public boolean isWriteable()

in src/main/java/org/apache/commons/beanutils2/PropertyUtilsBean.java [1420:1481]
51 lines of code
13 McCabe index (conditional complexity)

    public boolean isWriteable(Object bean, String name) {
        // Validate method parameters
        if (bean == null) {
            throw new IllegalArgumentException("No bean specified");
        }
        if (name == null) {
            throw new IllegalArgumentException("No name specified for bean class '" +
                    bean.getClass() + "'");
        }

        // Resolve nested references
        while (resolver.hasNested(name)) {
            final String next = resolver.next(name);
            Object nestedBean = null;
            try {
                nestedBean = getProperty(bean, next);
            } catch (final IllegalAccessException | NoSuchMethodException | InvocationTargetException e) {
                return false;
            }
            if (nestedBean == null) {
                throw new NestedNullException
                        ("Null property value for '" + next +
                        "' on bean class '" + bean.getClass() + "'");
            }
            bean = nestedBean;
            name = resolver.remove(name);
        }

        // Remove any subscript from the final name value
        name = resolver.getProperty(name);

        // Treat WrapDynaBean as special case - may be a read-only property
        // (see Jira issue# BEANUTILS-61)
        if (bean instanceof WrapDynaBean) {
            bean = ((WrapDynaBean)bean).getInstance();
        }

        // Return the requested result
        if (bean instanceof DynaBean) {
            // All DynaBean properties are writable
            return ((DynaBean) bean).getDynaClass().getDynaProperty(name) != null;
        }
        try {
            final PropertyDescriptor desc =
                getPropertyDescriptor(bean, name);
            if (desc != null) {
                Method writeMethod = getWriteMethod(bean.getClass(), desc);
                if (writeMethod == null) {
                    if (desc instanceof IndexedPropertyDescriptor) {
                        writeMethod = ((IndexedPropertyDescriptor) desc).getIndexedWriteMethod();
                    } else if (desc instanceof MappedPropertyDescriptor) {
                        writeMethod = ((MappedPropertyDescriptor) desc).getMappedWriteMethod();
                    }
                    writeMethod = MethodUtils.getAccessibleMethod(bean.getClass(), writeMethod);
                }
                return writeMethod != null;
            }
            return false;
        } catch (final IllegalAccessException | NoSuchMethodException | InvocationTargetException e) {
            return false;
        }
    }