diff options
Diffstat (limited to 'libraries/launcher/org/prismlauncher/utils')
5 files changed, 378 insertions, 72 deletions
diff --git a/libraries/launcher/org/prismlauncher/utils/Parameters.java b/libraries/launcher/org/prismlauncher/utils/Parameters.java index 98a40c28..6365753e 100644 --- a/libraries/launcher/org/prismlauncher/utils/Parameters.java +++ b/libraries/launcher/org/prismlauncher/utils/Parameters.java @@ -1,46 +1,84 @@ +// SPDX-License-Identifier: GPL-3.0-only /* - * Copyright 2012-2021 MultiMC Contributors + * Prism Launcher - Minecraft Launcher + * Copyright (C) 2022 icelimetea <fr3shtea@outlook.com> + * Copyright (C) 2022 TheKodeToad <TheKodeToad@proton.me> + * Copyright (C) 2022 solonovamax <solonovamax@12oclockpoint.com> * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, version 3. * - * http://www.apache.org/licenses/LICENSE-2.0 + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. + * Linking this library statically or dynamically with other modules is + * making a combined work based on this library. Thus, the terms and + * conditions of the GNU General Public License cover the whole + * combination. + * + * As a special exception, the copyright holders of this library give + * you permission to link this library with independent modules to + * produce an executable, regardless of the license terms of these + * independent modules, and to copy and distribute the resulting + * executable under terms of your choice, provided that you also meet, + * for each linked independent module, the terms and conditions of the + * license of that module. An independent module is a module which is + * not derived from or based on this library. If you modify this + * library, you may extend this exception to your version of the + * library, but you are not obliged to do so. If you do not wish to do + * so, delete this exception statement from your version. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + * + * This file incorporates work covered by the following copyright and + * permission notice: + * + * Copyright 2013-2021 MultiMC Contributors + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. */ package org.prismlauncher.utils; -import org.prismlauncher.exception.ParameterNotFoundException; - import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; +import org.prismlauncher.exception.ParameterNotFoundException; + public final class Parameters { - private final Map<String, List<String>> paramsMap = new HashMap<>(); + private final Map<String, List<String>> map = new HashMap<>(); public void add(String key, String value) { - List<String> params = paramsMap.get(key); + List<String> params = map.get(key); if (params == null) { params = new ArrayList<>(); - paramsMap.put(key, params); + map.put(key, params); } params.add(value); } - public List<String> all(String key) throws ParameterNotFoundException { - List<String> params = paramsMap.get(key); + public List<String> getList(String key) throws ParameterNotFoundException { + List<String> params = map.get(key); if (params == null) throw new ParameterNotFoundException(key); @@ -48,8 +86,8 @@ public final class Parameters { return params; } - public List<String> allSafe(String key, List<String> def) { - List<String> params = paramsMap.get(key); + public List<String> getList(String key, List<String> def) { + List<String> params = map.get(key); if (params == null || params.isEmpty()) return def; @@ -57,8 +95,8 @@ public final class Parameters { return params; } - public String first(String key) throws ParameterNotFoundException { - List<String> list = all(key); + public String getString(String key) throws ParameterNotFoundException { + List<String> list = getList(key); if (list.isEmpty()) throw new ParameterNotFoundException(key); @@ -66,8 +104,8 @@ public final class Parameters { return list.get(0); } - public String firstSafe(String key, String def) { - List<String> params = paramsMap.get(key); + public String getString(String key, String def) { + List<String> params = map.get(key); if (params == null || params.isEmpty()) return def; diff --git a/libraries/launcher/org/prismlauncher/utils/ReflectionUtils.java b/libraries/launcher/org/prismlauncher/utils/ReflectionUtils.java new file mode 100644 index 00000000..dd212ef9 --- /dev/null +++ b/libraries/launcher/org/prismlauncher/utils/ReflectionUtils.java @@ -0,0 +1,154 @@ +// SPDX-License-Identifier: GPL-3.0-only +/* + * Prism Launcher - Minecraft Launcher + * Copyright (C) 2022 icelimetea <fr3shtea@outlook.com> + * Copyright (C) 2022 solonovamax <solonovamax@12oclockpoint.com> + * Copyright (C) 2022 TheKodeToad <TheKodeToad@proton.me> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Linking this library statically or dynamically with other modules is + * making a combined work based on this library. Thus, the terms and + * conditions of the GNU General Public License cover the whole + * combination. + * + * As a special exception, the copyright holders of this library give + * you permission to link this library with independent modules to + * produce an executable, regardless of the license terms of these + * independent modules, and to copy and distribute the resulting + * executable under terms of your choice, provided that you also meet, + * for each linked independent module, the terms and conditions of the + * license of that module. An independent module is a module which is + * not derived from or based on this library. If you modify this + * library, you may extend this exception to your version of the + * library, but you are not obliged to do so. If you do not wish to do + * so, delete this exception statement from your version. