Example usage for java.io ObjectInput readObject

List of usage examples for java.io ObjectInput readObject

Introduction

In this page you can find the example usage for java.io ObjectInput readObject.

Prototype

public Object readObject() throws ClassNotFoundException, IOException;

Source Link

Document

Read and return an object.

Usage

From source file:org.apache.openjpa.persistence.EntityManagerImpl.java

public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
    try {/*from  ww w.  ja v  a  2s  . c o  m*/
        _ret = PersistenceExceptions.getRollbackTranslator(this);

        // this assumes that serialized Brokers are from something
        // that extends AbstractBrokerFactory.
        Object factoryKey = in.readObject();
        AbstractBrokerFactory factory = AbstractBrokerFactory.getPooledFactoryForKey(factoryKey);
        byte[] brokerBytes = (byte[]) in.readObject();
        ObjectInputStream innerIn = new BrokerBytesInputStream(brokerBytes, factory.getConfiguration());

        Broker broker = (Broker) innerIn.readObject();
        EntityManagerFactoryImpl emf = (EntityManagerFactoryImpl) JPAFacadeHelper
                .toEntityManagerFactory(broker.getBrokerFactory());
        broker.putUserObject(JPAFacadeHelper.EM_KEY, this);
        initialize(emf, broker);
    } catch (RuntimeException re) {
        try {
            re = _ret.translate(re);
        } catch (Exception e) {
            // ignore
        }
        throw re;
    }
}

From source file:org.apache.geode.internal.InternalDataSerializer.java

public static Object basicReadObject(final DataInput in) throws IOException, ClassNotFoundException {
    checkIn(in);//from   ww  w  .  j a  v  a  2s. co m

    // Read the header byte
    byte header = in.readByte();
    if (logger.isTraceEnabled(LogMarker.SERIALIZER)) {
        logger.trace(LogMarker.SERIALIZER, "basicReadObject: header={}", header);
    }
    switch (header) {
    case DS_FIXED_ID_BYTE:
        return DSFIDFactory.create(in.readByte(), in);
    case DS_FIXED_ID_SHORT:
        return DSFIDFactory.create(in.readShort(), in);
    case DS_FIXED_ID_INT:
        return DSFIDFactory.create(in.readInt(), in);
    case DS_NO_FIXED_ID:
        return readDataSerializableFixedID(in);
    case NULL:
        return null;
    case NULL_STRING:
    case STRING:
    case HUGE_STRING:
    case STRING_BYTES:
    case HUGE_STRING_BYTES:
        return readString(in, header);
    case CLASS:
        return readClass(in);
    case DATE:
        return readDate(in);
    case FILE:
        return readFile(in);
    case INET_ADDRESS:
        return readInetAddress(in);
    case BOOLEAN:
        return readBoolean(in);
    case CHARACTER:
        return readCharacter(in);
    case BYTE:
        return readByte(in);
    case SHORT:
        return readShort(in);
    case INTEGER:
        return readInteger(in);
    case LONG:
        return readLong(in);
    case FLOAT:
        return readFloat(in);
    case DOUBLE:
        return readDouble(in);
    case BYTE_ARRAY:
        return readByteArray(in);
    case ARRAY_OF_BYTE_ARRAYS:
        return readArrayOfByteArrays(in);
    case SHORT_ARRAY:
        return readShortArray(in);
    case STRING_ARRAY:
        return readStringArray(in);
    case INT_ARRAY:
        return readIntArray(in);
    case LONG_ARRAY:
        return readLongArray(in);
    case FLOAT_ARRAY:
        return readFloatArray(in);
    case DOUBLE_ARRAY:
        return readDoubleArray(in);
    case BOOLEAN_ARRAY:
        return readBooleanArray(in);
    case CHAR_ARRAY:
        return readCharArray(in);
    case OBJECT_ARRAY:
        return readObjectArray(in);
    case ARRAY_LIST:
        return readArrayList(in);
    case LINKED_LIST:
        return readLinkedList(in);
    case HASH_SET:
        return readHashSet(in);
    case LINKED_HASH_SET:
        return readLinkedHashSet(in);
    case HASH_MAP:
        return readHashMap(in);
    case IDENTITY_HASH_MAP:
        return readIdentityHashMap(in);
    case HASH_TABLE:
        return readHashtable(in);
    case CONCURRENT_HASH_MAP:
        return readConcurrentHashMap(in);
    case PROPERTIES:
        return readProperties(in);
    case TIME_UNIT:
        return readTimeUnit(in);
    case USER_CLASS:
        return readUserObject(in, in.readByte());
    case USER_CLASS_2:
        return readUserObject(in, in.readShort());
    case USER_CLASS_4:
        return readUserObject(in, in.readInt());
    case VECTOR:
        return readVector(in);
    case STACK:
        return readStack(in);
    case TREE_MAP:
        return readTreeMap(in);
    case TREE_SET:
        return readTreeSet(in);
    case BOOLEAN_TYPE:
        return Boolean.TYPE;
    case CHARACTER_TYPE:
        return Character.TYPE;
    case BYTE_TYPE:
        return Byte.TYPE;
    case SHORT_TYPE:
        return Short.TYPE;
    case INTEGER_TYPE:
        return Integer.TYPE;
    case LONG_TYPE:
        return Long.TYPE;
    case FLOAT_TYPE:
        return Float.TYPE;
    case DOUBLE_TYPE:
        return Double.TYPE;
    case VOID_TYPE:
        return Void.TYPE;

