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-rw-r--r--vpp-api/java/jvpp/gen/jvpp_impl_gen.py140
1 files changed, 140 insertions, 0 deletions
diff --git a/vpp-api/java/jvpp/gen/jvpp_impl_gen.py b/vpp-api/java/jvpp/gen/jvpp_impl_gen.py
new file mode 100644
index 00000000000..5446a694c1b
--- /dev/null
+++ b/vpp-api/java/jvpp/gen/jvpp_impl_gen.py
@@ -0,0 +1,140 @@
+#!/usr/bin/env python
+#
+# Copyright (c) 2016 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.
+
+import os, util
+from string import Template
+
+jvpp_ifc_template = Template("""
+package $base_package;
+
+public interface JVpp extends java.lang.AutoCloseable {
+
+ /**
+ * Generic dispatch method for sending requests to VPP
+ */
+ int send($base_package.$dto_package.JVppRequest request);
+
+ @Override
+ void close();
+
+$methods
+}
+""")
+
+jvpp_impl_template = Template("""
+package $base_package;
+
+public final class JVppImpl implements $base_package.JVpp {
+
+ private final $base_package.VppConnection connection;
+
+ public JVppImpl(final $base_package.VppConnection connection) {
+ if(connection == null) {
+ throw new java.lang.NullPointerException("Connection is null");
+ }
+ this.connection = connection;
+ }
+
+ @Override
+ public void close() {
+ connection.close();
+ }
+
+ @Override
+ public int send($base_package.$dto_package.JVppRequest request) {
+ return request.send(this);
+ }
+
+$methods
+}
+""")
+
+method_template = Template(""" int $name($base_package.$dto_package.$request request);""")
+method_native_template = Template(
+ """ private static native int ${name}0($base_package.$dto_package.$request request);""")
+method_impl_template = Template(""" public final int $name($base_package.$dto_package.$request request) {
+ if(request == null) {
+ throw new java.lang.NullPointerException("Null request object");
+ }
+ connection.checkActive();
+ return ${name}0(request);
+ }
+""")
+
+no_arg_method_template = Template(""" int $name();""")
+no_arg_method_native_template = Template(""" private static native int ${name}0();""")
+no_arg_method_impl_template = Template(""" public final int $name() {
+ connection.checkActive();
+ return ${name}0();
+ }
+""")
+
+
+def generate_jvpp(func_list, base_package, dto_package):
+ """ Generates JVpp interface and JNI implementation """
+ print "Generating JVpp"
+
+ methods = []
+ methods_impl = []
+ for func in func_list:
+
+ if util.is_notification(func['name']) or util.is_ignored(func['name']):
+ # TODO handle notifications
+ continue
+
+ camel_case_name = util.underscore_to_camelcase(func['name'])
+ camel_case_name_upper = util.underscore_to_camelcase_upper(func['name'])
+ if util.is_reply(camel_case_name):
+ continue
+
+ if len(func['args']) == 0:
+ methods.append(no_arg_method_template.substitute(name=camel_case_name,
+ base_package=base_package,
+ dto_package=dto_package))
+ methods_impl.append(
+ no_arg_method_native_template.substitute(name=camel_case_name,
+ base_package=base_package,
+ dto_package=dto_package))
+ methods_impl.append(no_arg_method_impl_template.substitute(name=camel_case_name,
+ base_package=base_package,
+ dto_package=dto_package))
+ else:
+ methods.append(method_template.substitute(name=camel_case_name,
+ request=camel_case_name_upper,
+ base_package=base_package,
+ dto_package=dto_package))
+ methods_impl.append(method_native_template.substitute(name=camel_case_name,
+ request=camel_case_name_upper,
+ base_package=base_package,
+ dto_package=dto_package))
+ methods_impl.append(method_impl_template.substitute(name=camel_case_name,
+ request=camel_case_name_upper,
+ base_package=base_package,
+ dto_package=dto_package))
+
+ jvpp_file = open("JVpp.java", 'w')
+ jvpp_file.write(
+ jvpp_ifc_template.substitute(methods="\n".join(methods),
+ base_package=base_package,
+ dto_package=dto_package))
+ jvpp_file.flush()
+ jvpp_file.close()
+
+ jvpp_file = open("JVppImpl.java", 'w')
+ jvpp_file.write(jvpp_impl_template.substitute(methods="\n".join(methods_impl),
+ base_package=base_package,
+ dto_package=dto_package))
+ jvpp_file.flush()
+ jvpp_file.close()