Examples with ObjectInputStream java.io.ObjectInputStream used on opensource projects

Example 76 with ObjectInputStream

use of java.io.ObjectInputStream in project javatari by ppeccin.

the class CartridgeSavestate method getConsoleState.

public ConsoleState getConsoleState() {
    try {
        ByteArrayInputStream byteStream = new ByteArrayInputStream(rom.content);
        byteStream.skip(contentIdentifier.length);
        ObjectInputStream objStream = new ObjectInputStream(byteStream);
        return (ConsoleState) objStream.readObject();
    } catch (Exception ex) {
        // Cast or IO errors
        ex.printStackTrace();
        return null;
    }
}

Example 77 with ObjectInputStream

use of java.io.ObjectInputStream in project javatari by ppeccin.

the class RemoteReceiver method tryConnection.

private void tryConnection(String serverAddress) throws IOException, IllegalArgumentException {
    this.serverAddress = serverAddress;
    try {
        String addr = getHost(serverAddress);
        int port = getPort(serverAddress);
        socket = new Socket(addr, port);
        socket.setTcpNoDelay(true);
        socketOutputStream = socket.getOutputStream();
        outputStream = new ObjectOutputStream(socketOutputStream);
        socketInputStream = socket.getInputStream();
        inputStream = new ObjectInputStream(socketInputStream);
    } catch (IOException ex) {
        disconnection();
        throw ex;
    }
    resetUpdatesPending();
    updatesReceiver = new UpdatesReceiver();
    updatesReceiver.start();
    updatesConsumer = new UpdatesConsumer();
    updatesConsumer.start();
    console.connected();
    notifyConnectionStatusListeners();
}

Example 78 with ObjectInputStream

use of java.io.ObjectInputStream in project javatari by ppeccin.

the class RemoteTransmitter method connect.

private void connect(Socket toSocket) throws IOException {
    socket = toSocket;
    socket.setTcpNoDelay(true);
    socketOutputStream = socket.getOutputStream();
    outputStream = new ObjectOutputStream(socketOutputStream);
    socketInputStream = socket.getInputStream();
    inputStream = new ObjectInputStream(socketInputStream);
    resetUpdatesPending();
    console.clientConnected();
    notifyConnectionStatusListeners();
}

Example 79 with ObjectInputStream

use of java.io.ObjectInputStream in project flink by apache.

the class RocksDBKeyedStateBackend method restoreOldSavepointKeyedState.

/**
	 * For backwards compatibility, remove again later!
	 */
@Deprecated
private void restoreOldSavepointKeyedState(Collection<KeyGroupsStateHandle> restoreState) throws Exception {
    if (restoreState.isEmpty()) {
        return;
    }
    Preconditions.checkState(1 == restoreState.size(), "Only one element expected here.");
    HashMap<String, RocksDBStateBackend.FinalFullyAsyncSnapshot> namedStates;
    try (FSDataInputStream inputStream = restoreState.iterator().next().openInputStream()) {
        namedStates = InstantiationUtil.deserializeObject(inputStream, userCodeClassLoader);
    }
    Preconditions.checkState(1 == namedStates.size(), "Only one element expected here.");
    DataInputView inputView = namedStates.values().iterator().next().stateHandle.getState(userCodeClassLoader);
    // clear k/v state information before filling it
    kvStateInformation.clear();
    // first get the column family mapping
    int numColumns = inputView.readInt();
    Map<Byte, StateDescriptor<?, ?>> columnFamilyMapping = new HashMap<>(numColumns);
    for (int i = 0; i < numColumns; i++) {
        byte mappingByte = inputView.readByte();
        ObjectInputStream ooIn = new InstantiationUtil.ClassLoaderObjectInputStream(new DataInputViewStream(inputView), userCodeClassLoader);
        StateDescriptor stateDescriptor = (StateDescriptor) ooIn.readObject();
        columnFamilyMapping.put(mappingByte, stateDescriptor);
        // this will fill in the k/v state information
        getColumnFamily(stateDescriptor, MigrationNamespaceSerializerProxy.INSTANCE);
    }
    // try and read until EOF
    try {
        // the EOFException will get us out of this...
        while (true) {
            byte mappingByte = inputView.readByte();
            ColumnFamilyHandle handle = getColumnFamily(columnFamilyMapping.get(mappingByte), MigrationNamespaceSerializerProxy.INSTANCE);
            byte[] keyAndNamespace = BytePrimitiveArraySerializer.INSTANCE.deserialize(inputView);
            ByteArrayInputStreamWithPos bis = new ByteArrayInputStreamWithPos(keyAndNamespace);
            K reconstructedKey = keySerializer.deserialize(new DataInputViewStreamWrapper(bis));
            int len = bis.getPosition();
            int keyGroup = (byte) KeyGroupRangeAssignment.assignToKeyGroup(reconstructedKey, numberOfKeyGroups);
            if (keyGroupPrefixBytes == 1) {
                // copy and override one byte (42) between key and namespace
                System.arraycopy(keyAndNamespace, 0, keyAndNamespace, 1, len);
                keyAndNamespace[0] = (byte) keyGroup;
            } else {
                byte[] largerKey = new byte[1 + keyAndNamespace.length];
                // write key-group
                largerKey[0] = (byte) ((keyGroup >> 8) & 0xFF);
                largerKey[1] = (byte) (keyGroup & 0xFF);
                // write key
                System.arraycopy(keyAndNamespace, 0, largerKey, 2, len);
                //skip one byte (42), write namespace
                System.arraycopy(keyAndNamespace, 1 + len, largerKey, 2 + len, keyAndNamespace.length - len - 1);
                keyAndNamespace = largerKey;
            }
            byte[] value = BytePrimitiveArraySerializer.INSTANCE.deserialize(inputView);
            db.put(handle, keyAndNamespace, value);
        }
    } catch (EOFException e) {
    // expected
    }
}

Example 80 with ObjectInputStream

use of java.io.ObjectInputStream in project flink by apache.

the class DelimitedInputFormatTest method testSerialization.

@Test
public void testSerialization() throws Exception {
    final byte[] DELIMITER = new byte[] { 1, 2, 3, 4 };
    final int NUM_LINE_SAMPLES = 7;
    final int LINE_LENGTH_LIMIT = 12345;
    final int BUFFER_SIZE = 178;
    DelimitedInputFormat<String> format = new MyTextInputFormat();
    format.setDelimiter(DELIMITER);
    format.setNumLineSamples(NUM_LINE_SAMPLES);
    format.setLineLengthLimit(LINE_LENGTH_LIMIT);
    format.setBufferSize(BUFFER_SIZE);
    ByteArrayOutputStream baos = new ByteArrayOutputStream(4096);
    ObjectOutputStream oos = new ObjectOutputStream(baos);
    oos.writeObject(format);
    oos.flush();
    oos.close();
    ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(baos.toByteArray()));
    @SuppressWarnings("unchecked") DelimitedInputFormat<String> deserialized = (DelimitedInputFormat<String>) ois.readObject();
    assertEquals(NUM_LINE_SAMPLES, deserialized.getNumLineSamples());
    assertEquals(LINE_LENGTH_LIMIT, deserialized.getLineLengthLimit());
    assertEquals(BUFFER_SIZE, deserialized.getBufferSize());
    assertArrayEquals(DELIMITER, deserialized.getDelimiter());
}