Upgrade to Eclipse 2020-09

Closes gh-225

Author: philwebb

pom.xml

@@ -31,9 +31,8 @@
 		<main.basedir>${basedir}</main.basedir>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<java.version>1.8</java.version>
-		<eclipse.repository>https://download.eclipse.org/releases/2020-03/202003181000/</eclipse.repository>
-		<eclipse.java14.repository>https://download.eclipse.org/eclipse/updates/4.15-P-builds/</eclipse.java14.repository>
-		<eclipse.checkstyle.repository>https://dl.bintray.com/eclipse-cs/eclipse-cs/8.32.0</eclipse.checkstyle.repository>
+		<eclipse.repository>https://download.eclipse.org/releases/2020-09/202009161000/</eclipse.repository>
+		<eclipse.checkstyle.repository>https://dl.bintray.com/eclipse-cs/eclipse-cs/8.35.0</eclipse.checkstyle.repository>
 		<tycho.disableP2Mirrors>true</tycho.disableP2Mirrors>
 		<ant.version>1.8.1</ant.version>
 		<ant-contrib.version>1.0b3</ant-contrib.version>
@@ -571,11 +570,6 @@
 			<layout>p2</layout>
 			<url>${eclipse.repository}</url>
 		</repository>
-		<repository>
-			<id>eclipse-java14</id>
-			<layout>p2</layout>
-			<url>${eclipse.java14.repository}</url>
-		</repository>
 		<repository>
 			<id>eclipse-checkstyle</id>
 			<layout>p2</layout>

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

@@ -13,5 +13,6 @@
 	<name>Spring JavaFormat Eclipse Feature</name>
 	<properties>
 		<main.basedir>${basedir}/../..</main.basedir>
+		<java.version>11</java.version>
 	</properties>
 </project>

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

@@ -13,6 +13,7 @@
 	<name>Spring JavaFormat Eclipse Site</name>
 	<properties>
 		<main.basedir>${basedir}/../..</main.basedir>
+		<java.version>11</java.version>
 	</properties>
 	<build>
 		<plugins>

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

@@ -5,7 +5,7 @@ Bundle-Name: Spring Java Format Tests
 Bundle-SymbolicName: io.spring.javaformat.eclipse.tests
 Automatic-Module-Name: io.spring.javaformat.eclipse.tests
 Bundle-Version: 0.0.26.qualifier
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Require-Bundle: org.junit;bundle-version="4.12"
 Bundle-ClassPath: .,
  lib/assertj-core.jar,

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

@@ -13,6 +13,7 @@
 	<name>Spring JavaFormat Eclipse Test</name>
 	<properties>
 		<main.basedir>${basedir}/../..</main.basedir>
+		<java.version>11</java.version>
 	</properties>
 	<dependencies>
 		<dependency>

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

@@ -5,7 +5,7 @@ Bundle-SymbolicName: io.spring.javaformat.eclipse;singleton:=true
 Automatic-Module-Name: io.spring.javaformat.eclipse
 Bundle-Version: 0.0.26.qualifier
 Bundle-Activator: io.spring.javaformat.eclipse.Activator
-Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-RequiredExecutionEnvironment: JavaSE-11
 Require-Bundle: org.eclipse.ui,
  org.eclipse.core.resources,
  org.eclipse.core.runtime,

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

@@ -13,6 +13,7 @@
 	<name>Spring JavaFormat Eclipse Parent</name>
 	<properties>
 		<main.basedir>${basedir}/../..</main.basedir>
+		<java.version>11</java.version>
 	</properties>
 	<dependencies>
 		<!-- Runtime -->