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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.translate.util.read;
import static com.google.common.base.Preconditions.checkArgument;
import com.google.common.base.Optional;
import io.fd.honeycomb.translate.spi.read.ListReaderCustomizer;
import io.fd.honeycomb.translate.util.ReflectionUtils;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Collections;
import java.util.List;
import javax.annotation.Nonnull;
import org.opendaylight.yangtools.concepts.Builder;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.Identifiable;
import org.opendaylight.yangtools.yang.binding.Identifier;
/**
* Might be slow !
*/
public abstract class ReflexiveListReaderCustomizer<C extends DataObject & Identifiable<K>, K extends Identifier<C>, B extends Builder<C>>
extends ReflexiveReaderCustomizer<C, B>
implements ListReaderCustomizer<C, K, B> {
public ReflexiveListReaderCustomizer(final Class<C> typeClass, final Class<B> builderClass) {
super(typeClass, builderClass);
}
@Override
public void merge(@Nonnull final Builder<? extends DataObject> parentBuilder, @Nonnull final C readValue) {
merge(parentBuilder, Collections.singletonList(readValue));
}
@Override
public void merge(@Nonnull final Builder<? extends DataObject> parentBuilder, @Nonnull final List<C> readData) {
final Optional<Method> method =
ReflectionUtils.findMethodReflex(parentBuilder.getClass(), "set" + getTypeClass().getSimpleName(),
Collections.singletonList(List.class), parentBuilder.getClass());
checkArgument(method.isPresent(), "Unable to set %s to %s", readData, parentBuilder);
try {
method.get().invoke(parentBuilder, readData);
} catch (IllegalAccessException | InvocationTargetException e) {
throw new IllegalArgumentException("Unable to set " + readData + " to " + parentBuilder, e);
}
}
}
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