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java.io
Class ObjectOutputStream.PutField

java.lang.Object
  java.io.ObjectOutputStream.PutField

Enclosing class:

ObjectOutputStream

public abstract static class ObjectOutputStream.PutField
extends Object

Provide programmatic access to the persistent fields to be written to ObjectOutput.

Since:

1.2

Constructor and Description

ObjectOutputStream.PutField()

Method Summary

Modifier and Type	Method and Description
abstract void	put(String name, boolean val) Put the value of the named boolean field into the persistent field.
abstract void	put(String name, byte val) Put the value of the named byte field into the persistent field.
abstract void	put(String name, char val) Put the value of the named char field into the persistent field.
abstract void	put(String name, double val) Put the value of the named double field into the persistent field.
abstract void	put(String name, float val) Put the value of the named float field into the persistent field.
abstract void	put(String name, int val) Put the value of the named int field into the persistent field.
abstract void	put(String name, long val) Put the value of the named long field into the persistent field.
abstract void	put(String name, Object val) Put the value of the named Object field into the persistent field.
abstract void	put(String name, short val) Put the value of the named short field into the persistent field.
abstract void	write(ObjectOutput out) Deprecated. This method does not write the values contained by this PutField object in a proper format, and may result in corruption of the serialization stream. The correct way to write PutField data is by calling the ObjectOutputStream.writeFields() method.

Methods inherited from class java.lang.Object

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

Constructor Detail

ObjectOutputStream.PutField

public ObjectOutputStream.PutField()

Method Detail

put

public abstract void put(String name,
                         boolean val)

Put the value of the named boolean field into the persistent field.

Parameters:

name - the name of the serializable field

val - the value to assign to the field

Throws:

IllegalArgumentException - if name does not match the name of a serializable field for the class whose fields are being written, or if the type of the named field is not boolean

put

public abstract void put(String name,
                         byte val)

Put the value of the named byte field into the persistent field.

Parameters:

name - the name of the serializable field

val - the value to assign to the field

Throws:

IllegalArgumentException - if name does not match the name of a serializable field for the class whose fields are being written, or if the type of the named field is not byte

put

public abstract void put(String name,
                         char val)

Put the value of the named char field into the persistent field.

Parameters:

name - the name of the serializable field

val - the value to assign to the field

Throws:

IllegalArgumentException - if name does not match the name of a serializable field for the class whose fields are being written, or if the type of the named field is not char

put

public abstract void put(String name,
                         short val)

Put the value of the named short field into the persistent field.

Parameters:

name - the name of the serializable field

val - the value to assign to the field

Throws:

IllegalArgumentException - if name does not match the name of a serializable field for the class whose fields are being written, or if the type of the named field is not short

put

public abstract void put(String name,
                         int val)

Put the value of the named int field into the persistent field.

Parameters:

name - the name of the serializable field

val - the value to assign to the field

Throws:

IllegalArgumentException - if name does not match the name of a serializable field for the class whose fields are being written, or if the type of the named field is not int

put

public abstract void put(String name,
                         long val)

Put the value of the named long field into the persistent field.

Parameters:

name - the name of the serializable field

val - the value to assign to the field

Throws:

IllegalArgumentException - if name does not match the name of a serializable field for the class whose fields are being written, or if the type of the named field is not long

put

public abstract void put(String name,
                         float val)

Put the value of the named float field into the persistent field.

Parameters:

name - the name of the serializable field

val - the value to assign to the field

Throws:

IllegalArgumentException - if name does not match the name of a serializable field for the class whose fields are being written, or if the type of the named field is not float

put

public abstract void put(String name,
                         double val)

Put the value of the named double field into the persistent field.

Parameters:

name - the name of the serializable field

val - the value to assign to the field

Throws:

IllegalArgumentException - if name does not match the name of a serializable field for the class whose fields are being written, or if the type of the named field is not double

put

public abstract void put(String name,
                         Object val)

Put the value of the named Object field into the persistent field.

Parameters:

name - the name of the serializable field

val - the value to assign to the field (which may be null)

Throws:

IllegalArgumentException - if name does not match the name of a serializable field for the class whose fields are being written, or if the type of the named field is not a reference type

write

@Deprecated
public abstract void write(ObjectOutput out)
                    throws IOException

Deprecated. This method does not write the values contained by this PutField object in a proper format, and may result in corruption of the serialization stream. The correct way to write PutField data is by calling the ObjectOutputStream.writeFields() method.

Write the data and fields to the specified ObjectOutput stream, which must be the same stream that produced this PutField object.

Parameters:

out - the stream to write the data and fields to

Throws:

IOException - if I/O errors occur while writing to the underlying stream

IllegalArgumentException - if the specified stream is not the same stream that produced this PutField object