| /* |
| * 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.ui.extension; |
| |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| /** |
| * Mapping of all discovered UI extensions. |
| */ |
| public class UiExtensionMapping { |
| |
| private final Map<String, List<UiExtension>> uiExtensions = new ConcurrentHashMap<>(); |
| |
| public UiExtensionMapping(Map<String, List<UiExtension>> uiExtensions) { |
| this.uiExtensions.putAll(uiExtensions); |
| } |
| |
| private String getBundleSpecificKey(final String type, final String bundleGroup, final String bundleArtifact, final String bundleVersion) { |
| return type + ":" + bundleGroup + ":" + bundleArtifact + ":" + bundleVersion; |
| } |
| |
| /** |
| * @param type type |
| * @param bundleGroup bundle group |
| * @param bundleArtifact bundle artifact |
| * @param bundleVersion bundle version |
| * @return whether there are any UI extensions for the specified component |
| * type |
| */ |
| public boolean hasUiExtension(final String type, final String bundleGroup, final String bundleArtifact, final String bundleVersion) { |
| // if there is an extension registered with these bundle coordinates use it |
| final String bundleSpecificKey = getBundleSpecificKey(type, bundleGroup, bundleArtifact, bundleVersion); |
| if (uiExtensions.containsKey(bundleSpecificKey)) { |
| return true; |
| } |
| |
| // otherwise fall back to the component type |
| return uiExtensions.containsKey(type); |
| } |
| |
| /** |
| * @param type type |
| * @param bundleGroup bundle group |
| * @param bundleArtifact bundle artifact |
| * @param bundleVersion bundle version |
| * @return the listing of all discovered UI extensions for the specified |
| * component type |
| */ |
| public List<UiExtension> getUiExtension(final String type, final String bundleGroup, final String bundleArtifact, final String bundleVersion) { |
| // if there is an extension registered with these bundle coordinates use it |
| final String bundleSpecificKey = getBundleSpecificKey(type, bundleGroup, bundleArtifact, bundleVersion); |
| if (uiExtensions.containsKey(bundleSpecificKey)) { |
| return uiExtensions.get(bundleSpecificKey); |
| } |
| |
| // otherwise fall back to the component type |
| return uiExtensions.get(type); |
| } |
| |
| /** |
| * Adds additional UI extensions to the mapping. |
| * |
| * @param uiExtensions the additional UI extension mappings. |
| */ |
| public void addUiExtensions(Map<String, List<UiExtension>> uiExtensions) { |
| this.uiExtensions.putAll(uiExtensions); |
| } |
| |
| } |