1. Description
2. Field Summary
3. Field Details
   1. STREAM_MAGIC
   2. STREAM_VERSION
   3. TC_BASE
   4. TC_NULL
   5. TC_REFERENCE
   6. TC_CLASSDESC
   7. TC_OBJECT
   8. TC_STRING
   9. TC_ARRAY
   10. TC_CLASS
   11. TC_BLOCKDATA
   12. TC_ENDBLOCKDATA
   13. TC_RESET
   14. TC_BLOCKDATALONG
   15. TC_EXCEPTION
   16. TC_LONGSTRING
   17. TC_PROXYCLASSDESC
   18. TC_ENUM
   19. TC_MAX
   20. baseWireHandle
   21. SC_WRITE_METHOD
   22. SC_BLOCK_DATA
   23. SC_SERIALIZABLE
   24. SC_EXTERNALIZABLE
   25. SC_ENUM
   26. SUBSTITUTION_PERMISSION
   27. SUBCLASS_IMPLEMENTATION_PERMISSION
   28. SERIAL_FILTER_PERMISSION
   29. PROTOCOL_VERSION_1
   30. PROTOCOL_VERSION_2

All Known Implementing Classes:

ObjectInputStream, ObjectOutputStream

• Field Summary

  Fields
  Modifier and Type

  Field

  Description

  static final int

  baseWireHandle

  First wire handle to be assigned.

  static final int

  PROTOCOL_VERSION_1

  A Stream Protocol Version.

  static final int

  PROTOCOL_VERSION_2

  A Stream Protocol Version.

  static final byte

  SC_BLOCK_DATA

  Bit mask for ObjectStreamClass flag.

  static final byte

  SC_ENUM

  Bit mask for ObjectStreamClass flag.

  static final byte

  SC_EXTERNALIZABLE

  Bit mask for ObjectStreamClass flag.

  static final byte

  SC_SERIALIZABLE

  Bit mask for ObjectStreamClass flag.

  static final byte

  SC_WRITE_METHOD

  Bit mask for ObjectStreamClass flag.

  static final SerializablePermission

  SERIAL_FILTER_PERMISSION

  Enable setting the system-wide serial filter.

  static final short

  STREAM_MAGIC

  Magic number that is written to the stream header.

  static final short

  STREAM_VERSION

  Version number that is written to the stream header.

  static final SerializablePermission

  SUBCLASS_IMPLEMENTATION_PERMISSION

  Enable overriding of readObject and writeObject.

  static final SerializablePermission

  SUBSTITUTION_PERMISSION

  Enable substitution of one object for another during serialization/deserialization.

  static final byte

  TC_ARRAY

  new Array.

  static final byte

  TC_BASE

  First tag value.

  static final byte

  TC_BLOCKDATA

  Block of optional data.

  static final byte

  TC_BLOCKDATALONG

  long Block data.

  static final byte

  TC_CLASS

  Reference to Class.

  static final byte

  TC_CLASSDESC

  new Class Descriptor.

  static final byte

  TC_ENDBLOCKDATA

  End of optional block data blocks for an object.

  static final byte

  TC_ENUM

  new Enum constant.

  static final byte

  TC_EXCEPTION

  Exception during write.

  static final byte

  TC_LONGSTRING

  Long string.

  static final byte

  TC_MAX

  Last tag value.

  static final byte

  TC_NULL

  Null object reference.

  static final byte

  TC_OBJECT

  new Object.

  static final byte

  TC_PROXYCLASSDESC

  new Proxy Class Descriptor.

  static final byte

  TC_REFERENCE

  Reference to an object already written into the stream.

  static final byte

  TC_RESET

  Reset stream context.

  static final byte

  TC_STRING

  new String.

• Field Details

  • STREAM_MAGIC

    static final short STREAM_MAGIC

    Magic number that is written to the stream header.

    See Also:

    • Constant Field Values

  • STREAM_VERSION

    static final short STREAM_VERSION

    Version number that is written to the stream header.

    See Also:

    • Constant Field Values

  • TC_BASE

    static final byte TC_BASE

    First tag value.

    See Also:

    • Constant Field Values

  • TC_NULL

    static final byte TC_NULL

    Null object reference.

    See Also:

    • Constant Field Values

  • TC_REFERENCE

    static final byte TC_REFERENCE

    Reference to an object already written into the stream.

    See Also:

    • Constant Field Values

  • TC_CLASSDESC

    static final byte TC_CLASSDESC

    new Class Descriptor.

    See Also:

    • Constant Field Values

  • TC_OBJECT

    static final byte TC_OBJECT

    new Object.

    See Also:

    • Constant Field Values

  • TC_STRING

    static final byte TC_STRING

    new String.

    See Also:

    • Constant Field Values

  • TC_ARRAY

    static final byte TC_ARRAY

    new Array.

