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8c0195970b
* Consistenty use javax annotations. - Unfortunately jetbrains annotations seem to be exposed transitively via core somewhere, but with the correct IDE settings, annotations can be defaulted to javax - Cleaning up of import order in #1195 - Must be merged before #1195 * Add and apply .editorconfig from P2 - Does not rearrange entries * Address some comments * add back some javadoc comments * Address final comments Co-authored-by: NotMyFault <mc.cache@web.de>
113 lines
3.4 KiB
Java
113 lines
3.4 KiB
Java
/*
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* WorldEdit, a Minecraft world manipulation toolkit
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* Copyright (C) sk89q <http://www.sk89q.com>
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* Copyright (C) WorldEdit team and contributors
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*
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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 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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* 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 General Public License for more details.
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*
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* You should have received a copy of the GNU 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 com.sk89q.worldedit;
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import javax.annotation.Nullable;
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import java.io.IOException;
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import java.io.UncheckedIOException;
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import java.net.JarURLConnection;
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import java.net.URL;
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import java.util.function.Supplier;
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import java.util.jar.Attributes;
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import java.util.jar.Manifest;
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/**
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* Represents WorldEdit info from the MANIFEST.MF file.
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*/
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public class WorldEditManifest {
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public static final String WORLD_EDIT_VERSION = "WorldEdit-Version";
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public static final String WORLD_EDIT_KIND = "WorldEdit-Kind";
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public enum Kind {
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MOD("mods"),
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PLUGIN("plugins"),
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UNKNOWN("mods/plugins"),
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;
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public final String folderName;
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Kind(String folderName) {
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this.folderName = folderName;
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}
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}
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public static WorldEditManifest load() {
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Attributes attributes = readAttributes();
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Kind kind;
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try {
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kind = Kind.valueOf(readAttribute(attributes, WORLD_EDIT_KIND, () -> "UNKNOWN"));
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} catch (IllegalArgumentException e) {
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kind = Kind.UNKNOWN;
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}
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return new WorldEditManifest(
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readAttribute(attributes, WORLD_EDIT_VERSION, () -> "(unknown)"),
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kind
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);
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}
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@Nullable
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private static Attributes readAttributes() {
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Class<WorldEditManifest> clazz = WorldEditManifest.class;
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String className = clazz.getSimpleName() + ".class";
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String classPath = clazz.getResource(className).toString();
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if (!classPath.startsWith("jar")) {
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return null;
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}
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try {
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URL url = new URL(classPath);
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JarURLConnection jarConnection = (JarURLConnection) url.openConnection();
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Manifest manifest = jarConnection.getManifest();
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return manifest.getMainAttributes();
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} catch (IOException e) {
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throw new UncheckedIOException(e);
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}
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}
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private static String readAttribute(
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@Nullable Attributes attributes, String name,
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Supplier<String> defaultAction
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) {
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if (attributes == null) {
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return defaultAction.get();
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}
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String value = attributes.getValue(name);
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return value != null ? value : defaultAction.get();
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}
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private final String worldEditVersion;
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private final Kind worldEditKind;
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private WorldEditManifest(String worldEditVersion, Kind worldEditKind) {
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this.worldEditVersion = worldEditVersion;
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this.worldEditKind = worldEditKind;
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}
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public String getWorldEditVersion() {
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return worldEditVersion;
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}
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public Kind getWorldEditKind() {
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return worldEditKind;
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}
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}
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