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authorOle Troan <ot@cisco.com>2018-11-28 11:36:05 +0100
committerNeale Ranns <nranns@cisco.com>2018-12-13 12:11:50 +0000
commit413f4a5b2123c1625d615315db293a080078482b (patch)
tree6cfd8376c1d84b93793b062731ec9594487dc95e /extras/japi/java
parent6f666ad99ae1e384aa851af5e0feed3d2a25e709 (diff)
API: Use string type instead of u8.
The new string type is modelled after string in proto3. It is always variable length. Change-Id: I64884067e28a80072c8dac31b7c7c82d6e306051 Signed-off-by: Ole Troan <ot@cisco.com> Signed-off-by: Michal Cmarada <mcmarada@cisco.com> Signed-off-by: Ole Troan <ot@cisco.com>
Diffstat (limited to 'extras/japi/java')
-rw-r--r--extras/japi/java/jvpp-common/jvpp_common.h1
-rw-r--r--extras/japi/java/jvpp-core/io/fd/vpp/jvpp/core/examples/CallbackApiExample.java10
-rw-r--r--extras/japi/java/jvpp-core/io/fd/vpp/jvpp/core/examples/CallbackJVppFacadeExample.java16
-rw-r--r--extras/japi/java/jvpp-core/io/fd/vpp/jvpp/core/examples/FutureApiExample.java10
-rw-r--r--extras/japi/java/jvpp-core/io/fd/vpp/jvpp/core/examples/L2AclExample.java2
-rw-r--r--extras/japi/java/jvpp-core/jvpp_core.c5
-rw-r--r--extras/japi/java/jvpp-core/jvpp_core.h61
-rwxr-xr-xextras/japi/java/jvpp/gen/jvppgen/dto_gen.py2
-rwxr-xr-xextras/japi/java/jvpp/gen/jvppgen/jni_common_gen.py20
-rw-r--r--extras/japi/java/jvpp/gen/jvppgen/jvpp_callback_facade_gen.py6
-rwxr-xr-xextras/japi/java/jvpp/gen/jvppgen/jvpp_common_gen.py2
-rw-r--r--extras/japi/java/jvpp/gen/jvppgen/jvpp_future_facade_gen.py6
-rwxr-xr-xextras/japi/java/jvpp/gen/jvppgen/jvpp_impl_gen.py4
-rwxr-xr-xextras/japi/java/jvpp/gen/jvppgen/jvpp_model.py13
-rw-r--r--extras/japi/java/jvpp/gen/jvppgen/notification_gen.py4
15 files changed, 122 insertions, 40 deletions
diff --git a/extras/japi/java/jvpp-common/jvpp_common.h b/extras/japi/java/jvpp-common/jvpp_common.h
index dd48138a536..e12141b08ba 100644
--- a/extras/japi/java/jvpp-common/jvpp_common.h
+++ b/extras/japi/java/jvpp-common/jvpp_common.h
@@ -17,6 +17,7 @@
//
#include <vppinfra/types.h>
#include <vlibapi/api.h>
+#include <vlibapi/api_types.h>
#include <vlibmemory/api.h>
#include <jni.h>
diff --git a/extras/japi/java/jvpp-core/io/fd/vpp/jvpp/core/examples/CallbackApiExample.java b/extras/japi/java/jvpp-core/io/fd/vpp/jvpp/core/examples/CallbackApiExample.java
index b99979cf301..b6558ffaa7e 100644
--- a/extras/japi/java/jvpp-core/io/fd/vpp/jvpp/core/examples/CallbackApiExample.java
+++ b/extras/japi/java/jvpp-core/io/fd/vpp/jvpp/core/examples/CallbackApiExample.java
@@ -77,17 +77,17 @@ public class CallbackApiExample {
System.out.printf("Received ShowVersionReply: context=%d, program=%s, version=%s, "
+ "buildDate=%s, buildDirectory=%s%n",
msg.context,
- new String(msg.program, StandardCharsets.UTF_8),
- new String(msg.version, StandardCharsets.UTF_8),
- new String(msg.buildDate, StandardCharsets.UTF_8),
- new String(msg.buildDirectory, StandardCharsets.UTF_8));
+ msg.program,
+ msg.version,
+ msg.buildDate,
+ msg.buildDirectory);
}
@Override
public void onSwInterfaceDetails(final SwInterfaceDetails msg) {
System.out.printf("Received SwInterfaceDetails: interfaceName=%s, l2AddressLength=%d, adminUpDown=%d, "
+ "linkUpDown=%d, linkSpeed=%d, linkMtu=%d%n",
- new String(msg.interfaceName, StandardCharsets.UTF_8), msg.l2AddressLength, msg.adminUpDown,
+ msg.interfaceName, msg.l2AddressLength, msg.adminUpDown,
