From 1007940bd993a18b12f444d0867264f41a5fff11 Mon Sep 17 00:00:00 2001
From: Knut Wannheden <knut@moderne.io>
Date: Wed, 6 Nov 2024 19:31:37 +0100
Subject: [PATCH] Fix Lombok initialization in Java parser (#4647)

* Fix Lombok initialization in Java parser

* Fix path calculation to work on Windows

---------

Co-authored-by: Sam Snyder <sam@moderne.io>
---
 .../java/isolated/ReloadableJava17Parser.java | 38 +++++++++++--------
 1 file changed, 22 insertions(+), 16 deletions(-)

diff --git a/rewrite-java-17/src/main/java/org/openrewrite/java/isolated/ReloadableJava17Parser.java b/rewrite-java-17/src/main/java/org/openrewrite/java/isolated/ReloadableJava17Parser.java
index c7d9bf60a13..a5301b05e19 100644
--- a/rewrite-java-17/src/main/java/org/openrewrite/java/isolated/ReloadableJava17Parser.java
+++ b/rewrite-java-17/src/main/java/org/openrewrite/java/isolated/ReloadableJava17Parser.java
@@ -54,8 +54,10 @@
 import java.io.*;
 import java.lang.reflect.Constructor;
 import java.net.URI;
+import java.net.URL;
 import java.nio.charset.Charset;
 import java.nio.file.Path;
+import java.nio.file.Paths;
 import java.util.*;
 import java.util.concurrent.atomic.AtomicReference;
 import java.util.stream.Stream;
@@ -119,27 +121,31 @@ private ReloadableJava17Parser(
             Processor lombokProcessor = null;
             try {
                 // https://projectlombok.org/contributing/lombok-execution-path
-                String systemClasspath = System.getProperty("java.class.path");
-                if (systemClasspath != null && !systemClasspath.isEmpty()) {
-                    List<String> overrideClasspath = new ArrayList<>();
-                    for (String part : systemClasspath.split("\\s*" + (File.pathSeparatorChar == ';' ? ";" : ":") + "\\s*")) {
-                        if (part.contains("lombok")) {
-                            overrideClasspath.add(part);
-                        }
+                List<String> overrideClasspath = new ArrayList<>();
+                for (Path part : classpath) {
+                    if (part.toString().contains("lombok")) {
+                        overrideClasspath.add(part.toString());
                     }
-                    // make sure the rewrite-java-lombok dependency comes first
-                    boolean found = false;
-                    for (int i = 0; i < overrideClasspath.size(); i++) {
-                        if (overrideClasspath.get(i).contains("rewrite-java-lombok")) {
-                            overrideClasspath.add(0, overrideClasspath.remove(i));
-                            found = true;
-                        }
+                }
+                // make sure the rewrite-java-lombok dependency comes first
+                boolean found = false;
+                for (int i = 0; i < overrideClasspath.size(); i++) {
+                    if (overrideClasspath.get(i).contains("rewrite-java-lombok")) {
+                        overrideClasspath.add(0, overrideClasspath.remove(i));
+                        found = true;
                     }
-                    if (!found) {
+                }
+                if (!found) {
+                    // try to find `rewrite-java-lombok` using class loader
+                    URL resource = getClass().getClassLoader().getResource("org/openrewrite/java/lombok/OpenRewriteConfigurationKeysLoader.class");
+                    if (resource != null && resource.getProtocol().equals("jar") && resource.getPath().startsWith("file:")) {
+                        String path = Paths.get(URI.create(resource.getPath().substring(0, resource.getPath().indexOf("!")))).toString();
+                        overrideClasspath.add(0, path);
+                    } else {
                         break LOMBOK;
                     }
-                    System.setProperty("shadow.override.lombok", String.join(File.pathSeparator, overrideClasspath));
                 }
+                System.setProperty("shadow.override.lombok", String.join(File.pathSeparator, overrideClasspath));
 
                 Class<?> shadowLoaderClass = Class.forName("lombok.launch.ShadowClassLoader", true, getClass().getClassLoader());
                 Constructor<?> shadowLoaderConstructor = shadowLoaderClass.getDeclaredConstructor(