org.apache.poi.hssf.record.ContinueRecord Maven / Gradle / Ivy
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this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
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http://www.apache.org/licenses/LICENSE-2.0
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distributed under the License is distributed on an "AS IS" BASIS,
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See the License for the specific language governing permissions and
limitations under the License.
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package org.apache.poi.hssf.record;
import org.apache.poi.util.LittleEndian;
/**
* Title: Continue Record - Helper class used primarily for SST Records
* Description: handles overflow for prior record in the input
* stream; content is tailored to that prior record
* @author Marc Johnson (mjohnson at apache dot org)
* @author Andrew C. Oliver (acoliver at apache dot org)
* @author Csaba Nagy (ncsaba at yahoo dot com)
* @version 2.0-pre
*/
public class ContinueRecord
extends Record
{
public final static short sid = 0x003C;
private byte[] field_1_data;
/**
* default constructor
*/
public ContinueRecord()
{
}
/**
* Main constructor -- kinda dummy because we don't validate or fill fields
*
* @param id record id
* @param size record size
* @param data raw data
*/
public ContinueRecord(RecordInputStream in)
{
super(in);
}
/**
* USE ONLY within "processContinue"
*/
public byte [] serialize()
{
byte[] retval = new byte[ field_1_data.length + 4 ];
serialize(0, retval);
return retval;
}
public int serialize(int offset, byte [] data)
{
LittleEndian.putShort(data, offset, sid);
LittleEndian.putShort(data, offset + 2, ( short ) field_1_data.length);
System.arraycopy(field_1_data, 0, data, offset + 4, field_1_data.length);
return field_1_data.length + 4;
// throw new RecordFormatException(
// "You're not supposed to serialize Continue records like this directly");
}
/**
* set the data for continuation
* @param data - a byte array containing all of the continued data
*/
public void setData(byte [] data)
{
field_1_data = data;
}
/**
* get the data for continuation
* @return byte array containing all of the continued data
*/
public byte [] getData()
{
return field_1_data;
}
/**
* Make sure we have a good id
*
* @param id the alleged id
*/
protected void validateSid(short id)
{
if (id != ContinueRecord.sid)
{
throw new RecordFormatException("Not a Continue Record");
}
}
/**
* Debugging toString
*
* @return string representation
*/
public String toString()
{
StringBuffer buffer = new StringBuffer();
buffer.append("[CONTINUE RECORD]\n");
buffer.append(" .id = ").append(Integer.toHexString(sid))
.append("\n");
buffer.append("[/CONTINUE RECORD]\n");
return buffer.toString();
}
public short getSid()
{
return sid;
}
/**
* Fill the fields. Only thing is, this record has no fields --
*
* @param ignored_parm1 Ignored
* @param ignored_parm2 Ignored
* @param ignored_parm3 Ignored
*/
protected void fillFields(RecordInputStream in)
{
field_1_data = in.readRemainder();
}
/**
* Clone this record.
*/
public Object clone() {
ContinueRecord clone = new ContinueRecord();
clone.setData(field_1_data);
return clone;
}
}