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#!/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
import util
from string import Template
from util import remove_suffix
callback_suffix = "Callback"
callback_template = Template("""
package $base_package.$callback_package;
/**
* <p>Represents callback for vpe.api message.
* <br>It was generated by callback_gen.py based on $inputfile preparsed data:
* <pre>
$docs
* </pre>
*/
public interface $cls_name extends $base_package.$callback_package.$callback_type {
$callback_method
}
""")
global_callback_template = Template("""
package $base_package.$callback_package;
/**
* <p>Global aggregated callback interface.
* <br>It was generated by callback_gen.py based on $inputfile
* <br>(python representation of vpe.api generated by vppapigen).
*/
public interface JVppGlobalCallback extends $callbacks {
}
""")
def generate_callbacks(func_list, base_package, callback_package, dto_package, inputfile):
""" Generates callback interfaces """
print "Generating Callback interfaces"
if not os.path.exists(callback_package):
raise Exception("%s folder is missing" % callback_package)
callbacks = []
for func in func_list:
if util.is_ignored(func['name']):
continue
camel_case_name_with_suffix = util.underscore_to_camelcase_upper(func['name'])
if not util.is_reply(camel_case_name_with_suffix) and not util.is_notification(func['name']):
continue
if util.is_reply(camel_case_name_with_suffix):
camel_case_name = util.remove_reply_suffix(camel_case_name_with_suffix)
callback_type = "JVppCallback"
else:
camel_case_name_with_suffix = util.add_notification_suffix(camel_case_name_with_suffix)
camel_case_name = camel_case_name_with_suffix
callback_type = "JVppNotificationCallback"
callbacks.append("{0}.{1}.{2}".format(base_package, callback_package, camel_case_name + callback_suffix))
callback_path = os.path.join(callback_package, camel_case_name + callback_suffix + ".java")
callback_file = open(callback_path, 'w')
reply_type = "%s.%s.%s" % (base_package, dto_package, camel_case_name_with_suffix)
method = "void on{0}({1} reply);".format(camel_case_name_with_suffix, reply_type)
callback_file.write(
callback_template.substitute(inputfile=inputfile,
docs=util.api_message_to_javadoc(func),
cls_name=camel_case_name + callback_suffix,
callback_method=method,
base_package=base_package,
callback_package=callback_package,
callback_type=callback_type))
callback_file.flush()
callback_file.close()
callback_file = open(os.path.join(callback_package, "JVppGlobalCallback.java"), 'w')
callback_file.write(global_callback_template.substitute(inputfile=inputfile,
callbacks=", ".join(callbacks),
base_package=base_package,
callback_package=callback_package))
callback_file.flush()
callback_file.close()
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