/*
* 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.PortEntityMerger;
import org.apache.nifi.cluster.protocol.NodeIdentifier;
import org.apache.nifi.web.api.entity.PortEntity;
import java.net.URI;
import java.util.Map;
import java.util.Set;
import java.util.regex.Pattern;
public class PortEndpointMerger extends AbstractSingleEntityEndpoint<PortEntity> implements EndpointResponseMerger {
public static final Pattern INPUT_PORTS_URI_PATTERN = Pattern.compile("/nifi-api/process-groups/(?:(?:root)|(?:[a-f0-9\\-]{36}))/input-ports");
public static final Pattern INPUT_PORT_URI_PATTERN = Pattern.compile("/nifi-api/input-ports/[a-f0-9\\-]{36}");
public static final Pattern OUTPUT_PORTS_URI_PATTERN = Pattern.compile("/nifi-api/process-groups/(?:(?:root)|(?:[a-f0-9\\-]{36}))/output-ports");
public static final Pattern OUTPUT_PORT_URI_PATTERN = Pattern.compile("/nifi-api/output-ports/[a-f0-9\\-]{36}");
private final PortEntityMerger portEntityMerger = new PortEntityMerger();
@Override
public boolean canHandle(final URI uri, final String method) {
return canHandleInputPort(uri, method) || canHandleOutputPort(uri, method);
}
private boolean canHandleInputPort(final URI uri, final String method) {
if (("GET".equalsIgnoreCase(method) || "PUT".equalsIgnoreCase(method)) && (INPUT_PORT_URI_PATTERN.matcher(uri.getPath()).matches())) {
return true;
} else if ("POST".equalsIgnoreCase(method) && INPUT_PORTS_URI_PATTERN.matcher(uri.getPath()).matches()) {
return true;
}
return false;
}
private boolean canHandleOutputPort(final URI uri, final String method) {
if (("GET".equalsIgnoreCase(method) || "PUT".equalsIgnoreCase(method)) && (OUTPUT_PORT_URI_PATTERN.matcher(uri.getPath()).matches())) {
return true;
} else if ("POST".equalsIgnoreCase(method) && OUTPUT_PORTS_URI_PATTERN.matcher(uri.getPath()).matches()) {
return true;
}
return false;
}
@Override
protected Class<PortEntity> getEntityClass() {
return PortEntity.class;
}
@Override
protected void mergeResponses(final PortEntity clientEntity, final Map<NodeIdentifier, PortEntity> entityMap,
final Set<NodeResponse> successfulResponses, final Set<NodeResponse> problematicResponses) {
portEntityMerger.merge(clientEntity, entityMap);
}
}