Moved the extension into geyser-api

api/geyser/src/main/java/org/geysermc/geyser/api/extension/Extension.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2019-2022 GeyserMC. http://geysermc.org
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @author GeyserMC
+ * @link https://github.com/GeyserMC/Geyser
+ */
+
+package org.geysermc.geyser.api.extension;
+
+import org.geysermc.api.GeyserApiBase;
+import java.io.File;
+import java.io.InputStream;
+
+public interface Extension {
+    void onLoad();
+    void onEnable();
+    void onDisable();
+
+    boolean isEnabled();
+    boolean isDisabled();
+
+    File dataFolder();
+    ExtensionDescription description();
+    String name();
+
+    InputStream getResource(String filename);
+    void saveResource(String filename, boolean replace);
+
+    ClassLoader classLoader();
+    ExtensionLoader extensionLoader();
+    ExtensionLogger logger();
+    GeyserApiBase geyserApi();
+}

api/geyser/src/main/java/org/geysermc/geyser/api/extension/ExtensionDescription.java

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2019-2022 GeyserMC. http://geysermc.org
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @author GeyserMC
+ * @link https://github.com/GeyserMC/Geyser
+ */
+
+package org.geysermc.geyser.api.extension;
+
+import java.util.*;
+
+public interface ExtensionDescription {
+    String name();
+    String main();
+    List<String> ApiVersions();
+    String version();
+    List<String> authors();
+}

api/geyser/src/main/java/org/geysermc/geyser/api/extension/ExtensionLoader.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2019-2022 GeyserMC. http://geysermc.org
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @author GeyserMC
+ * @link https://github.com/GeyserMC/Geyser
+ */
+
+package org.geysermc.geyser.api.extension;
+
+import org.geysermc.geyser.api.extension.exception.InvalidDescriptionException;
+import org.geysermc.geyser.api.extension.exception.InvalidExtensionException;
+
+import java.io.File;
+import java.util.regex.Pattern;
+
+public interface ExtensionLoader {
+    GeyserExtension loadExtension(File file) throws InvalidExtensionException;
+    ExtensionDescription extensionDescription(File file) throws InvalidDescriptionException;
+    Pattern[] extensionFilters();
+    Class<?> classByName(final String name) throws ClassNotFoundException;
+    void enableExtension(Extension extension);
+    void disableExtension(Extension extension);
+}

api/geyser/src/main/java/org/geysermc/geyser/api/extension/ExtensionLogger.java

@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2019-2022 GeyserMC. http://geysermc.org
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @author GeyserMC
+ * @link https://github.com/GeyserMC/Geyser
+ */
+
+package org.geysermc.geyser.api.extension;
+
+public interface ExtensionLogger {
+    /**
+     * Get the logger prefix
+     * @return the logger prefix
+     */
+    String prefix();
+
+    /**
+     * Logs a severe message to console
+     *
+     * @param message the message to log
+     */
+    void severe(String message);
+
+    /**
+     * Logs a severe message and an exception to console
+     *
+     * @param message the message to log
+     * @param error the error to throw
+     */
+    void severe(String message, Throwable error);
+
+    /**
+     * Logs an error message to console
+     *
+     * @param message the message to log
+     */
+    void error(String message);
+
+    /**
+     * Logs an error message and an exception to console
+     *
+     * @param message the message to log
+     * @param error the error to throw
+     */
+    void error(String message, Throwable error);
+
+    /**
+     * Logs a warning message to console
+     *
+     * @param message the message to log
+     */
+    void warning(String message);
+
+    /**
+     * Logs an info message to console
+     *
+     * @param message the message to log
+     */
+    void info(String message);
+
+    /**
+     * Logs a debug message to console
+     *
+     * @param message the message to log
+     */
+    void debug(String message);
+
+    /**
+     * If debug is enabled for this logger
+     */
+    boolean isDebug();
+}

