public void write(NodeRef nodeRefer, byte[] data) {
// Getting Mimetype of node
QName PROP_QNAME_CONTENT = QName.createQName(
"http://www.alfresco.org/model/content/1.0", "content");
ContentData contentData = (ContentData) serviceRegistry.getNodeService()
.getProperty(nodeRefer, PROP_QNAME_CONTENT);
String originalMimeType = contentData.getMimetype();
ContentService contentService = serviceRegistry.getContentService();
ContentWriter contentWriter = contentService.getWriter(nodeRefer,
ContentModel.PROP_CONTENT, true);