public void writeClassBegin()

in maven2-plugins/myfaces-faces-plugin/src/main/java/org/apache/myfaces/buildtools/maven2/plugin/faces/generator/component/AbstractComponentGenerator.java [53:204]
126 lines of code
23 McCabe index (conditional complexity)

  public void writeClassBegin(
      PrettyWriter out,
      String className,
      String superclassName,
      ComponentBean component,
      SourceTemplate template)
  {
    out.println("/**");

    // TODO: restore description (needs escaping?)
//    String description = component.getDescription();
//    if (description != null)
//    {
//      out.println(" *");
//      out.println(" * " + convertMultilineComment(description));
//    }

    String longDescription = component.getLongDescription();
    if (longDescription != null)
    {
      out.println(" *");
      out.println(" * " + convertMultilineComment(longDescription));
    }

    if (component.hasEvents(true))
    {
      // the events javadoc
      out.println(" *");
      out.println(" * <h4>Events:</h4>");
      out.println(" * <table border=\"1\" width=\"100%\" cellpadding=\"3\" summary=\"\">");
      out.println(" * <tr bgcolor=\"#CCCCFF\" class=\"TableHeadingColor\">");
      out.println(" * <th align=\"left\">Type</th>");
      out.println(" * <th align=\"left\">Phases</th>");
      out.println(" * <th align=\"left\">Description</th>");
      out.println(" * </tr>");
      Iterator events = component.events(true);
      while (events.hasNext())
      {
        EventRefBean eventRef = (EventRefBean) events.next();
        EventBean event = eventRef.resolveEventType();
        if (event != null)
        {
          String eventClass = event.getEventClass();
          String[] eventPhases = eventRef.getEventDeliveryPhases();
          String eventDescription = event.getDescription();
          out.println(" * <tr class=\"TableRowColor\">");
          out.println(" * <td valign=\"top\"><code>" + eventClass + "</code></td>");
          out.print(" * <td valign=\"top\" nowrap>");
          if (eventPhases != null)
          {
            for (int i = 0; i < eventPhases.length; i++)
            {
              if (i > 0)
                out.print("<br>");
              out.print(eventPhases[i]);
            }
          }
          out.println("</td>");
          out.println(" * <td valign=\"top\">" + eventDescription + "</td>");
          out.println(" * </tr>");
        }
      }
      out.println(" * </table>");
    }

    if (!component.hasChildren())
    {
      out.println(" * <p>");
      out.println(" * It does not support any children.");
    }

    out.println(" */");

    // TODO: eliminate <mfp:component-class-modifier> metadata
    int modifiers = component.getComponentClassModifiers();
    String classStart = Modifier.toString(modifiers);
    // TODO: use canonical ordering
    classStart = classStart.replaceAll("public abstract", "abstract public");
    out.println(classStart + " class " + className +
        " extends " + superclassName);

    Set interfaces = new HashSet();
    if (template != null)
      interfaces.addAll(template.getImplements());

    if (component.getComponentImplements() != null){
        StringTokenizer st = new StringTokenizer(component.getComponentImplements(),",",false);
        while (st.hasMoreTokens()){
            interfaces.add(st.nextToken());    
        }        
    }
    
    if (component.isNamingContainer())
      interfaces.add("javax.faces.component.NamingContainer");

    Iterator events = component.events();
    while (events.hasNext())
    {
      EventRefBean eventRef = (EventRefBean) events.next();
      EventBean event = eventRef.resolveEventType();
      if (event != null)
      {
        if (!eventRef.isIgnoreSourceInterface())
        {
          String source = event.getEventSourceInterface();
          if (source != null)
            interfaces.add(Util.getClassFromFullClass(source));
        }
      }
    }

    if (!interfaces.isEmpty())
    {
      Set implementsSet = new HashSet();
      for (Iterator iter = interfaces.iterator(); iter.hasNext();)
      {
        String fcqn = (String) iter.next();
        implementsSet.add(Util.getClassFromFullClass(fcqn));
      }

      // implements clause spans multiple lines
      char[] indent = new char[classStart.length() +
          " class ".length() +
          className.length() + 1];
      Arrays.fill(indent, ' ');
      out.print(indent);
      out.print("implements ");
      for (Iterator iter = implementsSet.iterator(); iter.hasNext();)
      {
        out.print((String) iter.next());
        if (iter.hasNext())
        {
          out.println(",");
          out.print(indent);
          out.print("           ");  // same length as "implements "
        }
      }
      out.println();
    }

    out.println("{");
    out.indent();
    
    //Write serialVersionUID
    if (component.getComponentSerialUID() != null &&
            !"".equals(component.getComponentSerialUID())){
        out.println();
        out.println("private static final long serialVersionUID = "+
                component.getComponentSerialUID()+";");
        out.println();
    }
  }