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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.vpp.util;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkState;
import com.google.common.base.Optional;
import io.fd.honeycomb.translate.spi.write.WriterCustomizer;
import io.fd.honeycomb.translate.write.WriteContext;
import io.fd.honeycomb.translate.write.WriteFailedException;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfaceType;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.openvpp.jvpp.core.future.FutureJVppCore;
/**
* Validation WriteCustomizers for Interface subnodes.
* Validates the type of interface.
*/
public abstract class AbstractInterfaceTypeCustomizer<D extends DataObject>
extends FutureJVppCustomizer implements WriterCustomizer<D> {
protected AbstractInterfaceTypeCustomizer(final FutureJVppCore futureJVppCore) {
super(futureJVppCore);
}
private void checkProperInterfaceType(@Nonnull final WriteContext writeContext,
@Nonnull final InstanceIdentifier<D> id) {
final InstanceIdentifier<Interface> ifcTypeFromIid = id.firstIdentifierOf(Interface.class);
checkArgument(ifcTypeFromIid != null, "Instance identifier does not contain {} type", Interface.class);
checkArgument(id.firstKeyOf(Interface.class) != null, "Instance identifier does not contain keyed {} type",
Interface.class);
final Optional<Interface> interfaceConfig = writeContext.readAfter(ifcTypeFromIid);
checkState(interfaceConfig.isPresent(),
"Unable to get Interface configuration for an interface: %s currently being updated", ifcTypeFromIid);
IllegalInterfaceTypeException
.checkInterfaceType(interfaceConfig.get(), getExpectedInterfaceType());
}
protected abstract Class<? extends InterfaceType> getExpectedInterfaceType();
/**
* Validate expected interface type
*/
@Override
public final void writeCurrentAttributes(@Nonnull final InstanceIdentifier<D> id, @Nonnull final D dataAfter,
@Nonnull final WriteContext writeContext) throws WriteFailedException {
checkProperInterfaceType(writeContext, id);
writeInterface(id, dataAfter, writeContext);
}
protected abstract void writeInterface(final InstanceIdentifier<D> id, final D dataAfter,
final WriteContext writeContext)
throws WriteFailedException;
// Validation for update and delete is not necessary
/**
* Indicates unexpected interface type
*/
protected static final class IllegalInterfaceTypeException extends IllegalArgumentException {
private IllegalInterfaceTypeException(final String msg) {
super(msg);
}
/**
* Check the type of interface equals expected type
*
* @throws IllegalInterfaceTypeException if type of interface is null or not expected
*/
static void checkInterfaceType(@Nonnull final Interface ifc,
@Nonnull final Class<? extends InterfaceType> expectedType) {
if (ifc.getType() == null || !expectedType.equals(ifc.getType())) {
throw new IllegalInterfaceTypeException(String.format(
"Unexpected interface type: %s for interface: %s. Expected interface is: %s", ifc.getType(),
ifc.getName(), expectedType));
}
}
}
}
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