Java Code Examples for java.io.ObjectInput#read()

The following examples show how to use java.io.ObjectInput#read() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
public void readFromStream(ObjectInput in, int size) throws IOException
{
    if (size > buf.length)
    {
        buf = new byte[size];
    }
    int read = 0;
    while (read < size)
    {
        int moreRead = in.read(buf, read, size - read);
        if (moreRead < 0) throw new IOException("Could not read "+size+" bytes from stream");
        read += moreRead;
    }
    this.count = size;
    this.pos = 0;
}
 
Example 2
@Override
public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException {
	int len = in.readInt();
	byte[] storage = new byte[len];
	in.read(storage);
	setByteBuffer(ByteBuffer.wrap(storage).order(ByteOrder.LITTLE_ENDIAN), 0);
}
 
Example 3
/** {@inheritDoc} */
@Override public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
    fully = in.readBoolean();

    arr = new byte[in.readInt()];

    if (fully)
        in.readFully(arr);
    else
        in.read(arr);
}
 
Example 4
/** Read the base state of the instance.
 * This method does <strong>neither</strong> set the interpolated
 * time nor state. It is up to the derived class to reset it
 * properly calling the {@link #setInterpolatedTime} method later,
 * once all rest of the object state has been set up properly.
 * @param in stream where to read the state from
 * @return interpolated time to be set later by the caller
 * @exception IOException in case of read error
 * @exception ClassNotFoundException if an equation mapper class
 * cannot be found
 */
protected double readBaseExternal(final ObjectInput in)
  throws IOException, ClassNotFoundException {

  final int dimension = in.readInt();
  globalPreviousTime  = in.readDouble();
  globalCurrentTime   = in.readDouble();
  softPreviousTime    = in.readDouble();
  softCurrentTime     = in.readDouble();
  h                   = in.readDouble();
  forward             = in.readBoolean();
  primaryMapper       = (EquationsMapper) in.readObject();
  secondaryMappers    = new EquationsMapper[in.read()];
  for (int i = 0; i < secondaryMappers.length; ++i) {
      secondaryMappers[i] = (EquationsMapper) in.readObject();
  }
  dirtyState          = true;

  if (dimension < 0) {
      currentState = null;
  } else {
      currentState  = new double[dimension];
      for (int i = 0; i < currentState.length; ++i) {
          currentState[i] = in.readDouble();
      }
  }

  // we do NOT handle the interpolated time and state here
  interpolatedTime = Double.NaN;
  allocateInterpolatedArrays(dimension);

  finalized = true;

  return in.readDouble();

}
 
Example 5
/** Read the base state of the instance.
 * This method does <strong>neither</strong> set the interpolated
 * time nor state. It is up to the derived class to reset it
 * properly calling the {@link #setInterpolatedTime} method later,
 * once all rest of the object state has been set up properly.
 * @param in stream where to read the state from
 * @return interpolated time to be set later by the caller
 * @exception IOException in case of read error
 * @exception ClassNotFoundException if an equation mapper class
 * cannot be found
 */
protected double readBaseExternal(final ObjectInput in)
  throws IOException, ClassNotFoundException {

  final int dimension = in.readInt();
  globalPreviousTime  = in.readDouble();
  globalCurrentTime   = in.readDouble();
  softPreviousTime    = in.readDouble();
  softCurrentTime     = in.readDouble();
  h                   = in.readDouble();
  forward             = in.readBoolean();
  primaryMapper       = (EquationsMapper) in.readObject();
  secondaryMappers    = new EquationsMapper[in.read()];
  for (int i = 0; i < secondaryMappers.length; ++i) {
      secondaryMappers[i] = (EquationsMapper) in.readObject();
  }
  dirtyState          = true;

  if (dimension < 0) {
      currentState = null;
  } else {
      currentState  = new double[dimension];
      for (int i = 0; i < currentState.length; ++i) {
          currentState[i] = in.readDouble();
      }
  }

  // we do NOT handle the interpolated time and state here
  interpolatedTime = Double.NaN;
  allocateInterpolatedArrays(dimension);

  finalized = true;

  return in.readDouble();

}
 
Example 6
Source Project: gemfirexd-oss   File: StoredFieldHeader.java    License: Apache License 2.0 5 votes vote down vote up
/**
	read the field status

	@exception IOException Thrown by potential I/O errors while reading 
                              field header.
 */
public static final int readStatus(ObjectInput in) 
       throws IOException 
   {
	int status;

	if ((status = in.read()) >= 0)
           return status;
       else
		throw new EOFException();
}
 
