Toko Terang Gelap           
         Jln. Lampu Senter No 33        
               Kota Senja               
========================================
Nota No. 778899      29/10/2015 11:23:55
----------------------------------------
 Qty        Nama Barang          Total  
----------------------------------------
  1  Item 1                           10
  2  Item 2                          200
  3  Item 3                         3000
  4  Item 4                        40000
  5  Item 5                       500000
----------------------------------------
              Terima Kasih              
           Atas Kunjungan Anda          
========================================

public static void main(String[] args){
 
        LineFormatter lf = new LineFormatter(40);
 
        lf.addLine("Toko Terang Gelap", LineFormatter.CENTER_ALIGN);
        lf.addLine("Jln. Lampu Senter No 33", LineFormatter.CENTER_ALIGN);
        lf.addLine("Kota Senja", LineFormatter.CENTER_ALIGN);
        lf.addDivider("=");
        lf.addLine(
                new LineColumn("Nota No. 778899", 20)
                        .addColumn("29/10/2015 11:23:55", 20, LineFormatter.RIGHT_ALIGN)
        );
        lf.addDivider("-");
 
        lf.addLine(
                new LineColumn("Qty", 5, LineFormatter.CENTER_ALIGN)
                        .addColumn("Nama Barang", 25, LineFormatter.CENTER_ALIGN)
                        .addColumn("Total", 10, LineFormatter.CENTER_ALIGN)
        );
        lf.addDivider("-");
 
        for(int i = 1; i <= 5; i++){
            lf.addLine(
                    new LineColumn(i + " ", 5, LineFormatter.CENTER_ALIGN)
                            .addColumn("Item " + i, 25)
                            .addColumn("" + (i * ((int)Math.pow(10, i))), 10, LineFormatter.RIGHT_ALIGN)
            );
        }
 
        lf.addDivider("-");
        lf.addLine("Terima Kasih", LineFormatter.CENTER_ALIGN);
        lf.addLine("Atas Kunjungan Anda", LineFormatter.CENTER_ALIGN);
        lf.addDivider("=");
 
        System.out.println( lf.render() );
}

package gaisma.components.plaintext;
 
import gaisma.Params;
 
import java.util.ArrayList;
import java.util.List;
 
/**
 * Created with IntelliJ IDEA.
 * User: lee
 * Date: 11/29/13
 * Time: 9:28 PM
 * <p/>
 * Java Plain Text Line Formatter
 */
public class LineFormatter {
    public static final int LEFT_ALIGN = -1;
    public static final int CENTER_ALIGN = 0;
    public static final int RIGHT_ALIGN = 1;
 
    private int lineWidth;
    private List<String> lines;
    private String newLine = System.getProperty("line.separator");
 
    public static String LEFT_MARGIN = ""; // nothing
 
    /**
     * Initialize LineFormatter with line width initialized as 40 (epson POS printer)
     */
    public LineFormatter() {
        init(40);
    }
 
    /**
     * Initialize LineFormatter with specified line width
     *
     * @param l : line width
     */
    public LineFormatter(int l) {
        init(l);
    }
 
    /**
     * Set new line character, this is not necessary as LineFormatter automatically detect System new line character
     *
     * @param n : new line character
     * @return current LineFormatter instance
     */
    public LineFormatter setNewLine(String n) {
        this.newLine = n;
        return this;
    }
 
    private void init(int l) {
        this.lineWidth = l;
        lines = new ArrayList<String>();
    }
 
    /**
     * add new line
     *
     * @param cols LineColumn Class instance from whose columns constructed as line
     * @return current LineFormatter instance
     */
    public LineFormatter addLine(LineColumn cols) {
        return addLine(cols.getLine());
    }
 
    /**
     * add new line, with LineFormatter.LEFT_ALIGN
     *
     * @param s line to be added
     * @return current LineFormatter instance
     */
    public LineFormatter addLine(String s) {
        return addLine(s, LEFT_ALIGN);
    }
 
    /**
     * add new line, with specified alignment
     *
     * @param s     line to be added
     * @param align
     * @return current LineFormatter instance
     */
    public LineFormatter addLine(String s, int align) {
        switch (align) {
            case LEFT_ALIGN:
                return saveLine(String.format("%-" + this.lineWidth + "s", s));
            case RIGHT_ALIGN:
                return saveLine(String.format("%" + this.lineWidth + "s", s));
            case CENTER_ALIGN:
                int sw = s.length();
                int pad = (this.lineWidth - sw) / 2;
                String l = String.format("%" + pad + "s%s%" + pad + "s", "", s, "");
                return addLine(l, RIGHT_ALIGN);
        }
        return null;
    }
 
    private LineFormatter saveLine(String s) {
        if (s.length() > this.lineWidth)
            s = s.substring(0, this.lineWidth);
        this.lines.add(LEFT_MARGIN + s);
        return this;
    }
 
    /**
     * add blank line
     *
     * @return current LineFormatter instance
     */
    public LineFormatter addDivider() {
        return addLine(" ");
    }
 
    /**
     * add line with repeated character
     *
     * @param s single string to be repeated
     * @return current LineFormatter instance
     */
    public LineFormatter addDivider(String s) {
        return addLine(
                String.format("%" + lineWidth + "s", s)
                        .replace(' ', s.charAt(0))
        );
    }
 
    /**
     * produce formatted lines
     *
     * @return rendered string
     */
    public String render() {
        String text = "";
        if (lines.size() > 0) {
            text = lines.get(0);
        }
        for (int i = 1; i < lines.size(); i++) {
            text += this.newLine + lines.get(i);
        }
 
        return text;
    }
 
    /**
     * clear all buffered line
     *
     * @return current LineFormatter instance
     */
    public LineFormatter reset() {
        lines.clear();
        return this;
    }
}

package gaisma.components.plaintext;
 
import java.util.ArrayList;
import java.util.List;
 
/**
 * Created with IntelliJ IDEA.
 * User: lee
 * Date: 11/29/13
 * Time: 9:39 PM
 */
public class LineColumn {
 
    private List<String> columns = new ArrayList<String>();
    public LineColumn(){
 
    }
 
    public LineColumn(String s, int width){
        this.addColumn(s, width);
    }
 
    public LineColumn addBlankSpace(int width){
        return this.addColumn(" ", width);
    }
 
    public LineColumn(String s, int width, int align){
        addColumn(s, width, align);
    }
 
    public LineColumn addColumn(String s, int width){
        return addColumn(s, width, LineFormatter.LEFT_ALIGN);
    }
 
    public LineColumn addColumn(String s, int width, int align){
        if(s.length() > width)
            s = s.substring(0, width);
 
        switch (align){
            case LineFormatter.LEFT_ALIGN:
                columns.add(String.format("%-" + width + "s", s));
            break;
            case LineFormatter.RIGHT_ALIGN:
                columns.add(String.format("%" + width + "s", s));
            break;
            case LineFormatter.CENTER_ALIGN:
                int sw = s.length();
                int pad = (width - sw) / 2;
                String l = String.format("%" + pad + "s%s%" + pad + "s", "", s, "");
                return addColumn(l, width, LineFormatter.RIGHT_ALIGN);
        }
 
        return this;
    }
 
    public String getLine(){
        String line = "";
        for(int i = 0; i < columns.size(); i++){
            line += columns.get(i);
        }
 
        return line;
    }
}