msg.linkUpDown, msg.linkSpeed, (int) msg.linkMtu);
}
diff --git a/extras/japi/java/jvpp-core/io/fd/vpp/jvpp/core/examples/CallbackJVppFacadeExample.java b/extras/japi/java/jvpp-core/io/fd/vpp/jvpp/core/examples/CallbackJVppFacadeExample.java
index dc2bdcba569..a8b91860b75 100644
--- a/extras/japi/java/jvpp-core/io/fd/vpp/jvpp/core/examples/CallbackJVppFacadeExample.java
+++ b/extras/japi/java/jvpp-core/io/fd/vpp/jvpp/core/examples/CallbackJVppFacadeExample.java
@@ -39,10 +39,10 @@ public class CallbackJVppFacadeExample {
public void onShowVersionReply(final ShowVersionReply msg) {
System.out.printf("ShowVersionCallback1 received ShowVersionReply: context=%d, program=%s,"
+ "version=%s, buildDate=%s, buildDirectory=%s%n", msg.context,
- new String(msg.program, StandardCharsets.UTF_8),
- new String(msg.version, StandardCharsets.UTF_8),
- new String(msg.buildDate, StandardCharsets.UTF_8),
- new String(msg.buildDirectory, StandardCharsets.UTF_8));
+ msg.program,
+ msg.version,
+ msg.buildDate,
+ msg.buildDirectory);
}
@Override
@@ -57,10 +57,10 @@ public class CallbackJVppFacadeExample {
public void onShowVersionReply(final ShowVersionReply msg) {
System.out.printf("ShowVersionCallback2 received ShowVersionReply: context=%d, program=%s,"
+ "version=%s, buildDate=%s, buildDirectory=%s%n", msg.context,
- new String(msg.program, StandardCharsets.UTF_8),
- new String(msg.version, StandardCharsets.UTF_8),
- new String(msg.buildDate, StandardCharsets.UTF_8),
- new String(msg.buildDirectory, StandardCharsets.UTF_8));
+ msg.program,
+ msg.version,
+ msg.buildDate,
+ msg.buildDirectory);
}
@Override
diff --git a/extras/japi/java/jvpp-core/io/fd/vpp/jvpp/core/examples/FutureApiExample.java b/extras/japi/java/jvpp-core/io/fd/vpp/jvpp/core/examples/FutureApiExample.java
index 931c9b337aa..030e68995a2 100644
--- a/extras/japi/java/jvpp-core/io/fd/vpp/jvpp/core/examples/FutureApiExample.java
+++ b/extras/japi/java/jvpp-core/io/fd/vpp/jvpp/core/examples/FutureApiExample.java
@@ -47,10 +47,10 @@ public class FutureApiExample {
LOG.info(
String.format(
"Received ShowVersionReply: context=%d, program=%s, version=%s, buildDate=%s, buildDirectory=%s%n",
- reply.context, new String(reply.program, StandardCharsets.UTF_8),
- new String(reply.version, StandardCharsets.UTF_8),
- new String(reply.buildDate, StandardCharsets.UTF_8),
- new String(reply.buildDirectory, StandardCharsets.UTF_8)));
+ reply.context, reply.program,
+ reply.version,
+ reply.buildDate,
+ reply.buildDirectory));
}
private static void testEmptyBridgeDomainDump(final FutureJVppCoreFacade jvpp) throws Exception {
@@ -100,7 +100,7 @@ public class FutureApiExample {
LOG.info(
String.format("Received SwInterfaceDetails: interfaceName=%s, l2AddressLength=%d, adminUpDown=%d, "
+ "linkUpDown=%d, linkSpeed=%d, linkMtu=%d%n",
- new String(details.interfaceName, StandardCharsets.UTF_8),
+ details.interfaceName,
details.l2AddressLength, details.adminUpDown,
details.linkUpDown, details.linkSpeed, (int) details.linkMtu));
}
diff --git a/extras/japi/java/jvpp-core/io/fd/vpp/jvpp/core/examples/L2AclExample.java b/extras/japi/java/jvpp-core/io/fd/vpp/jvpp/core/examples/L2AclExample.java
index 9a17136a6d9..0be85d4f17f 100644
--- a/extras/japi/java/jvpp-core/io/fd/vpp/jvpp/core/examples/L2AclExample.java
+++ b/extras/japi/java/jvpp-core/io/fd/vpp/jvpp/core/examples/L2AclExample.java
@@ -75,7 +75,7 @@ public class L2AclExample {
hexChars[j * 2] = hexArray[v >>> 4];
