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1   package org.apache.maven.plugin.jira;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  /**
23   * Builder for a URL which build up of host part, a context part and 0 or more parameters.
24   *
25   * @author ton.swieb@finalist.com
26   * @version $Id: UrlBuilder.java 1685894 2015-06-16 19:29:09Z khmarbaise $
27   * @since 2.8
28   */
29  public class UrlBuilder
30  {
31      private static final String AMPERSAND = "&";
32  
33      private static final String QUESTION_MARK = "?";
34  
35      private StringBuilder query = new StringBuilder();
36  
37      public UrlBuilder( String url, String context )
38      {
39          query.append( url ).append( "/" ).append( context );
40      }
41  
42      public UrlBuilder addParameter( String key, String value )
43      {
44          if ( key != null && value != null )
45          {
46              if ( query.toString().contains( QUESTION_MARK ) )
47              {
48                  query.append( AMPERSAND );
49              }
50              else
51              {
52                  query.append( QUESTION_MARK );
53              }
54              query.append( key ).append( "=" ).append( value );
55          }
56          return this;
57      }
58  
59      public UrlBuilder addParameter( String key, int value )
60      {
61          addParameter( key, String.valueOf( value ) );
62          return this;
63      }
64  
65      public String build()
66      {
67          return query.toString();
68      }
69  }