mirror of
https://github.com/GravitLauncher/Launcher
synced 2025-04-01 22:14:01 +03:00
Add javaVerRelauncher.
This commit is contained in:
zaxar163
parent
6091be7606
commit
86074d2d66
6 changed files with 285 additions and 2 deletions
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@ -1,6 +1,9 @@
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String mainClassName = "ru.gravit.launcher.LauncherEngine"
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String realMainClassName = "ru.gravit.launcher.LauncherEngine"
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String mainAgentName = "ru.gravit.launcher.LauncherAgent"
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String mainClassName = "ru.gravit.launcher.relauncher.VerRelauncher"
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String errMessage = "Please, download Java 8 or higher."
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String minVer = "52"
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repositories {
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maven {
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@ -14,6 +17,10 @@
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jar {
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from { configurations.runtime.collect { it.isDirectory() ? it : zipTree(it) } }
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manifest.attributes("Main-Class": mainClassName,
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"MainRun-Class": realMainClassName,
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"Graphic-Enabled": "true",
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"ErrorMessage-String": errMessage,
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"MinVesion-Integer": minVer,
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"Premain-Class": mainAgentName,
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"Can-Redefine-Classes": "true",
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"Can-Retransform-Classes": "true",
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@ -22,6 +29,7 @@
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dependencies {
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compile project(':LauncherAPI')
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compile project(':javaVerRelauncher')
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compile 'org.javassist:javassist:3.23.1-GA'
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}
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8
javaVerRelauncher/build.gradle
Normal file
8
javaVerRelauncher/build.gradle
Normal file
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@ -0,0 +1,8 @@
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String mainClassName = "ru.gravit.launcher.relauncher.VerRelauncher"
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sourceCompatibility = '1.6'
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targetCompatibility = '1.6'
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jar {
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manifest.attributes("Main-Class": mainClassName)
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}
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@ -0,0 +1,127 @@
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package ru.gravit.launcher.relauncher;
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import java.io.File;
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import java.io.InputStream;
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import java.lang.management.ManagementFactory;
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import java.net.URL;
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import java.util.Locale;
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import java.util.jar.Manifest;
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public final class Helper {
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public static enum OS {
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LINUX("linux"), MACOSX("macosx"), MUSTDIE("mustdie"), OTHER("other");
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public static OS byName(final String name) {
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if (name.startsWith("Windows"))
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return MUSTDIE;
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if (name.startsWith("Linux"))
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return LINUX;
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if (name.startsWith("Mac OS X"))
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return MACOSX;
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return OTHER;
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}
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public final String name;
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private OS(final String name) {
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this.name = name;
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}
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}
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private static final String DEFERR = "Invalid java version.";
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public static final ClassLoader LOADER = ClassLoader.getSystemClassLoader();
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public static final OS os = OS.byName(ManagementFactory.getOperatingSystemMXBean().getName());
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public static Manifest mf = null;
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public static final String getErrMessage() {
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try {
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return getErrMessage(getManifest());
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} catch (final Throwable t) {
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return DEFERR;
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}
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}
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public static final String getErrMessage(final Manifest mf) {
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String mess = DEFERR;
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try {
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mess = mf.getMainAttributes().getValue("ErrorMessage-String");
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} catch (final Throwable t) {
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}
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return mess;
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}
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public static final String getMainClass() {
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try {
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return getMainClass(getManifest());
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} catch (final Throwable t) {
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return null;
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}
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}
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public static final String getMainClass(final Manifest mf) {
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String main = null;
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try {
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main = mf.getMainAttributes().getValue("MainRun-Class").trim();
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} catch (final Throwable t) {
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}
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return main;
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}
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public static final Manifest getManifest() {
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if (mf != null) return mf;
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try {
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InputStream in = VerRelauncher.class.getResourceAsStream("/META-INF/MANIFEST.MF");
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Manifest mf = new Manifest(in);
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in.close();
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Helper.mf = mf;
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return mf;
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} catch (final Throwable t) {
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return null;
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}
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}
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public static final int getMinVer() {
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try {
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return getMinVer(getManifest());
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} catch (final Throwable t) {
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return JavaVersionInfo.JAVA_6;
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}
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}
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public static final int getMinVer(final Manifest mf) {
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int ver = JavaVersionInfo.JAVA_6;
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try {
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ver = Integer.parseInt(mf.getMainAttributes().getValue("MinVesion-Integer").trim());
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} catch (final Throwable t) {
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}
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return ver;
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}
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public static final OS getOs() {
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return os;
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}
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public static final boolean isGraphic() {
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try {
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return isGraphic(getManifest());
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} catch (final Throwable t) {
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return false;
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}
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}
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public static final boolean isGraphic(final Manifest mf) {
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boolean graph = false;
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try {
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graph = "TRUE".equalsIgnoreCase(mf.getMainAttributes().getValue("Graphic-Enabled").trim());
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} catch (final Throwable t) {
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}
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return graph;
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}
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public static void verifySystemProperties(final Class<?> mainClass, final boolean requireSystem) {
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Locale.setDefault(Locale.US);
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// Verify ClassLoader
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if (requireSystem && !mainClass.getClassLoader().equals(LOADER))
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throw new SecurityException("ClassLoader should be system");
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}
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}
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@ -0,0 +1,96 @@
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package ru.gravit.launcher.relauncher;
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public final class JavaVersionInfo {
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/**
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* The major version number of class files for JDK 1.1.
