2014-11-29 19:16:23 -05:00
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/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.hssf.record;
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import org.apache.poi.util.HexDump;
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import org.apache.poi.util.POILogFactory;
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import org.apache.poi.util.POILogger;
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/**
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* Biff2 - Biff 4 Label Record (0x0004 / 0x0204) - read only support for
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* strings stored directly in the cell, from the older file formats that
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* didn't use {@link LabelSSTRecord}
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*/
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2014-11-29 20:20:16 -05:00
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public final class OldLabelRecord extends OldCellRecord {
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private final static POILogger logger = POILogFactory.getLogger(OldLabelRecord.class);
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public final static short biff2_sid = 0x0004;
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public final static short biff345_sid = 0x0204;
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2014-11-30 11:21:39 -05:00
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private short field_4_string_len;
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2016-07-09 14:52:26 -04:00
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private final byte[] field_5_bytes;
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private CodepageRecord codepage;
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2014-11-29 19:16:23 -05:00
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/**
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* @param in the RecordInputstream to read the record from
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*/
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public OldLabelRecord(RecordInputStream in)
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{
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super(in, in.getSid() == biff2_sid);
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2014-11-29 19:16:23 -05:00
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2014-11-29 20:20:16 -05:00
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if (isBiff2()) {
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2014-11-29 19:16:23 -05:00
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field_4_string_len = (short)in.readUByte();
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} else {
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field_4_string_len = in.readShort();
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}
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// Can only decode properly later when you know the codepage
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field_5_bytes = new byte[field_4_string_len];
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in.read(field_5_bytes, 0, field_4_string_len);
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if (in.remaining() > 0) {
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logger.log(POILogger.INFO,
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"LabelRecord data remains: " + in.remaining() +
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" : " + HexDump.toHex(in.readRemainder())
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);
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}
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}
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2014-11-30 11:21:39 -05:00
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public void setCodePage(CodepageRecord codepage) {
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this.codepage = codepage;
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}
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2014-11-29 19:16:23 -05:00
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/**
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* get the number of characters this string contains
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* @return number of characters
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*/
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public short getStringLength()
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{
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return field_4_string_len;
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}
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/**
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* Get the String of the cell
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2016-07-09 14:52:26 -04:00
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*
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* @return the String of the cell
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2014-11-29 19:16:23 -05:00
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*/
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public String getValue()
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{
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return OldStringRecord.getString(field_5_bytes, codepage);
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2014-11-29 19:16:23 -05:00
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}
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/**
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* Not supported
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*
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* @param offset not supported
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* @param data not supported
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* @return not supported
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2014-11-29 19:16:23 -05:00
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*/
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public int serialize(int offset, byte [] data) {
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throw new RecordFormatException("Old Label Records are supported READ ONLY");
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}
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2014-11-29 19:16:23 -05:00
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public int getRecordSize() {
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throw new RecordFormatException("Old Label Records are supported READ ONLY");
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}
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2016-07-09 14:52:26 -04:00
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@Override
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protected void appendValueText(StringBuilder sb) {
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sb.append(" .string_len= ").append(HexDump.shortToHex(field_4_string_len)).append("\n");
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sb.append(" .value = ").append(getValue()).append("\n");
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}
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2016-07-09 14:52:26 -04:00
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@Override
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protected String getRecordName() {
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return "OLD LABEL";
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2014-11-29 19:16:23 -05:00
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}
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}
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