public byte[] serialize(MediaContent content) throws Exception {
ByteArrayOutputStream baos = new ByteArrayOutputStream(expectedSize);
XMLStreamWriter writer = outFactory.createXMLStreamWriter(baos, "UTF-8");
writer.writeStartDocument("UTF-8", "1.0");
writer.writeStartElement("mc");
writeMedia(writer, content.getMedia());
for (int i = 0, len = content.imageCount(); i < len; ++i) {
writeImage(writer, content.getImage(i));
}
writer.writeEndElement();
writer.writeEndDocument();
writer.flush();
writer.close();
byte[] array = baos.toByteArray();
expectedSize = array.length;
return array;
}
public MediaContent deserialize(byte[] array) throws Exception {
XMLStreamReader parser = inFactory.createXMLStreamReader(new ByteArrayInputStream(array));
searchTag(parser, "mc");
MediaContent content = new MediaContent(readMedia(parser));
if (parser.nextTag() != XMLStreamConstants.START_ELEMENT) {
throw new IllegalStateException(
"Expected <im>, no START_ELEMENT encountered but " + parser.getEventType());
}
do {
if (!"im".equals(parser.getLocalName())) {
throw new IllegalStateException("Expected <im>, got <" + parser.getLocalName() + ">");
}
content.addImage(readImage(parser));
} while (parser.nextTag() == XMLStreamConstants.START_ELEMENT);
// and should have closing </mc> at this point
if (!"mc".equals(parser.getLocalName())) {
throw new IllegalStateException(
"Expected closing </mc>, got </" + parser.getLocalName() + ">");
}
parser.close();
return content;
}