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*/
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public static final int JAVA_1 = 45;
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/**
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* The major version number of class files for JDK 10.
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*/
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public static final int JAVA_10 = 54;
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/**
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* The major version number of class files for JDK 11.
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*/
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public static final int JAVA_11 = 55;
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/**
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* The major version number of class files for JDK 1.2.
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*/
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public static final int JAVA_2 = 46;
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/**
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* The major version number of class files for JDK 1.3.
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*/
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public static final int JAVA_3 = 47;
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/**
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* The major version number of class files for JDK 1.4.
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*/
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public static final int JAVA_4 = 48;
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/**
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* The major version number of class files for JDK 1.5.
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*/
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public static final int JAVA_5 = 49;
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/**
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* The major version number of class files for JDK 1.6.
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*/
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public static final int JAVA_6 = 50;
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/**
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* The major version number of class files for JDK 1.7.
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*/
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public static final int JAVA_7 = 51;
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/**
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* The major version number of class files for JDK 1.8.
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*/
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public static final int JAVA_8 = 52;
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/**
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* The major version number of class files for JDK 1.9.
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*/
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public static final int JAVA_9 = 53;
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/**
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* The major version number of class files created from scratch. The default
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* value is 47 (JDK 1.3). It is 49 (JDK 1.5) if the JVM supports
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* <code>java.lang.StringBuilder</code>. It is 50 (JDK 1.6) if the JVM supports
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* <code>java.util.zip.DeflaterInputStream</code>. It is 51 (JDK 1.7) if the JVM
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* supports <code>java.lang.invoke.CallSite</code>. It is 52 (JDK 1.8) if the
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* JVM supports <code>java.util.function.Function</code>. It is 53 (JDK 1.9) if
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* the JVM supports <code>java.lang.reflect.Module</code>. It is 54 (JDK 10) if
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* the JVM supports <code>java.util.List.copyOf(Collection)</code>. It is 55
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* (JDK 11) if the JVM supports <code>java.util.Optional.isEmpty()</code>.
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*/
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public static final int MAJOR_VERSION;
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static {
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int ver = JAVA_3;
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try {
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Class.forName("java.lang.StringBuilder");
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ver = JAVA_5;
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Class.forName("java.util.zip.DeflaterInputStream");
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ver = JAVA_6;
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Class.forName("java.lang.invoke.CallSite", false, ClassLoader.getSystemClassLoader());
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ver = JAVA_7;
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Class.forName("java.util.function.Function");
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ver = JAVA_8;
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Class.forName("java.lang.Module");
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ver = JAVA_9;
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Class.forName("java.util.List").getMethod("copyOf", Class.forName("java.util.Collection"));
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ver = JAVA_10;
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Class.forName("java.util.Optional").getMethod("isEmpty");
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ver = JAVA_11;
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} catch (final Throwable t) {
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}
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MAJOR_VERSION = ver;
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}
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public static final int getVersion() {
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return MAJOR_VERSION;
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}
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}
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@ -0,0 +1,43 @@
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package ru.gravit.launcher.relauncher;
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import java.lang.reflect.Method;
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import javax.swing.JOptionPane;
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public final class VerRelauncher {
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private static final void checkCompat() {
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if (JavaVersionInfo.MAJOR_VERSION < Helper.getMinVer()) {
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if (Helper.isGraphic())
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runGraph(Helper.getErrMessage());
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throw new AssertionError(Helper.getErrMessage());
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}
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}
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public static void main(final String[] args) {
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verifySystemProperties();
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try {
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checkCompat();
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final Class<?> main = Class.forName(Helper.getMainClass(), true, ClassLoader.getSystemClassLoader());
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Helper.verifySystemProperties(main, true);
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final Method mainMethod = main.getMethod("main", String[].class);
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mainMethod.setAccessible(true);
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mainMethod.invoke(null, new Object[] { args });
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} catch (final Throwable t) {
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if (t instanceof AssertionError)
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throw (AssertionError) t;
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if (t instanceof InternalError)
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throw (InternalError) t;
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throw new InternalError(t);
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}
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}
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private static void runGraph(final String errMessage) {
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JOptionPane.showMessageDialog(null, errMessage);
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}
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private static void verifySystemProperties() {
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Helper.verifySystemProperties(Helper.class, true);
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Helper.verifySystemProperties(VerRelauncher.class, true);
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Helper.verifySystemProperties(JavaVersionInfo.class, true);
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}
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}
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@ -1,9 +1,10 @@
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rootProject.name = 'Launcher'
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include 'Launcher'
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include 'libLauncher'
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include 'LauncherAPI'
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include 'javaVerRelauncher'
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include 'ServerWrapper'
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include 'Launcher'
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include 'LaunchServer'
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include 'modules'
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file('modules').eachDir { sub ->
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