public void handleLobs(long fromTime, long toTime, CDOLobHandler handler) throws IOException {
for (DB4OBlob db4oBlob : DB4OStore.getElementsOfType(getObjectContainer(), DB4OBlob.class)) {
byte[] id = HexUtil.hexToBytes(db4oBlob.getId());
byte[] blob = db4oBlob.getValue();
ByteArrayInputStream in = new ByteArrayInputStream(blob);
OutputStream out = handler.handleBlob(id, blob.length);
if (out != null) {
try {
IOUtil.copyBinary(in, out, blob.length);
} finally {
IOUtil.close(out);
}
}
}
for (DB4OClob db4oClob : DB4OStore.getElementsOfType(getObjectContainer(), DB4OClob.class)) {
byte[] id = HexUtil.hexToBytes(db4oClob.getId());
char[] clob = db4oClob.getValue();
CharArrayReader in = new CharArrayReader(clob);
Writer out = handler.handleClob(id, clob.length);
if (out != null) {
try {
IOUtil.copyCharacter(in, out, clob.length);
} finally {
IOUtil.close(out);
}
}
}
}
public void loadLob(byte[] id, OutputStream out) throws IOException {
String key = HexUtil.bytesToHex(id);
IDB4OIdentifiableObject identifiableObject =
DB4OStore.getIdentifiableObject(getObjectContainer(), key);
if (identifiableObject == null) {
throw new IOException("Lob not found: " + key);
}
if (identifiableObject instanceof DB4OBlob) {
DB4OBlob blob = (DB4OBlob) identifiableObject;
byte[] byteArray = blob.getValue();
ByteArrayInputStream in = new ByteArrayInputStream(byteArray);
IOUtil.copyBinary(in, out, byteArray.length);
} else {
DB4OClob clob = (DB4OClob) identifiableObject;
char[] charArray = clob.getValue();
CharArrayReader in = new CharArrayReader(charArray);
IOUtil.copyCharacter(in, new OutputStreamWriter(out), charArray.length);
}
}
@Override
protected void writeClob(byte[] id, long size, Reader reader) throws IOException {
CharArrayWriter out = new CharArrayWriter();
IOUtil.copyCharacter(reader, out, size);
writeObject(new DB4OClob(HexUtil.bytesToHex(id), out.toCharArray()), new Monitor());
}