| /* |
| * 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.registry.client.impl; |
| |
| import org.apache.commons.lang3.StringUtils; |
| import org.apache.nifi.registry.client.ExtensionClient; |
| import org.apache.nifi.registry.client.NiFiRegistryException; |
| import org.apache.nifi.registry.extension.bundle.BundleType; |
| import org.apache.nifi.registry.extension.component.ExtensionFilterParams; |
| import org.apache.nifi.registry.extension.component.ExtensionMetadataContainer; |
| import org.apache.nifi.registry.extension.component.TagCount; |
| import org.apache.nifi.registry.extension.component.manifest.ExtensionType; |
| import org.apache.nifi.registry.extension.component.manifest.ProvidedServiceAPI; |
| |
| import javax.ws.rs.client.WebTarget; |
| import java.io.IOException; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| public class JerseyExtensionClient extends AbstractJerseyClient implements ExtensionClient { |
| |
| private final WebTarget extensionsTarget; |
| |
| public JerseyExtensionClient(final WebTarget baseTarget) { |
| this(baseTarget, Collections.emptyMap()); |
| } |
| |
| public JerseyExtensionClient(final WebTarget baseTarget, final Map<String, String> headers) { |
| super(headers); |
| this.extensionsTarget = baseTarget.path("extensions"); |
| } |
| |
| @Override |
| public ExtensionMetadataContainer findExtensions(final ExtensionFilterParams filterParams) |
| throws IOException, NiFiRegistryException { |
| |
| return executeAction("Error retrieving extensions", () -> { |
| WebTarget target = extensionsTarget; |
| |
| if (filterParams != null) { |
| final BundleType bundleType = filterParams.getBundleType(); |
| if (bundleType != null) { |
| target = target.queryParam("bundleType", bundleType.toString()); |
| } |
| |
| final ExtensionType extensionType = filterParams.getExtensionType(); |
| if (extensionType != null) { |
| target = target.queryParam("extensionType", extensionType.toString()); |
| } |
| |
| final Set<String> tags = filterParams.getTags(); |
| if (tags != null) { |
| for (final String tag : tags) { |
| target = target.queryParam("tag", tag); |
| } |
| } |
| } |
| |
| return getRequestBuilder(target).get(ExtensionMetadataContainer.class); |
| }); |
| } |
| |
| @Override |
| public ExtensionMetadataContainer findExtensions(final ProvidedServiceAPI serviceAPI) throws IOException, NiFiRegistryException { |
| if (serviceAPI == null |
| || StringUtils.isBlank(serviceAPI.getClassName()) |
| || StringUtils.isBlank(serviceAPI.getGroupId()) |
| || StringUtils.isBlank(serviceAPI.getArtifactId()) |
| || StringUtils.isBlank(serviceAPI.getVersion())) { |
| throw new IllegalArgumentException("Provided service API must be specified with a class, group, artifact, and version"); |
| } |
| |
| return executeAction("Error retrieving extensions", () -> { |
| WebTarget target = extensionsTarget.path("provided-service-api"); |
| target = target.queryParam("className", serviceAPI.getClassName()); |
| target = target.queryParam("groupId", serviceAPI.getGroupId()); |
| target = target.queryParam("artifactId", serviceAPI.getArtifactId()); |
| target = target.queryParam("version", serviceAPI.getVersion()); |
| |
| return getRequestBuilder(target).get(ExtensionMetadataContainer.class); |
| }); |
| } |
| |
| @Override |
| public List<TagCount> getTagCounts() throws IOException, NiFiRegistryException { |
| return executeAction("Error retrieving tag counts", () -> { |
| final WebTarget target = extensionsTarget.path("tags"); |
| |
| final TagCount[] tagCounts = getRequestBuilder(target).get(TagCount[].class); |
| return tagCounts == null ? Collections.emptyList() : Arrays.asList(tagCounts); |
| }); |
| } |
| |
| } |