From 35f5c737882ca304adc7c6155a2c5472a50d9a2f Mon Sep 17 00:00:00 2001
From: Yann Dameron <yannlecorse@gmail.com>
Date: Mon, 30 Mar 2026 13:42:26 +0200
Subject: [PATCH] Introduces dedicated method to split the Export-Package
 content.

---
 .../org/netbeans/core/netigso/Netigso.java    | 49 ++++++++++++++++++-
 .../netbeans/core/netigso/NetigsoTest.java    | 23 +++++++++
 2 files changed, 70 insertions(+), 2 deletions(-)

diff --git a/platform/core.netigso/src/org/netbeans/core/netigso/Netigso.java b/platform/core.netigso/src/org/netbeans/core/netigso/Netigso.java
index 7db6c84dae73..61e6de2d4249 100644
--- a/platform/core.netigso/src/org/netbeans/core/netigso/Netigso.java
+++ b/platform/core.netigso/src/org/netbeans/core/netigso/Netigso.java
@@ -27,16 +27,17 @@
 import java.io.InputStream;
 import java.net.URL;
 import java.security.ProtectionDomain;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Enumeration;
 import java.util.HashMap;
 import java.util.HashSet;
+import java.util.List;
 import java.util.Map;
 import java.util.Properties;
 import java.util.Set;
-import java.util.StringTokenizer;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.jar.JarEntry;
 import java.util.jar.JarFile;
@@ -291,7 +292,7 @@ protected Set<String> createLoader(ModuleInfo m, ProxyClassLoader pcl, File jar)
                         }
                     }
                     if (exported instanceof String) {
-                        for (String p : exported.toString().split(",")) { // NOI18N
+                        for (String p : splitExportPackages(exported.toString())) {
                             pkgs.add(extractBundleName(p));
                         }
                     }
@@ -800,4 +801,48 @@ private static Set<String> findRecursivePkgs(Module m, PackageExport packageExpo
     public final byte[] patchBC(ClassLoader l, String className, ProtectionDomain pd, byte[] arr) {
         return patchByteCode(l, className, pd, arr);
     }
+
+    static List<String> splitExportPackages(String exportPkg) {
+        List<String> elements = new ArrayList<>();
+        StringBuilder buffer = new StringBuilder();
+        boolean inQuotedString = false;
+        for (int i = 0; i < exportPkg.length(); i++) {
+            char nextChar = exportPkg.charAt(i);
+            switch(nextChar) {
+                case '"' -> {
+                    inQuotedString = ! inQuotedString;
+                    buffer.append(nextChar);
+                }
+                case ',' -> {
+                    if (inQuotedString) {
+                        buffer.append(nextChar);
+                    } else {
+                        elements.add(buffer.toString());
+                        buffer.setLength(0);
+                    }
+                }
+                case '\\' -> {
+                    buffer.append(nextChar);
+                    if (inQuotedString) {
+                        if((i + 1) == exportPkg.length()) {
+                            throw new IllegalStateException("Invalid escape sequence");
+                        }
+                        nextChar = exportPkg.charAt(i + 1);
+                        i++;
+                        if (nextChar == '"' || nextChar == '\\') {
+                            buffer.append(nextChar);
+                        } else {
+                            throw new IllegalStateException("Invalid escape sequence");
+                        }
+                    }
+                }
+                default -> buffer.append(nextChar);
+            }
+        }
+        if(! buffer.isEmpty()){
+            elements.add(buffer.toString());
+        }
+        return elements;
+    }
+
 }
diff --git a/platform/core.netigso/test/unit/src/org/netbeans/core/netigso/NetigsoTest.java b/platform/core.netigso/test/unit/src/org/netbeans/core/netigso/NetigsoTest.java
index 8d0d896f7064..c440c9a9482a 100644
--- a/platform/core.netigso/test/unit/src/org/netbeans/core/netigso/NetigsoTest.java
+++ b/platform/core.netigso/test/unit/src/org/netbeans/core/netigso/NetigsoTest.java
@@ -22,6 +22,7 @@
 import java.io.File;
 import java.util.Arrays;
 import java.util.HashSet;
+import java.util.List;
 import org.netbeans.MockModuleInstaller;
 import org.netbeans.MockEvents;
 import org.netbeans.Module;
@@ -213,4 +214,26 @@ public void testNonNumericVersionNumberIsOK() throws Exception {
             mgr.mutexPrivileged().exitWriteAccess();
         }
     }
+
+    public void testSplitExportPackages() {
+        String exportPkgs = "a.b,"
+                + "a.b.c;version=\"1.0.0\";uses:=\"x.y.z,x.y.z.k\","
+                + "a.b.c.d;version=\"1.0.0\","
+                + "a.b.c.e;version=\"1.0.0\";uses:=\"x.y.z\"";
+        List<String> result = Netigso.splitExportPackages(exportPkgs);
+        assertEquals(4, result.size());
+        assertEquals("a.b", result.get(0));
+        assertEquals("a.b.c;version=\"1.0.0\";uses:=\"x.y.z,x.y.z.k\"", result.get(1));
+        assertEquals("a.b.c.d;version=\"1.0.0\"", result.get(2));
+        assertEquals("a.b.c.e;version=\"1.0.0\";uses:=\"x.y.z\"", result.get(3));
+
+        // Test that the \" are ignored.
+        exportPkgs = "x.y.z,a.b.c;a=\"\\\"\",d.e.f";
+        result = Netigso.splitExportPackages(exportPkgs);
+        assertEquals(3, result.size());
+        assertEquals("x.y.z", result.get(0));
+        assertEquals("a.b.c;a=\"\\\"\"", result.get(1));
+        assertEquals("d.e.f", result.get(2));
+    }
+
 }