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: package org.apache.poi.hssf.record.formula;
18:
19: import org.apache.poi.hssf.model.Workbook;
20: import org.apache.poi.hssf.record.RecordInputStream;
21:
22: /**
23: *
24: * @author andy
25: * @author Jason Height (jheight at chariot dot net dot au)
26: */
27:
28: public class UnknownPtg extends Ptg {
29: private short size;
30:
31: /** Creates new UnknownPtg */
32:
33: public UnknownPtg() {
34: }
35:
36: public UnknownPtg(RecordInputStream in) {
37:
38: // doesn't need anything
39: }
40:
41: public void writeBytes(byte[] array, int offset) {
42: }
43:
44: public int getSize() {
45: return size;
46: }
47:
48: public String toFormulaString(Workbook book) {
49: return "UNKNOWN";
50: }
51:
52: public byte getDefaultOperandClass() {
53: return Ptg.CLASS_VALUE;
54: }
55:
56: public Object clone() {
57: return new UnknownPtg();
58: }
59:
60: }
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