98 lines
3.1 KiB
Java
98 lines
3.1 KiB
Java
/* ====================================================================
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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 java.io.UnsupportedEncodingException;
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import org.apache.poi.util.CodePageUtil;
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/**
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* Biff2 - Biff 4 Label Record (0x0007 / 0x0207) - read only support for
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* formula string results.
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*/
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public final class OldStringRecord {
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public final static short biff2_sid = 0x0007;
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public final static short biff345_sid = 0x0207;
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private short sid;
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private short field_1_string_len;
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private byte[] field_2_bytes;
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private CodepageRecord codepage;
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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 OldStringRecord(RecordInputStream in) {
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sid = in.getSid();
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if (in.getSid() == biff2_sid) {
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field_1_string_len = (short)in.readUByte();
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} else {
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field_1_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_2_bytes = new byte[field_1_string_len];
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in.read(field_2_bytes, 0, field_1_string_len);
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}
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public boolean isBiff2() {
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return sid == biff2_sid;
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}
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public short getSid() {
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return sid;
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}
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public void setCodePage(CodepageRecord codepage) {
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this.codepage = codepage;
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}
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/**
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* @return The string represented by this record.
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*/
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public String getString()
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{
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return getString(field_2_bytes, codepage);
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}
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protected static String getString(byte[] data, CodepageRecord codepage) {
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int cp = CodePageUtil.CP_ISO_8859_1;
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if (codepage != null) {
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cp = codepage.getCodepage() & 0xffff;
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}
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try {
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return CodePageUtil.getStringFromCodePage(data, cp);
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} catch (UnsupportedEncodingException uee) {
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throw new IllegalArgumentException("Unsupported codepage requested", uee);
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}
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}
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public String toString()
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{
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StringBuffer buffer = new StringBuffer();
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buffer.append("[OLD STRING]\n");
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buffer.append(" .string = ")
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.append(getString()).append("\n");
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buffer.append("[/OLD STRING]\n");
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return buffer.toString();
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}
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}
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