205 lines
6.1 KiB
Java
205 lines
6.1 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 org.apache.poi.util.LittleEndian;
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import org.apache.poi.util.StringUtil;
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/**
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* Title: Format Record<P>
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* Description: describes a number format -- those goofy strings like $(#,###)<P>
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*
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* REFERENCE: PG 317 Microsoft Excel 97 Developer's Kit (ISBN: 1-57231-498-2)<P>
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* @author Andrew C. Oliver (acoliver at apache dot org)
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* @author Shawn M. Laubach (slaubach at apache dot org)
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*/
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public final class FormatRecord extends Record {
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public final static short sid = 0x041E;
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private short field_1_index_code;
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private short field_3_unicode_len; // unicode string length
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private boolean field_3_unicode_flag; // it is not undocumented - it is unicode flag
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private String field_4_formatstring;
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public FormatRecord()
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{
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}
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public FormatRecord(RecordInputStream in)
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{
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field_1_index_code = in.readShort();
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field_3_unicode_len = in.readShort();
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field_3_unicode_flag = ( in.readByte() & (byte)0x01 ) != 0;
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if ( field_3_unicode_flag ) {
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// unicode
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field_4_formatstring = in.readUnicodeLEString( field_3_unicode_len );
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}
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else {
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// not unicode
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field_4_formatstring = in.readCompressedUnicode( field_3_unicode_len );
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}
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}
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/**
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* set the format index code (for built in formats)
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*
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* @param index the format index code
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* @see org.apache.poi.hssf.model.Workbook
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*/
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public void setIndexCode(short index)
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{
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field_1_index_code = index;
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}
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/**
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* set the format string length
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*
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* @param len the length of the format string
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* @see #setFormatString(String)
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*/
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public void setFormatStringLength(byte len)
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{
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field_3_unicode_len = len;
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}
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/**
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* set whether the string is unicode
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*
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* @param unicode flag for whether string is unicode
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*/
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public void setUnicodeFlag(boolean unicode) {
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field_3_unicode_flag = unicode;
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}
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/**
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* set the format string
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*
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* @param fs the format string
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* @see #setFormatStringLength(byte)
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*/
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public void setFormatString(String fs)
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{
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field_4_formatstring = fs;
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setUnicodeFlag(StringUtil.hasMultibyte(fs));
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}
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/**
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* get the format index code (for built in formats)
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*
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* @return the format index code
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* @see org.apache.poi.hssf.model.Workbook
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*/
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public short getIndexCode()
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{
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return field_1_index_code;
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}
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/**
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* get the format string length
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*
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* @return the length of the format string
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* @see #getFormatString()
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*/
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/* public short getFormatStringLength()
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{
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return field_3_unicode_flag ? field_3_unicode_len : field_2_formatstring_len;
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}*/
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/**
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* get whether the string is unicode
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*
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* @return flag for whether string is unicode
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*/
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public boolean getUnicodeFlag() {
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return field_3_unicode_flag;
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}
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/**
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* get the format string
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*
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* @return the format string
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*/
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public String getFormatString()
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{
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return field_4_formatstring;
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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("[FORMAT]\n");
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buffer.append(" .indexcode = ")
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.append(Integer.toHexString(getIndexCode())).append("\n");
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/*
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buffer.append(" .formatstringlen = ")
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.append(Integer.toHexString(getFormatStringLength()))
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.append("\n");
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*/
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buffer.append(" .unicode length = ")
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.append(Integer.toHexString(field_3_unicode_len)).append("\n");
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buffer.append(" .isUnicode = ")
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.append( field_3_unicode_flag ).append("\n");
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buffer.append(" .formatstring = ").append(getFormatString())
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.append("\n");
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buffer.append("[/FORMAT]\n");
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return buffer.toString();
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}
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public int serialize(int offset, byte [] data)
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{
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LittleEndian.putShort(data, 0 + offset, sid);
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LittleEndian.putShort(data, 2 + offset, (short)( 2 + 2 + 1 + ( (field_3_unicode_flag)
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? 2 * field_3_unicode_len
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: field_3_unicode_len ) ) );
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// index + len + flag + format string length
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LittleEndian.putShort(data, 4 + offset, getIndexCode());
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LittleEndian.putShort(data, 6 + offset, field_3_unicode_len);
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data[ 8 + offset ] = (byte)( (field_3_unicode_flag) ? 0x01 : 0x00 );
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if ( field_3_unicode_flag ) {
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// unicode
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StringUtil.putUnicodeLE( getFormatString(), data, 9 + offset );
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}
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else {
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// not unicode
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StringUtil.putCompressedUnicode( getFormatString(), data, 9 + offset );
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}
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return getRecordSize();
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}
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protected int getDataSize() {
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return 5 + field_3_unicode_len * (field_3_unicode_flag ? 2 : 1);
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}
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public short getSid()
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{
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return sid;
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}
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}
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