3 # Copyright (c) 2016 Cisco and/or its affiliates.
4 # Licensed under the Apache License, Version 2.0 (the "License");
5 # you may not use this file except in compliance with the License.
6 # You may obtain a copy of the License at:
8 # http://www.apache.org/licenses/LICENSE-2.0
10 # Unless required by applicable law or agreed to in writing, software
11 # distributed under the License is distributed on an "AS IS" BASIS,
12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 # See the License for the specific language governing permissions and
14 # limitations under the License.
17 from string import Template
19 jvpp_ifc_template = Template("""
20 package $base_package;
24 * <p>Java representation of vpe.api.
25 * <br>It was generated by jvpp_impl_gen.py based on $inputfile
26 * <br>(python representation of vpe.api generated by vppapigen).
28 public interface JVpp extends java.lang.AutoCloseable {
31 * Generic dispatch method for sending requests to VPP
33 int send($base_package.$dto_package.JVppRequest request);
42 jvpp_impl_template = Template("""
43 package $base_package;
46 * <p>Default implementation of JVpp interface.
47 * <br>It was generated by jvpp_impl_gen.py based on $inputfile
48 * <br>(python representation of vpe.api generated by vppapigen).
50 public final class JVppImpl implements $base_package.JVpp {
52 private final $base_package.VppConnection connection;
54 public JVppImpl(final $base_package.VppConnection connection) {
55 this.connection = java.util.Objects.requireNonNull(connection,"Connection is null");
64 public int send($base_package.$dto_package.JVppRequest request) {
65 return request.send(this);
72 method_template = Template(""" int $name($base_package.$dto_package.$request request);""")
73 method_native_template = Template(
74 """ private static native int ${name}0($base_package.$dto_package.$request request);""")
75 method_impl_template = Template(""" public final int $name($base_package.$dto_package.$request request) {
77 throw new java.lang.NullPointerException("Null request object");
79 connection.checkActive();
80 return ${name}0(request);
84 no_arg_method_template = Template(""" int $name();""")
85 no_arg_method_native_template = Template(""" private static native int ${name}0();""")
86 no_arg_method_impl_template = Template(""" public final int $name() {
87 connection.checkActive();
93 def generate_jvpp(func_list, base_package, dto_package, inputfile):
94 """ Generates JVpp interface and JNI implementation """
95 print "Generating JVpp"
99 for func in func_list:
101 if util.is_notification(func['name']) or util.is_ignored(func['name']):
102 # TODO handle notifications
105 camel_case_name = util.underscore_to_camelcase(func['name'])
106 camel_case_name_upper = util.underscore_to_camelcase_upper(func['name'])
107 if util.is_reply(camel_case_name):
110 if len(func['args']) == 0:
111 methods.append(no_arg_method_template.substitute(name=camel_case_name,
112 base_package=base_package,
113 dto_package=dto_package))
115 no_arg_method_native_template.substitute(name=camel_case_name,
116 base_package=base_package,
117 dto_package=dto_package))
118 methods_impl.append(no_arg_method_impl_template.substitute(name=camel_case_name,
119 base_package=base_package,
120 dto_package=dto_package))
122 methods.append(method_template.substitute(name=camel_case_name,
123 request=camel_case_name_upper,
124 base_package=base_package,
125 dto_package=dto_package))
126 methods_impl.append(method_native_template.substitute(name=camel_case_name,
127 request=camel_case_name_upper,
128 base_package=base_package,
129 dto_package=dto_package))
130 methods_impl.append(method_impl_template.substitute(name=camel_case_name,
131 request=camel_case_name_upper,
132 base_package=base_package,
133 dto_package=dto_package))
135 jvpp_file = open("JVpp.java", 'w')
137 jvpp_ifc_template.substitute(inputfile=inputfile,
138 methods="\n".join(methods),
139 base_package=base_package,
140 dto_package=dto_package))
144 jvpp_file = open("JVppImpl.java", 'w')
145 jvpp_file.write(jvpp_impl_template.substitute(inputfile=inputfile,
146 methods="\n".join(methods_impl),
147 base_package=base_package,
148 dto_package=dto_package))