Example 7
/** Read the base state of the instance.
 * This method does <strong>neither</strong> set the interpolated
 * time nor state. It is up to the derived class to reset it
 * properly calling the {@link #setInterpolatedTime} method later,
 * once all rest of the object state has been set up properly.
 * @param in stream where to read the state from
 * @return interpolated time to be set later by the caller
 * @exception IOException in case of read error
 * @exception ClassNotFoundException if an equation mapper class
 * cannot be found
 */
protected double readBaseExternal(final ObjectInput in)
  throws IOException, ClassNotFoundException {

  final int dimension = in.readInt();
  globalPreviousTime  = in.readDouble();
  globalCurrentTime   = in.readDouble();
  softPreviousTime    = in.readDouble();
  softCurrentTime     = in.readDouble();
  h                   = in.readDouble();
  forward             = in.readBoolean();
  primaryMapper       = (EquationsMapper) in.readObject();
  secondaryMappers    = new EquationsMapper[in.read()];
  for (int i = 0; i < secondaryMappers.length; ++i) {
      secondaryMappers[i] = (EquationsMapper) in.readObject();
  }
  dirtyState          = true;

  if (dimension < 0) {
      currentState = null;
  } else {
      currentState  = new double[dimension];
      for (int i = 0; i < currentState.length; ++i) {
          currentState[i] = in.readDouble();
      }
  }

  // we do NOT handle the interpolated time and state here
  interpolatedTime = Double.NaN;
  allocateInterpolatedArrays(dimension);

  finalized = true;

  return in.readDouble();

}
 
Example 8
/** Read the base state of the instance.
 * This method does <strong>neither</strong> set the interpolated
 * time nor state. It is up to the derived class to reset it
 * properly calling the {@link #setInterpolatedTime} method later,
 * once all rest of the object state has been set up properly.
 * @param in stream where to read the state from
 * @return interpolated time to be set later by the caller
 * @exception IOException in case of read error
 * @exception ClassNotFoundException if an equation mapper class
 * cannot be found
 */
protected double readBaseExternal(final ObjectInput in)
  throws IOException, ClassNotFoundException {

  final int dimension = in.readInt();
  globalPreviousTime  = in.readDouble();
  globalCurrentTime   = in.readDouble();
  softPreviousTime    = in.readDouble();
  softCurrentTime     = in.readDouble();
  h                   = in.readDouble();
  forward             = in.readBoolean();
  primaryMapper       = (EquationsMapper) in.readObject();
  secondaryMappers    = new EquationsMapper[in.read()];
  for (int i = 0; i < secondaryMappers.length; ++i) {
      secondaryMappers[i] = (EquationsMapper) in.readObject();
  }
  dirtyState          = true;

  if (dimension < 0) {
      currentState = null;
  } else {
      currentState  = new double[dimension];
      for (int i = 0; i < currentState.length; ++i) {
          currentState[i] = in.readDouble();
      }
  }

  // we do NOT handle the interpolated time and state here
  interpolatedTime = Double.NaN;
  allocateInterpolatedArrays(dimension);

  finalized = true;

  return in.readDouble();

}
 
Example 9
Source Project: org.openntf.domino   File: NoteSet.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public void readExternal(final ObjectInput arg0) throws IOException, ClassNotFoundException {
	int size = arg0.readInt();
	byte[] buffer = new byte[24];
	for (int i = 0; i < size; i++) {
		arg0.read(buffer);
		add(new NoteCoordinate(buffer));
	}
}
 
Example 10
Source Project: reladomo   File: BigDecimalAttribute.java    License: Apache License 2.0 5 votes vote down vote up
public BigDecimal readFromStream(ObjectInput in) throws IOException
{
    int length = in.readInt();
    byte[] buf = new byte[length];
    int read = in.read(buf);
    while(read < length)
    {
        read += in.read(buf, read, length - read);
    }
    BigInteger unscaledValue = new BigInteger(buf);
    return  new BigDecimal(unscaledValue, in.readInt());
}
 
Example 11
Source Project: j2objc   File: MeasureUnit.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
    /* byte version = */ in.readByte(); // version
    type = in.readUTF();
    subType = in.readUTF();
    // allow for more data from future version
    int extra = in.readShort();
    if (extra > 0) {
        byte[] extraBytes = new byte[extra];
        in.read(extraBytes, 0, extra);
    }
}
 
Example 12
@Override
public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException {
  final boolean hasReturnValue = in.read() == 1;
  if (hasReturnValue) {
    returnValue = in.readObject();
  } else {
    exception = (Throwable) in.readObject();
  }
}
 
Example 13
@Override
public void readExternal(final ObjectInput arg0) throws IOException, ClassNotFoundException {
	byte[] bytes = extreadbuffer_.get();
	arg0.read(bytes);
	this.db = Longs.fromBytes(bytes[0], bytes[1], bytes[2], bytes[3], bytes[4], bytes[5], bytes[6], bytes[7]);
	this.x = Longs.fromBytes(bytes[8], bytes[9], bytes[10], bytes[11], bytes[12], bytes[13], bytes[14], bytes[15]);
	this.y = Longs.fromBytes(bytes[16], bytes[17], bytes[18], bytes[19], bytes[20], bytes[21], bytes[22], bytes[23]);
}
 