api/geyser/src/main/java/org/geysermc/geyser/api/extension/GeyserExtension.java

@@ -0,0 +1,183 @@
+/*
+ * Copyright (c) 2019-2022 GeyserMC. http://geysermc.org
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @author GeyserMC
+ * @link https://github.com/GeyserMC/Geyser
+ */
+
+package org.geysermc.geyser.api.extension;
+
+import org.geysermc.api.GeyserApiBase;
+import java.io.*;
+import java.net.URL;
+import java.net.URLConnection;
+
+public class GeyserExtension implements Extension {
+    private boolean initialized = false;
+    private boolean enabled = false;
+    private File file = null;
+    private File dataFolder = null;
+    private ClassLoader classLoader = null;
+    private ExtensionLoader loader;
+    private ExtensionLogger logger;
+    private ExtensionDescription description = null;
+    private GeyserApiBase api = null;
+
+    @Override
+    public void onLoad() {
+    }
+
+    @Override
+    public void onEnable() {
+    }
+
+    @Override
+    public void onDisable() {
+    }
+
+    @Override
+    public boolean isEnabled() {
+        return this.enabled;
+    }
+
+    public void setEnabled(boolean value) {
+        if (this.enabled != value) {
+            this.enabled = value;
+            if (this.enabled) {
+                onEnable();
+            } else {
+                onDisable();
+            }
+        }
+    }
+
+    @Override
+    public boolean isDisabled() {
+        return !this.enabled;
+    }
+
+    @Override
+    public File dataFolder() {
+        return this.dataFolder;
+    }
+
+    @Override
+    public ExtensionDescription description() {
+        return this.description;
+    }
+
+    @Override
+    public String name() {
+        return this.description.name();
+    }
+
+    public void init(GeyserApiBase api, ExtensionLogger logger, ExtensionLoader loader, ExtensionDescription description, File dataFolder, File file) {
+        if (!this.initialized) {
+            this.initialized = true;
+            this.file = file;
+            this.dataFolder = dataFolder;
+            this.classLoader = this.getClass().getClassLoader();
+            this.loader = loader;
+            this.logger = logger;
+            this.description = description;
+            this.api = api;
+        }
+    }
+
+    @Override
+    public InputStream getResource(String filename) {
+        if (filename == null) {
+            throw new IllegalArgumentException("Filename cannot be null");
+        }
+
+        try {
+            URL url = this.classLoader.getResource(filename);
+
+            if (url == null) {
+                return null;
+            }
+
+            URLConnection connection = url.openConnection();
+            connection.setUseCaches(false);
+            return connection.getInputStream();
+        } catch (IOException ex) {
+            return null;
+        }
+    }
+
+    @Override
+    public void saveResource(String filename, boolean replace) {
+        if (filename == null || filename.equals("")) {
+            throw new IllegalArgumentException("ResourcePath cannot be null or empty");
+        }
+
+        filename = filename.replace('\\', '/');
+        InputStream in = getResource(filename);
+        if (in == null) {
+            throw new IllegalArgumentException("The embedded resource '" + filename + "' cannot be found in " + file);
+        }
+
+        File outFile = new File(dataFolder, filename);
+        int lastIndex = filename.lastIndexOf('/');
+        File outDir = new File(dataFolder, filename.substring(0, Math.max(lastIndex, 0)));
+
+        if (!outDir.exists()) {
+            outDir.mkdirs();
+        }
+
+        try {
+            if (!outFile.exists() || replace) {
+                OutputStream out = new FileOutputStream(outFile);
+                byte[] buf = new byte[1024];
+                int len;
+                while ((len = in.read(buf)) > 0) {
+                    out.write(buf, 0, len);
+                }
+                out.close();
+                in.close();
+            } else {
+                this.logger.warning("Could not save " + outFile.getName() + " to " + outFile + " because " + outFile.getName() + " already exists.");
+            }
+        } catch (IOException ex) {
+            this.logger.severe("Could not save " + outFile.getName() + " to " + outFile, ex);
+        }
+    }
+
+    @Override
+    public ClassLoader classLoader() {
+        return this.classLoader;
+    }
+
+    @Override
+    public ExtensionLoader extensionLoader() {
+        return this.loader;
+    }
+
+    @Override
+    public ExtensionLogger logger() {
+        return this.logger;
+    }
+
+    @Override
+    public GeyserApiBase geyserApi() {
+        return this.api;
+    }
+}

api/geyser/src/main/java/org/geysermc/geyser/api/extension/exception/InvalidDescriptionException.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2019-2022 GeyserMC. http://geysermc.org
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @author GeyserMC
+ * @link https://github.com/GeyserMC/Geyser
+ */
+
+package org.geysermc.geyser.api.extension.exception;
+
+public class InvalidDescriptionException extends Exception {
+    public InvalidDescriptionException(Throwable cause) {
+        super(cause);
+    }
+
+    public InvalidDescriptionException(String message) {
+        super(message);
+    }
+
+    public InvalidDescriptionException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}

api/geyser/src/main/java/org/geysermc/geyser/api/extension/exception/InvalidExtensionException.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2019-2022 GeyserMC. http://geysermc.org
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @author GeyserMC
+ * @link https://github.com/GeyserMC/Geyser
+ */
+
+package org.geysermc.geyser.api.extension.exception;
+
+public class InvalidExtensionException extends Exception {
+    public InvalidExtensionException(Throwable cause) {
+        super(cause);
+    }
+
+    public InvalidExtensionException(String message) {
+        super(message);
+    }
+
+    public InvalidExtensionException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}