Fix Eclipse Plugin imports

See gh-277

Author: philwebb

spring-javaformat-eclipse/io.spring.javaformat.eclipse/META-INF/MANIFEST.MF

@@ -19,8 +19,9 @@ Require-Bundle: org.eclipse.ui,
  org.eclipse.buildship.core;resolution:=optional,
  net.sf.eclipsecs.core;resolution:=optional
 Bundle-ClassPath: .,
- lib/spring-javaformat-formatter-eclipse.jar,
  lib/spring-javaformat-config.jar,
  lib/spring-javaformat-formatter.jar,
- lib/spring-javaformat-checkstyle.jar
+ lib/spring-javaformat-checkstyle.jar,
+ lib/spring-javaformat-formatter-eclipse-jdt-jdk11.jar,
+ lib/spring-javaformat-formatter-eclipse-jdt-jdk8.jar
 Bundle-ActivationPolicy: lazy

spring-javaformat-eclipse/io.spring.javaformat.eclipse/build.properties

@@ -6,4 +6,5 @@ bin.includes = META-INF/,\
                lib/spring-javaformat-checkstyle.jar,\
                lib/spring-javaformat-config.jar,\
                lib/spring-javaformat-formatter.jar,\
-               lib/spring-javaformat-formatter-eclipse.jar
+               lib/spring-javaformat-formatter-eclipse-jdt-jdk11.jar,\
+               lib/spring-javaformat-formatter-eclipse-jdt-jdk8.jar

spring-javaformat-eclipse/io.spring.javaformat.eclipse/pom.xml

@@ -57,6 +57,11 @@
 							<artifactId>spring-javaformat-formatter-eclipse-jdt-jdk8</artifactId>
 							<version>${project.version}</version>
 						</additionalDependency>
+						<additionalDependency>
+							<groupId>io.spring.javaformat</groupId>
+							<artifactId>spring-javaformat-formatter-eclipse-jdt-jdk11</artifactId>
+							<version>${project.version}</version>
+						</additionalDependency>
 					</additionalDependencies>
 				</configuration>
 			</plugin>

spring-javaformat-eclipse/io.spring.javaformat.eclipse/src/io/spring/javaformat/eclipse/Activator.java

@@ -16,11 +16,13 @@
 
 package io.spring.javaformat.eclipse;
 
+import java.util.ArrayList;
+import java.util.List;
+
+import org.eclipse.core.runtime.Plugin;
 import org.eclipse.ui.plugin.AbstractUIPlugin;
 import org.osgi.framework.BundleContext;
 
-import io.spring.javaformat.eclipse.jdt.core.JavaCore;
-
 /**
  * The activator class controls the plug-in life cycle.
  *
@@ -35,22 +37,27 @@ public class Activator extends AbstractUIPlugin {
 
 	private static Activator plugin;
 
-	private JavaCore javaCore;
+	private final List<Plugin> javaCorePlugins = new ArrayList<>();
 
 	public Activator() {
-		this.javaCore = new JavaCore();
+		this.javaCorePlugins.add(new io.spring.javaformat.eclipse.jdt.jdk8.core.JavaCore());
+		this.javaCorePlugins.add(new io.spring.javaformat.eclipse.jdt.jdk11.core.JavaCore());
 	}
 
 	@Override
 	public void start(BundleContext context) throws Exception {
 		super.start(context);
 		plugin = this;
-		this.javaCore.start(context);
+		for (Plugin javaCorePlugin : this.javaCorePlugins) {
+			javaCorePlugin.start(context);
+		}
 	}
 
 	@Override
 	public void stop(BundleContext context) throws Exception {
-		this.javaCore.stop(context);
+		for (Plugin javaCorePlugin : this.javaCorePlugins) {
+			javaCorePlugin.stop(context);
+		}
 		plugin = null;
 		super.stop(context);
 	}