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
   *
   *      https://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.ivy.osgi.repo;
  
  import java.io.File;
  import java.io.IOException;
  import java.io.InputStream;
  import java.net.URI;
  import java.net.URISyntaxException;
  import java.util.Arrays;
  import java.util.Collections;
  import java.util.List;
  
  import org.apache.ivy.plugins.repository.Repository;
  import org.apache.ivy.plugins.repository.Resource;
  import org.apache.ivy.plugins.resolver.util.ResolverHelper;
  
  public class RepositoryManifestIterable extends AbstractFSManifestIterable<String> {
  
      private final Repository repo;
  
      /**
       * Default constructor
       *
       * @param repo
       *            the root directory of the file system to lookup
       */
      public RepositoryManifestIterable(Repository repo) {
          super("");
          this.repo = repo;
      }
  
      protected URI buildBundleURI(String location) throws IOException {
          Resource resource = repo.getResource(location);
          // We have a resource to transform into an URI, let's use some heuristics
          try {
              return new URI(resource.getName());
          } catch (URISyntaxException e) {
              return new File(resource.getName()).toURI();
          }
      }
  
      protected InputStream getInputStream(String f) throws IOException {
          return repo.getResource(f).openStream();
      }
  
      protected List<String> listBundleFiles(String dir) throws IOException {
          return asList(ResolverHelper.listAll(repo, dir));
      }
  
      protected List<String> listDirs(String dir) throws IOException {
          return asList(ResolverHelper.listAll(repo, dir));
      }
  
      private List<String> asList(String[] array) {
          if (array == null) {
              return Collections.emptyList();
          }
          return Arrays.asList(array);
      }
  }
  