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#1232 #1239 Show legacy hint if Guava's MoreObjects class is missing

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This commit is contained in:
ljacqu 2017-06-02 15:42:21 +02:00
parent 2974e4f5cb
commit 591d6f1d4c
3 changed files with 14 additions and 50 deletions
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2
src/main/java/fr/xephi/authme/AuthMe.java
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@ -140,7 +140,6 @@ public class AuthMe extends JavaPlugin {
initialize();
} catch (Throwable th) {
ConsoleLogger.logException("Aborting initialization of AuthMe:", th);
OnStartupTasks.displayLegacyJarHint(th);
stopOrUnload();
return;
}
@ -206,6 +205,7 @@ public class AuthMe extends JavaPlugin {
if(!SystemUtils.isJavaVersionAtLeast(1.8f)) {
throw new IllegalStateException("You need Java 1.8 or above to run this plugin!");
}
OnStartupTasks.verifyIfLegacyJarIsNeeded();
// Create plugin folder
getDataFolder().mkdir();

27
src/main/java/fr/xephi/authme/initialization/OnStartupTasks.java
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@ -1,6 +1,5 @@
package fr.xephi.authme.initialization;
import ch.jalu.injector.exceptions.InjectorReflectionException;
import fr.xephi.authme.AuthMe;
import fr.xephi.authme.ConsoleLogger;
import fr.xephi.authme.datasource.DataSource;
@ -23,7 +22,6 @@ import org.bukkit.Bukkit;
import org.bukkit.entity.Player;
import javax.inject.Inject;
import java.util.Optional;
import java.util.logging.Logger;
import static fr.xephi.authme.service.BukkitService.TICKS_PER_MINUTE;
@ -120,20 +118,19 @@ public class OnStartupTasks {
/**
* Displays a hint to use the legacy AuthMe JAR if AuthMe could not be started
* because Gson was not found.
*
* @param th the Throwable to process
* because Gson or newer Guava classes were not found.
*/
public static void displayLegacyJarHint(Throwable th) {
if (th instanceof InjectorReflectionException) {
Throwable causeOfCause = Optional.of(th)
.map(Throwable::getCause)
.map(Throwable::getCause).orElse(null);
if (causeOfCause instanceof NoClassDefFoundError
&& "Lcom/google/gson/Gson;".equals(causeOfCause.getMessage())) {
ConsoleLogger.warning("YOU MUST DOWNLOAD THE LEGACY JAR TO USE AUTHME ON YOUR SERVER");
ConsoleLogger.warning("Get authme-legacy.jar from http://ci.xephi.fr/job/AuthMeReloaded/");
}
public static void verifyIfLegacyJarIsNeeded() {
try {
Class<?>[] classes = {
com.google.common.base.MoreObjects.class, // < 1.12 Minecraft
com.google.gson.Gson.class // < 1.7 Minecraft
};
} catch (NoClassDefFoundError e) {
ConsoleLogger.warning("YOU MUST DOWNLOAD THE LEGACY JAR TO USE AUTHME ON YOUR SERVER");
ConsoleLogger.warning("Get authme-legacy.jar from http://ci.xephi.fr/job/AuthMeReloaded/");
ConsoleLogger.warning("Reason: could not load class '" + e.getMessage() + "'");
throw e;
}
}

35
src/test/java/fr/xephi/authme/initialization/OnStartupTasksTest.java
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@ -1,6 +1,5 @@
package fr.xephi.authme.initialization;
import ch.jalu.injector.exceptions.InjectorReflectionException;
import fr.xephi.authme.TestHelper;
import fr.xephi.authme.security.HashAlgorithm;
import org.junit.Test;
@ -9,7 +8,6 @@ import java.util.logging.Logger;
import static org.hamcrest.Matchers.equalTo;
import static org.junit.Assert.assertThat;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyZeroInteractions;
/**
@ -17,44 +15,13 @@ import static org.mockito.Mockito.verifyZeroInteractions;
*/
public class OnStartupTasksTest {
@Test
public void shouldDisplayLegacyJarHint() {
// given
Logger logger = TestHelper.setupLogger();
NoClassDefFoundError noClassDefError = new NoClassDefFoundError("Lcom/google/gson/Gson;");
ReflectiveOperationException ex2 = new ReflectiveOperationException("", noClassDefError);
InjectorReflectionException ex = new InjectorReflectionException("", ex2);
// when
OnStartupTasks.displayLegacyJarHint(ex);
// then
verify(logger).warning("YOU MUST DOWNLOAD THE LEGACY JAR TO USE AUTHME ON YOUR SERVER");
}
@Test
public void shouldNotDisplayLegacyHintForDifferentException() {
// given
Logger logger = TestHelper.setupLogger();
NullPointerException npe = new NullPointerException();
// when
OnStartupTasks.displayLegacyJarHint(npe);
// then
verifyZeroInteractions(logger);
}
@Test
public void shouldNotDisplayLegacyHintForWrongCause() {
// given
Logger logger = TestHelper.setupLogger();
IllegalAccessException illegalAccessException = new IllegalAccessException("Lcom/google/gson/Gson;");
ReflectiveOperationException ex2 = new ReflectiveOperationException("", illegalAccessException);
InjectorReflectionException ex = new InjectorReflectionException("", ex2);
// when
OnStartupTasks.displayLegacyJarHint(ex);
OnStartupTasks.verifyIfLegacyJarIsNeeded();
// then
verifyZeroInteractions(logger);