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + * + * This file incorporates work covered by the following copyright and + * permission notice: + * + * Copyright 2013-2021 MultiMC Contributors + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.prismlauncher.utils; + +import java.applet.Applet; +import java.io.File; +import java.lang.invoke.MethodHandle; +import java.lang.invoke.MethodHandles; +import java.lang.invoke.MethodType; +import java.lang.reflect.Field; +import java.lang.reflect.Modifier; + +import org.prismlauncher.utils.logging.Log; + +public final class ReflectionUtils { + + private static final MethodHandles.Lookup LOOKUP = MethodHandles.lookup(); + private static final ClassLoader LOADER = ClassLoader.getSystemClassLoader(); + + /** + * Construct a Java applet by its class name. + * + * @param clazz The class name + * @return The applet instance + * @throws Throwable + */ + public static Applet createAppletClass(String clazz) throws Throwable { + Class<?> appletClass = LOADER.loadClass(clazz); + + MethodHandle appletConstructor = LOOKUP.findConstructor(appletClass, MethodType.methodType(void.class)); + return (Applet) appletConstructor.invoke(); + } + + /** + * Best guess of the game directory field within net.minecraft.client.Minecraft. + * Designed for legacy versions - newer versions do not use a static field. + * + * @param clazz The class + * @return The first field matching criteria + */ + public static Field findMinecraftGameDirField(Class<?> clazz) { + Log.debug("Resolving minecraft game directory field"); + + // search for private static File + for (Field field : clazz.getDeclaredFields()) { + if (field.getType() != File.class) { + continue; + } + + int fieldModifiers = field.getModifiers(); + + if (!Modifier.isStatic(fieldModifiers)) { + Log.debug("Rejecting field " + field.getName() + " because it is not static"); + continue; + } + + if (!Modifier.isPrivate(fieldModifiers)) { + Log.debug("Rejecting field " + field.getName() + " because it is not private"); + continue; + } + + if (Modifier.isFinal(fieldModifiers)) { + Log.debug("Rejecting field " + field.getName() + " because it is final"); + continue; + } + + Log.debug("Identified field " + field.getName() + " to match conditions for game directory field"); + + return field; + } + + return null; + } + + /** + * Gets the main method within a class. + * + * @param clazz The class + * @return A method matching the descriptor of a main method + * @throws ClassNotFoundException + * @throws NoSuchMethodException + * @throws IllegalAccessException + */ + public static MethodHandle findMainMethod(Class<?> clazz) throws NoSuchMethodException, IllegalAccessException { + return LOOKUP.findStatic(clazz, "main", MethodType.methodType(void.class, String[].class)); + } + + /** + * Gets the main method within a class by its name. + * + * @param clazz The class name + * @return A method matching the descriptor of a main method + * @throws ClassNotFoundException + * @throws NoSuchMethodException + * @throws IllegalAccessException + */ + public static MethodHandle findMainMethod(String clazz) + throws ClassNotFoundException, NoSuchMethodException, IllegalAccessException { + return findMainMethod(LOADER.loadClass(clazz)); + } + +} diff --git a/libraries/launcher/org/prismlauncher/utils/Utils.java b/libraries/launcher/org/prismlauncher/utils/Utils.java deleted file mode 100644 index ae9a4de2..00000000 --- a/libraries/launcher/org/prismlauncher/utils/Utils.java +++ /dev/null @@ -1,49 +0,0 @@ -/* - * Copyright 2012-2021 MultiMC Contributors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package org.prismlauncher.utils; - -import java.io.File; -import java.lang.reflect.Field; -import java.lang.reflect.Modifier; - -public final class Utils { - - private Utils() {} - - /** - * Finds a field that looks like a Minecraft base folder in a supplied class - * - * @param clazz the class to scan - */ - public static Field getMinecraftBaseDirField(Class<?