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-rwxr-xr-xextras/japi/java/jvpp/gen/jvppgen/enums_gen.py74
1 files changed, 74 insertions, 0 deletions
diff --git a/extras/japi/java/jvpp/gen/jvppgen/enums_gen.py b/extras/japi/java/jvpp/gen/jvppgen/enums_gen.py
new file mode 100755
index 00000000000..8ba96558428
--- /dev/null
+++ b/extras/japi/java/jvpp/gen/jvppgen/enums_gen.py
@@ -0,0 +1,74 @@
+#!/usr/bin/env python2
+#
+# Copyright (c) 2016,2018 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.
+from string import Template
+
+from jvpp_model import Enum
+
+
+def generate_enums(work_dir, model, logger):
+ logger.debug("Generating enums for %s " % model.json_api_files)
+
+ for t in model.types:
+ if not isinstance(t, Enum):
+ continue
+ logger.debug("Generating DTO for enum %s", t)
+ type_class_name = t.java_name
+ type_class = _ENUM_TEMPLATE.substitute(
+ plugin_package=model.plugin_package,
+ c_type_name=t.name,
+ json_filename=model.json_api_files,
+ json_definition=t.doc,
+ java_enum_name=type_class_name,
+ constants=_generate_constants(t.constants),
+ value_type=t.value.type.java_name
+ )
+ with open("%s/%s.java" % (work_dir, type_class_name), "w") as f:
+ f.write(type_class)
+
+_ENUM_TEMPLATE = Template("""
+package $plugin_package.types;
+
+/**
+ * <p>This class represents $c_type_name enum definition.
+ * <br>It was generated by enums_gen.py based on $json_filename:
+ * <pre>
+$json_definition
+ * </pre>
+ */
+public enum $java_enum_name {
+$constants;
+
+ public final $value_type value;
+
+ $java_enum_name(final $value_type value) {
+ this.value = value;
+ }
+
+ public static $java_enum_name forValue(final $value_type value) {
+ for ($java_enum_name enumeration : $java_enum_name.values()) {
+ if (value == enumeration.value) {
+ return enumeration;
+ }
+ }
+ return null;
+ }
+}
+""")
+
+
+def _generate_constants(constants):
+ return ",\n".join(_CONSTANT_TEMPLATE.substitute(name=c['name'], value=c['value']) for c in constants)
+
+_CONSTANT_TEMPLATE = Template(""" $name($value)""")