- java.lang.Object
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- java.io.ObjectOutputStream.PutField
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- 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
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Constructor Summary
Constructors Constructor and Description ObjectOutputStream.PutField()
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Method Summary
Methods 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 thisPutField
object in a proper format, and may result in corruption of the serialization stream. The correct way to writePutField
data is by calling theObjectOutputStream.writeFields()
method.
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Method Detail
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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 fieldval
- the value to assign to the field- Throws:
IllegalArgumentException
- ifname
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 notboolean
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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 fieldval
- the value to assign to the field- Throws:
IllegalArgumentException
- ifname
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 notbyte
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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 fieldval
- the value to assign to the field- Throws:
IllegalArgumentException
- ifname
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 notchar
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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 fieldval
- the value to assign to the field- Throws:
IllegalArgumentException
- ifname
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 notshort
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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 fieldval
- the value to assign to the field- Throws:
IllegalArgumentException
- ifname
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 notint
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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 fieldval
- the value to assign to the field- Throws:
IllegalArgumentException
- ifname
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 notlong
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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 fieldval
- the value to assign to the field- Throws:
IllegalArgumentException
- ifname
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 notfloat
-
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 fieldval
- the value to assign to the field- Throws:
IllegalArgumentException
- ifname
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 notdouble
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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 fieldval
- the value to assign to the field (which may benull
)- Throws:
IllegalArgumentException
- ifname
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
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write
@Deprecated public abstract void write(ObjectOutput out) throws IOException
Deprecated. This method does not write the values contained by thisPutField
object in a proper format, and may result in corruption of the serialization stream. The correct way to writePutField
data is by calling theObjectOutputStream.writeFields()
method.Write the data and fields to the specified ObjectOutput stream, which must be the same stream that produced thisPutField
object.- Parameters:
out
- the stream to write the data and fields to- Throws:
IOException
- if I/O errors occur while writing to the underlying streamIllegalArgumentException
- if the specified stream is not the same stream that produced thisPutField
object
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