| /* |
| * 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.camel.kamelets.catalog; |
| |
| import com.fasterxml.jackson.databind.DeserializationFeature; |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.dataformat.yaml.YAMLFactory; |
| import io.fabric8.camelk.v1alpha1.Kamelet; |
| import io.fabric8.kubernetes.api.model.apiextensions.v1.JSONSchemaProps; |
| import io.github.classgraph.ClassGraph; |
| import io.github.classgraph.ScanResult; |
| import org.apache.camel.kamelets.catalog.model.KameletAnnotationsNames; |
| import org.apache.camel.kamelets.catalog.model.KameletLabelNames; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.stream.Collectors; |
| |
| public class KameletsCatalog { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(KameletsCatalog.class); |
| static final String KAMELETS_DIR = "kamelets"; |
| private static final String KAMELETS_FILE_SUFFIX = ".kamelet.yaml"; |
| private static ObjectMapper mapper = new ObjectMapper(new YAMLFactory()).configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false); |
| private Map<String, Kamelet> kameletModels = new HashMap<>(); |
| private List<String> kameletNames = new ArrayList<>(); |
| |
| public KameletsCatalog() { |
| initCatalog(); |
| kameletNames = kameletModels.keySet().stream().sorted(Comparator.naturalOrder()).map(x -> x).collect(Collectors.toList()); |
| } |
| |
| private void initCatalog() { |
| List<String> resourceNames; |
| try (ScanResult scanResult = new ClassGraph().acceptPaths("/" + KAMELETS_DIR + "/").scan()) { |
| resourceNames = scanResult.getAllResources().getPaths(); |
| } |
| for (String fileName: resourceNames) { |
| String pathInJar = "/" + fileName; |
| try { |
| Kamelet kamelet = mapper.readValue(KameletsCatalog.class.getResourceAsStream(pathInJar), Kamelet.class); |
| kameletModels.put(sanitizeFileName(fileName), kamelet); |
| } catch (IOException e) { |
| LOG.warn("Cannot init Kamelet Catalog with content of " + pathInJar, e); |
| } |
| } |
| } |
| |
| private String sanitizeFileName(String fileName) { |
| int index = fileName.lastIndexOf(KAMELETS_FILE_SUFFIX); |
| if (index > 0) { |
| fileName = fileName.substring(0, index); |
| } |
| String finalName = fileName.substring(9); |
| return finalName; |
| } |
| |
| |
| public Map<String, Kamelet> getKamelets() { |
| return kameletModels; |
| } |
| |
| public List<String> getKameletsName() { |
| return kameletNames; |
| } |
| |
| public List<Kamelet> getKameletsByName(String name) { |
| List<Kamelet> collect = kameletModels.entrySet().stream() |
| .filter(x -> x.getKey().contains(name)) |
| .map(Map.Entry::getValue) |
| .collect(Collectors.toList()); |
| return collect; |
| } |
| |
| public List<Kamelet> getKameletsByType(String type) { |
| List<Kamelet> collect = kameletModels.entrySet().stream() |
| .filter(x -> x.getValue().getMetadata().getLabels().get(KameletLabelNames.KAMELET_LABEL_TYPE).contains(type)) |
| .map(Map.Entry::getValue) |
| .collect(Collectors.toList()); |
| return collect; |
| } |
| |
| public List<Kamelet> getKameletsByGroups(String group) { |
| List<Kamelet> collect = kameletModels.entrySet().stream() |
| .filter(x -> x.getValue().getMetadata().getAnnotations().get(KameletAnnotationsNames.KAMELET_ANNOTATION_GROUP).contains(group)) |
| .map(Map.Entry::getValue) |
| .collect(Collectors.toList()); |
| return collect; |
| } |
| |
| public JSONSchemaProps getKameletDefinition(String name) { |
| Kamelet kamelet = kameletModels.get(name); |
| if (kamelet != null) { |
| return kamelet.getSpec().getDefinition(); |
| } else { |
| return null; |
| } |
| } |
| |
| public List<Kamelet> getKameletByProvider(String provider) { |
| List<Kamelet> collect = kameletModels.entrySet().stream() |
| .filter(x -> x.getValue().getMetadata().getAnnotations().get(KameletAnnotationsNames.KAMELET_ANNOTATION_PROVIDER).equalsIgnoreCase(provider)) |
| .map(Map.Entry::getValue) |
| .collect(Collectors.toList()); |
| if (!collect.isEmpty()) { |
| return collect; |
| } else { |
| return Collections.emptyList(); |
| } |
| } |
| |
| public List<String> getKameletRequiredProperties(String name) { |
| Kamelet kamelet = kameletModels.get(name); |
| if (kamelet != null) { |
| return kamelet.getSpec().getDefinition().getRequired(); |
| } else { |
| return null; |
| } |
| } |
| |
| public List<String> getKameletDependencies(String name) { |
| Kamelet kamelet = kameletModels.get(name); |
| if (kamelet != null) { |
| return kamelet.getSpec().getDependencies(); |
| } else { |
| return null; |
| } |
| } |
| |
| public JsonNode getKameletFlow(String name) { |
| Kamelet kamelet = kameletModels.get(name); |
| if (kamelet != null) { |
| return kamelet.getSpec().getFlow(); |
| } else { |
| return null; |
| } |
| } |
| } |