> clazz) { - for (Field f : clazz.getDeclaredFields()) { - // Has to be File - if (f.getType() != File.class) - continue; - - // And Private Static. - if (!Modifier.isStatic(f.getModifiers()) || !Modifier.isPrivate(f.getModifiers())) - continue; - - return f; - } - - return null; - } - -} - diff --git a/libraries/launcher/org/prismlauncher/utils/logging/Level.java b/libraries/launcher/org/prismlauncher/utils/logging/Level.java new file mode 100644 index 00000000..552b0b55 --- /dev/null +++ b/libraries/launcher/org/prismlauncher/utils/logging/Level.java @@ -0,0 +1,59 @@ +// SPDX-License-Identifier: GPL-3.0-only +/* + * Prism Launcher - Minecraft Launcher + * Copyright (C) 2022 TheKodeToad <TheKodeToad@proton.me> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Linking this library statically or dynamically with other modules is + * making a combined work based on this library. Thus, the terms and + * conditions of the GNU General Public License cover the whole + * combination. + * + * As a special exception, the copyright holders of this library give + * you permission to link this library with independent modules to + * produce an executable, regardless of the license terms of these + * independent modules, and to copy and distribute the resulting + * executable under terms of your choice, provided that you also meet, + * for each linked independent module, the terms and conditions of the + * license of that module. An independent module is a module which is + * not derived from or based on this library. If you modify this + * library, you may extend this exception to your version of the + * library, but you are not obliged to do so. If you do not wish to do + * so, delete this exception statement from your version. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +package org.prismlauncher.utils.logging; + +public enum Level { + LAUNCHER("Launcher"), + DEBUG("Debug"), + INFO("Info"), + MESSAGE("Message"), + WARNING("Warning"), + ERROR("Error", true), + FATAL("Fatal", true); + + String name; + boolean stderr; + + Level(String name) { + this(name, false); + } + + Level(String name, boolean stderr) { + this.name = name; + this.stderr = stderr; + } + +} diff --git a/libraries/launcher/org/prismlauncher/utils/logging/Log.java b/libraries/launcher/org/prismlauncher/utils/logging/Log.java new file mode 100644 index 00000000..e3aa538b --- /dev/null +++ b/libraries/launcher/org/prismlauncher/utils/logging/Log.java @@ -0,0 +1,104 @@ +// SPDX-License-Identifier: GPL-3.0-only +/* + * Prism Launcher - Minecraft Launcher + * Copyright (C) 2022 TheKodeToad <TheKodeToad@proton.me> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Linking this library statically or dynamically with other modules is + * making a combined work based on this library. Thus, the terms and + * conditions of the GNU General Public License cover the whole + * combination. + * + * As a special exception, the copyright holders of this library give + * you permission to link this library with independent modules to + * produce an executable, regardless of the license terms of these + * independent modules, and to copy and distribute the resulting + * executable under terms of your choice, provided that you also meet, + * for each linked independent module, the terms and conditions of the + * license of that module. An independent module is a module which is + * not derived from or based on this library. If you modify this + * library, you may extend this exception to your version of the + * library, but you are not obliged to do so. If you do not wish to do + * so, delete this exception statement from your version. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +package org.prismlauncher.utils.logging; + +import java.io.PrintStream; + +/** + * Used to print messages with different levels used to colourise the output. + * Used instead of a logging framework, as the launcher knows how to parse these + * messages. + */ +public final class Log { + + // original before possibly overridden by MC + private static final PrintStream OUT = new PrintStream(System.out), ERR = new PrintStream(System.err); + private static final boolean DEBUG = Boolean.getBoolean("org.prismlauncher.debug"); + + public static void launcher(String message) { + log(message, Level.LAUNCHER); + } + + public static void error(String message) { + log(message, Level.ERROR); + } + + public static void debug(String message) { + log(message, Level.DEBUG); + } + + public static void warning(String message) { + log(message, Level.WARNING); + } + + public static void error(String message, Throwable e) { + error(message); + e.printStackTrace(ERR); + } + + public static void fatal(String message) { + log(message, Level.FATAL); + } + + public static void fatal(String message, Throwable e) { + fatal(message); + e.printStackTrace(ERR); + } + + /** + * Logs a message with the prefix <code>!![LEVEL]!</code>. This is picked up by + * the log viewer to give it nice colours. + * + * @param message The message + * @param level The level + */ + public static void log(String message, Level level) { + if (!DEBUG && level == Level.DEBUG) + return; + + String prefix = "!![" + level.name + "]!"; + // prefix first line + message = prefix + message; + // prefix subsequent lines + message = message.replace("\n", "\n" + prefix); + + if (level.stderr) + ERR.println(message); + else + OUT.println(message); + } + +} |