@Test(groups = TestGroup.UNIT)
public void roundTrip() throws IOException {
InputStream source1 = new ByteArrayInputStream(s_json.getBytes());
ByteArrayOutputStream sink1 = new ByteArrayOutputStream();
Compressor.compressStream(source1, sink1);
InputStream source2 = new ByteArrayInputStream(sink1.toByteArray());
ByteArrayOutputStream sink2 = new ByteArrayOutputStream();
Compressor.decompressStream(source2, sink2);
assertEquals(s_json, sink2.toString());
}
/** Create the application. */
public Outside() {
initialize();
mcu.configurePins(TXDPin, RXDPin, Compressor_MCU_Pin);
mcu.start();
max485.start();
compressor.start();
}
public static void main(String[] args) throws IOException {
InputStream source1 =
new ByteArrayInputStream(new JSONArray(randomObjects()).toString().getBytes());
ByteArrayOutputStream sink1 = new ByteArrayOutputStream();
System.out.println(s_json);
Compressor.compressStream(source1, sink1);
System.out.println("JSON size: " + s_json.length());
System.out.println("compressed size: " + sink1.size());
System.out.println("ratio: " + ((double) sink1.size() / (double) s_json.length()));
}
@Override
public UploadResult uploadBackup(
Exhibitor exhibitor,
BackupMetaData backup,
File source,
final Map<String, String> configValues)
throws Exception {
List<BackupMetaData> availableBackups = getAvailableBackups(exhibitor, configValues);
if (availableBackups.contains(backup)) {
return UploadResult.DUPLICATE;
}
RetryPolicy retryPolicy = makeRetryPolicy(configValues);
Throttle throttle = makeThrottle(configValues);
String key = toKey(backup);
InitiateMultipartUploadRequest initRequest =
new InitiateMultipartUploadRequest(configValues.get(CONFIG_BUCKET.getKey()), key);
InitiateMultipartUploadResult initResponse = s3Client.initiateMultipartUpload(initRequest);
CompressorIterator compressorIterator = compressor.compress(source);
try {
List<PartETag> eTags = Lists.newArrayList();
int index = 0;
for (; ; ) {
ByteBuffer chunk = compressorIterator.next();
if (chunk == null) {
break;
}
throttle.throttle(chunk.limit());
PartETag eTag = uploadChunkWithRetry(chunk, initResponse, index++, retryPolicy);
eTags.add(eTag);
}
completeUpload(initResponse, eTags);
} catch (Exception e) {
abortUpload(initResponse);
throw e;
} finally {
Closeables.closeQuietly(compressorIterator);
}
UploadResult result = UploadResult.SUCCEEDED;
for (BackupMetaData existing : availableBackups) {
if (existing.getName().equals(backup.getName())) {
deleteBackup(exhibitor, existing, configValues);
result = UploadResult.REPLACED_OLD_VERSION;
}
}
return result;
}
static void processFiles(Context cx, String[] files) throws IOException {
StringBuffer cout = new StringBuffer();
if (files.length > 0) {
for (int i = 0; i < files.length; i++) {
try {
String source = (String) readFileOrUrl(files[i], true);
cout.append(Compressor.compressScript(source, 0, 1, escapeUnicode, stripConsole));
} catch (IOException ex) {
// continue processing files
}
}
} else {
byte[] data = Kit.readStream(global.getIn(), 4096);
// Convert to String using the default encoding
String source = new String(data);
if (source != null) {
cout.append(Compressor.compressScript(source, 0, 1, escapeUnicode, stripConsole));
}
}
global.getOut().println(cout);
}
@Override
public void downloadBackup(
Exhibitor exhibitor,
BackupMetaData backup,
File destination,
Map<String, String> configValues)
throws Exception {
S3Object object = s3Client.getObject(configValues.get(CONFIG_BUCKET.getKey()), toKey(backup));
long startMs = System.currentTimeMillis();
RetryPolicy retryPolicy = makeRetryPolicy(configValues);
int retryCount = 0;
boolean done = false;
while (!done) {
Throttle throttle = makeThrottle(configValues);
InputStream in = null;
FileOutputStream out = null;
try {
out = new FileOutputStream(destination);
in = object.getObjectContent();
FileChannel channel = out.getChannel();
CompressorIterator compressorIterator = compressor.decompress(in);
for (; ; ) {
ByteBuffer bytes = compressorIterator.next();
if (bytes == null) {
break;
}
throttle.throttle(bytes.limit());
channel.write(bytes);
}
done = true;
} catch (Exception e) {
if (!retryPolicy.allowRetry(retryCount++, System.currentTimeMillis() - startMs)) {
done = true;
}
} finally {
Closeables.closeQuietly(in);
Closeables.closeQuietly(out);
}
}
}
/**
* stop()
*
* <p>stops compressing air
*/
public void stop() {
compressor.stop();
}
/**
* start()
*
* <p>starts compressing air
*/
public void start() {
compressor.start();
}