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.IOException;
  import java.net.URI;
  import java.net.URISyntaxException;
  import java.net.URL;
  import java.util.HashMap;
  import java.util.Map;
  
  import org.apache.ivy.core.settings.TimeoutConstraint;
  import org.apache.ivy.plugins.repository.Resource;
  import org.apache.ivy.plugins.repository.url.URLRepository;
  import org.apache.ivy.plugins.repository.url.URLResource;
  
  public class RelativeURLRepository extends URLRepository {
  
      private final URL baseUrl;
  
      public RelativeURLRepository() {
          super();
          baseUrl = null;
      }
  
      /**
       *
       * @param baseUrl ditto
       * @deprecated Since 2.5. Use {@link #RelativeURLRepository(URL, TimeoutConstraint)} instead
       */
      @Deprecated
      public RelativeURLRepository(URL baseUrl) {
          this(baseUrl, null);
      }
  
      public RelativeURLRepository(final URL baseUrl, final TimeoutConstraint timeoutConstraint) {
          super(timeoutConstraint);
          this.baseUrl = baseUrl;
      }
  
  
      private Map<String, Resource> resourcesCache = new HashMap<>();
  
      public Resource getResource(String source) throws IOException {
          source = encode(source);
          Resource res = resourcesCache.get(source);
          if (res == null) {
              URI uri;
              try {
                  uri = new URI(source);
              } catch (URISyntaxException e) {
                  // very weird URL, let's assume it is absolute
                  uri = null;
              }
              if (uri == null || uri.isAbsolute()) {
                  res = new URLResource(new URL(source), getTimeoutConstraint());
              } else {
                  res = new URLResource(new URL(baseUrl + source), getTimeoutConstraint());
              }
              resourcesCache.put(source, res);
          }
          return res;
      }
  
      private static String encode(String source) {
          // TODO: add some more URL encodings here
          return source.trim().replaceAll(" ", "%20");
      }
  
  }
  