    case USER_DATA_SERIALIZABLE:
        return readUserDataSerializable(in, in.readByte());
    case USER_DATA_SERIALIZABLE_2:
        return readUserDataSerializable(in, in.readShort());
    case USER_DATA_SERIALIZABLE_4:
        return readUserDataSerializable(in, in.readInt());

    case DATA_SERIALIZABLE:
        return readDataSerializable(in);

    case SERIALIZABLE: {
        final boolean isDebugEnabled_SERIALIZER = logger.isTraceEnabled(LogMarker.SERIALIZER);
        Object serializableResult;
        if (in instanceof DSObjectInputStream) {
            serializableResult = ((DSObjectInputStream) in).readObject();
        } else {
            InputStream stream;
            if (in instanceof InputStream) {
                stream = (InputStream) in;
            } else {
                stream = new InputStream() {
                    @Override
                    public int read() throws IOException {
                        try {
                            return in.readUnsignedByte(); // fix for bug 47249
                        } catch (EOFException ignored) {
                            return -1;
                        }
                    }

                };
            }

            ObjectInput ois = new DSObjectInputStream(stream);
            if (stream instanceof VersionedDataStream) {
                Version v = ((VersionedDataStream) stream).getVersion();
                if (v != null && v != Version.CURRENT) {
                    ois = new VersionedObjectInput(ois, v);
                }
            }

            serializableResult = ois.readObject();

            if (isDebugEnabled_SERIALIZER) {
                logger.trace(LogMarker.SERIALIZER, "Read Serializable object: {}", serializableResult);
            }
        }
        if (isDebugEnabled_SERIALIZER) {
            logger.trace(LogMarker.SERIALIZER, "deserialized instanceof {}", serializableResult.getClass());
        }
        return serializableResult;
    }
    case PDX:
        return readPdxSerializable(in);
    case PDX_ENUM:
        return readPdxEnum(in);
    case GEMFIRE_ENUM:
        return readGemFireEnum(in);
    case PDX_INLINE_ENUM:
        return readPdxInlineEnum(in);
    case BIG_INTEGER:
        return readBigInteger(in);
    case BIG_DECIMAL:
        return readBigDecimal(in);
    case UUID:
        return readUUID(in);
    case TIMESTAMP:
        return readTimestamp(in);
    default:
        String s = "Unknown header byte: " + header;
        throw new IOException(s);
    }
}

