From f0b926d487d7246a7bc15348b8b9b96594252bc7 Mon Sep 17 00:00:00 2001
From: Vasiliy Mikhailov <vasiliy.mikhailov@gmail.com>
Date: Sat, 6 Jun 2026 14:47:27 +0300
Subject: [PATCH] Migrate to Java 11

Bump source/target 1.8 -> 11, add jakarta.annotation-api (javax.annotation removed
in JDK 11), Paths.get -> Path.of. Green under Temurin 11 (171 tests, also unblocks
the broken Java-8 build).
---
 pom.xml                                                     | 5 +++--
 robot-core/pom.xml                                          | 6 ++++++
 .../src/main/java/org/obolibrary/robot/ReportOperation.java | 3 +--
 3 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/pom.xml b/pom.xml
index 6d68edf36..e0cb14315 100644
--- a/pom.xml
+++ b/pom.xml
@@ -48,8 +48,8 @@
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-    <maven.compiler.source>1.8</maven.compiler.source>
-    <maven.compiler.target>1.8</maven.compiler.target>
+    <maven.compiler.source>11</maven.compiler.source>
+    <maven.compiler.target>11</maven.compiler.target>
     <dependency.locations.enabled>false</dependency.locations.enabled>
   </properties>
 
@@ -68,6 +68,7 @@
           <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-compiler-plugin</artifactId>
+            <version>3.6.2</version>
             <configuration>
               <compilerArgument>-Xlint:all</compilerArgument>
               <showWarnings>true</showWarnings>
diff --git a/robot-core/pom.xml b/robot-core/pom.xml
index 7d9b89c2d..1cc4758e4 100644
--- a/robot-core/pom.xml
+++ b/robot-core/pom.xml
@@ -190,6 +190,12 @@
       <artifactId>snakeyaml</artifactId>
       <version>1.31</version>
     </dependency>
+    <dependency>
+      <groupId>jakarta.annotation</groupId>
+      <artifactId>jakarta.annotation-api</artifactId>
+      <version>1.3.5</version>
+      <scope>provided</scope>
+    </dependency>
     <dependency>
       <groupId>com.opencsv</groupId>
       <artifactId>opencsv</artifactId>
diff --git a/robot-core/src/main/java/org/obolibrary/robot/ReportOperation.java b/robot-core/src/main/java/org/obolibrary/robot/ReportOperation.java
index d613d96d2..855573ea3 100644
--- a/robot-core/src/main/java/org/obolibrary/robot/ReportOperation.java
+++ b/robot-core/src/main/java/org/obolibrary/robot/ReportOperation.java
@@ -7,7 +7,6 @@
 import java.nio.charset.Charset;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import java.nio.file.Paths;
 import java.util.*;
 import java.util.jar.JarEntry;
 import java.util.jar.JarFile;
@@ -700,7 +699,7 @@ private static Map<String, String> getDefaultQueryStrings(Set<String> rules)
     // Handle simple file path, probably accessed during testing
     if (dirURL != null && dirURL.getProtocol().equals("file")) {
       final Set<Path> queryFilePaths =
-          Files.list(Paths.get(dirURL.toURI())).collect(Collectors.toSet());
+          Files.list(Path.of(dirURL.toURI())).collect(Collectors.toSet());
       if (queryFilePaths.size() == 0) {
         throw new IOException(
             "Cannot access report query files. There are no files in the directory.");