Backport all changes to last java 8 line

Author: hazendaz

pom.xml

@@ -29,7 +29,7 @@
 
     <groupId>com.github.spotbugs</groupId>
     <artifactId>spotbugs-maven-plugin</artifactId>
-    <version>4.9.4.2-SNAPSHOT</version>
+    <version>4.8.6.7-SNAPSHOT</version>
     <packaging>maven-plugin</packaging>
 
     <name>spotbugs-maven-plugin</name>
@@ -109,9 +109,9 @@
 
     <properties>
         <!-- Align java runtime with spotbugs -->
-        <java.version>11</java.version>
-        <java.release.version>11</java.release.version>
-        <javadoc.java.release.version>11</javadoc.java.release.version>
+        <java.version>8</java.version>
+        <java.release.version>8</java.release.version>
+        <javadoc.java.release.version>8</javadoc.java.release.version>
 
         <sourceDirectory>${project.basedir}/src/main/groovy</sourceDirectory>
         <testSourceDirectory>${project.basedir}/src/test/groovy</testSourceDirectory>
@@ -122,16 +122,16 @@
         <jacoco.minimum.coverage>0.11</jacoco.minimum.coverage>
 
         <!-- Override spotbugs to this version from base-parent -->
-        <spotbugs.version>4.9.4</spotbugs.version>
-        <spotbugs.plugin>4.9.4.0</spotbugs.plugin>
+        <spotbugs.version>4.8.6</spotbugs.version>
+        <spotbugs.plugin>4.8.6.6</spotbugs.plugin>
 
         <byte-buddy.version>1.17.7</byte-buddy.version>
         <javabean-tester.version>2.11.0</javabean-tester.version>
         <junitVersion>5.13.4</junitVersion>
         <slf4jVersion>2.0.17</slf4jVersion>
 
         <antVersion>1.10.15</antVersion>
-        <groovyVersion>5.0.0</groovyVersion>
+        <groovyVersion>4.0.28</groovyVersion>
         <javaparserVersion>3.27.0</javaparserVersion>
 
         <doxiaVersion>2.0.0</doxiaVersion>

src/stubfixer/java/com/github/spotbugs/StubOverrideFixer.java

@@ -24,6 +24,9 @@
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Collections;
+import java.util.HashSet;
 import java.util.Set;
 import java.util.stream.Stream;
 
@@ -39,8 +42,16 @@ public class StubOverrideFixer {
     private static final Logger logger = LoggerFactory.getLogger(StubOverrideFixer.class);
 
     /** The Constant GROOVY_METHODS. */
-    private static final Set<String> GROOVY_METHODS = Set.of("getMetaClass", "setMetaClass", "invokeMethod",
-            "getProperty", "setProperty");
+    private static final Set<String> GROOVY_METHODS;
+    static {
+        Set<String> tempSet = new HashSet<>();
+        tempSet.add("getMetaClass");
+        tempSet.add("setMetaClass");
+        tempSet.add("invokeMethod");
+        tempSet.add("getProperty");
+        tempSet.add("setProperty");
+        GROOVY_METHODS = Collections.unmodifiableSet(tempSet);
+    }
 
     /**
      * The main method.
@@ -49,7 +60,7 @@ public class StubOverrideFixer {
      * @throws IOException Signals that an I/O exception has occurred.
      */
     public static void main(String[] args) throws IOException {
-        Path stubsDir = Path.of(args[0]);
+        Path stubsDir = Paths.get(args[0]);
         try (Stream<Path> stream = Files.walk(stubsDir)) {
             stream.filter(p -> p.toString().endsWith(".java")).forEach(StubOverrideFixer::processStub);
         }