Encode curly brackets in proxy client

Signed-off-by: jansupol <jan.supol@oracle.com>

Author: jansupol

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

@@ -26,6 +26,7 @@
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.HashMap;
+import java.util.Iterator;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
@@ -77,13 +78,13 @@ void addParameter(final Object value, final Map<Class<?>, Annotation> anns)
             newTarget = newTarget.resolveTemplate(((PathParam) ann).value(), value);
         } else if ((ann = anns.get((QueryParam.class))) != null) {
             if (value instanceof Collection) {
-                newTarget = newTarget.queryParam(((QueryParam) ann).value(), convert((Collection<?>) value));
+                newTarget = newTarget.queryParam(((QueryParam) ann).value(), convert((Collection<?>) value, true));
             } else {
-                newTarget = newTarget.queryParam(((QueryParam) ann).value(), value);
+                newTarget = newTarget.queryParam(((QueryParam) ann).value(), encodeTemplate(value));
             }
         } else if ((ann = anns.get((HeaderParam.class))) != null) {
             if (value instanceof Collection) {
-                headers.addAll(((HeaderParam) ann).value(), convert((Collection<?>) value));
+                headers.addAll(((HeaderParam) ann).value(), convert((Collection<?>) value, false));
             } else {
                 headers.addAll(((HeaderParam) ann).value(), value);
             }
@@ -117,9 +118,9 @@ void addParameter(final Object value, final Map<Class<?>, Annotation> anns)
             }
         } else if ((ann = anns.get((MatrixParam.class))) != null) {
             if (value instanceof Collection) {
-                newTarget = newTarget.matrixParam(((MatrixParam) ann).value(), convert((Collection<?>) value));
+                newTarget = newTarget.matrixParam(((MatrixParam) ann).value(), convert((Collection<?>) value, true));
             } else {
-                newTarget = newTarget.matrixParam(((MatrixParam) ann).value(), value);
+                newTarget = newTarget.matrixParam(((MatrixParam) ann).value(), encodeTemplate(value));
             }
         } else if ((ann = anns.get((FormParam.class))) != null) {
             if (value instanceof Collection) {
@@ -187,8 +188,23 @@ private List<Field> getAllFields(List<Field> fields, Class<?> type) {
         return fields;
     }
 
-    private Object[] convert(final Collection<?> value) {
-        return value.toArray();
+    private Object[] convert(Collection<?> value, boolean encode) {
+        Object[] array = new Object[value.size()];
+        int index = 0;
+        for (Iterator<?> it = value.iterator(); it.hasNext();) {
+            Object o = it.next();
+            array[index++] = o == null ? o : (encode ? encodeTemplate(o) : o.toString());
+        }
+        return array;
+    }
+
+    /**
+     * The Query and Matrix arguments are never templates
+     * @param notNull an Object that is not null
+     * @return encoded curly brackets within the string representation of the {@code notNull}
+     */
+    private String encodeTemplate(Object notNull) {
+        return notNull.toString().replace("{", "%7B").replace("}", "%7D");
     }
 
     public static boolean hasAnyParamAnnotation(final Map<Class<?>, Annotation> anns) {

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

@@ -39,6 +39,7 @@
 import org.glassfish.jersey.server.ResourceConfig;
 import org.glassfish.jersey.test.JerseyTest;
 import org.glassfish.jersey.test.TestProperties;
+import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
@@ -337,4 +338,27 @@ public void testHashCode() throws Exception {
     public void testEquals() {
         assertFalse(resource.equals(resource2), "The two resource instances should not be considered equals as they are unique");
     }
+
+    @Test
+    void testParamWithCurly() {
+        String param = "faulty {";
+
+        String result = resource.getByName(param);
+        Assertions.assertEquals(param, result);
+
+        result = resource.getByNameCookie(param);
+        Assertions.assertEquals(param, result);
+
+        result = resource.getByNameHeader(param);
+        Assertions.assertEquals(param, result);
+
+        result = resource.getByNameMatrix(param);
+        Assertions.assertEquals(param, result);
+
+        result = resource.postByNameFormParam(param);
+        Assertions.assertEquals(param, result);
+
+        result = resource.getId(param);
+        Assertions.assertEquals(param, result);
+    }
 }