chore: update Java, Eclipe and TM4E baselines

Author: sebthom

README.md

@@ -107,6 +107,12 @@ To install the plugin into an existing Eclipse installation do:
 1. When the download has finished, Eclipse will ask about installing unsigned content. You need to accept if you want to
 1. After installation you will be prompted for a restart of Eclipse, which is recommended.
 
+### Minimum version requirements
+
+- JDK: 17 or newer
+- Eclipse IDE: 2022-06 (4.25) or newer
+- TM4E: 0.6.2 or newer
+
 
 ## <a name="supported-fileformats"></a>Supported File Formats/Languages
 

build.target

@@ -9,7 +9,8 @@
         </location>
 
         <location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="true" type="InstallableUnit">
-            <repository location="https://download.eclipse.org/releases/2021-06/"/>
+            <!-- Eclipse 4.25 (2022-09) is the first release requiring JDK 17 or newer-->
+            <repository location="https://download.eclipse.org/releases/2022-09/"/>
             <unit id="org.eclipse.equinox.executable.feature.group" version="0.0.0"/>
             <unit id="org.eclipse.sdk.ide" version="0.0.0"/>
         </location>
@@ -27,7 +28,7 @@
         </location>
 
         <location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="true" type="InstallableUnit">
-            <repository location="https://download.eclipse.org/tm4e/releases/0.4.2"/>
+            <repository location="https://download.eclipse.org/tm4e/releases/0.6.2"/>
             <unit id="org.eclipse.tm4e.feature.feature.group" version="0.0.0"/>
         </location>
     </locations>

plugin/.settings/org.eclipse.jdt.core.prefs

@@ -1,9 +1,9 @@
 eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=21
-org.eclipse.jdt.core.compiler.compliance=21
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
+org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
 org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
 org.eclipse.jdt.core.compiler.release=enabled
-org.eclipse.jdt.core.compiler.source=21
+org.eclipse.jdt.core.compiler.source=17

plugin/updater/.settings/org.eclipse.jdt.core.prefs

@@ -1,9 +1,9 @@
 eclipse.preferences.version=1
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=21
-org.eclipse.jdt.core.compiler.compliance=21
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
+org.eclipse.jdt.core.compiler.compliance=17
 org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
 org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
 org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=ignore
 org.eclipse.jdt.core.compiler.processAnnotations=disabled
-org.eclipse.jdt.core.compiler.release=disabled
-org.eclipse.jdt.core.compiler.source=21
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=17

plugin/updater/src/main/java/updater/utils/ObjectMappers.java

@@ -42,7 +42,7 @@ public abstract class ObjectMappers {
          .enable(YAMLGenerator.Feature.MINIMIZE_QUOTES) //
          .disable(YAMLGenerator.Feature.WRITE_DOC_START_MARKER) //
          .build()) //
-            .setSerializationInclusion(JsonInclude.Include.NON_EMPTY) //
+            .setDefaultPropertyInclusion(JsonInclude.Include.NON_EMPTY) //
             .setPropertyNamingStrategy(PropertyNamingStrategies.KEBAB_CASE);
    }
 }

pom.xml

@@ -68,7 +68,7 @@
 
 
    <properties>
-      <java.version>21</java.version>
+      <java.version>17</java.version>
       <tycho.version>5.0.1</tycho.version>
 
       <!-- to prevent dozen of warnings like: