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/*
* 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.
*/
package io.fd.honeycomb.test.tools;
import io.fd.honeycomb.test.tools.annotations.SchemaContextProvider;
import javassist.ClassPool;
import org.apache.commons.lang3.reflect.MethodUtils;
import org.opendaylight.controller.md.sal.binding.impl.BindingToNormalizedNodeCodec;
import org.opendaylight.yangtools.binding.data.codec.gen.impl.StreamWriterGenerator;
import org.opendaylight.yangtools.binding.data.codec.impl.BindingNormalizedNodeCodecRegistry;
import org.opendaylight.yangtools.sal.binding.generator.impl.ModuleInfoBackedContext;
import org.opendaylight.yangtools.sal.binding.generator.util.BindingRuntimeContext;
import org.opendaylight.yangtools.sal.binding.generator.util.JavassistUtils;
import org.opendaylight.yangtools.yang.data.codec.gson.JSONCodecFactory;
import org.opendaylight.yangtools.yang.data.util.AbstractModuleStringInstanceIdentifierCodec;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import static com.google.common.base.Preconditions.checkState;
/**
* Common logic to initialize serializers/deserializers/etc while working with yang based data
*/
interface YangContextProducer {
default ModuleInfoBackedContext getCheckedModuleInfoContext(final Object test)
throws IllegalAccessException, InvocationTargetException {
final Method[] suitableMethods =
MethodUtils.getMethodsWithAnnotation(test.getClass(), SchemaContextProvider.class);
checkState(suitableMethods.length == 1, "Only single method should be @SchemaContextProvider, actual : %s",
suitableMethods);
final Object possibleContext = suitableMethods[0].invoke(test);
checkState(possibleContext instanceof ModuleInfoBackedContext, "%s is not ModuleInfoBackedContext",
possibleContext);
return ModuleInfoBackedContext.class.cast(possibleContext);
}
/**
* Get a codec for instance identifiers.
*/
default AbstractModuleStringInstanceIdentifierCodec getIIDCodec(final ModuleInfoBackedContext ctx)
throws NoSuchMethodException, ClassNotFoundException, InstantiationException, IllegalAccessException,
java.lang.reflect.InvocationTargetException {
// Reusing codec for JSON ... not public so here goes reflection
final JSONCodecFactory jsonCodecFactory = JSONCodecFactory.create(ctx.getSchemaContext());
final Constructor<?> cstr =
Class.forName("org.opendaylight.yangtools.yang.data.codec.gson.JSONStringInstanceIdentifierCodec")
.getDeclaredConstructor(SchemaContext.class, JSONCodecFactory.class);
cstr.setAccessible(true);
return (AbstractModuleStringInstanceIdentifierCodec) cstr.newInstance(ctx.getSchemaContext(), jsonCodecFactory);
}
default BindingToNormalizedNodeCodec createSerializer(final ModuleInfoBackedContext moduleInfoBackedContext) {
final BindingNormalizedNodeCodecRegistry codecRegistry =
new BindingNormalizedNodeCodecRegistry(
StreamWriterGenerator.create(JavassistUtils.forClassPool(ClassPool.getDefault())));
codecRegistry
.onBindingRuntimeContextUpdated(BindingRuntimeContext.create(moduleInfoBackedContext, moduleInfoBackedContext.getSchemaContext()));
return new BindingToNormalizedNodeCodec(moduleInfoBackedContext, codecRegistry);
}
}
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