public Object getSimpleProperty()

in src/main/java/org/apache/commons/beanutils2/PropertyUtilsBean.java [1176:1231]
48 lines of code
10 McCabe index (conditional complexity)

    public Object getSimpleProperty(final Object bean, final String name)
            throws IllegalAccessException, InvocationTargetException,
            NoSuchMethodException {
        if (bean == null) {
            throw new IllegalArgumentException("No bean specified");
        }
        if (name == null) {
            throw new IllegalArgumentException("No name specified for bean class '" +
                    bean.getClass() + "'");
        }

        // Validate the syntax of the property name
        if (resolver.hasNested(name)) {
            throw new IllegalArgumentException
                    ("Nested property names are not allowed: Property '" +
                    name + "' on bean class '" + bean.getClass() + "'");
        }
        if (resolver.isIndexed(name)) {
            throw new IllegalArgumentException
                    ("Indexed property names are not allowed: Property '" +
                    name + "' on bean class '" + bean.getClass() + "'");
        }
        if (resolver.isMapped(name)) {
            throw new IllegalArgumentException
                    ("Mapped property names are not allowed: Property '" +
                    name + "' on bean class '" + bean.getClass() + "'");
        }

        // Handle DynaBean instances specially
        if (bean instanceof DynaBean) {
            final DynaProperty descriptor =
                    ((DynaBean) bean).getDynaClass().getDynaProperty(name);
            if (descriptor == null) {
                throw new NoSuchMethodException("Unknown property '" +
                        name + "' on dynaclass '" +
                        ((DynaBean) bean).getDynaClass() + "'" );
            }
            return ((DynaBean) bean).get(name);
        }

        // Retrieve the property getter method for the specified property
        final PropertyDescriptor descriptor =
                getPropertyDescriptor(bean, name);
        if (descriptor == null) {
            throw new NoSuchMethodException("Unknown property '" +
                    name + "' on class '" + bean.getClass() + "'" );
        }
        final Method readMethod = getReadMethod(bean.getClass(), descriptor);
        if (readMethod == null) {
            throw new NoSuchMethodException("Property '" + name +
                    "' has no getter method in class '" + bean.getClass() + "'");
        }

        // Call the property getter and return the value
        return invokeMethod(readMethod, bean, BeanUtils.EMPTY_OBJECT_ARRAY);
    }