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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  }