/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.nifi.cluster.coordination.http.endpoints;
import org.apache.nifi.cluster.coordination.http.endpoints.AbstractSingleEntityEndpoint;
import org.apache.nifi.cluster.manager.NodeResponse;
import org.apache.nifi.cluster.manager.PermissionsDtoMerger;
import org.apache.nifi.cluster.protocol.NodeIdentifier;
import org.apache.nifi.web.api.entity.ControllerConfigurationEntity;
import java.net.URI;
import java.util.Map;
import java.util.Set;
import java.util.regex.Pattern;
public class ControllerConfigurationEndpointMerger extends AbstractSingleEntityEndpoint<ControllerConfigurationEntity> {
public static final Pattern CONTROLLER_CONFIGURATION_URI_PATTERN = Pattern.compile("/nifi-api/controller/config");
@Override
protected Class<ControllerConfigurationEntity> getEntityClass() {
return ControllerConfigurationEntity.class;
}
@Override
protected void mergeResponses(ControllerConfigurationEntity clientEntity, Map<NodeIdentifier, ControllerConfigurationEntity> entityMap, Set<NodeResponse> successfulResponses,
Set<NodeResponse> problematicResponses) {
entityMap.values().stream().forEach(controllerConfigurationDTO -> PermissionsDtoMerger.mergePermissions(clientEntity.getPermissions(), controllerConfigurationDTO.getPermissions()));
if (!clientEntity.getPermissions().getCanRead() && clientEntity.getComponent() != null) {
clientEntity.setComponent(null);
}
}
@Override
public boolean canHandle(URI uri, String method) {
return ("GET".equalsIgnoreCase(method) || "PUT".equalsIgnoreCase(method)) && CONTROLLER_CONFIGURATION_URI_PATTERN.matcher(uri.getPath()).matches();
}
}