FluentELResolver

FluentELResolver.java

class FluentELResolver extends BeanELResolver {

  public boolean isReadOnly(ELContext context, Object base, Object property) {
    return getFluentMethod(context, base, property.toString()) != null;
  }

  public void setValue(ELContext context, Object base, Object property, Object value) {
    invoke(getFluentMethod(context, base, property.toString), base, value);
  }

  private Method getFluentMethod(ELContext context, Object base, String name) {
    name = Character.toUpperCase(name.charAt(0)) + name.substring(1);
    for (Method method : base.getClass().getMethods()) {
      if (isFluentWriteMethod(method, context, base, name)) {
        return method;
      }
    }
    return null;
  }

  private boolean isFluentWriteMethod(Method method, ELContext context, Object base, String property) {
    return method.getName().endsWith(property) && method.getParameterTypes().length == 1 &&
        method.getParameterTypes()[0] == getType(context, base, property);
  }
}