private void _writeSetMethodBinding()

in maven-faces-plugin/src/main/java/org/apache/myfaces/trinidadbuild/plugin/faces/generator/taglib/MyFacesComponentTagGenerator.java [332:423]
82 lines of code
11 McCabe index (conditional complexity)

  private void _writeSetMethodBinding(
      PrettyWriter out,
      String componentClass,
      PropertyBean property) throws IOException
  {
    String propName = property.getPropertyName();
    String propKey = Util.getConstantNameFromProperty(propName, "_KEY");
    String propVar = "_" + propName;

    if (_is12)
    {
      out.println("if (" + propVar + " != null)");
      out.println("{");
      out.indent();
      if (GeneratorHelper.isActionListener(property, _is12))
      {
        out.println("comp.addActionListener(new MethodExpressionActionListener(" + propVar + "));");
      }
      else if (GeneratorHelper.isValueChangeListener(property, _is12))
      {
        out.println("comp.addValueChangeListener(new MethodExpressionValueChangeListener(" + propVar + "));");
      }
      else if (GeneratorHelper.isValidator(property, _is12))
      {
        out.println("comp.addValidator(new MethodExpressionValidator(" + propVar + "));");
      }
      else
      {
        out.println("bean.setProperty(" + componentClass + "." + propKey + ", " +
            "new MethodExpressionMethodBinding(" + propVar + "));");
      }
      out.unindent();
      out.println("}");
    }
    else
    {
      MethodSignatureBean signature = property.getMethodBindingSignature();
      String[] paramTypes = (signature != null) ? signature.getParameterTypes() : null;

      String classArray;

      if (paramTypes == null || paramTypes.length == 0)
      {
        classArray = "new Class[0]";
      }
      else
      {
        StringBuffer sb = new StringBuffer();
        sb.append("new Class[]{");
        for (int i = 0; i < paramTypes.length; i++)
        {
          if (i > 0)
            sb.append(',');
          sb.append(paramTypes[i]);
          sb.append(".class");
        }

        // TODO: remove trailing comma
        sb.append(',');

        sb.append('}');
        classArray = sb.toString();
      }

      out.println("if (" + propVar + " != null)");
      out.println("{");
      out.indent();

      if (isStringMethodBindingReturnType(signature))
      {
        out.println("MethodBinding mb;");
        out.println("if (isValueReference(" + propVar + "))");
        out.indent();
        out.println("mb = createMethodBinding(" + propVar + ", " + classArray + ");");
        out.unindent();
        out.println("else");
        out.indent();
        out.println("mb = new org.apache.myfaces.trinidadinternal.taglib.ConstantMethodBinding(" + propVar + ");");
        out.unindent();
      }
      else
      {
        // never a literal, no need for ConstantMethodBinding
        out.println("MethodBinding mb = createMethodBinding(" + propVar + ", " +
            classArray + ");");
      }

      out.println("bean.setProperty(" + componentClass + "." + propKey + ", mb);");
      out.unindent();
      out.println("}");
    }
  }