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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   * Extended version of <code>org.apache.tools.ant.input.DefaultInputHandler</code>.
    26   */
    27  public class XInputHandler extends DefaultInputHandler {
    28
    29      public XInputHandler() {
    30
    31          super();
    32
    33      }
    34
    35      protected String getPrompt(InputRequest request) {
    36
    37          String prompt = request.getPrompt();
    38          if (request instanceof XMultipleChoiceInputRequest) {
    39              StringBuffer sb = new StringBuffer("\n" + prompt);
    40              sb.append(" [");
    41              Iterator i = ((XMultipleChoiceInputRequest) request).getOptions().iterator();
    42              boolean first = true;
    43              while (i.hasNext()) {
    44                  if (!first) {
    45                      sb.append(",");
    46                  }
    47                  XInputOption o = (XInputOption) i.next();
    48                  sb.append(o.isDefault() ? o.displayName().toUpperCase() : o.displayName());
    49                  first = false;
    50              }
    51              sb.append("]");
    52              prompt = sb.toString();
    53          }
    54          return prompt;
    55      }
    56
    57  }