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/*
* Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.netconf.sal.restconf.impl;
import static com.google.common.base.Preconditions.checkArgument;
import static java.util.Objects.requireNonNull;
import com.google.common.collect.ImmutableList;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
import org.opendaylight.yangtools.yang.model.util.SchemaInferenceStack;
class DataNormalizer {
private final DataNormalizationOperation<?> operation;
private final EffectiveModelContext context;
DataNormalizer(final EffectiveModelContext ctx) {
context = requireNonNull(ctx);
operation = DataNormalizationOperation.from(ctx);
}
Entry<YangInstanceIdentifier, SchemaInferenceStack> toNormalized(final YangInstanceIdentifier legacy) {
List<PathArgument> normalizedArgs = new ArrayList<>();
DataNormalizationOperation<?> currentOp = operation;
Iterator<PathArgument> arguments = legacy.getPathArguments().iterator();
SchemaInferenceStack stack = SchemaInferenceStack.of(context);
try {
while (arguments.hasNext()) {
PathArgument legacyArg = arguments.next();
currentOp = currentOp.enterChild(legacyArg, stack);
checkArgument(currentOp != null,
"Legacy Instance Identifier %s is not correct. Normalized Instance Identifier so far %s",
legacy, normalizedArgs);
while (currentOp.isMixin()) {
normalizedArgs.add(currentOp.getIdentifier());
currentOp = currentOp.enterChild(legacyArg.getNodeType(), stack);
}
normalizedArgs.add(legacyArg);
}
} catch (DataNormalizationException e) {
throw new IllegalArgumentException("Failed to normalize path " + legacy, e);
}
return Map.entry(YangInstanceIdentifier.create(normalizedArgs), stack);
}
DataNormalizationOperation<?> getOperation(final YangInstanceIdentifier legacy)
throws DataNormalizationException {
DataNormalizationOperation<?> currentOp = operation;
for (PathArgument pathArgument : legacy.getPathArguments()) {
currentOp = currentOp.getChild(pathArgument);
}
return currentOp;
}
YangInstanceIdentifier toLegacy(final YangInstanceIdentifier normalized) throws DataNormalizationException {
ImmutableList.Builder<PathArgument> legacyArgs = ImmutableList.builder();
DataNormalizationOperation<?> currentOp = operation;
for (PathArgument normalizedArg : normalized.getPathArguments()) {
currentOp = currentOp.getChild(normalizedArg);
if (!currentOp.isMixin()) {
legacyArgs.add(normalizedArg);
}
}
return YangInstanceIdentifier.create(legacyArgs.build());
}
}
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