+++ /dev/null
-#!/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 callback_gen
-import util
-from string import Template
-
-notification_registry_template = Template("""
-package $plugin_package.$notification_package;
-
-/**
- * <p>Registry for notification callbacks defined in ${plugin_name}.
- * <br>It was generated by notification_gen.py based on $inputfile
- * <br>(python representation of api file generated by vppapigen).
- */
-public interface ${plugin_name}NotificationRegistry extends $base_package.$notification_package.NotificationRegistry {
-
- $register_callback_methods
-
- @Override
- void close();
-}
-""")
-
-global_notification_callback_template = Template("""
-package $plugin_package.$notification_package;
-
-/**
- * <p>Aggregated callback interface for notifications only.
- * <br>It was generated by notification_gen.py based on $inputfile
- * <br>(python representation of api file generated by vppapigen).
- */
-public interface Global${plugin_name}NotificationCallback$callbacks {
-
-}
-""")
-
-notification_registry_impl_template = Template("""
-package $plugin_package.$notification_package;
-
-/**
- * <p>Notification registry delegating notification processing to registered callbacks.
- * <br>It was generated by notification_gen.py based on $inputfile
- * <br>(python representation of api file generated by vppapigen).
- */
-public final class ${plugin_name}NotificationRegistryImpl implements ${plugin_name}NotificationRegistry, Global${plugin_name}NotificationCallback {
-
- // TODO add a special NotificationCallback interface and only allow those to be registered
- private final java.util.concurrent.ConcurrentMap<Class<? extends $base_package.$dto_package.JVppNotification>, $base_package.$callback_package.JVppNotificationCallback> registeredCallbacks =
- new java.util.concurrent.ConcurrentHashMap<>();
-
- $register_callback_methods
- $handler_methods
-
- @Override
- public void close() {
- registeredCallbacks.clear();
- }
-}
-""")
-
-register_callback_impl_template = Template("""
- public java.lang.AutoCloseable register$callback(final $plugin_package.$callback_package.$callback callback){
- if(null != registeredCallbacks.putIfAbsent($plugin_package.$dto_package.$notification.class, callback)){
- throw new IllegalArgumentException("Callback for " + $plugin_package.$dto_package.$notification.class +
- "notification already registered");
- }
- return () -> registeredCallbacks.remove($plugin_package.$dto_package.$notification.class);
- }
-""")
-
-handler_impl_template = Template("""
- @Override
- public void on$notification(
- final $plugin_package.$dto_package.$notification notification) {
- final $base_package.$callback_package.JVppNotificationCallback jVppNotificationCallback = registeredCallbacks.get($plugin_package.$dto_package.$notification.class);
- if (null != jVppNotificationCallback) {
- (($plugin_package.$callback_package.$callback) registeredCallbacks
- .get($plugin_package.$dto_package.$notification.class))
- .on$notification(notification);
- }
- }
-""")
-
-notification_provider_template = Template("""
-package $plugin_package.$notification_package;
-
- /**
- * Provides ${plugin_name}NotificationRegistry.
- * <br>The file was generated by notification_gen.py based on $inputfile
- * <br>(python representation of api file generated by vppapigen).
- */
-public interface ${plugin_name}NotificationRegistryProvider extends $base_package.$notification_package.NotificationRegistryProvider {
-
- @Override
- public ${plugin_name}NotificationRegistry getNotificationRegistry();
-}
-""")
-
-
-def generate_notification_registry(func_list, base_package, plugin_package, plugin_name, notification_package, callback_package, dto_package, inputfile):
- """ Generates notification registry interface and implementation """
- print "Generating Notification interfaces and implementation"
-
- if not os.path.exists(notification_package):
- raise Exception("%s folder is missing" % notification_package)
-
- callbacks = []
- register_callback_methods = []
- register_callback_methods_impl = []
- handler_methods = []
- for func in func_list:
-
- if not util.is_notification(func['name']):
- continue
-
- camel_case_name_with_suffix = util.underscore_to_camelcase_upper(func['name'])
- notification_dto = util.add_notification_suffix(camel_case_name_with_suffix)
- callback_ifc = notification_dto + callback_gen.callback_suffix
- fully_qualified_callback_ifc = "{0}.{1}.{2}".format(plugin_package, callback_package, callback_ifc)
- callbacks.append(fully_qualified_callback_ifc)
-
- # TODO create NotificationListenerRegistration and return that instead of AutoCloseable to better indicate
- # that the registration should be closed
- register_callback_methods.append("java.lang.AutoCloseable register{0}({1} callback);"
- .format(callback_ifc, fully_qualified_callback_ifc))
- register_callback_methods_impl.append(register_callback_impl_template.substitute(plugin_package=plugin_package,
- callback_package=callback_package,
- dto_package=dto_package,
- notification=notification_dto,
- callback=callback_ifc))
- handler_methods.append(handler_impl_template.substitute(base_package=base_package,
- plugin_package=plugin_package,
- callback_package=callback_package,
- dto_package=dto_package,
- notification=notification_dto,
- callback=callback_ifc))
-
-
- callback_file = open(os.path.join(notification_package, "%sNotificationRegistry.java" % plugin_name), 'w')
- callback_file.write(notification_registry_template.substitute(inputfile=inputfile,
- register_callback_methods="\n ".join(register_callback_methods),
- base_package=base_package,
- plugin_package=plugin_package,
- plugin_name=plugin_name,
- notification_package=notification_package))
- callback_file.flush()
- callback_file.close()
-
- callback_file = open(os.path.join(notification_package, "Global%sNotificationCallback.java" % plugin_name), 'w')
-
- global_notification_callback_callbacks = ""
- if (callbacks):
- global_notification_callback_callbacks = " extends " + ", ".join(callbacks)
-
- callback_file.write(global_notification_callback_template.substitute(inputfile=inputfile,
- callbacks=global_notification_callback_callbacks,
- plugin_package=plugin_package,
- plugin_name=plugin_name,
- notification_package=notification_package))
- callback_file.flush()
- callback_file.close()
-
- callback_file = open(os.path.join(notification_package, "%sNotificationRegistryImpl.java" % plugin_name), 'w')
- callback_file.write(notification_registry_impl_template.substitute(inputfile=inputfile,
- callback_package=callback_package,
- dto_package=dto_package,
- register_callback_methods="".join(register_callback_methods_impl),
- handler_methods="".join(handler_methods),
- base_package=base_package,
- plugin_package=plugin_package,
- plugin_name=plugin_name,
- notification_package=notification_package))
- callback_file.flush()
- callback_file.close()
-
- callback_file = open(os.path.join(notification_package, "%sNotificationRegistryProvider.java" % plugin_name), 'w')
- callback_file.write(notification_provider_template.substitute(inputfile=inputfile,
- base_package=base_package,
- plugin_package=plugin_package,
- plugin_name=plugin_name,
- notification_package=notification_package))
- callback_file.flush()
- callback_file.close()
-
Code Review / vpp.git / blobdiff