Package org.jppf.serialization

Class JPPFObjectInputStream

java.lang.Object

java.io.InputStream

java.io.ObjectInputStream

org.jppf.serialization.JPPFObjectInputStream

All Implemented Interfaces:

Closeable, DataInput, ObjectInput, ObjectStreamConstants, AutoCloseable

public class JPPFObjectInputStream
extends ObjectInputStream

Implementation of ObjectInputStream that reads objects without regards to whether they implement Serializable or not. This allows using non-serializable classes in JPPF tasks, especially when their source code is not available.

The rest of the ObjectInputStream specification is respected:

• transient fields are not deserialized
• private void readObject(ObjectInputStream) is used whenever implemented
• the Externalizable interface is respected

Author:

Laurent Cohen

Nested Class Summary

Nested classes/interfaces inherited from class java.io.ObjectInputStream

ObjectInputStream.GetField

Field Summary

Fields inherited from interface java.io.ObjectStreamConstants

baseWireHandle, PROTOCOL_VERSION_1, PROTOCOL_VERSION_2, SC_BLOCK_DATA, SC_ENUM, SC_EXTERNALIZABLE, SC_SERIALIZABLE, SC_WRITE_METHOD, SERIAL_FILTER_PERMISSION, STREAM_MAGIC, STREAM_VERSION, SUBCLASS_IMPLEMENTATION_PERMISSION, SUBSTITUTION_PERMISSION, TC_ARRAY, TC_BASE, TC_BLOCKDATA, TC_BLOCKDATALONG, TC_CLASS, TC_CLASSDESC, TC_ENDBLOCKDATA, TC_ENUM, TC_EXCEPTION, TC_LONGSTRING, TC_MAX, TC_NULL, TC_OBJECT, TC_PROXYCLASSDESC, TC_REFERENCE, TC_RESET, TC_STRING

Constructor Summary

Constructors

Constructor	Description
JPPFObjectInputStream(InputStream in)	Initialize this object input stream with the specified stream.
JPPFObjectInputStream(InputStream in, org.jppf.serialization.Deserializer deserializer)	Initialize this object input stream with the specified stream.

Method Summary

Modifier and Type	Method	Description
void	close()
void	defaultReadObject()
int	read()
int	read(byte[] buf, int off, int len)
boolean	readBoolean()
byte	readByte()
char	readChar()
double	readDouble()
ObjectInputStream.GetField	readFields()
float	readFloat()
void	readFully(byte[] buf)
void	readFully(byte[] buf, int off, int len)
int	readInt()
String	readLine()
long	readLong()
protected Object	readObjectOverride()
short	readShort()
int	readUnsignedByte()
int	readUnsignedShort()
String	readUTF()
int	skipBytes(int len)

Methods inherited from class java.io.ObjectInputStream

available, enableResolveObject, getObjectInputFilter, readClassDescriptor, readObject, readStreamHeader, readUnshared, registerValidation, resolveClass, resolveObject, resolveProxyClass, setObjectInputFilter

Methods inherited from class java.io.InputStream

mark, markSupported, nullInputStream, read, readAllBytes, readNBytes, readNBytes, reset, skip, skipNBytes, transferTo

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.io.ObjectInput

read, skip

Constructor Details

JPPFObjectInputStream

public JPPFObjectInputStream(InputStream in)
                      throws IOException

Initialize this object input stream with the specified stream.

Parameters:

in - the stream to read data from.

Throws:

IOException - if an I/O error occurs.

JPPFObjectInputStream

public JPPFObjectInputStream(InputStream in,
 org.jppf.serialization.Deserializer deserializer)
                      throws IOException

Initialize this object input stream with the specified stream.

Parameters:

in - the stream to read data from.

deserializer - the deserializer to use.

Throws:

IOException - if an I/O error occurs.

Method Details

readObjectOverride

protected Object readObjectOverride()
                             throws IOException,
ClassNotFoundException

Overrides:

readObjectOverride in class ObjectInputStream

Throws:

IOException

ClassNotFoundException

read

public int read()
         throws IOException

Specified by:

read in interface ObjectInput

Overrides:

read in class ObjectInputStream

Throws:

IOException

read

public int read(byte[] buf,
 int off,
 int len)
         throws IOException

Specified by:

read in interface ObjectInput

Overrides:

read in class ObjectInputStream

Throws:

IOException

readBoolean

public boolean readBoolean()
                    throws IOException

Specified by:

readBoolean in interface DataInput

Overrides:

readBoolean in class ObjectInputStream

Throws:

IOException

readByte

public byte readByte()
              throws IOException

Specified by:

readByte in interface DataInput

Overrides:

readByte in class ObjectInputStream

Throws:

IOException

readChar

public char readChar()
              throws IOException

Specified by:

readChar in interface DataInput

Overrides:

readChar in class ObjectInputStream

Throws:

IOException

readShort

public short readShort()
                throws IOException

Specified by:

readShort in interface DataInput

Overrides:

readShort in class ObjectInputStream

Throws:

IOException

readInt

public int readInt()
            throws IOException

Specified by:

readInt in interface DataInput

Overrides:

readInt in class ObjectInputStream

Throws:

IOException

readLong

public long readLong()
              throws IOException

Specified by:

readLong in interface DataInput

Overrides:

readLong in class ObjectInputStream

Throws:

IOException

readFloat

public float readFloat()
                throws IOException

Specified by:

readFloat in interface DataInput

Overrides:

readFloat in class ObjectInputStream

Throws:

IOException

readDouble

public double readDouble()
                  throws IOException

Specified by:

readDouble in interface DataInput

Overrides:

readDouble in class ObjectInputStream

Throws:

IOException

skipBytes

public int skipBytes(int len)
              throws IOException

Specified by:

skipBytes in interface DataInput

Overrides:

skipBytes in class ObjectInputStream

Throws:

IOException

readUTF

public String readUTF()
               throws IOException

Specified by:

readUTF in interface DataInput

Overrides:

readUTF in class ObjectInputStream

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in interface ObjectInput

Overrides:

close in class ObjectInputStream

Throws:

IOException

readUnsignedByte

public int readUnsignedByte()
                     throws IOException

Specified by:

readUnsignedByte in interface DataInput

Overrides:

readUnsignedByte in class ObjectInputStream

Throws:

IOException

readUnsignedShort

public int readUnsignedShort()
                      throws IOException

Specified by:

readUnsignedShort in interface DataInput

Overrides:

readUnsignedShort in class ObjectInputStream

Throws:

IOException

readFully

public void readFully(byte[] buf)
               throws IOException

Specified by:

readFully in interface DataInput

Overrides:

readFully in class ObjectInputStream

Throws:

IOException

readFully

public void readFully(byte[] buf,
 int off,
 int len)
               throws IOException

Specified by:

readFully in interface DataInput

Overrides:

readFully in class ObjectInputStream

Throws:

IOException

readLine

public String readLine()
                throws IOException

Specified by:

readLine in interface DataInput

Overrides:

readLine in class ObjectInputStream

Throws:

IOException

defaultReadObject

public void defaultReadObject()
                       throws IOException,
ClassNotFoundException

Overrides:

defaultReadObject in class ObjectInputStream

Throws:

IOException

ClassNotFoundException

readFields

public ObjectInputStream.GetField readFields()
                                      throws IOException,
ClassNotFoundException

Overrides:

readFields in class ObjectInputStream

Throws:

IOException

ClassNotFoundException