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Java > Open Source Codes > org > apache > cocoon > components > elementprocessor > impl > poi > hssf > elements > EP_Monochrome


1 /*
2  * Copyright 1999-2004 The Apache Software Foundation.
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 org.apache.cocoon.components.elementprocessor.impl.poi.hssf.elements;
18
19 import org.apache.cocoon.components.elementprocessor.types.BooleanConverter;
20 import org.apache.cocoon.components.elementprocessor.types.BooleanResult;
21
22 import java.io.IOException JavaDoc;
23
24 /**
25  * No-op implementation of ElementProcessor to handle the "monochrome"
26  * tag
27  *
28  * This element has a single attribute, value, which is boolean.
29  *
30  * @author Marc Johnson (marc_johnson27591@hotmail.com)
31  * @version CVS $Id: EP_Monochrome.java 37191 2004-08-30 10:15:06Z antonio $
32  */
33 public class EP_Monochrome extends BaseElementProcessor {
34     private static final String JavaDoc _value_attribute = "value";
35     private BooleanResult _value;
36
37     /**
38      * constructor
39      */
40     public EP_Monochrome() {
41         super(null);
42         _value = null;
43     }
44
45     /**
46      * @return value
47      *
48      * @exception IOException if the value is malformed or missing
49      */
50     public boolean getValue() throws IOException JavaDoc {
51         if (_value == null) {
52             _value = BooleanConverter.extractBoolean(getValue(_value_attribute));
53         }
54         return _value.booleanValue();
55     }
56     
57     /**
58      * Setup whether or not printing is in monochrome:
59      * @exception IOException
60      */
61     public void endProcessing() throws IOException JavaDoc{
62         this.getSheet().setMonochrome(this.getValue());
63     }
64 } // end public class EP_Monochrome
65
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