init: Create MiaoNashorn Project...

.gitignore

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+# Eclipse stuff
+/.settings
+
+# netbeans
+/nbproject
+
+# we use maven!
+/build.xml
+
+# maven
+/target
+/repo
+
+# vim
+.*.sw[a-p]
+
+# various other potential build files
+/build
+/bin
+/dist
+/manifest.mf
+
+# Mac filesystem dust
+*.DS_Store
+
+# intellij
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# Project Stuff
+/src/main/resources/Soulbound
+
+# Atlassian Stuff
+/atlassian-ide-plugin.xml
+
+# Eclipse
+.project
+.classpath
+.factorypath
+.settings
+
+# Visual Studio Code
+.vscode
+
+# NodeJs PHP LOCK File
+*.lock
+
+# PHP Vendor
+vendor/
+
+# Minecraft Data
+/world
+**/node_modules/

README.md

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+# MiaoNashorn
+
+> 用于 Java14+ 环境下 自动加载Nashorn引擎

pom.xml

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+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>pw.yumc</groupId>
+    <artifactId>MiaoNashorn</artifactId>
+    <version>0.0.1</version>
+    <developers>
+        <developer>
+            <id>502647092</id>
+            <name>MiaoWoo</name>
+            <email>admin@yumc.pw</email>
+            <url>http://www.yumc.pw</url>
+        </developer>
+    </developers>
+    <build>
+        <finalName>${project.artifactId}</finalName>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <excludes>
+                    <exclude>dev-plugins/**</exclude>
+                </excludes>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+    </build>
+    <ciManagement>
+        <system>Jenkins</system>
+        <url>https://ci.yumc.pw/job/Minecraft/job/${project.artifactId}/</url>
+    </ciManagement>
+    <properties>
+        <env.GIT_COMMIT>DEV</env.GIT_COMMIT>
+        <update.changes>
+        </update.changes>
+        <update.changelog>
+        </update.changelog>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+        <repo.url>https://repo.yumc.pw</repo.url>
+    </properties>
+    <repositories>
+        <repository>
+            <id>yumc-repo</id>
+            <url>${repo.url}/repository/maven-public/</url>
+        </repository>
+        <repository>
+            <id>sponge</id>
+            <url>https://repo.spongepowered.org/maven/</url>
+        </repository>
+    </repositories>
+    <pluginRepositories>
+        <pluginRepository>
+            <id>yumc-repo</id>
+            <url>${repo.url}/repository/maven-public/</url>
+        </pluginRepository>
+    </pluginRepositories>
+    <distributionManagement>
+        <repository>
+            <id>jtb</id>
+            <name>YUMC</name>
+            <url>${repo.url}/repository/yumcenter/</url>
+        </repository>
+    </distributionManagement>
+    <dependencies>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <version>1.18.18</version>
+        </dependency>
+        <dependency>
+            <groupId>org.spigotmc</groupId>
+            <artifactId>spigot-api</artifactId>
+            <version>1.16.2-R0.1-SNAPSHOT</version>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.spongepowered</groupId>
+            <artifactId>spongeapi</artifactId>
+            <version>7.2.0</version>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>net.md-5</groupId>
+            <artifactId>bungeecord-api</artifactId>
+            <version>1.16-R0.4-SNAPSHOT</version>
+        </dependency>
+        <dependency>
+            <groupId>cn.nukkit</groupId>
+            <artifactId>nukkit</artifactId>
+            <version>2.0.0-SNAPSHOT</version>
+            <scope>compile</scope>
+        </dependency>
+    </dependencies>
+</project>

