2sbsbsb/HTMLTableBuilder.java

## HTMLTableBuilder.java

/**
 *     Use:
 *
 *     HTMLTableBuilder htmlBuilder = new HTMLTableBuilder(null, true, 2, 3);
 *     htmlBuilder.addTableHeader("1H", "2H", "3H");
 *     htmlBuilder.addRowValues("1", "2", "3");
 *     htmlBuilder.addRowValues("4", "5", "6");
 *     htmlBuilder.addRowValues("9", "8", "7");
 *     String table = htmlBuilder.build();
 *     System.out.println(table.toString());
 */
public class HTMLTableBuilder {

    public static enum HtmlColor {
        GREEN, BLUE, RED, BROWN, BLACK
    }

    private int columns;
    private final StringBuilder table = new StringBuilder();
    public static String HTML_START = "<html>";
    public static String HTML_END = "</html>";
    public static String TABLE_START_BORDER = "<table border=\"1\">";
    public static String TABLE_START = "<table>";
    public static String TABLE_END = "</table>";
    public static String HEADER_START = "<th>";
    public static String HEADER_END = "</th>";
    public static String ROW_START = "<tr>";
    public static String ROW_END = "</tr>";
    public static String COLUMN_START = "<td>";
    public static String COLUMN_END = "</td>";

    /**
     * @param header
     * @param border
     * @param rows
     * @param columns
     */
    public HTMLTableBuilder(String header, boolean border, int rows, int columns) {
        this.columns = columns;
        if (header != null) {
            table.append("<b>");
            table.append(header);
            table.append("</b>");
        }
        table.append(HTML_START);
        table.append(border ? TABLE_START_BORDER : TABLE_START);
        table.append(TABLE_END);
        table.append(HTML_END);
    }

    /**
     * @param values
     */
    public void addTableHeader(String... values) {
        if (values.length != columns) {
            System.out.println("Error column lenth");
        } else {
            int lastIndex = table.lastIndexOf(TABLE_END);
            if (lastIndex > 0) {
                StringBuilder sb = new StringBuilder();
                sb.append(ROW_START);
                for (String value : values) {
                    sb.append(HEADER_START);
                    sb.append(value);
                    sb.append(HEADER_END);
                }
                sb.append(ROW_END);
                table.insert(lastIndex, sb.toString());
            }
        }
    }

    /**
     * @param values
     */
    public void addRowValues(String... values) {
        if (values.length != columns) {
            System.out.println("Error column lenth");
        } else {
            int lastIndex = table.lastIndexOf(ROW_END);
            if (lastIndex > 0) {
                int index = lastIndex + ROW_END.length();
                StringBuilder sb = new StringBuilder();
                sb.append(ROW_START);
                for (String value : values) {
                    sb.append(COLUMN_START);
                    sb.append(value);
                    sb.append(COLUMN_END);
                }
                sb.append(ROW_END);
                table.insert(index, sb.toString());
            }
        }
    }

    /**
     * @param value
     * @param color
     * @return
     */
    public static String appendFont(String value, HtmlColor color) {
        StringBuilder sb = new StringBuilder();
        sb.append("<font color=");
        switch (color) {
        case GREEN:
            sb.append("green");
            break;
        case BLUE:
            sb.append("blue");
            break;
        case RED:
            sb.append("red");
            break;
        case BROWN:
            sb.append("brown");
            break;
        case BLACK:
            sb.append("black");
            break;
        default:
            sb.append("black");
        }
        sb.append(">");
        sb.append("<b>");
        sb.append(value);
        sb.append("</b>");
        sb.append("</font>");
        return sb.toString();
    }

    /**
     * @return
     */
    public String build() {
        return table.toString();
    }

	/**
	* Use:
	*
	* HTMLTableBuilder htmlBuilder = new HTMLTableBuilder(null, true, 2, 3);
	* htmlBuilder.addTableHeader("1H", "2H", "3H");
	* htmlBuilder.addRowValues("1", "2", "3");
	* htmlBuilder.addRowValues("4", "5", "6");
	* htmlBuilder.addRowValues("9", "8", "7");
	* String table = htmlBuilder.build();
	* System.out.println(table.toString());
	*/
	public class HTMLTableBuilder {

	public static enum HtmlColor {
	GREEN, BLUE, RED, BROWN, BLACK
	}

	private int columns;
	private final StringBuilder table = new StringBuilder();
	public static String HTML_START = "<html>";
	public static String HTML_END = "</html>";
	public static String TABLE_START_BORDER = "<table border=\"1\">";
	public static String TABLE_START = "<table>";
	public static String TABLE_END = "</table>";
	public static String HEADER_START = "<th>";
	public static String HEADER_END = "</th>";
	public static String ROW_START = "<tr>";
	public static String ROW_END = "</tr>";
	public static String COLUMN_START = "<td>";
	public static String COLUMN_END = "</td>";

	/**
	* @param header
	* @param border
	* @param rows
	* @param columns
	*/
	public HTMLTableBuilder(String header, boolean border, int rows, int columns) {
	this.columns = columns;
	if (header != null) {
	table.append("<b>");
	table.append(header);
	table.append("</b>");
	}
	table.append(HTML_START);
	table.append(border ? TABLE_START_BORDER : TABLE_START);
	table.append(TABLE_END);
	table.append(HTML_END);
	}

	/**
	* @param values
	*/
	public void addTableHeader(String... values) {
	if (values.length != columns) {
	System.out.println("Error column lenth");
	} else {
	int lastIndex = table.lastIndexOf(TABLE_END);
	if (lastIndex > 0) {
	StringBuilder sb = new StringBuilder();
	sb.append(ROW_START);
	for (String value : values) {
	sb.append(HEADER_START);
	sb.append(value);
	sb.append(HEADER_END);
	}
	sb.append(ROW_END);
	table.insert(lastIndex, sb.toString());
	}
	}
	}

	/**
	* @param values
	*/
	public void addRowValues(String... values) {
	if (values.length != columns) {
	System.out.println("Error column lenth");
	} else {
	int lastIndex = table.lastIndexOf(ROW_END);
	if (lastIndex > 0) {
	int index = lastIndex + ROW_END.length();
	StringBuilder sb = new StringBuilder();
	sb.append(ROW_START);
	for (String value : values) {
	sb.append(COLUMN_START);
	sb.append(value);
	sb.append(COLUMN_END);
	}
	sb.append(ROW_END);
	table.insert(index, sb.toString());
	}
	}
	}

	/**
	* @param value
	* @param color
	* @return
	*/
	public static String appendFont(String value, HtmlColor color) {
	StringBuilder sb = new StringBuilder();
	sb.append("<font color=");
	switch (color) {
	case GREEN:
	sb.append("green");
	break;
	case BLUE:
	sb.append("blue");
	break;
	case RED:
	sb.append("red");
	break;
	case BROWN:
	sb.append("brown");
	break;
	case BLACK:
	sb.append("black");
	break;
	default:
	sb.append("black");
	}
	sb.append(">");
	sb.append("<b>");
	sb.append(value);
	sb.append("</b>");
	sb.append("</font>");
	return sb.toString();
	}

	/**
	* @return
	*/
	public String build() {
	return table.toString();
	}