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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
package org.openoffice.xmerge.converter.xml.sxc.pexcel.records;
import java.io.OutputStream;
import java.io.InputStream;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import org.openoffice.xmerge.util.Debug;
import org.openoffice.xmerge.util.EndianConverter;
import org.openoffice.xmerge.converter.xml.sxc.pexcel.PocketExcelConstants;
/**
* Represents a BIFF Record that describes the value of a formula that
* evaluates to a string
*/
public class StringValue implements BIFFRecord {
private byte[] cch = new byte[2];
private byte[] rgch;
/**
* Constructs a StringValue Record from an <code>InputStream</code>
*
* @param is InputStream containing a StringValue Record
*/
public StringValue(String str) throws IOException {
cch = EndianConverter.writeShort((short) str.length());
rgch = new byte[str.length()];
rgch = str.getBytes("UTF-16LE");
}
/**
* Constructs a StringValue Record from an <code>InputStream</code>
*
* @param is InputStream containing a StringValue Record
*/
public StringValue(InputStream is) throws IOException {
read(is);
}
/**
* Get the hex code for this particular <code>BIFFRecord</code>
*
* @return the hex code for <code>StringValue</code>
*/
public short getBiffType() {
return PocketExcelConstants.FORMULA_STRING;
}
/**
* Reads a StringVlaue Record from an <code>InputStream</code>
*
* @param is InputStream containing a StringValue Record
*/
public int read(InputStream input) throws IOException {
cch[0] = (byte) input.read();
cch[1] = (byte) input.read();
int numOfBytesRead = 1;
int strlen = EndianConverter.readShort(cch)*2;
rgch = new byte[strlen];
numOfBytesRead += input.read(rgch, 0, strlen);
Debug.log(Debug.TRACE,"\tcch : "+ cch +
" rgch : " + rgch);
return numOfBytesRead;
}
public void write(OutputStream output) throws IOException {
output.write(getBiffType());
output.write(cch);
output.write(rgch);
Debug.log(Debug.TRACE,"Writing StringValue record");
}
/**
* Gets the <code>String</code> representing the cells contents
*
* @return the <code>String</code> representing the cells contents
*/
public String getString() throws IOException {
String name;
try {
name = new String(rgch, "UTF-16LE");
} catch (UnsupportedEncodingException e){
name = "unknown";
}
return name;
}
}
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