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 "Zoom" tag
27: *
28: * This element contains the most recently zoom factor
29: *
30: * This element is not used in HSSFSerializer 1.0
31: *
32: * @author Marc Johnson (marc_johnson27591@hotmail.com)
33: * @version CVS $Id: EPZoom.java 433543 2006-08-22 06:22:54Z crossley $
34: */
35: public class EPZoom extends BaseElementProcessor {
36: private NumericResult _zoom;
37:
38: /**
39: * constructor
40: */
41: public EPZoom() {
42: super (null);
43: _zoom = null;
44: }
45:
46: /**
47: * get the most recently used zoom factor
48: * @return zoom factor
49: * @exception IOException if the data is malformed
50: */
51: public double getZoom() throws IOException {
52: if (_zoom == null) {
53: _zoom = NumericConverter.extractDouble(getData());
54: }
55: return _zoom.doubleValue();
56: }
57: } // end public class EPZoom
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