hexChars[j * 2 + 1] = hexArray[v & 0x0F];
}
- return new String(hexChars);
+ return new java.lang.String(hexChars);
}
private static ClassifyTableInfo createClassifyTableInfoRequest(final int tableId) {
diff --git a/extras/japi/java/jvpp-core/jvpp_core.c b/extras/japi/java/jvpp-core/jvpp_core.c
index 09d753026d7..0df8589702c 100644
--- a/extras/japi/java/jvpp-core/jvpp_core.c
+++ b/extras/japi/java/jvpp-core/jvpp_core.c
@@ -14,7 +14,7 @@
*/
#include <vnet/vnet.h>
-
+#include <jvpp-common/jvpp_common.h>
#include <vpp/api/vpe_msg_enum.h>
#define vl_typedefs /* define message structures */
#include <vpp/api/vpe_all_api_h.h>
@@ -24,8 +24,7 @@
#include <vlibapi/api.h>
#include <vlibmemory/api.h>
#include <jni.h>
-
-#include <jvpp-common/jvpp_common.h>
+#include <jvpp_core.h>
// TODO: generate jvpp_plugin_name.c files (or at least reuse plugin's main structure)
typedef struct {
diff --git a/extras/japi/java/jvpp-core/jvpp_core.h b/extras/japi/java/jvpp-core/jvpp_core.h
new file mode 100644
index 00000000000..bbf7a71fa31
--- /dev/null
+++ b/extras/japi/java/jvpp-core/jvpp_core.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2018 Cisco and/or its affiliates.
+ * 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.
+ */
+
+#ifndef VPP_JVPP_CORE_H
+#define VPP_JVPP_CORE_H
+
+#include <vlibapi/api_types.h>
+
+#endif //VPP_JVPP_CORE_H
+
+// /**
+// * Host to network byte order conversion for string type. Converts String in Java to VPP string type.
+// * typedef struct
+// * {
+// * u32 length;
+// * u8 buf[0];
+// * } __attribute__ ((packed)) vl_api_string_t;
+// */
+static void _host_to_net_string(JNIEnv * env, jstring javaString, vl_api_string_t * _net)
+{
+ const char *nativeString = (*env)->GetStringUTFChars(env, javaString, 0);
+ int len = strlen(nativeString);
+
+ vl_api_string_t * vl_api_string = (vl_api_string_t *)calloc(1, (sizeof(vl_api_string_t) + len * sizeof(u8)));
+ if (NULL == vl_api_string)
+ return;
+
+ vl_api_string->length = len;
+ memcpy(vl_api_string->buf, nativeString, len);
+
+ _net = vl_api_string;
+ (*env)->ReleaseStringUTFChars(env, javaString, nativeString);
+}
+
+//
+// /**
+// * Network to host byte order conversion for string type. Converts VPP string type to String in Java
+// * typedef struct
+// * {
+// * u32 length;
+// * u8 buf[0];
+// * } __attribute__ ((packed)) vl_api_string_t;
+// */
+static jstring _net_to_host_string(JNIEnv * env, const vl_api_string_t * _net)
+{
+ jstring jstr = (*env)->NewStringUTF(env, (char *)_net->buf);
+
+ return jstr;
+}
diff --git a/extras/japi/java/jvpp/gen/jvppgen/dto_gen.py b/extras/japi/java/jvpp/gen/jvppgen/dto_gen.py
index ca015a30456..cbd969d51fe 100755
--- a/extras/japi/java/jvpp/gen/jvppgen/dto_gen.py
+++ b/extras/japi/java/jvpp/gen/jvppgen/dto_gen.py
@@ -221,7 +221,7 @@ public final class ${details_class}ReplyDump implements io.fd.vpp.jvpp.dto.JVppR
}
@Override
- public String toString() {
+ public java.lang.String toString() {
return "${details_class}ReplyDump{" +
"${details_field}=" + ${details_field} + "}";
}
diff --git a/extras/japi/java/jvpp/gen/jvppgen/jni_common_gen.py b/extras/japi/java/jvpp/gen/jvppgen/jni_common_gen.py
index 708cc1cba81..b52e5ff2d2c 100755
--- a/extras/japi/java/jvpp/gen/jvppgen/jni_common_gen.py
+++ b/extras/japi/java/jvpp/gen/jvppgen/jni_common_gen.py
@@ -165,6 +165,7 @@ def _generate_field_length_check(field):
else:
return ""
+
