01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * 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: package org.apache.cocoon.components.elementprocessor.impl.poi.hssf.elements;
19:
20: import org.apache.cocoon.components.elementprocessor.types.BooleanConverter;
21: import org.apache.cocoon.components.elementprocessor.types.BooleanResult;
22:
23: import java.io.IOException;
24:
25: /**
26: * No-op implementation of ElementProcessor to handle the "vcenter"
27: * tag
28: *
29: * This element has a single attribute, value, which is boolean.
30: *
31: * @author Marc Johnson (marc_johnson27591@hotmail.com)
32: * @version CVS $Id: EP_VCenter.java 433543 2006-08-22 06:22:54Z crossley $
33: */
34: public class EP_VCenter extends BaseElementProcessor {
35: private static final String _value_attribute = "value";
36: private BooleanResult _value;
37:
38: /**
39: * constructor
40: */
41: public EP_VCenter() {
42: super (null);
43: _value = null;
44: }
45:
46: /**
47: * @return value
48: *
49: * @exception IOException if the value is malformed or missing
50: */
51: public boolean getValue() throws IOException {
52: if (_value == null) {
53: _value = BooleanConverter.extractBoolean(this
54: .getValue(_value_attribute));
55: }
56: return _value.booleanValue();
57: }
58:
59: /**
60: * Setup whether or not the worksheet content is centered (vertically)
61: * on the page when it is printed
62: * @exception IOException
63: */
64: public void endProcessing() throws IOException {
65: this .getSheet().setVCenter(this .getValue());
66: }
67: } // end public class EP_VCenter
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