/*
* 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.EndpointResponseMerger;
import org.apache.nifi.cluster.manager.NodeResponse;
import org.apache.nifi.cluster.manager.ProcessGroupEntityMerger;
import org.apache.nifi.cluster.protocol.NodeIdentifier;
import org.apache.nifi.web.api.entity.ProcessGroupEntity;
import java.net.URI;
import java.util.Map;
import java.util.Set;
import java.util.regex.Pattern;
public class ProcessGroupEndpointMerger extends AbstractSingleEntityEndpoint<ProcessGroupEntity> implements EndpointResponseMerger {
public static final Pattern PROCESS_GROUP_URI_PATTERN = Pattern.compile("/nifi-api/process-groups/(?:(?:root)|(?:[a-f0-9\\-]{36}))");
public static final Pattern CONTROLLER_ARCHIVE_URI_PATTERN = Pattern.compile("/nifi-api/controller/archive");
private ProcessGroupEntityMerger processGroupEntityMerger = new ProcessGroupEntityMerger();
@Override
public boolean canHandle(final URI uri, final String method) {
if ("GET".equalsIgnoreCase(method) && (PROCESS_GROUP_URI_PATTERN.matcher(uri.getPath()).matches() || CONTROLLER_ARCHIVE_URI_PATTERN.matcher(uri.getPath()).matches())) {
return true;
} else if ("PUT".equalsIgnoreCase(method) && PROCESS_GROUP_URI_PATTERN.matcher(uri.getPath()).matches()) {
return true;
}
return false;
}
@Override
protected Class<ProcessGroupEntity> getEntityClass() {
return ProcessGroupEntity.class;
}
@Override
protected void mergeResponses(ProcessGroupEntity clientEntity, Map<NodeIdentifier, ProcessGroupEntity> entityMap, Set<NodeResponse> successfulResponses, Set<NodeResponse> problematicResponses) {
processGroupEntityMerger.merge(clientEntity, entityMap);
}
}