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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.vfs2.provider;
18  
19  import org.apache.commons.vfs2.FileName;
20  import org.apache.commons.vfs2.FileSystemException;
21  import org.apache.commons.vfs2.FileType;
22  
23  /**
24   * Generic implementation for any URL based file system, without depending on a specific library.
25   * <p>
26   * Parses the URL into user/password/host/port/path/queryString.
27   * </p>
28   */
29  public class GenericURLFileNameParser extends HostFileNameParser {
30  
31      /**
32       * Constructs a new instance.
33       *
34       * @param defaultPort The default port.
35       */
36      public GenericURLFileNameParser(final int defaultPort) {
37          super(defaultPort);
38      }
39  
40      @Override
41      public boolean encodeCharacter(final char ch) {
42          return super.encodeCharacter(ch) || ch == '?';
43      }
44  
45      @Override
46      public FileName parseUri(final VfsComponentContext context, final FileName base, final String fileName)
47              throws FileSystemException {
48          // FTP URI are generic URI (as per RFC 2396)
49          final StringBuilder name = new StringBuilder();
50  
51          // Extract the scheme and authority parts
52          final Authority auth = extractToPath(context, fileName, name);
53  
54          // Extract the queryString
55          final String queryString = UriParser.extractQueryString(name);
56  
57          // Decode and normalise the file name
58          UriParser.canonicalizePath(name, 0, name.length(), this);
59          UriParser.fixSeparators(name);
60          final FileType fileType = UriParser.normalisePath(name);
61          final String path = name.toString();
62  
63          return new GenericURLFileName(auth.getScheme(), auth.getHostName(), auth.getPort(), getDefaultPort(),
64                  auth.getUserName(), auth.getPassword(), path, fileType, queryString);
65      }
66  }