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.k.core.quarkus.deployment.devmode;
  
  import java.io.IOException;
  import java.nio.file.FileVisitResult;
  import java.nio.file.FileVisitor;
  import java.nio.file.Files;
  import java.nio.file.Path;
  import java.nio.file.Paths;
  import java.nio.file.SimpleFileVisitor;
  import java.nio.file.attribute.BasicFileAttributes;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Objects;
  import java.util.Optional;
  
  import io.quarkus.deployment.annotations.BuildStep;
  import io.quarkus.deployment.builditem.HotDeploymentWatchedFileBuildItem;
  import org.apache.camel.k.support.Constants;
  import org.apache.camel.util.StringHelper;
  import org.apache.commons.io.FilenameUtils;
  import org.eclipse.microprofile.config.Config;
  import org.eclipse.microprofile.config.ConfigProvider;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class HotDeploymentProcessor {
      private static final Logger LOGGER = LoggerFactory.getLogger(HotDeploymentProcessor.class);
  
      @BuildStep
      List<HotDeploymentWatchedFileBuildItem> routes() {
          final Config config = ConfigProvider.getConfig();
          final Optional<String> value = config.getOptionalValue(Constants.PROPERTY_CAMEL_K_ROUTES, String.class);
  
          List<HotDeploymentWatchedFileBuildItem> items = new ArrayList<>();
  
          if (value.isPresent()) {
              for (String source : value.get().split(",", -1)) {
                  String path = StringHelper.after(source, ":");
                  if (path == null) {
                      path = source;
                  }
  
                  Path p = Paths.get(path);
                  if (Files.exists(p)) {
                      LOGGER.info("Register source for hot deployment: {}", p.toAbsolutePath());
                      items.add(new HotDeploymentWatchedFileBuildItem(p.toAbsolutePath().toString()));
                  }
              }
          }
  
          return items;
      }
  
      @BuildStep
      List<HotDeploymentWatchedFileBuildItem> conf() {
          final Config config = ConfigProvider.getConfig();
          final Optional<String> conf = config.getOptionalValue(Constants.PROPERTY_CAMEL_K_CONF, String.class);
          final Optional<String> confd = config.getOptionalValue(Constants.PROPERTY_CAMEL_K_CONF_D, String.class);
  
          List<HotDeploymentWatchedFileBuildItem> items = new ArrayList<>();
  
          if (conf.isPresent()) {
              LOGGER.info("Register conf for hot deployment: {}", conf.get());
              items.add(new HotDeploymentWatchedFileBuildItem(conf.get()));
          }
  
          if (confd.isPresent()) {
              FileVisitor<Path> visitor = new SimpleFileVisitor<Path>() {
                  @Override
                  public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                      Objects.requireNonNull(file);
                      Objects.requireNonNull(attrs);
  
                      String path = file.toFile().getAbsolutePath();
                      String ext = FilenameUtils.getExtension(path);
  
                      if (Objects.equals("properties", ext)) {
                          LOGGER.info("Register conf for hot deployment: {}", path);
                          items.add(new HotDeploymentWatchedFileBuildItem(path));
                      }
  
                      return FileVisitResult.CONTINUE;
                  }
              };
  
              Path root = Paths.get(confd.get());
              if (Files.exists(root)) {
                  try {
                      Files.walkFileTree(root, visitor);
                  } catch (IOException e) {
                      throw new RuntimeException(e);
                  }
              }
          }
  
          return items;
      }
  }
  