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1   /*
2    * ====================================================================
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *   http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing,
14   * software distributed under the License is distributed on an
15   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16   * KIND, either express or implied.  See the License for the
17   * specific language governing permissions and limitations
18   * under the License.
19   * ====================================================================
20   *
21   * This software consists of voluntary contributions made by many
22   * individuals on behalf of the Apache Software Foundation.  For more
23   * information on the Apache Software Foundation, please see
24   * <http://www.apache.org/>.
25   *
26   */
27  package org.apache.hc.core5.net;
28  
29  import java.net.URISyntaxException;
30  import java.util.BitSet;
31  
32  import org.apache.hc.core5.util.Tokenizer;
33  
34  final class URISupport {
35  
36      static final BitSet HOST_SEPARATORS = new BitSet(256);
37      static final BitSet IPV6_HOST_TERMINATORS = new BitSet(256);
38      static final BitSet PORT_SEPARATORS = new BitSet(256);
39      static final BitSet TERMINATORS = new BitSet(256);
40  
41      static {
42          TERMINATORS.set('/');
43          TERMINATORS.set('#');
44          TERMINATORS.set('?');
45          HOST_SEPARATORS.or(TERMINATORS);
46          HOST_SEPARATORS.set('@');
47          IPV6_HOST_TERMINATORS.set(']');
48          PORT_SEPARATORS.or(TERMINATORS);
49          PORT_SEPARATORS.set(':');
50      }
51  
52      static URISyntaxException createException(
53              final CharSequence input, final Tokenizer.Cursor cursor, final String reason) {
54          return new URISyntaxException(
55                  input.subSequence(cursor.getLowerBound(), cursor.getUpperBound()).toString(),
56                  reason,
57                  cursor.getPos());
58      }
59  
60  }