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An easy to use, feature-rich, JMX-based and embeddable Java VM monitoring tool with a web-based user-interface

There is a newer version: 2.1.1

// Copyright (c), 2013, adopus consulting GmbH Switzerland, all rights reserved.
package com.purej.vminspect.html;

import java.io.IOException;
import java.util.Date;

/**
 * Html page that renders a common header and footer and a custom part in between.
 *
 * @author Stefan Mueller
 */
public class HtmlPageView extends AbstractHtmlView {
  private final long _startTimestamp;
  private final String _reloadParameters;
  private final AbstractHtmlView _bodyView;

  /**
   * Creates a new instance of this view.
   */
  public HtmlPageView(StringBuilder output, String reloadParameters, long startTimestamp, AbstractHtmlView bodyView) {
    super(output);
    _reloadParameters = reloadParameters;
    _startTimestamp = startTimestamp;
    _bodyView = bodyView;
  }

  @Override
  public void render() throws IOException {
    writeHtmlHeader();
    _bodyView.render();
    writeHtmlFooter();
  }

  private void writeHtmlHeader() throws IOException {
    writeln("");
    writeln("");
    writeln("");
    writeln("PureJ VM Inspection");
    writeln("");
    writeln("");
    writeln("");
    writeln("");
    writeln("");
    writeln("");
    writeln("PureJ VM Inspection " + lnk(_reloadParameters, img("icons/refresh-24.png", "Refresh")) + " ");
    writeln("
");
    writeln("");
    writeln("" + lnk("page=statistics", img("icons/charts-24.png", "Statistics") + "Statistics") + "");
    writeln("" + lnk("page=threads", img("icons/threads-24.png", "Threads") + "Threads") + "");
    writeln("" + lnk("page=mbeans", img("icons/beans-24.png", "MBeans") + "MBeans") + "");
    writeln("" + lnk("page=system", img("icons/system-24.png", "System") + "System") + "");
    writeln("");
    writeln("");
  }

  private void writeHtmlFooter() throws IOException {
    writeln("
");
    writeln("Display date: " + formatDateTime(new Date(_startTimestamp)) + "
");
    writeln("Display duration: " + formatNumber(System.currentTimeMillis() - _startTimestamp) + "ms
");
    writeln("");
    writeln("");
  }
}