public Object clone()

in src/main/java/org/apache/commons/beanutils2/BeanMap.java [173:213]
35 lines of code
6 McCabe index (conditional complexity)

    public Object clone() throws CloneNotSupportedException {
        final BeanMap newMap = (BeanMap) super.clone();
        if (bean == null) {
            // no bean, just an empty bean map at the moment. return a newly
            // cloned and empty bean map.
            return newMap;
        }
        Object newBean = null;
        final Class<? extends Object> beanClass = bean.getClass(); // Cannot throw Exception
        try {
            newBean = beanClass.newInstance();
        } catch (final Exception e) {
            // unable to instantiate
            final CloneNotSupportedException cnse = new CloneNotSupportedException(
                    "Unable to instantiate the underlying bean \"" + beanClass.getName() + "\": " + e);
            cnse.initCause(e);
            throw cnse;
        }
        try {
            newMap.setBean(newBean);
        } catch (final Exception e) {
            final CloneNotSupportedException cnse = new CloneNotSupportedException("Unable to set bean in the cloned bean map: " + e);
            cnse.initCause(e);
            throw cnse;
        }
        try {
            // copy only properties that are readable and writable. If its
            // not readable, we can't get the value from the old map. If
            // its not writable, we can't write a value into the new map.
            readMethods.keySet().forEach(key -> {
                if (getWriteMethod(key) != null) {
                    newMap.put(key, get(key));
                }
            });
        } catch (final Exception e) {
            final CloneNotSupportedException cnse = new CloneNotSupportedException("Unable to copy bean values to cloned bean map: " + e);
            cnse.initCause(e);
            throw cnse;
        }
        return newMap;
    }