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#!/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)""")
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