feat: Upgrade to Java 17 (#244)

* Update to Java 17

* Update build matrix

* Fix CodeQL

* Remove rewrite plugin

* Update readme

* Style improvements

.github/workflows/ci-build.yml

@@ -16,7 +16,7 @@ jobs:
  runs-on: ubuntu-latest
  strategy:
  matrix:
- java-version: [ 8, 11, 17 ]
+ java-version: [ 17, 21 ]
  name: Build with Java ${{ matrix.java-version }}
 
  steps:

.github/workflows/codeql.yml

@@ -17,6 +17,12 @@ jobs:
  - name: Checkout repository
  uses: actions/checkout@v4
 
+ - name: Set up Java 17
+ uses: actions/setup-java@v4
+ with:
+ distribution: 'adopt'
+ java-version: 17
+
  - name: Initialize CodeQL
  uses: github/codeql-action/init@v3
  with:

.github/workflows/release.yml

@@ -37,7 +37,7 @@ jobs:
  name: Setup JDK
  with:
  distribution: 'adopt'
- java-version: 8
+ java-version: 17
 
  - name: Restore CVE Database
  uses: actions/cache/restore@v4

.gitignore

@@ -6,3 +6,4 @@
 
 **/.venv/**
 **/__pycache__/**
+.java-version

README.md

@@ -10,7 +10,8 @@ Foundry and Kubernetes (K8S) environment.
 
 ## Requirements
 
-- Java `≥ 8`
+- Java `≥ 17`
+ - Java `≥ 8` may be used until version `0.10.5`, version `0.20.0` and onwards require Java `≥ 17` 
 - Maven `≥ 3.8.1`
 
 ### Building the Project

pom.xml

@@ -51,7 +51,7 @@
  </distributionManagement>
 
  <properties>
- <java.version>1.8</java.version>
+ <java.version>17</java.version>
  <maven.version>3.8</maven.version>
  <java.failOnWarning>true</java.failOnWarning>
  <skipCveCheck>false</skipCveCheck>
@@ -63,8 +63,8 @@
 
  <cloud-environment.version>0.10.5</cloud-environment.version>
 
- <maven.compiler.source>1.8</maven.compiler.source>
- <maven.compiler.target>1.8</maven.compiler.target>
+ <maven.compiler.source>17</maven.compiler.source>
+ <maven.compiler.target>17</maven.compiler.target>
 
  <jsr305.version>3.0.2</jsr305.version>
  <slf4j-simple.version>2.0.16</slf4j-simple.version>