From 53db9e82888a344ce5ebea566734cf7b8f89f0bc Mon Sep 17 00:00:00 2001
From: Jaroslav Tulach <jaroslav.tulach@oracle.com>
Date: Thu, 14 Oct 2021 11:14:17 +0200
Subject: [PATCH] #1981: Avoid OSGi bundle's dependency on sun.misc package

---
 gson/bnd.bnd                                  |  1 +
 .../com/google/gson/regression/OSGiTest.java  | 49 +++++++++++++++++++
 2 files changed, 50 insertions(+)
 create mode 100644 gson/src/test/java/com/google/gson/regression/OSGiTest.java

diff --git a/gson/bnd.bnd b/gson/bnd.bnd
index 57a8657fd8..6ce7ad1faf 100644
--- a/gson/bnd.bnd
+++ b/gson/bnd.bnd
@@ -5,6 +5,7 @@ Bundle-Vendor: Google Gson Project
 Bundle-ContactAddress: ${project.parent.url}
 Bundle-RequiredExecutionEnvironment: JavaSE-1.6, JavaSE-1.7, JavaSE-1.8
 Require-Capability: osgi.ee;filter:="(&(osgi.ee=JavaSE)(version=1.6))"
+Import-Package: com.google.gson.*,!sun.misc
 
 -removeheaders: Private-Package
 
diff --git a/gson/src/test/java/com/google/gson/regression/OSGiTest.java b/gson/src/test/java/com/google/gson/regression/OSGiTest.java
new file mode 100644
index 0000000000..5a8fbe05c6
--- /dev/null
+++ b/gson/src/test/java/com/google/gson/regression/OSGiTest.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2016 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.gson.regression;
+
+import java.io.IOException;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Enumeration;
+import java.util.List;
+import java.util.jar.Manifest;
+
+import junit.framework.TestCase;
+
+public class OSGiTest extends TestCase {
+    public void testSunMiscImportPackage() throws Exception {
+        Manifest mf = findManifest("com.google.gson");
+        String importPkg = mf.getMainAttributes().getValue("Import-Package");
+        assertNotNull("Import-Package statement is currently there", importPkg);
+        assertEquals("There should be no sun.misc dependency, but was: " + importPkg, -1, importPkg.indexOf("sun.misc"));
+    }
+
+    private Manifest findManifest(String pkg) throws IOException {
+        Enumeration<URL> en = getClass().getClassLoader().getResources("META-INF/MANIFEST.MF");
+        List<URL> urls = new ArrayList<URL>();
+        while (en.hasMoreElements()) {
+            URL u = en.nextElement();
+            Manifest mf = new Manifest(u.openStream());
+            if (pkg.equals(mf.getMainAttributes().getValue("Bundle-SymbolicName"))) {
+                return mf;
+            }
+            urls.add(u);
+        }
+        fail("Cannot find com.google.gson OSGi bundle manifest among: " + urls);
+        return null;
+    }
+}