mirror of https://github.com/octoleo/plantuml.git
127 lines
4.0 KiB
Java
127 lines
4.0 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.sprite;
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import static java.nio.charset.StandardCharsets.UTF_8;
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import java.io.IOException;
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import java.net.URISyntaxException;
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import java.net.URL;
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import java.net.URLDecoder;
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import java.util.Collections;
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import java.util.Enumeration;
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import java.util.Set;
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import java.util.TreeSet;
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import java.util.jar.JarEntry;
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import java.util.jar.JarFile;
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import net.sourceforge.plantuml.log.Logme;
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import net.sourceforge.plantuml.security.SFile;
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import net.sourceforge.plantuml.version.Version;
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public class ResourcesUtils {
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public static Set<String> getJarFile(String path, boolean folder) throws IOException {
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if (path.startsWith("/") || path.endsWith("/")) {
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throw new IllegalArgumentException();
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}
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final String protocol = getProtocol();
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if ("file".equals(protocol)) {
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final URL local = Version.class.getClassLoader().getResource(path);
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try {
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return listEntry(new SFile(local.toURI()));
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} catch (URISyntaxException e) {
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Logme.error(e);
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return null;
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}
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}
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if ("jar".equals(protocol)) {
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final String classFile = Version.class.getName().replace(".", "/") + ".class";
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final URL versionURL = Version.class.getClassLoader().getResource(classFile);
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final String jarPath = versionURL.getPath().substring(5, versionURL.getPath().indexOf("!"));
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if (folder) {
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return listFolders(new JarFile(URLDecoder.decode(jarPath, UTF_8.name())), path + "/");
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} else {
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return listFiles(new JarFile(URLDecoder.decode(jarPath, UTF_8.name())), path + "/");
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}
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}
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return Collections.<String>emptySet();
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}
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private static String getProtocol() {
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final URL resource = Version.class.getClassLoader().getResource("net/sourceforge/plantuml/version/logo.png");
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return resource.getProtocol();
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}
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private static Set<String> listFiles(JarFile jarFile, String path) {
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final Enumeration<JarEntry> entries = jarFile.entries();
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final Set<String> result = new TreeSet<>();
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while (entries.hasMoreElements()) {
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final String name = entries.nextElement().getName();
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if (name.startsWith(path)) {
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result.add(name.substring(path.length()));
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}
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}
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return result;
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}
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private static Set<String> listFolders(JarFile jarFile, String path) {
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final Enumeration<JarEntry> entries = jarFile.entries();
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final Set<String> result = new TreeSet<>();
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while (entries.hasMoreElements()) {
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final String name = entries.nextElement().getName();
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if (name.startsWith(path)) {
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final String folder = name.substring(path.length());
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final int x = folder.indexOf('/');
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if (x != -1) {
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result.add(folder.substring(0, x));
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}
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}
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}
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return result;
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}
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private static Set<String> listEntry(SFile dir) {
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final Set<String> result = new TreeSet<>();
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for (String n : dir.list()) {
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result.add(n);
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}
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return result;
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}
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}
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