lu.lippmann.cdb.common.gui.dataset.InstanceFormatter.java Source code

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Here is the source code for lu.lippmann.cdb.common.gui.dataset.InstanceFormatter.java
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/**
 * Copyright 2014-2016 LIST (Luxembourg Institute of Science and Technology), all right reserved.
 * Authorship : Olivier PARISOT, Yoanne DIDRY
 * Licensed under GNU General Public License version 3
 */
package lu.lippmann.cdb.common.gui.dataset;

import java.util.Calendar;
import org.apache.commons.lang.StringEscapeUtils;

import lu.lippmann.cdb.common.FormatterUtil;
import weka.core.Instance;

/**
 * InstanceFormatter.
 * 
 * @author the WP1 team
 */
public final class InstanceFormatter {
    //
    // Constructors
    //

    /**
     * Private constructor.
     */
    private InstanceFormatter() {
    }

    //
    // Static methods
    //

    public static String htmlFormat(final Instance inst, final boolean withHTMLHeader) {
        final StringBuilder sb = new StringBuilder();
        if (withHTMLHeader)
            sb.append("<html><body>");
        for (int i = 0; i < inst.numAttributes(); i++) {
            sb.append(StringEscapeUtils.escapeHtml(inst.attribute(i).name())).append(" = ");
            sb.append("<b>");
            if (inst.attribute(i).isNominal() || inst.attribute(i).isString()) {
                sb.append(StringEscapeUtils.escapeHtml(inst.stringValue(i)));
            } else if (inst.attribute(i).isDate()) {
                final Calendar cal = Calendar.getInstance();
                cal.setTimeInMillis((long) inst.value(i));
                sb.append(FormatterUtil.DATE_FORMAT.format(cal.getTime()));
            } else if (inst.attribute(i).isNumeric()) {
                sb.append(inst.value(i));
            }
            sb.append("</b>");
            sb.append("<br/>");
        }
        if (withHTMLHeader)
            sb.append("</body></html>");
        return sb.toString();
    }

    /**
     * 
     * @param inst
     * @return
     */
    public static String shortHtmlFormat(final Instance inst) {
        return inst.toString();//.stringValue(0);
    }
}