Update Injector and create injectable object factory

- Using e.g. Factory<Converter> instead of the injector directly makes its purpose more specific and disallows any future abuse of the injector's functions

src/test/java/fr/xephi/authme/command/CommandHandlerTest.java

@@ -6,6 +6,7 @@ import fr.xephi.authme.command.TestCommandsUtil.TestLoginCommand;
 import fr.xephi.authme.command.TestCommandsUtil.TestRegisterCommand;
 import fr.xephi.authme.command.TestCommandsUtil.TestUnregisterCommand;
 import fr.xephi.authme.command.help.HelpProvider;
+import fr.xephi.authme.initialization.factory.Factory;
 import fr.xephi.authme.message.MessageKey;
 import fr.xephi.authme.message.Messages;
 import fr.xephi.authme.permission.PermissionsManager;
@@ -56,7 +57,7 @@ public class CommandHandlerTest {
     private CommandHandler handler;
 
     @Mock
-    private Injector injector;
+    private Factory<ExecutableCommand> commandFactory;
     @Mock
     private CommandMapper commandMapper;
     @Mock
@@ -75,7 +76,7 @@ public class CommandHandlerTest {
             ExecutableCommand.class, TestLoginCommand.class, TestRegisterCommand.class, TestUnregisterCommand.class));
         setInjectorToMockExecutableCommandClasses();
 
-        handler = new CommandHandler(injector, commandMapper, permissionsManager, messages, helpProvider);
+        handler = new CommandHandler(commandFactory, commandMapper, permissionsManager, messages, helpProvider);
     }
 
     /**
@@ -86,7 +87,7 @@ public class CommandHandlerTest {
      */
     @SuppressWarnings("unchecked")
     private void setInjectorToMockExecutableCommandClasses() {
-        given(injector.newInstance(any(Class.class))).willAnswer(new Answer<Object>() {
+        given(commandFactory.newInstance(any(Class.class))).willAnswer(new Answer<Object>() {
             @Override
             public Object answer(InvocationOnMock invocation) throws Throwable {
                 Class<?> clazz = invocation.getArgument(0);

src/test/java/fr/xephi/authme/command/executable/authme/ConverterCommandTest.java

@@ -1,8 +1,8 @@
 package fr.xephi.authme.command.executable.authme;
 
-import ch.jalu.injector.Injector;
 import fr.xephi.authme.TestHelper;
 import fr.xephi.authme.datasource.converter.Converter;
+import fr.xephi.authme.initialization.factory.Factory;
 import fr.xephi.authme.message.MessageKey;
 import fr.xephi.authme.service.BukkitService;
 import fr.xephi.authme.service.CommonService;
@@ -48,7 +48,7 @@ public class ConverterCommandTest {
     private BukkitService bukkitService;
 
     @Mock
-    private Injector injector;
+    private Factory<Converter> converterFactory;
 
     @BeforeClass
     public static void initLogger() {
@@ -66,7 +66,7 @@ public class ConverterCommandTest {
         // then
         verify(sender).sendMessage(argThat(containsString("Converter does not exist")));
         verifyNoMoreInteractions(commandService);
-        verifyZeroInteractions(injector);
+        verifyZeroInteractions(converterFactory);
         verifyZeroInteractions(bukkitService);
     }
 
@@ -100,8 +100,8 @@ public class ConverterCommandTest {
         // then
         verify(converter).execute(sender);
         verifyNoMoreInteractions(converter);
-        verify(injector).newInstance(converterClass);
-        verifyNoMoreInteractions(injector);
+        verify(converterFactory).newInstance(converterClass);
+        verifyNoMoreInteractions(converterFactory);
     }
 
     @Test
@@ -120,14 +120,14 @@ public class ConverterCommandTest {
         // then
         verify(converter).execute(sender);
         verifyNoMoreInteractions(converter);
-        verify(injector).newInstance(converterClass);
-        verifyNoMoreInteractions(injector);
+        verify(converterFactory).newInstance(converterClass);
+        verifyNoMoreInteractions(converterFactory);
         verify(commandService).send(sender, MessageKey.ERROR);
     }
 
     private <T extends Converter> T createMockReturnedByInjector(Class<T> clazz) {
         T converter = mock(clazz);
-        given(injector.newInstance(clazz)).willReturn(converter);
+        given(converterFactory.newInstance(clazz)).willReturn(converter);
         return converter;
     }