    See Also:

    • Constant Field Values

  • TC_CLASS

    static final byte TC_CLASS

    Reference to Class.

    See Also:

    • Constant Field Values

  • TC_BLOCKDATA

    static final byte TC_BLOCKDATA

    Block of optional data. Byte following tag indicates number of bytes in this block data.

    See Also:

    • Constant Field Values

  • TC_ENDBLOCKDATA

    static final byte TC_ENDBLOCKDATA

    End of optional block data blocks for an object.

    See Also:

    • Constant Field Values

  • TC_RESET

    static final byte TC_RESET

    Reset stream context. All handles written into stream are reset.

    See Also:

    • Constant Field Values

  • TC_BLOCKDATALONG

    static final byte TC_BLOCKDATALONG

    long Block data. The long following the tag indicates the number of bytes in this block data.

    See Also:

    • Constant Field Values

  • TC_EXCEPTION

    static final byte TC_EXCEPTION

    Exception during write.

    See Also:

    • Constant Field Values

  • TC_LONGSTRING

    static final byte TC_LONGSTRING

    Long string.

    See Also:

    • Constant Field Values

  • TC_PROXYCLASSDESC

    static final byte TC_PROXYCLASSDESC

    new Proxy Class Descriptor.

    See Also:

    • Constant Field Values

  • TC_ENUM

    static final byte TC_ENUM

    new Enum constant.

    Since:

    1.5

    See Also:

    • Constant Field Values

  • TC_MAX

    static final byte TC_MAX

    Last tag value.

    See Also:

    • Constant Field Values

  • baseWireHandle

    static final int baseWireHandle

    First wire handle to be assigned.

    See Also:

    • Constant Field Values

  • SC_WRITE_METHOD

    static final byte SC_WRITE_METHOD

    Bit mask for ObjectStreamClass flag. Indicates a Serializable class defines its own writeObject method.

    See Also:

    • Constant Field Values

  • SC_BLOCK_DATA

    static final byte SC_BLOCK_DATA

    Bit mask for ObjectStreamClass flag. Indicates Externalizable data written in Block Data mode. Added for PROTOCOL_VERSION_2.

    Since:

    1.2

    See Also:

    • PROTOCOL_VERSION_2
    • Constant Field Values

  • SC_SERIALIZABLE

    static final byte SC_SERIALIZABLE

    Bit mask for ObjectStreamClass flag. Indicates class is Serializable.

    See Also:

    • Constant Field Values

  • SC_EXTERNALIZABLE

    static final byte SC_EXTERNALIZABLE

    Bit mask for ObjectStreamClass flag. Indicates class is Externalizable.

    See Also:

    • Constant Field Values

  • SC_ENUM

    static final byte SC_ENUM

    Bit mask for ObjectStreamClass flag. Indicates class is an enum type.

    Since:

    1.5

    See Also:

    • Constant Field Values

  • SUBSTITUTION_PERMISSION

    static final SerializablePermission SUBSTITUTION_PERMISSION

    Enable substitution of one object for another during serialization/deserialization.

    Since:

    1.2

    See Also:

    • ObjectOutputStream.enableReplaceObject(boolean)
    • ObjectInputStream.enableResolveObject(boolean)

  • SUBCLASS_IMPLEMENTATION_PERMISSION

    static final SerializablePermission SUBCLASS_IMPLEMENTATION_PERMISSION

    Enable overriding of readObject and writeObject.

    Since:

    1.2

    See Also:

    • ObjectOutputStream.writeObjectOverride(Object)
    • ObjectInputStream.readObjectOverride()

  • SERIAL_FILTER_PERMISSION

    static final SerializablePermission SERIAL_FILTER_PERMISSION

    Enable setting the system-wide serial filter.

    Since:

    9

    See Also:

    • ObjectInputFilter.Config.setSerialFilter(ObjectInputFilter)

  • PROTOCOL_VERSION_1

    static final int PROTOCOL_VERSION_1

    A Stream Protocol Version.

    All externalizable data is written in JDK 1.1 external data format after calling this method. This version is needed to write streams containing Externalizable data that can be read by pre-JDK 1.1.6 JVMs.

    Since:

    1.2

    See Also:

    • ObjectOutputStream.useProtocolVersion(int)
    • Constant Field Values

  • PROTOCOL_VERSION_2

    static final int PROTOCOL_VERSION_2

    A Stream Protocol Version.

    This protocol is written by JVM 1.2.

    Externalizable data is written in block data mode and is terminated with TC_ENDBLOCKDATA. Externalizable class descriptor flags has SC_BLOCK_DATA enabled. JVM 1.1.6 and greater can read this format change.

    Enables writing a nonSerializable class descriptor into the stream. The serialVersionUID of a nonSerializable class is set to 0L.

    Since:

    1.2

    See Also:

    • ObjectOutputStream.useProtocolVersion(int)
    • SC_BLOCK_DATA
    • Constant Field Values

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