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Java > Open Source Codes > org > apache > fop > visual > RedirectorLineHandler


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 /* $Id: RedirectorLineHandler.java 426576 2006-07-28 15:44:37Z jeremias $ */
19
20 package org.apache.fop.visual;
21
22 /**
23  * This interface is used to redirect output from an external application elsewhere.
24  */
25 public interface RedirectorLineHandler {
26
27     /**
28      * Called before the first handleLine() call.
29      */
30     void notifyStart();
31
32     /**
33      * Called for each line of output to be processed.
34      * @param line a line of application output
35      */
36     void handleLine(String JavaDoc line);
37     
38     /**
39      * Called after the last handleLine() call.
40      */
41     void notifyEnd();
42 }
43
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