/**
* @param bytes
* @param metadata incoming metadata
* @param unknownFilenameCount
* @return byte[] for contents of obj data
* @throws IOException
*/
protected byte[] parse(byte[] bytes, Metadata metadata, AtomicInteger unknownFilenameCount)
throws IOException {
ByteArrayInputStream is = new ByteArrayInputStream(bytes);
long version = readUInt(is);
metadata.add(RTFMetadata.EMB_APP_VERSION, Long.toString(version));
long formatId = readUInt(is);
// 2 is an embedded object. 1 is a link.
if (formatId != 2L) {
return null;
}
String className = readLengthPrefixedAnsiString(is).trim();
String topicName = readLengthPrefixedAnsiString(is).trim();
String itemName = readLengthPrefixedAnsiString(is).trim();
if (className != null && className.length() > 0) {
metadata.add(RTFMetadata.EMB_CLASS, className);
}
if (topicName != null && topicName.length() > 0) {
metadata.add(RTFMetadata.EMB_TOPIC, topicName);
}
if (itemName != null && itemName.length() > 0) {
metadata.add(RTFMetadata.EMB_ITEM, itemName);
}
long dataSz = readUInt(is);
// readBytes tests for reading too many bytes
byte[] embObjBytes = readBytes(is, dataSz);
if (className.toLowerCase(Locale.ROOT).equals("package")) {
return handlePackage(embObjBytes, metadata);
} else if (className.toLowerCase(Locale.ROOT).equals("pbrush")) {
// simple bitmap bytes
return embObjBytes;
} else {
ByteArrayInputStream embIs = new ByteArrayInputStream(embObjBytes);
if (NPOIFSFileSystem.hasPOIFSHeader(embIs)) {
try {
return handleEmbeddedPOIFS(embIs, metadata, unknownFilenameCount);
} catch (IOException e) {
// swallow
}
}
}
return embObjBytes;
}
