content: /*
   * Copyright 2010-2025 Hyland Software, Inc. and its affiliates.
   *
   * Licensed 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.activiti.spring.resources;
  
  import static java.util.Arrays.asList;
  
  import java.io.IOException;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.stream.Collectors;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.core.io.Resource;
  import org.springframework.core.io.support.ResourcePatternResolver;
  
  public class ResourceFinder {
  
      private static final Logger LOGGER = LoggerFactory.getLogger(ResourceFinder.class);
  
      private ResourcePatternResolver resourceLoader;
  
      public ResourceFinder(ResourcePatternResolver resourceLoader) {
          this.resourceLoader = resourceLoader;
      }
  
      public List<Resource> discoverResources(ResourceFinderDescriptor resourceFinderDescriptor) throws IOException {
          List<Resource> resources = new ArrayList<>();
  
          if (resourceFinderDescriptor.shouldLookUpResources()) {
              for (String suffix : resourceFinderDescriptor.getLocationSuffixes()) {
                  String path = resourceFinderDescriptor.getLocationPrefix() + suffix;
                  resources.addAll(asList(resourceLoader.getResources(path)));
              }
              if (resources.isEmpty()) {
                  LOGGER.info(resourceFinderDescriptor.getMsgForEmptyResources());
              } else {
                  resourceFinderDescriptor.validate(resources);
  
                  List<String> foundResources = resources
                      .stream()
                      .map(Resource::getFilename)
                      .collect(Collectors.toList());
                  LOGGER.info(resourceFinderDescriptor.getMsgForResourcesFound(foundResources));
              }
          }
          return resources;
      }
  }
  