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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 1379901 2012-09-01 23:44:49Z dennisl $
27   * @since 2.8
28   */
29  public class UrlBuilder
30  {
31      private static final String AMPERSAND = "&";
32      private static final String QUESTION_MARK = "?";
33  
34      private StringBuilder query = new StringBuilder();
35  
36      public UrlBuilder( String url, String context )
37      {
38          query.append( url ).append( "/" ).append( context );
39      }
40  
41      public UrlBuilder addParameter( String key, String value )
42      {
43          if ( key != null && value != null )
44          {
45              if ( query.toString().contains( QUESTION_MARK ) )
46              {
47                  query.append( AMPERSAND );
48              }
49              else
50              {
51                  query.append( QUESTION_MARK );
52              }
53              query.append( key + "=" + value );
54          }
55          return this;
56      }
57  
58      public UrlBuilder addParameter( String key, int value )
59      {
60          addParameter( key, String.valueOf( value ) );
61          return this;
62      }
63  
64      public String build()
65      {
66          return query.toString();
67      }
68  }