# Make sure we do not write more elements that are expected
_FIELD_LENGTH_CHECK = Template("""
size_t max_size = ${field_length};
@@ -177,9 +178,13 @@ def _generate_j2c_scalar_swap(field, struct_ref_name, is_alias):
host = field.java_name
if not is_alias:
net = "%s->%s" % (struct_ref_name, field.name)
- return " %s;" % field_type.get_host_to_net_function(host, net)
+ if field_type.name == "string":
+ net = "%s->%s" % (struct_ref_name, field.name)
+ return " _host_to_net_%s(env, %s, (vl_api_string_t *) &%s);" % (field_type.name, host, net)
+ else:
+ return " %s;" % field_type.get_host_to_net_function(host, net)
else:
- net = "%s" % (struct_ref_name)
+ net = "%s" % struct_ref_name
return " *%s;" % field_type.get_host_to_net_function(host, net)
else:
return " %s->%s = %s;" % (struct_ref_name, field.name, field.java_name)
@@ -424,7 +429,10 @@ _C2J_ENUM_SWAP_TEMPLATE = Template("""
def _generate_c2j_primitive_type_swap(msg_java_name, field, object_ref_name, struct_ref_name, is_alias):
field_type = field.type
if not is_alias:
- template = _C2J_PRIMITIVE_TYPE_SWAP_TEMPLATE
+ if field_type.name == "string":
+ template = _C2J_STRING_TYPE_SWAP_TEMPLATE
+ else:
+ template = _C2J_PRIMITIVE_TYPE_SWAP_TEMPLATE
else:
template = _C2J_ALIAS_PRIMITIVE_TYPE_SWAP_TEMPLATE
return template.substitute(
@@ -444,6 +452,12 @@ _C2J_PRIMITIVE_TYPE_SWAP_TEMPLATE = Template("""
""")
+_C2J_STRING_TYPE_SWAP_TEMPLATE = Template("""
+ jfieldID ${java_name}FieldId = (*env)->GetFieldID(env, ${class_ref_name}Class, "${java_name}", "${jni_signature}");
+ (*env)->Set${jni_accessor}Field(env, ${object_ref_name}, ${java_name}FieldId, ${net_to_host_function}(env, (const vl_api_string_t *) &${struct_ref_name}->${c_name}));
+""")
+
+
_C2J_ALIAS_PRIMITIVE_TYPE_SWAP_TEMPLATE = Template("""
jfieldID ${java_name}FieldId = (*env)->GetFieldID(env, ${class_ref_name}Class, "${java_name}", "${jni_signature}");
(*env)->Set${jni_accessor}Field(env, ${object_ref_name}, ${java_name}FieldId, ${net_to_host_function}(*${struct_ref_name}));
diff --git a/extras/japi/java/jvpp/gen/jvppgen/jvpp_callback_facade_gen.py b/extras/japi/java/jvpp/gen/jvppgen/jvpp_callback_facade_gen.py
index c5634de2e48..ebc552bfda6 100644
--- a/extras/japi/java/jvpp/gen/jvppgen/jvpp_callback_facade_gen.py
+++ b/extras/japi/java/jvpp/gen/jvppgen/jvpp_callback_facade_gen.py
@@ -210,7 +210,7 @@ public final class CallbackJVpp${plugin_name}FacadeCallback implements $plugin_p
failedCall.onError(reply);
} catch(RuntimeException ex) {
ex.addSuppressed(reply);
- LOG.log(java.util.logging.Level.WARNING, String.format("Callback: %s failed while handling exception: %s", failedCall, reply), ex);
+ LOG.log(java.util.logging.Level.WARNING, java.lang.String.format("Callback: %s failed while handling exception: %s", failedCall, reply), ex);
}
}
}
@@ -265,7 +265,7 @@ _CALLBACK_METHOD_TEMPLATE = Template("""
$plugin_package.callback.$callback callback;
final int replyId = reply.context;
if (LOG.isLoggable(java.util.logging.Level.FINE)) {
- LOG.fine(String.format("Received ${message} event message: %s", reply));
+ LOG.fine(java.lang.String.format("Received ${message} event message: %s", reply));
}
synchronized(requests) {
callback = ($plugin_package.callback.$callback) requests.remove(replyId);
@@ -282,7 +282,7 @@ _CALLBACK_EVENT_METHOD_TEMPLATE = Template("""
@SuppressWarnings("unchecked")
public void on${message}($plugin_package.dto.${message} notification) {
if (LOG.isLoggable(java.util.logging.Level.FINE)) {
