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PolicyModifyCommandAdapter.java
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/
PolicyModifyCommandAdapter.java
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/*
* Copyright (c) 2019 Contributors to the Eclipse Foundation
*
* See the NOTICE file(s) distributed with this work for additional
* information regarding copyright ownership.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.ditto.protocoladapter.policies;
import static java.util.Objects.requireNonNull;
import org.eclipse.ditto.json.JsonPointer;
import org.eclipse.ditto.protocoladapter.Adaptable;
import org.eclipse.ditto.protocoladapter.HeaderTranslator;
import org.eclipse.ditto.protocoladapter.TopicPath;
import org.eclipse.ditto.protocoladapter.adaptables.MappingStrategiesFactory;
import org.eclipse.ditto.protocoladapter.signals.SignalMapperFactory;
import org.eclipse.ditto.signals.commands.policies.modify.PolicyModifyCommand;
/**
* Adapter for mapping a {@link PolicyModifyCommand} to and from an {@link Adaptable}.
*/
final class PolicyModifyCommandAdapter extends AbstractPolicyAdapter<PolicyModifyCommand<?>> {
private PolicyModifyCommandAdapter(final HeaderTranslator headerTranslator) {
super(MappingStrategiesFactory.getPolicyModifyCommandMappingStrategies(),
SignalMapperFactory.newPolicyModifySignalMapper(), headerTranslator);
}
/**
* Returns a new PolicyModifyCommandAdapter.
*
* @param headerTranslator translator between external and Ditto headers.
* @return the adapter.
*/
public static PolicyModifyCommandAdapter of(final HeaderTranslator headerTranslator) {
return new PolicyModifyCommandAdapter(requireNonNull(headerTranslator));
}
@Override
protected String getType(final Adaptable adaptable) {
final TopicPath topicPath = adaptable.getTopicPath();
final JsonPointer path = adaptable.getPayload().getPath();
final String commandName = getAction(topicPath) + upperCaseFirst(payloadPathMatcher.match(path));
return topicPath.getGroup() + "." + topicPath.getCriterion() + ":" + commandName;
}
}