Added in API level 1

ObjectInputStream.GetField

public static abstract class ObjectInputStream.GetField
extends Object

java.lang.Object
   ↳ java.io.ObjectInputStream.GetField


Provide access to the persistent fields read from the input stream.

Summary

Public constructors

GetField()

Public methods

abstract boolean defaulted(String name)

Return true if the named field is defaulted and has no value in this stream.

abstract boolean get(String name, boolean val)

Get the value of the named boolean field from the persistent field.

abstract byte get(String name, byte val)

Get the value of the named byte field from the persistent field.

abstract short get(String name, short val)

Get the value of the named short field from the persistent field.

abstract char get(String name, char val)

Get the value of the named char field from the persistent field.

abstract int get(String name, int val)

Get the value of the named int field from the persistent field.

abstract float get(String name, float val)

Get the value of the named float field from the persistent field.

abstract double get(String name, double val)

Get the value of the named double field from the persistent field.

abstract long get(String name, long val)

Get the value of the named long field from the persistent field.

abstract Object get(String name, Object val)

Get the value of the named Object field from the persistent field.

abstract ObjectStreamClass getObjectStreamClass()

Get the ObjectStreamClass that describes the fields in the stream.

Inherited methods

Public constructors

GetField

Added in API level 1
public GetField ()

Public methods

defaulted

Added in API level 1
public abstract boolean defaulted (String name)

Return true if the named field is defaulted and has no value in this stream.

Parameters
name String: the name of the field

Returns
boolean true, if and only if the named field is defaulted

Throws
IOException if there are I/O errors while reading from the underlying InputStream
IllegalArgumentException if name does not correspond to a serializable field

get

Added in API level 1
public abstract boolean get (String name, 
                boolean val)

Get the value of the named boolean field from the persistent field.

Parameters
name String: the name of the field

val boolean: the default value to use if name does not have a value

Returns
boolean the value of the named boolean field

Throws
IOException if there are I/O errors while reading from the underlying InputStream
IllegalArgumentException if type of name is not serializable or if the field type is incorrect

get

Added in API level 1
public abstract byte get (String name, 
                byte val)

Get the value of the named byte field from the persistent field.

Parameters
name String: the name of the field

val byte: the default value to use if name does not have a value

Returns
byte the value of the named byte field

Throws
IOException if there are I/O errors while reading from the underlying InputStream
IllegalArgumentException if type of name is not serializable or if the field type is incorrect

get

Added in API level 1
public abstract short get (String name, 
                short val)

Get the value of the named short field from the persistent field.

Parameters
name String: the name of the field

val short: the default value to use if name does not have a value

Returns
short the value of the named short field

Throws
IOException if there are I/O errors while reading from the underlying InputStream
IllegalArgumentException if type of name is not serializable or if the field type is incorrect

get

Added in API level 1
public abstract char get (String name, 
                char val)

Get the value of the named char field from the persistent field.

Parameters
name String: the name of the field

val char: the default value to use if name does not have a value

Returns
char the value of the named char field

Throws
IOException if there are I/O errors while reading from the underlying InputStream
IllegalArgumentException if type of name is not serializable or if the field type is incorrect

get

Added in API level 1
public abstract int get (String name, 
                int val)

Get the value of the named int field from the persistent field.

Parameters
name String: the name of the field

val int: the default value to use if name does not have a value

Returns
int the value of the named int field

Throws
IOException if there are I/O errors while reading from the underlying InputStream
IllegalArgumentException if type of name is not serializable or if the field type is incorrect

get

Added in API level 1
public abstract float get (String name, 
                float val)

Get the value of the named float field from the persistent field.

Parameters
name String: the name of the field

val float: the default value to use if name does not have a value

Returns
float the value of the named float field

Throws
IOException if there are I/O errors while reading from the underlying InputStream
IllegalArgumentException if type of name is not serializable or if the field type is incorrect

get

Added in API level 1
public abstract double get (String name, 
                double val)

Get the value of the named double field from the persistent field.

Parameters
name String: the name of the field

val double: the default value to use if name does not have a value

Returns
double the value of the named double field

Throws
IOException if there are I/O errors while reading from the underlying InputStream
IllegalArgumentException if type of name is not serializable or if the field type is incorrect

get

Added in API level 1
public abstract long get (String name, 
                long val)

Get the value of the named long field from the persistent field.

Parameters
name String: the name of the field

val long: the default value to use if name does not have a value

Returns
long the value of the named long field

Throws
IOException if there are I/O errors while reading from the underlying InputStream
IllegalArgumentException if type of name is not serializable or if the field type is incorrect

get

Added in API level 1
public abstract Object get (String name, 
                Object val)

Get the value of the named Object field from the persistent field.

Parameters
name String: the name of the field

val Object: the default value to use if name does not have a value

Returns
Object the value of the named Object field

Throws
IOException if there are I/O errors while reading from the underlying InputStream
IllegalArgumentException if type of name is not serializable or if the field type is incorrect

getObjectStreamClass

Added in API level 1
public abstract ObjectStreamClass getObjectStreamClass ()

Get the ObjectStreamClass that describes the fields in the stream.

Returns
ObjectStreamClass the descriptor class that describes the serializable fields