src/main/java/pw/yumc/MiaoNashorn/MiaoNashorn.java

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+package pw.yumc.MiaoNashorn;
+
+import sun.misc.Unsafe;
+
+import javax.script.ScriptEngine;
+import javax.script.ScriptEngineManager;
+import java.io.File;
+import java.lang.invoke.MethodHandle;
+import java.lang.invoke.MethodHandles;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+import java.net.URL;
+import java.nio.file.Files;
+import java.nio.file.StandardCopyOption;
+
+/**
+ * 喵式脚本
+ *
+ * @author 喵♂呜
+ * @since 2016年8月29日 上午7:50:39
+ */
+public class MiaoNashorn {
+    private static String MavenRepo = "https://maven.aliyun.com/repository/public";
+    private static final Object ucp;
+    private static final MethodHandle addURLMethodHandle;
+
+    static {
+        try {
+            ClassLoader loader = Thread.currentThread().getContextClassLoader();
+            Field theUnsafe = sun.misc.Unsafe.class.getDeclaredField("theUnsafe");
+            theUnsafe.setAccessible(true);
+            Unsafe unsafe = (Unsafe) theUnsafe.get(null);
+            Field field = MethodHandles.Lookup.class.getDeclaredField("IMPL_LOOKUP");
+            MethodHandles.Lookup lookup = (MethodHandles.Lookup) unsafe.getObject(unsafe.staticFieldBase(field), unsafe.staticFieldOffset(field));
+            Field ucpField;
+            try {
+                ucpField = loader.getClass().getDeclaredField("ucp");
+            } catch (NoSuchFieldException e) {
+                ucpField = loader.getClass().getSuperclass().getDeclaredField("ucp");
+            }
+            long offset = unsafe.objectFieldOffset(ucpField);
+            ucp = unsafe.getObject(loader, offset);
+            Method method = ucp.getClass().getDeclaredMethod("addURL", URL.class);
+            addURLMethodHandle = lookup.unreflect(method);
+            createEngine();
+        } catch (Throwable e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public static void log(String format, Object... args) {
+        System.out.println("[MiaoNashorn] " + String.format(format, args));
+    }
+
+    private static void createEngine() throws Throwable {
+        String extDirs = System.getProperty("java.ext.dirs");
+        if (extDirs != null) {
+            String[] dirs = extDirs.split(File.pathSeparator);
+            for (String dir : dirs) {
+                File nashorn = new File(dir, "nashorn.jar");
+                if (nashorn.exists()) {
+                    loadJar(nashorn);
+                    System.out.println("扩展目录发现 Nashorn 已加载完成!");
+                }
+            }
+        } else {
+            loadLocalNashorn();
+        }
+    }
+
+    private static void loadLocalNashorn() throws Throwable {
+        File libRootFile = new File("plugins/MiaoNashorn", "libs");
+        libRootFile.mkdirs();
+        log("从云端加载 Nashorn 请稍候...");
+        String libRoot = libRootFile.getCanonicalPath();
+        downloadJar(libRoot, "org.openjdk.nashorn", "nashorn-core", "15.2");
+        downloadJar(libRoot, "org.ow2.asm", "asm", "9.1");
+        downloadJar(libRoot, "org.ow2.asm", "asm-commons", "9.1");
+        downloadJar(libRoot, "org.ow2.asm", "asm-tree", "9.1");
+        downloadJar(libRoot, "org.ow2.asm", "asm-util", "9.1");
+        log("云端 Nashorn 已加载完成!");
+    }
+
+    private static void loadJar(File file) throws Throwable {
+        addURLMethodHandle.invoke(ucp, file.toURI().toURL());
+    }
+
+    private static void downloadJar(String engineRoot, String groupId, String artifactId, String version) throws Throwable {
+        File lib = new File(engineRoot, artifactId + ".jar");
+        if (!lib.exists()) {
+            log("正在下载类库 %s 版本 %s 请稍候...", artifactId, version);
+            Files.copy(new URL(MavenRepo +
+                            String.format("/%1$s/%2$s/%3$s/%2$s-%3$s.jar",
+                                    groupId.replace(".", "/"),
+                                    artifactId,
+                                    version)
+                    ).openStream(),
+                    lib.toPath(),
+                    StandardCopyOption.REPLACE_EXISTING);
+        }
+        loadJar(lib);
+    }
+}

src/main/java/pw/yumc/MiaoNashorn/MiaoNashornBukkit.java

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+package pw.yumc.MiaoNashorn;
+
+import org.bukkit.plugin.java.JavaPlugin;
+
+/**
+ * 喵式脚本
+ *
+ * @author 喵♂呜
+ * @since 2016年8月29日 上午7:50:39
+ */
+public class MiaoNashornBukkit extends JavaPlugin {
+    public MiaoNashornBukkit() {
+        new MiaoNashorn();
+    }
+}

src/main/java/pw/yumc/MiaoNashorn/MiaoNashornBungee.java

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+package pw.yumc.MiaoNashorn;
+
+import net.md_5.bungee.api.plugin.Plugin;
+
+/**
+ * Created with IntelliJ IDEA
+ *
+ * @author MiaoWoo
+ * Created on 2020/1/14 16:02.
+ */
+public class MiaoNashornBungee extends Plugin {
+    public MiaoNashornBungee() {
+        new MiaoNashorn();
+    }
+}

src/main/java/pw/yumc/MiaoNashorn/MiaoNashornNukkit.java

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+package pw.yumc.MiaoNashorn;
+
+import cn.nukkit.plugin.PluginBase;
+
+/**
+ * @author MiaoWoo
+ */
+public class MiaoNashornNukkit extends PluginBase {
+    public MiaoNashornNukkit() {
+        new MiaoNashorn();
+    }
+}

src/main/java/pw/yumc/MiaoNashorn/MiaoNashornSponge.java

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+package pw.yumc.MiaoNashorn;
+
+import org.spongepowered.api.plugin.Plugin;
+
+/**
+ * Created with IntelliJ IDEA
+ *
+ * @author 喵♂呜
+ * Created on 2017/10/25 20:35.
+ */
+@Plugin(id = "miaonashorn", name = "MiaoNashorn", version = "1.0", authors = "MiaoWoo")
+public class MiaoNashornSponge {
+    public MiaoNashornSponge() {
+        new MiaoNashorn();
+    }
+}

src/main/resources/bungee.yml

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+name: ${project.artifactId}
+description: ${project.description}
+main: ${project.groupId}.${project.artifactId}.${project.artifactId}Bungee
+version: ${project.version}
+author: MiaoWoo

src/main/resources/nukkit.yml

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+name: ${project.artifactId}
+description: ${project.description}
+main: ${project.groupId}.${project.artifactId}.${project.artifactId}Nukkit
+version: ${project.version}
+api: "1.0.0"
+author: MiaoWoo

src/main/resources/plugin.yml

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+name: ${project.artifactId}
+description: ${project.description}
+main: ${project.groupId}.${project.artifactId}.${project.artifactId}Bukkit
+version: ${project.version}
+api-version: 1.13
+author: MiaoWoo
+website: ${ciManagement.url}
+load: STARTUP