SerializableFieldHandler.java 文件源码

@Override
public void store(final PortletPreferences preferences, final String key, final Serializable value)
        throws ReadOnlyException {
    if (value == null) {
        preferences.setValue(key, null);
    } else {
        try {
            final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            new ObjectOutputStream(buffer).writeObject(value);
            preferences.setValue(key, DatatypeConverter.printBase64Binary(buffer.toByteArray()));
        } catch (final IOException e) {
            log.error("Could not serialize object for preferences: " + value, e);
        }
    }
}