- LOG.fine(String.format("Received ${message} event message: %s", notification));
+ LOG.fine(java.lang.String.format("Received ${message} event message: %s", notification));
}
eventCallback.on${message}(notification);
}
diff --git a/extras/japi/java/jvpp/gen/jvppgen/jvpp_common_gen.py b/extras/japi/java/jvpp/gen/jvppgen/jvpp_common_gen.py
index 83226ea78ac..499adbc3f56 100755
--- a/extras/japi/java/jvpp/gen/jvppgen/jvpp_common_gen.py
+++ b/extras/japi/java/jvpp/gen/jvppgen/jvpp_common_gen.py
@@ -103,7 +103,7 @@ def generate_to_string(class_name, fields):
_TO_STRING_TEMPLATE = Template("""
@Override
- public String toString() {
+ public java.lang.String toString() {
return "$class_name{" +
$to_string_fields
}""")
diff --git a/extras/japi/java/jvpp/gen/jvppgen/jvpp_future_facade_gen.py b/extras/japi/java/jvpp/gen/jvppgen/jvpp_future_facade_gen.py
index 47a9985144d..3da367a4d5f 100644
--- a/extras/japi/java/jvpp/gen/jvppgen/jvpp_future_facade_gen.py
+++ b/extras/japi/java/jvpp/gen/jvppgen/jvpp_future_facade_gen.py
@@ -280,7 +280,7 @@ _FUTURE_JVPP_FACADE_DETAILS_CALLBACK_TEMPLATE = Template("""
io.fd.vpp.jvpp.future.AbstractFutureJVppInvoker.CompletableDumpFuture<$plugin_package.dto.${callback_dto}ReplyDump> completableFuture;
final int replyId = reply.context;
if (LOG.isLoggable(java.util.logging.Level.FINE)) {
- LOG.fine(String.format("Received $callback_dto event message: %s", reply));
+ LOG.fine(java.lang.String.format("Received $callback_dto event message: %s", reply));
}
synchronized(requests) {
completableFuture = (io.fd.vpp.jvpp.future.AbstractFutureJVppInvoker.CompletableDumpFuture<$plugin_package.dto.${callback_dto}ReplyDump>) requests.get(replyId);
@@ -305,7 +305,7 @@ _FUTURE_JVPP_FACADE_REPLY_CALLBACK_TEMPLATE = Template("""
java.util.concurrent.CompletableFuture<io.fd.vpp.jvpp.dto.JVppReply<$plugin_package.dto.$request_dto>> completableFuture;
final int replyId = reply.context;
if (LOG.isLoggable(java.util.logging.Level.FINE)) {
- LOG.fine(String.format("Received $callback_dto event message: %s", reply));
+ LOG.fine(java.lang.String.format("Received $callback_dto event message: %s", reply));
}
synchronized(requests) {
completableFuture =
@@ -331,7 +331,7 @@ _FUTURE_JVPP_FACADE_EVENT_CALLBACK_TEMPLATE = Template("""
@Override
public void on$callback_dto($plugin_package.dto.$callback_dto notification) {
if (LOG.isLoggable(java.util.logging.Level.FINE)) {
- LOG.fine(String.format("Received $callback_dto event message: %s", notification));
+ LOG.fine(java.lang.String.format("Received $callback_dto event message: %s", notification));
}
notificationCallback.on$callback_dto(notification);
}
diff --git a/extras/japi/java/jvpp/gen/jvppgen/jvpp_impl_gen.py b/extras/japi/java/jvpp/gen/jvppgen/jvpp_impl_gen.py
index aff8d7fc99c..376952b620e 100755
--- a/extras/japi/java/jvpp/gen/jvppgen/jvpp_impl_gen.py
+++ b/extras/japi/java/jvpp/gen/jvppgen/jvpp_impl_gen.py
@@ -74,7 +74,7 @@ import io.fd.vpp.jvpp.JVppRegistry;
public final class JVpp${plugin_name}Impl implements $plugin_package.JVpp${plugin_name} {
private final static Logger LOG = Logger.getLogger(JVpp${plugin_name}Impl.class.getName());
- private static final String LIBNAME = "libjvpp_${plugin_name_underscore}.so";
+ private static final java.lang.String LIBNAME = "libjvpp_${plugin_name_underscore}.so";
// FIXME using NativeLibraryLoader makes load fail could not find (WantInterfaceEventsReply).
