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 writeBlob(byte[] id, long size, InputStream inputStream) throws IOException { ByteArrayOutputStream out = new ByteArrayOutputStream(); IOUtil.copyBinary(inputStream, out, size); writeObject(new DB4OBlob(HexUtil.bytesToHex(id), out.toByteArray()), new Monitor()); }