package com.thinkbiganalytics.nifi.rest.model.flow;
/*-
* #%L
* thinkbig-nifi-flow-visitor-model
* %%
* Copyright (C) 2017 ThinkBig Analytics
* %%
* 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.
* #L%
*/
import org.apache.commons.lang3.StringUtils;
import org.apache.nifi.web.api.dto.ConnectionDTO;
import java.util.Set;
import java.util.stream.Collectors;
/**
* Convert a Nifi Connection {@link ConnectionDTO} to a simplified {@link NifiFlowConnection}
*/
public class NiFiFlowConnectionConverter {
/**
* Convert a Nifi Connection {@link ConnectionDTO} to a simplified {@link NifiFlowConnection}
*
* @param connectionDTO the Nifi connection
* @return the converted simplified connection
*/
public static NifiFlowConnection toNiFiFlowConnection(ConnectionDTO connectionDTO) {
if (connectionDTO != null) {
String name = connectionDTO.getName();
if (StringUtils.isBlank(name)) {
Set<String> relationships = connectionDTO.getSelectedRelationships();
if (relationships != null) {
name = relationships.stream().collect(Collectors.joining(","));
}
}
NifiFlowConnection
connection =
new NifiFlowConnection(connectionDTO.getId(), name, connectionDTO.getSource() != null ? connectionDTO.getSource().getId() : null,
connectionDTO.getDestination() != null ? connectionDTO.getDestination().getId() : null);
return connection;
}
return null;
}
}