From source file:org.apache.lens.server.query.QueryExecutionServiceImpl.java

@Override
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
    super.readExternal(in);
    // Restore drivers
    synchronized (drivers) {
        int numDrivers = in.readInt();
        String driverQualifiedName;
        String driverClsName;/* w  w w .j a  va 2s  . com*/
        for (int i = 0; i < numDrivers; i++) {
            driverQualifiedName = in.readUTF();
            driverClsName = in.readUTF();
            LensDriver driver = drivers.get(driverQualifiedName);
            if (driver == null) {
                // this driver is removed in the current server restart
                // we will create an instance and read its state still.
                try {
                    Class<? extends LensDriver> driverCls = (Class<? extends LensDriver>) Class
                            .forName(driverClsName);
                    driver = driverCls.newInstance();
                    String[] driverTypeAndName = StringUtils.split(driverQualifiedName, '/');
                    driver.configure(conf, driverTypeAndName[0], driverTypeAndName[1]);
                } catch (Exception e) {
                    log.error("Could not instantiate driver:{} represented by class {}", driverQualifiedName,
                            driverClsName, e);
                    throw new IOException(e);
                }
                log.info("Driver state for {} will be ignored", driverQualifiedName);
            }
            driver.readExternal(in);
        }
    }

    // Restore queries
    synchronized (allQueries) {
        int numQueries = in.readInt();

        for (int i = 0; i < numQueries; i++) {
            QueryContext ctx = (QueryContext) in.readObject();
            ctx.initTransientState();

            //Create DriverSelectorQueryContext by passing all the drivers and the user query
            //Driver conf gets reset in start
            DriverSelectorQueryContext driverCtx = new DriverSelectorQueryContext(ctx.getUserQuery(),
                    new Configuration(), drivers.values());
            ctx.setDriverContext(driverCtx);
            boolean driverAvailable = in.readBoolean();
            // set the selected driver if available, if not available for the cases of queued queries,
            // query service will do the selection from existing drivers and update
            if (driverAvailable) {
                String selectedDriverQualifiedName = in.readUTF();
                if (drivers.get(selectedDriverQualifiedName) != null) {
                    ctx.getDriverContext().setSelectedDriver(drivers.get(selectedDriverQualifiedName));
                    ctx.setDriverQuery(ctx.getSelectedDriver(), ctx.getSelectedDriverQuery());
                } else {
                    log.info("Ignoring {} as the driver is not loaded", ctx.getQueryHandle());
                    continue;
                }
            }
            allQueries.put(ctx.getQueryHandle(), ctx);
        }
    }
}

From source file:com.sentaroh.android.SMBExplorer.SMBExplorerMain.java

@SuppressWarnings("unchecked")
@Override// ww  w .j  ava2  s  .c  o  m
public void readExternal(ObjectInput objin) throws IOException, ClassNotFoundException {
    //      Log.v("","rd");
    long sid = objin.readLong();
    if (serialVersionUID != sid) {
        throw new IOException("serialVersionUID was not matched by saved UID");
    }

    paste_list = (ArrayList<FileListItem>) SerializeUtil.readArrayList(objin);
    paste_from_url = SerializeUtil.readUtf(objin);
    paste_to_url = SerializeUtil.readUtf(objin);
    paste_item_list = SerializeUtil.readUtf(objin);

    is_paste_copy = objin.readBoolean();
    is_paste_enabled = objin.readBoolean();
    is_paste_from_local = objin.readBoolean();

    local_dir_hist = (ArrayList<String>) SerializeUtil.readArrayList(objin);
    remote_dir_hist = (ArrayList<String>) SerializeUtil.readArrayList(objin);

    remote_file_list_cache = (ArrayList<FileListCacheItem>) SerializeUtil.readArrayList(objin);
    remote_curr_file_list = (FileListCacheItem) objin.readObject();
    local_file_list_cache = (ArrayList<FileListCacheItem>) SerializeUtil.readArrayList(objin);
    local_curr_file_list = (FileListCacheItem) objin.readObject();
    vsa = new ViewSaveArea();
    vsa.readExternal(objin);
    dialog_msg_cat = objin.readUTF();

    remoteBase = SerializeUtil.readUtf(objin);
    localBase = SerializeUtil.readUtf(objin);
    remoteDir = SerializeUtil.readUtf(objin);
    localDir = SerializeUtil.readUtf(objin);
    currentTabName = SerializeUtil.readUtf(objin);
    smbUser = SerializeUtil.readUtf(objin);
    smbPass = SerializeUtil.readUtf(objin);

    localUpButtonEnabled = objin.readBoolean();
    localTopButtonEnabled = objin.readBoolean();
    remoteUpButtonEnabled = objin.readBoolean();
    remoteTopButtonEnabled = objin.readBoolean();
}