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1   /*
2    * Copyright [2005] [University Corporation for Advanced Internet Development, Inc.]
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    * http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package edu.internet2.middleware.ant.input;
18  
19  import java.util.Iterator;
20  
21  import org.apache.tools.ant.input.DefaultInputHandler;
22  import org.apache.tools.ant.input.InputRequest;
23  
24  /**
25   * Input handler to display of a multiple choice menu
26   * 
27   */
28  public class XMenuInputHandler extends DefaultInputHandler {
29  
30      /**
31       * 
32       */
33      public XMenuInputHandler() {
34  
35          super();
36      }
37  
38      protected String getPrompt(InputRequest request) {
39  
40          String prompt = request.getPrompt();
41          if (request instanceof XMultipleChoiceInputRequest) {
42              StringBuffer sb = new StringBuffer("\n" + prompt);
43              sb.append("\n\n");
44              Iterator i = ((XMultipleChoiceInputRequest) request).getOptions().iterator();
45              boolean first = true;
46              int count = 0;
47              while (i.hasNext()) {
48                  if (!first) {
49                      sb.append("\n");
50                  }
51                  count++;
52                  XInputOption o = (XInputOption) i.next();
53                  sb.append("    " + count + ") " + o.displayName());
54                  if (o.isDefault()) {
55                      sb.append(" (default)");
56                  }
57                  first = false;
58              }
59              prompt = sb.toString();
60          }
61          return prompt;
62      }
63  
64  }