Bump Java Version to 20

.github/workflows/basic-checks.yml

@@ -3,7 +3,7 @@ name: Basic checks
 on: [pull_request]
 
 env:
-  JAVA_VERSION: 19
+  JAVA_VERSION: 20
 
 jobs:
   spotless:

.github/workflows/code-analysis.yml

@@ -8,7 +8,7 @@ on:
     - cron: '0 20 * * 4'
 
 env:
-  JAVA_VERSION: 19
+  JAVA_VERSION: 20
 
 jobs:
   sonar:

.github/workflows/docker-publish.yaml

@@ -7,7 +7,7 @@ on:
       - 'master'
 
 env:
-  JAVA_VERSION: 19
+  JAVA_VERSION: 20
 
 jobs:
   docker:

.github/workflows/docker-verify.yaml

@@ -3,7 +3,7 @@ name: Docker Verify
 on: [pull_request]
 
 env:
-  JAVA_VERSION: 19
+  JAVA_VERSION: 20
 
 jobs:
   docker:

.github/workflows/releases.yaml

@@ -10,7 +10,7 @@ defaults:
     shell: bash
 
 env:
-  JAVA_VERSION: 19
+  JAVA_VERSION: 20
 
 jobs:
 

README.md

@@ -1,7 +1,7 @@
 # TJ-Bot
 
 [![codefactor](https://img.shields.io/codefactor/grade/github/together-java/tj-bot)](https://www.codefactor.io/repository/github/together-java/tj-bot)
-![Java](https://img.shields.io/badge/Java-19-ff696c)
+![Java](https://img.shields.io/badge/Java-20-ff696c)
 [![license](https://img.shields.io/github/license/Together-Java/TJ-Bot)](https://github.com/Together-Java/TJ-Bot/blob/master/LICENSE)
 ![GitHub release (latest by date)](https://img.shields.io/github/v/release/Together-Java/TJ-Bot?label=release)
 

application/build.gradle

@@ -18,7 +18,7 @@ repositories {
 var outputImage = 'togetherjava.org:5001/togetherjava/tjbot:' + System.getenv('BRANCH_NAME') ?: 'latest'
 
 jib {
-    from.image = 'eclipse-temurin:19'
+    from.image = 'eclipse-temurin:20'
     to {
         image = outputImage
         auth {

application/src/main/java/org/togetherjava/tjbot/features/mathcommands/wolframalpha/WolframAlphaHandler.java

@@ -11,13 +11,14 @@
 import org.togetherjava.tjbot.features.mathcommands.wolframalpha.api.*;
 import org.togetherjava.tjbot.features.mathcommands.wolframalpha.api.Error;
 
-import java.awt.Color;
+import java.awt.*;
 import java.awt.image.BufferedImage;
 import java.io.IOException;
-import java.io.UncheckedIOException;
 import java.net.HttpURLConnection;
+import java.net.URISyntaxException;
 import java.net.http.HttpResponse;
 import java.util.*;
+import java.util.List;
 import java.util.function.Function;
 import java.util.stream.Collectors;
 
@@ -169,7 +170,7 @@ private HandlerResponse handleSuccessfulResponse(QueryResult queryResult) {
             for (SubPod subPod : pod.getSubPods()) {
                 try {
                     images.add(WolframAlphaImages.renderSubPod(subPod));
-                } catch (UncheckedIOException e) {
+                } catch (IOException | URISyntaxException e) {
                     LOGGER.error(
                             "Failed to render sub pod (title: '{}') from pod (title: '{}') from the WolframAlpha response (for query: '{}')",
                             subPod.getTitle(), pod.getTitle(), query, e);

application/src/main/java/org/togetherjava/tjbot/features/mathcommands/wolframalpha/WolframAlphaImages.java

@@ -5,9 +5,7 @@
 
 import javax.imageio.ImageIO;
 
-import java.awt.Color;
-import java.awt.Font;
-import java.awt.Graphics;
+import java.awt.*;
 import java.awt.font.FontRenderContext;
 import java.awt.geom.AffineTransform;
 import java.awt.geom.Rectangle2D;
@@ -16,7 +14,8 @@
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.UncheckedIOException;
-import java.net.URL;
+import java.net.URI;
+import java.net.URISyntaxException;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
@@ -55,7 +54,7 @@ static BufferedImage renderTitle(String title) {
         return image;
     }
 
-    static BufferedImage renderSubPod(SubPod subPod) {
+    static BufferedImage renderSubPod(SubPod subPod) throws IOException, URISyntaxException {
         WolframAlphaImage sourceImage = subPod.getImage();
 
         int widthPx = sourceImage.getWidth() + 2 * IMAGE_MARGIN_PX;
@@ -65,12 +64,9 @@ static BufferedImage renderSubPod(SubPod subPod) {
                 new BufferedImage(widthPx, heightPx, BufferedImage.TYPE_4BYTE_ABGR);
         Graphics graphics = destinationImage.getGraphics();
 
-        try {
-            graphics.drawImage(ImageIO.read(new URL(sourceImage.getSource())), IMAGE_MARGIN_PX,
-                    IMAGE_MARGIN_PX, null);
-        } catch (IOException e) {
-            throw new UncheckedIOException(e);
-        }
+        graphics.drawImage(ImageIO.read(new URI(sourceImage.getSource()).toURL()), IMAGE_MARGIN_PX,
+                IMAGE_MARGIN_PX, null);
+
 
         return destinationImage;
     }

build.gradle

@@ -65,8 +65,8 @@ subprojects {
         options.encoding = 'UTF-8'
 
         // Nails the Java-Version of every Subproject
-        sourceCompatibility = JavaVersion.VERSION_19
-        targetCompatibility = JavaVersion.VERSION_19
+        sourceCompatibility = JavaVersion.VERSION_20
+        targetCompatibility = JavaVersion.VERSION_20
     }
 
     compileJava(compileTasks)

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.0.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
 networkTimeout=10000
+validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

gradlew

@@ -83,10 +83,8 @@ done
 # This is normally unused
 # shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
+APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
@@ -133,10 +131,13 @@ location of your Java installation."
     fi
 else
     JAVACMD=java
-    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+    if ! command -v java >/dev/null 2>&1
+    then
+        die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
 
 Please set the JAVA_HOME variable in your environment to match the
 location of your Java installation."
+    fi
 fi
 
 # Increase the maximum file descriptors if we can.
@@ -197,6 +198,10 @@ if "$cygwin" || "$msys" ; then
     done
 fi
 
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
 # Collect all arguments for the java command;
 #   * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
 #     shell script including quotes and variable substitutions, so put them in