| /* |
| * 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.quarkus.core.deployment; |
| |
| import java.io.IOError; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.lang.reflect.Modifier; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.util.AbstractMap; |
| import java.util.HashSet; |
| import java.util.Properties; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| import java.util.stream.Stream; |
| |
| import io.quarkus.deployment.builditem.ApplicationArchivesBuildItem; |
| import org.apache.camel.quarkus.core.deployment.util.PathFilter; |
| import org.jboss.jandex.ClassInfo; |
| |
| public final class CamelSupport { |
| public static final String CAMEL_SERVICE_BASE_PATH = "META-INF/services/org/apache/camel"; |
| public static final String CAMEL_ROOT_PACKAGE_DIRECTORY = "org/apache/camel"; |
| |
| private CamelSupport() { |
| } |
| |
| public static boolean isConcrete(ClassInfo ci) { |
| return (ci.flags() & Modifier.ABSTRACT) == 0; |
| } |
| |
| public static boolean isPublic(ClassInfo ci) { |
| return (ci.flags() & Modifier.PUBLIC) != 0; |
| } |
| |
| public static Stream<Path> safeWalk(Path p) { |
| try { |
| return Files.walk(p); |
| } catch (IOException e) { |
| throw new IOError(e); |
| } |
| } |
| |
| public static Stream<Path> resources(ApplicationArchivesBuildItem archives, String path) { |
| return archives.getAllApplicationArchives().stream() |
| .map(arch -> arch.getArchiveRoot().resolve(path)) |
| .filter(Files::isDirectory) |
| .flatMap(CamelSupport::safeWalk) |
| .filter(Files::isRegularFile); |
| } |
| |
| public static Stream<CamelServiceBuildItem> services(ApplicationArchivesBuildItem archives, PathFilter pathFilter) { |
| return resources(archives, CAMEL_SERVICE_BASE_PATH) |
| .filter(pathFilter.asPathPredicate()) |
| .map(path -> new AbstractMap.SimpleImmutableEntry<>(path, readProperties(path))) |
| .filter(entry -> entry.getValue().getProperty("class") != null) |
| .map(entry -> new CamelServiceBuildItem(entry.getKey(), entry.getValue().getProperty("class"))); |
| } |
| |
| private static Properties readProperties(Path path) { |
| try (InputStream in = Files.newInputStream(path)) { |
| final Properties result = new Properties(); |
| result.load(in); |
| return result; |
| } catch (IOException e) { |
| throw new RuntimeException("Could not read " + path, e); |
| } |
| } |
| |
| @SafeVarargs |
| public static <T> Set<T> setOf(T... items) { |
| return Stream.of(items).collect(Collectors.toCollection(HashSet::new)); |
| } |
| |
| } |