protected void writeTagAttribute()

in maven2-plugins/myfaces-faces-plugin/src/main/java/org/apache/myfaces/buildtools/maven2/plugin/faces/GenerateJspTaglibsMojo.java [537:670]
112 lines of code
22 McCabe index (conditional complexity)

  protected void writeTagAttribute(
    XMLStreamWriter stream,
    String          propertyName,
    String          description,
    String[]        unsupportedAgents,
    PropertyBean    property) throws XMLStreamException
  {
    stream.writeCharacters("\n    ");
    stream.writeStartElement("attribute");

    // In JSP 2.1, the description goes at the beginning
    if (_is12())
      _writeTagAttributeDescription(stream, description, unsupportedAgents);

    stream.writeCharacters("\n      ");
    stream.writeStartElement("name");
    
    if (property != null)
      stream.writeCharacters(property.getJspPropertyName());
    else
      stream.writeCharacters(propertyName);

    stream.writeEndElement();

    if (!_is12())
    {
      if (property != null)
      {        
        if (property.isRequired())
        {
          stream.writeCharacters("\n    ");
          stream.writeStartElement("required");
          stream.writeCharacters("true");
          stream.writeEndElement();
        }
      }
        
      stream.writeCharacters("\n      ");
      stream.writeStartElement("rtexprvalue");
      stream.writeCharacters("false");
      stream.writeEndElement();
      
      // In JSP 2.0, the tag description goes at the end
      _writeTagAttributeDescription(stream, description, unsupportedAgents);
    }
    else
    {
      if (property != null)
      {
        if (property.isRequired())
        {
          stream.writeCharacters("\n    ");
          stream.writeStartElement("required");
          stream.writeCharacters("true");
          stream.writeEndElement();
        }
        
        if (property.isMethodExpression() || property.isMethodBinding())
        {
          stream.writeCharacters("\n    ");
          stream.writeStartElement("deferred-method");
          stream.writeCharacters("\n      ");
          MethodSignatureBean sig = property.getMethodBindingSignature();
          if (sig != null)
          {
            stream.writeStartElement("method-signature");
            stream.writeCharacters(sig.getReturnType());
            stream.writeCharacters(" myMethod(");
            String[] params = sig.getParameterTypes();
            for (int i = 0; i < params.length; i++)
            {
              if (i > 0)
                stream.writeCharacters(", ");
              stream.writeCharacters(params[i]);
            }

            stream.writeCharacters(")");
            stream.writeEndElement();
          }
          stream.writeEndElement();
        }
        else if (!property.isLiteralOnly() ||
                 // "binding" is always a deferred-value
                 "binding".equals(propertyName))
        {
          stream.writeCharacters("\n      ");
          stream.writeStartElement("deferred-value");
          String propertyClass = property.getPropertyClass();
          // Writing java.lang.String is usually a bad idea - it
          // means that null gets coerced to the empty string.
          if (("java.lang.String".equals(propertyClass) && coerceStrings) ||
              _CAN_COERCE.contains(property.getPropertyClass()))
          {
            stream.writeCharacters("\n        ");
            stream.writeStartElement("type");
            // Trim out any use of generics here - since JSP coercion
            // certainly can't do anything there
            int genericIndex = propertyClass.indexOf('<');
            if (genericIndex > 0)
              propertyClass = propertyClass.substring(0, genericIndex);

            stream.writeCharacters(propertyClass);
            stream.writeEndElement();
            stream.writeCharacters("\n      ");
          }

          stream.writeEndElement();
        }
        else if (property.isRtexprvalue())
        {
            stream.writeCharacters("\n      ");
            stream.writeStartElement("rtexprvalue");
            stream.writeCharacters("true");
            stream.writeEndElement();
        }
        else
        {
          stream.writeCharacters("\n      ");
          stream.writeStartElement("rtexprvalue");
          // As of JSF 1.2, "id" can be set via an rtexprvalue (but
          // *not* by a ValueExpression) - it has to be evaluated
          // in the JSP
          if ("id".equals(propertyName) && !disableIdExpressions)
            stream.writeCharacters("true");
          else
            stream.writeCharacters("false");
          stream.writeEndElement();
        }
      }
    }

    stream.writeCharacters("\n    ");
    stream.writeEndElement();
  }