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.NumericConverter;
21: import org.apache.cocoon.components.elementprocessor.types.NumericResult;
22:
23: import java.io.IOException;
24:
25: /**
26: * No-op implementation of ElementProcessor to handle the "top" tag
27: *
28: * This element has two attributes: Points and PrefUnit
29: *
30: * @author Marc Johnson (marc_johnson27591@hotmail.com)
31: * @version CVS $Id: EP_Top.java 433543 2006-08-22 06:22:54Z crossley $
32: */
33: public class EP_Top extends BaseElementProcessor {
34: private static final String _points_attribute = "Points";
35: private static final String _pref_unit_attribute = "PrefUnit";
36: private NumericResult _points;
37: private NumericResult _pref_unit;
38:
39: /**
40: * constructor
41: */
42: public EP_Top() {
43: super (null);
44: _points = null;
45: _pref_unit = null;
46: }
47:
48: /**
49: * @return points
50: *
51: * @exception IOException
52: */
53: double getPoints() throws IOException {
54: if (_points == null) {
55: _points = NumericConverter
56: .extractDouble(getValue(_points_attribute));
57: }
58: return _points.doubleValue();
59: }
60:
61: /**
62: * @return print unit (always one of the values in PrintUnits)
63: *
64: * @exception IOException
65: */
66:
67: int getPrefUnit() throws IOException {
68: if (_pref_unit == null) {
69: _pref_unit = PrintUnits
70: .extractPrintUnits(getValue(_pref_unit_attribute));
71: }
72: return _pref_unit.intValue();
73: }
74:
75: /**
76: * Setup the top margin
77: * @exception IOException
78: */
79: public void endProcessing() throws IOException {
80: this .getSheet().setTopMargin(getPoints());
81: }
82: } // end public class EP_Top
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