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.poi.hssf.record.formula;
19:
20: import org.apache.poi.hssf.model.Workbook;
21: import org.apache.poi.hssf.record.RecordInputStream;
22:
23: /**
24: * @author Glen Stampoultzis (glens at apache.org)
25: */
26: public class UnionPtg extends OperationPtg {
27: public final static byte sid = 0x10;
28:
29: public UnionPtg() {
30: }
31:
32: public UnionPtg(RecordInputStream in) {
33: // doesn't need anything
34: }
35:
36: public int getSize() {
37: return 1;
38: }
39:
40: public void writeBytes(byte[] array, int offset) {
41: array[offset + 0] = sid;
42: }
43:
44: public Object clone() {
45: return new UnionPtg();
46: }
47:
48: public int getType() {
49: return TYPE_BINARY;
50: }
51:
52: /** Implementation of method from Ptg */
53: public String toFormulaString(Workbook book) {
54: return ",";
55: }
56:
57: /** implementation of method from OperationsPtg*/
58: public String toFormulaString(String[] operands) {
59: StringBuffer buffer = new StringBuffer();
60:
61: buffer.append(operands[0]);
62: buffer.append(",");
63: buffer.append(operands[1]);
64: return buffer.toString();
65: }
66:
67: public int getNumberOfOperands() {
68: return 2;
69: }
70:
71: }
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