poi/src/java/org/apache/poi/hssf/record/DefaultColWidthRecord.java

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package org.apache.poi.hssf.record;

import org.apache.poi.util.LittleEndian;

/**
 * Title:        Default Column Width Record<P>
 * Description:  Specifies the default width for columns that have no specific
 *               width set.<P>
 * REFERENCE:  PG 302 Microsoft Excel 97 Developer's Kit (ISBN: 1-57231-498-2)<P>
 * @author Andrew C. Oliver (acoliver at apache dot org)
 * @author Jason Height (jheight at chariot dot net dot au)
 * @version 2.0-pre
 */

public class DefaultColWidthRecord
    extends Record
{
    public final static short sid = 0x55;
    private short             field_1_col_width;

    public DefaultColWidthRecord()
    {
    }

    /**
     * Constructs a DefaultColumnWidth record and sets its fields appropriately.
     *
     * @param id     id must be 0x55 or an exception will be throw upon validation
     * @param size  the size of the data area of the record
     * @param data  data of the record (should not contain sid/len)
     */

    public DefaultColWidthRecord(short id, short size, byte [] data)
    {
        super(id, size, data);
    }

    /**
     * Constructs a DefaultColumnWidth record and sets its fields appropriately.
     *
     * @param id     id must be 0x55 or an exception will be throw upon validation
     * @param size  the size of the data area of the record
     * @param data  data of the record (should not contain sid/len)
     * @param offset of the record's data
     */

    public DefaultColWidthRecord(short id, short size, byte [] data,
                                 int offset)
    {
        super(id, size, data, offset);
    }

    protected void validateSid(short id)
    {
        if (id != sid)
        {
            throw new RecordFormatException("NOT A DefaultColWidth RECORD");
        }
    }

    protected void fillFields(byte [] data, short size, int offset)
    {
        field_1_col_width = LittleEndian.getShort(data, 0 + offset);
    }

    /**
     * set the default column width
     * @param height defaultwidth for columns
     */

    public void setColWidth(short height)
    {
        field_1_col_width = height;
    }

    /**
     * get the default column width
     * @return defaultwidth for columns
     */

    public short getColWidth()
    {
        return field_1_col_width;
    }

    public String toString()
    {
        StringBuffer buffer = new StringBuffer();

        buffer.append("[DEFAULTCOLWIDTH]\n");
        buffer.append("    .colwidth      = ")
            .append(Integer.toHexString(getColWidth())).append("\n");
        buffer.append("[/DEFAULTCOLWIDTH]\n");
        return buffer.toString();
    }

    public int serialize(int offset, byte [] data)
    {
        LittleEndian.putShort(data, 0 + offset, sid);
        LittleEndian.putShort(data, 2 + offset, ( short ) 0x2);
        LittleEndian.putShort(data, 4 + offset, getColWidth());
        return getRecordSize();
    }

    public int getRecordSize()
    {
        return 6;
    }

    public short getSid()
    {
        return this.sid;
    }

    public Object clone() {
      DefaultColWidthRecord rec = new DefaultColWidthRecord();
      rec.field_1_col_width = field_1_col_width;
      return rec;
    }
}