Adding support for private fields in @BeanParam

ext/proxy-client/src/main/java/org/glassfish/jersey/client/proxy/RequestParameters.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2023 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2024 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v. 2.0, which is available at
@@ -156,7 +156,7 @@ private void addBeanParameter(final Object beanParam)
                 anns.put(ann.annotationType(), ann);
             }
 
-            if (hasAnyParamAnnotation(anns)) {
+            if (field.canAccess(beanParam) && hasAnyParamAnnotation(anns)) {
                 value = field.get(beanParam);
             } else {
                 // get getter annotations if there are no field annotations

ext/proxy-client/src/test/java/org/glassfish/jersey/client/proxy/MyBeanParamWithPrivateField.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2024 Oracle and/or its affiliates. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0, which is available at
+ * http://www.eclipse.org/legal/epl-2.0.
+ *
+ * This Source Code may also be made available under the following Secondary
+ * Licenses when the conditions for such availability set forth in the
+ * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
+ * version 2 with the GNU Classpath Exception, which is available at
+ * https://www.gnu.org/software/classpath/license.html.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
+ */
+
+package org.glassfish.jersey.client.proxy;
+
+
+import jakarta.ws.rs.QueryParam;
+
+/**
+ * @author Divyansh Shekhar Gaur
+ */
+public class MyBeanParamWithPrivateField {
+
+    @QueryParam("privateFieldParam")
+    private String privateFieldParam;
+
+    public MyBeanParamWithPrivateField() {}
+
+    public String getPrivateFieldParam() {
+        return privateFieldParam;
+    }
+
+    public void setPrivateFieldParam(String privateFieldParam) {
+        this.privateFieldParam = privateFieldParam;
+    }
+}

ext/proxy-client/src/test/java/org/glassfish/jersey/client/proxy/MyResourceWithBeanParam.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2023 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2024 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v. 2.0, which is available at
@@ -53,6 +53,11 @@ public String echoSubBean(@BeanParam MyGetBeanParam bean) {
         return bean.getSubBeanParam().getSubQueryParam().toString();
     }
 
+    @Override
+    public String echoPrivateField(@BeanParam MyBeanParamWithPrivateField bean) {
+        return bean.getPrivateFieldParam();
+    }
+
     @Override
     public String echo(MyBeanParam bean) {
         return ("HEADER=" + bean.getHeaderParam() + ",PATH=" + bean.getPathParam() + ",FORM="

ext/proxy-client/src/test/java/org/glassfish/jersey/client/proxy/MyResourceWithBeanParamIfc.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2023 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2024 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v. 2.0, which is available at
@@ -59,6 +59,12 @@ public interface MyResourceWithBeanParamIfc {
     @Produces("text/plain")
     public String echoSubBean(@BeanParam MyGetBeanParam bean);
 
+    @POST
+    @Consumes("application/x-www-form-urlencoded")
+    @Path("getPrivateField")
+    @Produces("text/plain")
+    public String echoPrivateField(@BeanParam MyBeanParamWithPrivateField bean);
+
     @POST
     @Consumes("application/x-www-form-urlencoded")
     @Path("all/{pathParam}")

ext/proxy-client/src/test/java/org/glassfish/jersey/client/proxy/WebResourceFactoryBeanParamTest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021, 2023 Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2021, 2024 Oracle and/or its affiliates. All rights reserved.
  *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v. 2.0, which is available at
@@ -138,4 +138,14 @@ public void testSubResource() {
 
         assertEquals("query", response);
     }
+
+    @Test
+    public void testBeanParamPrivateFieldQuery() {
+        MyBeanParamWithPrivateField myGetBeanParam = new MyBeanParamWithPrivateField();
+        myGetBeanParam.setPrivateFieldParam("query");
+
+        String response = resourceWithBeanParam.echoPrivateField(myGetBeanParam);
+
+        assertEquals("query", response);
+    }
 }