content: /*
   * 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.util.Set;
  import java.util.stream.Collectors;
  
  import io.quarkus.deployment.ApplicationArchive;
  import io.quarkus.deployment.Capabilities;
  import io.quarkus.deployment.annotations.BuildProducer;
  import io.quarkus.deployment.annotations.BuildStep;
  import io.quarkus.deployment.builditem.ApplicationArchivesBuildItem;
  import io.quarkus.maven.dependency.ResolvedDependency;
  import io.quarkus.paths.PathVisit;
  import io.quarkus.paths.PathVisitor;
  import org.apache.camel.quarkus.core.deployment.main.CamelMainHelper;
  import org.apache.camel.quarkus.core.deployment.spi.CamelRouteResourceBuildItem;
  import org.apache.camel.quarkus.core.deployment.util.CamelSupport;
  import org.apache.camel.util.FileUtil;
  
  import static org.apache.camel.quarkus.core.deployment.util.CamelSupport.CLASSPATH_PREFIX;
  
  class CamelRouteResourcesProcessor {
      @BuildStep
      void camelRouteResources(
              Capabilities capabilities,
              ApplicationArchivesBuildItem applicationArchives,
              BuildProducer<CamelRouteResourceBuildItem> routeResource) {
  
          if (CamelSupport.isRouteResourceDslCapabilitiesPresent(capabilities)) {
              // Classpath route resources
              Set<String> classpathIncludePatterns = CamelMainHelper.routesIncludePattern()
                      .filter(pattern -> !pattern.contains(":") || pattern.startsWith(CLASSPATH_PREFIX))
                      .map(CamelSupport::stripClasspathScheme)
                      .collect(Collectors.toSet());
  
              if (!classpathIncludePatterns.isEmpty()) {
                  Set<String> routeResourceFileExtensions = CamelSupport.getRouteResourceFileExtensions(capabilities);
                  io.quarkus.paths.PathFilter pathFilter = io.quarkus.paths.PathFilter.forIncludes(classpathIncludePatterns);
  
                  // Search the root application archive for routes
                  ApplicationArchive rootArchive = applicationArchives.getRootArchive();
                  ResolvedDependency rootArchiveDependency = rootArchive.getResolvedDependency();
                  PathVisitor rootArchivePathVisitor = createPathVisitor(routeResourceFileExtensions, routeResource, true);
                  rootArchiveDependency.getContentTree(pathFilter).walk(rootArchivePathVisitor);
  
                  // Search other application archive for routes
                  PathVisitor appArchivePathVisitor = createPathVisitor(routeResourceFileExtensions, routeResource, false);
                  for (ApplicationArchive archive : applicationArchives.getApplicationArchives()) {
                      ResolvedDependency dependency = archive.getResolvedDependency();
                      dependency.getContentTree(pathFilter).walk(appArchivePathVisitor);
                  }
              }
  
              // External file route resources
              CamelMainHelper.routesIncludePattern()
                      .filter(pattern -> pattern.startsWith("file:"))
                      .map(CamelRouteResourceBuildItem::new)
                      .forEach(routeResource::produce);
          }
      }
  
      private PathVisitor createPathVisitor(
              Set<String> routeResourceFileExtensions,
              BuildProducer<CamelRouteResourceBuildItem> routeResource,
              boolean isHotReloadable) {
          return new PathVisitor() {
              @Override
              public void visitPath(PathVisit visit) {
                  String path = visit.getPath().toString();
                  String extension = FileUtil.onlyExt(path);
                  if (routeResourceFileExtensions.contains(extension)) {
                      routeResource.produce(new CamelRouteResourceBuildItem(CLASSPATH_PREFIX + path, isHotReloadable));
                  }
              }
          };
      }
  }
  