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Java > Open Source Codes > org > apache > tools > ant > input > InputHandler


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17  */

18
19 package org.apache.tools.ant.input;
20
21 /**
22  * Plugin to Ant to handle requests for user input.
23  *
24  * @since Ant 1.5
25  */

26 public interface InputHandler {
27
28     /**
29      * Handle the request encapsulated in the argument.
30      *
31      * <p>Precondition: the request.getPrompt will return a non-null
32      * value.</p>
33      *
34      * <p>Postcondition: request.getInput will return a non-null
35      * value, request.isInputValid will return true.</p>
36      * @param request the request to be processed
37      * @throws org.apache.tools.ant.BuildException if the input cannot be read from the console
38      */

39     void handleInput(InputRequest request)
40         throws org.apache.tools.ant.BuildException;
41 }
42
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