Example 14
Source Project: tomee   File: EJBMetaDataImpl.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException {
    final byte version = in.readByte(); // future use

    homeClass = (Class) in.readObject();
    remoteClass = (Class) in.readObject();
    keyClass = (Class) in.readObject();
    ejbHomeProxy = (EJBHome) in.readObject();
    type = in.readByte();
    deploymentID = in.readUTF();
    deploymentCode = in.readShort();

    for (int i = in.readShort(); i > 0; i--) {
        businessClasses.add((Class) in.readObject());
    }
    if (businessClasses.size() > 0) {
        primaryKey = in.readObject();
    }
    if (version > 2) {
        mainInterface = (Class) in.readObject();
    }
    if (version > 1) {
        final byte typeIndex = in.readByte();
        interfaceType = InterfaceType.values()[typeIndex];
    }
    for (int i = in.readInt(); i > 0; i--) {
        asynchronousMethods.add((String) in.readObject());
    }

    final boolean hasProperties = in.readBoolean();
    if (hasProperties) {
        final int bufferLength = in.readInt();
        final byte[] buffer = new byte[bufferLength];
        in.read(buffer);
        final ByteArrayInputStream bais = new ByteArrayInputStream(buffer);
        properties.load(bais);
    }
}
 
Example 15
Source Project: riotapi   File: BroadcastNotification.java    License: Apache License 2.0 5 votes vote down vote up
public void readExternal(ObjectInput in) throws IOException {
    byte[] buffer = new byte[in.readInt()];
    int i = 0;
    while (i < buffer.length - 1) {
        i += in.read(buffer, i, buffer.length - i);
    }
    String json = new String(buffer, "UTF-8");
    JsonElement elem = new JsonParser().parse(json);
    this.json = elem == null || elem.isJsonNull() ? null : elem.getAsJsonObject();
}
 
Example 16
/**
 * Read the encoded length of the value from the on-disk format.
 * 
 * @see SQLBinary
*/
private static int readBinaryLength(ObjectInput in) throws IOException {

    int bl = in.read();
    if (bl == -1)
        throw new java.io.EOFException();
    
    byte li = (byte) bl;

    int len;
    if ((li & ((byte) 0x80)) != 0)
    {
        if (li == ((byte) 0xC0))
        {
            len = in.readInt();
         }
        else if (li == ((byte) 0xA0))
        {
            len = in.readUnsignedShort();
        }
        else
        {
            len = li & 0x1F;
        }
    }
    else
    {
        
        // old length in bits
        int v2 = in.read();
        int v3 = in.read();
        int v4 = in.read();
        if (v2 == -1 || v3 == -1 || v4 == -1)
            throw new java.io.EOFException();
        int lenInBits = (((bl & 0xff) << 24) | ((v2 & 0xff) << 16) | ((v3 & 0xff) << 8) | (v4 & 0xff));

        len = lenInBits / 8;
        if ((lenInBits % 8) != 0)
            len++;
     }
    return len;
}
 
Example 17
Source Project: gemfirexd-oss   File: FakeByteArray.java    License: Apache License 2.0 4 votes vote down vote up
public void readExternal( ObjectInput in ) throws IOException
{
    _length = in.readInt();

    for ( int i = 0; i < _length; i++ ) { _fill = (byte) in.read(); }
}
 
Example 18
Source Project: gemfirexd-oss   File: StoredFieldHeader.java    License: Apache License 2.0 4 votes vote down vote up
/**
	read the field data length

	@exception IOException Thrown by potential I/O errors while reading 
                              field header.
 */
public static final int readFieldDataLength(
   ObjectInput in, 
   int status, 
   int fieldDataSize)
		throws IOException 
   {
	
       if ((status & (FIELD_NULL | FIELD_FIXED)) == 0)
       {
           // usual case-not null, not fixed.  Length stored as compressed int.
           return(CompressedNumber.readInt(in));
       }
       else if ((status & FIELD_NULL) != 0)
       {
           // field is null or non-existent.
           return(0);
       }
       else
       {
           int fieldDataLength;

           // field data length is in a fixed size field, not compressed.

           if (fieldDataSize <= 2)
           {
               // read it in as short, because it was written out as short
               int ch1 = in.read();
               int ch2 = in.read();
               if ((ch1 | ch2) < 0)
                    throw new EOFException();

               fieldDataLength = ((ch1 << 8) + (ch2 << 0));
           }
           else
           {
               fieldDataLength = 
                   CompressedNumber.readInt(in);

               int diffLen = 
                   fieldDataSize - 
                   CompressedNumber.sizeInt(fieldDataLength);

               if (diffLen != 0)
                   in.skipBytes(diffLen);
           } 

           return(fieldDataLength);
       }
}
 
Example 19
@Override
public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException {
	int length = in.readInt();
	data_ = new byte[length];
	in.read(data_);
}
 
Example 20
Source Project: protect   File: ConsensusMessage.java    License: MIT License 3 votes vote down vote up
@Override
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {

	super.readExternal(in);

	number = in.readInt();
	epoch = in.readInt();
	paxosType = PaxosMessageType.getPaxosMessageByValue(in.readInt());

	int toRead = in.readInt();

	if (toRead != -1) {

		value = new byte[toRead];

		do {

			toRead -= in.read(value, value.length - toRead, toRead);

		} while (toRead > 0);

	}

	boolean asProof = in.readBoolean();
	if (asProof) {

		proof = in.readObject();
	}

}