swing/formatter/MbDecimalFormatter.java

package skrueger.swing.formatter;

import java.text.DecimalFormat;
import java.text.FieldPosition;

/**
 * A formatter that formats double and long byte number into a Kb, Mb or Gb
 * format.
 */

public class MbDecimalFormatter extends DecimalFormat {

        public MbDecimalFormatter() {
                super("#########0.0");
        }

        @Override
        public StringBuffer format(double number, StringBuffer result,
                        FieldPosition fieldPosition) {

                String unit = "Mb";
                number /= 1024. * 1024.;
                if (number >= 512.) {
                        unit = "Gb";
                        number /= 1024.;
                }

                if (number >= 0.1) {
                        return super.format(number, result, fieldPosition).append(unit);
                } else {
                        return super.format(0.1, result, fieldPosition).append(unit)
                                        .insert(0, "<");
                }

        };

        @Override
        public StringBuffer format(long number_l, StringBuffer result,
                        FieldPosition fieldPosition) {

                if (number_l < Double.MAX_VALUE) {
                        // The number is not that big.. convert to Double and go...
                        return format(Double.valueOf(number_l), result, fieldPosition);
                }

                // We have a BIG number... Rounding-errors don't count anymore.
                number_l /= 1024. * 1024.;
                String unit = "Mb";

                if (number_l >= 512.) {
                        unit = "Gb";
                        number_l /= 1024.;
                }

                if (number_l >= 0.1) {
                        return super.format(number_l, result, fieldPosition).append(unit);
                } else {
                        return super.format(0.1, result, fieldPosition).append(unit)
                                        .insert(0, "<");
                }

        };

}
1	alfonx	519	package skrueger.swing.formatter;
2
3			import java.text.DecimalFormat;
4			import java.text.FieldPosition;
5
6			/**
7			* A formatter that formats double and long byte number into a Kb, Mb or Gb
8			* format.
9			*/
10
11			public class MbDecimalFormatter extends DecimalFormat {
12
13			public MbDecimalFormatter() {
14			super("#########0.0");
15			}
16
17			@Override
18			public StringBuffer format(double number, StringBuffer result,
19			FieldPosition fieldPosition) {
20
21			String unit = "Mb";
22			number /= 1024. * 1024.;
23			if (number >= 512.) {
24			unit = "Gb";
25			number /= 1024.;
26			}
27
28			if (number >= 0.1) {
29			return super.format(number, result, fieldPosition).append(unit);
30			} else {
31			return super.format(0.1, result, fieldPosition).append(unit)
32			.insert(0, "<");
33			}
34
35			};
36
37			@Override
38			public StringBuffer format(long number_l, StringBuffer result,
39			FieldPosition fieldPosition) {
40
41			if (number_l < Double.MAX_VALUE) {
42			// The number is not that big.. convert to Double and go...
43			return format(Double.valueOf(number_l), result, fieldPosition);
44			}
45
46			// We have a BIG number... Rounding-errors don't count anymore.
47			number_l /= 1024. * 1024.;
48			String unit = "Mb";
49
50			if (number_l >= 512.) {
51			unit = "Gb";
52			number_l /= 1024.;
53			}
54
55			if (number_l >= 0.1) {
56			return super.format(number_l, result, fieldPosition).append(unit);
57			} else {
58			return super.format(0.1, result, fieldPosition).append(unit)
59			.insert(0, "<");
60			}
61
62			};
63
64			}
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