static {
@@ -151,7 +151,7 @@ _JVPP_IMPL_METHOD_TEMPLATE = Template("""
java.util.Objects.requireNonNull(request, "Null request object");
connection.checkActive();
if (LOG.isLoggable(Level.FINE)) {
- LOG.fine(String.format("Sending $type event message: %s", request));
+ LOG.fine(java.lang.String.format("Sending $type event message: %s", request));
}
int result=${name}0(request);
if (result<0){
diff --git a/extras/japi/java/jvpp/gen/jvppgen/jvpp_model.py b/extras/japi/java/jvpp/gen/jvppgen/jvpp_model.py
index 16099689880..da1e01f5a63 100755
--- a/extras/japi/java/jvpp/gen/jvppgen/jvpp_model.py
+++ b/extras/japi/java/jvpp/gen/jvppgen/jvpp_model.py
@@ -92,9 +92,11 @@ class SimpleType(Type):
# TODO(VPP-1187): add array host to net functions to reduce number of members and simplify JNI generation
class Array(Type):
- def __init__(self, base_type):
+ def __init__(self, base_type, name=None):
+ if name is None:
+ name = base_type.name + _ARRAY_SUFFIX
super(Array, self).__init__(
- name=base_type.name + _ARRAY_SUFFIX,
+ name=name,
java_name=base_type.java_name + _ARRAY_SUFFIX,
java_name_fqn=base_type.java_name_fqn + _ARRAY_SUFFIX,
jni_signature="[%s" % base_type.jni_signature,
@@ -341,6 +343,8 @@ class JVppModel(object):
self._parse_types(types)
def _parse_aliases(self, types):
+
+ # model aliases
for alias_name in self._aliases:
alias = self._aliases[alias_name]
alias_type = {"type": "type"}
@@ -442,7 +446,10 @@ class JVppModel(object):
'i64': SimpleType('i64', 'long', 'J', 'jlong', 'Long',
host_to_net_function='clib_host_to_net_i64',
net_to_host_function='clib_net_to_host_i64'),
- 'f64': SimpleType('f64', 'double', 'D', 'jdouble', 'Double')
+ 'f64': SimpleType('f64', 'double', 'D', 'jdouble', 'Double'),
+ 'string': SimpleType('string', 'String', 'l', 'jstring', 'Object',
+ host_to_net_function='_host_to_net_string',
+ net_to_host_function='_net_to_host_string')
})
for n, t in self._types_by_name.items():
diff --git a/extras/japi/java/jvpp/gen/jvppgen/notification_gen.py b/extras/japi/java/jvpp/gen/jvppgen/notification_gen.py
index 69e870ed33d..fa86fe4bbf2 100644
--- a/extras/japi/java/jvpp/gen/jvppgen/notification_gen.py
+++ b/extras/japi/java/jvpp/gen/jvppgen/notification_gen.py
@@ -117,7 +117,7 @@ _HANDLER_IMPL_TEMPLATE = Template("""
public void on$notification(
final $plugin_package.dto.$notification notification) {
if (LOG.isLoggable(java.util.logging.Level.FINE)) {
- LOG.fine(String.format("Received $notification event message: %s", notification));
+ LOG.fine(java.lang.String.format("Received $notification event message: %s", notification));
}
final io.fd.vpp.jvpp.callback.JVppCallback jVppCallback = registeredCallbacks.get($plugin_package.dto.$notification.class);
if (null != jVppCallback) {
@@ -153,7 +153,7 @@ public final class ${plugin_name}EventRegistryImpl implements ${plugin_name}Even
@Override
public void onError(io.fd.vpp.jvpp.VppCallbackException ex) {
java.util.logging.Logger LOG = java.util.logging.Logger.getLogger(${plugin_name}EventRegistryImpl.class.getName());
- LOG.log(java.util.logging.Level.WARNING, String.format("Received onError exception: call=%s, context=%d, retval=%d%n", ex.getMethodName(),
+ LOG.log(java.util.logging.Level.WARNING, java.lang.String.format("Received onError exception: call=%s, context=%d, retval=%d%n", ex.getMethodName(),
ex.getCtxId(), ex.getErrorCode()), ex);
}
}