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


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
26  * "even_if_only_styles" tag
27  *
28  * This element has a single attribute, value, which is boolean.
29  *
30  * This element is not used in HSSFSerializer 1.0
31  *
32  * @author Marc Johnson (marc_johnson27591@hotmail.com)
33  * @version CVS $Id: EP_EvenIfOnlyStyles.java 30932 2004-07-29 17:35:38Z vgritsenko $
34  */
35 public class EP_EvenIfOnlyStyles extends BaseElementProcessor {
36     private static final String JavaDoc _value_attribute = "value";
37     private BooleanResult _value;
38
39     /**
40      * constructor
41      */
42
43     public EP_EvenIfOnlyStyles() {
44         super(null);
45         _value = null;
46     }
47
48     /**
49      * @return value
50      *
51      * @exception IOException if the value is malformed or missing
52      */
53
54     public boolean getValue() throws IOException JavaDoc {
55         if (_value == null) {
56             _value =
57                 BooleanConverter.extractBoolean(getValue(_value_attribute));
58         }
59         return _value.booleanValue();
60     }
61 } // end public class EP_EvenIfOnlyStyles
62
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