TextTable.java

package ma.tools.io;

/**
 * @version 1.1
 */
public class TextTable {

    private String[][] data;
    private int[] cell_max;

    public TextTable(Object[][] data) {
        cell_max = new int[data[0].length];

        for(int j = 0; j < data[0].length; j++) {
            int longest = 0;
            for(int i = 0; i < data.length; i++) {
                int len = data[i][j].toString().length();
                if(len > longest) {
                    longest = len;
                }
            }
            cell_max[j] = longest;
        }

        this.data = new String[data.length][data[0].length];

        for(int i = 0; i < data[0].length; i++) {
            for(int j = 0; j < data.length; j++) {
                this.data[j][i] = createTableEntry(cell_max[i], data[j][i].toString());
            }
        }
    }

    private String createTableEntry(int length, String entry) {
        int entryLength = entry.length();
        StringBuffer entry_buf = new StringBuffer(" " + entry);
        for(int i = 0; i < (length - entryLength); i++) {
            entry_buf.append(" ");
        }
        entry_buf.append(" ");
        return entry_buf.toString();
    }

    public String toString() {
        StringBuffer buf = new StringBuffer();
        for(int i = 0; i < data.length; i++) {
            for(int j = 0; j < cell_max.length; j++) {
                buf.append(data[i][j]);
            }
            buf.append("\n");
        }
        return buf.toString();
    }
}