir.getAbsoluteFile().file(nameOrPath);
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if (filecurrent.exists()) {
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return filecurrent.getCanonicalFile();
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}
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}
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for (SFile d : SecurityUtils.getPath(SecurityUtils.PATHS_INCLUDES)) {
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assert d.isDirectory();
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final SFile file = d.file(nameOrPath);
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if (file.exists()) {
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return file.getCanonicalFile();
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}
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}
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for (SFile d : SecurityUtils.getPath(SecurityUtils.PATHS_CLASSES)) {
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assert d.isDirectory();
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final SFile file = d.file(nameOrPath);
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if (file.exists()) {
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return file.getCanonicalFile();
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}
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}
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if (dir == null) {
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assert filecurrent == null;
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return new SFile(nameOrPath).getCanonicalFile();
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}
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assert filecurrent != null;
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return filecurrent;
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}
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private boolean isAbsolute(String nameOrPath) {
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final SFile f = new SFile(nameOrPath);
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return f.isAbsolute();
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}
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public void reset() {
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setCurrentDir(new SFile("."));
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}
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}
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