oracle.forms.jdapi

Class Blob

java.lang.Object

oracle.forms.jdapi.Blob

public class Blob
extends java.lang.Object

Blob utility class. The purpose of this class is to provide additional Blob support for methods such as setPersistentClientInfo, getPersistentClientInfoObject, and getPersistentClientInfoBlob which set and get client information as Blobs.

Constructor Summary

Constructors

Constructor and Description
Blob() No args constructor.
Blob(byte[] byteArray) Constructs a Blob object and initializes it to the specified byte[].
Blob(java.lang.String stringValue) Constructs a Blob object and initializes it with the bytearray got from the specified string.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Blob blob) Compares two Blob objects and determines whether they are equal.
byte[]	getBytes() Converts this Blob into bytes and stores it as a byte array.
void	setBytes(byte[] b) Converts a byte array into a Blob.
int	size() Returns the current size of the buffer.
java.lang.String	toString() Returns the buffer as a string.

Methods inherited from class java.lang.Object

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

Constructor Detail

Blob

public Blob()

No args constructor.

Blob

public Blob(java.lang.String stringValue)
     throws JdapiException

Constructs a Blob object and initializes it with the bytearray got from the specified string. While converting the string to a bytearray the platform's default character encoding is used.

Parameters:

stringValue - string to initialize the Blob.

Throws:

JdapiException

Blob

public Blob(byte[] byteArray)
     throws JdapiException

Constructs a Blob object and initializes it to the specified byte[].

Parameters:

byteArray - to initialize the Blob.

Throws:

JdapiException

Method Detail

getBytes

public byte[] getBytes()

Converts this Blob into bytes and stores it as a byte array.

Returns:

a byte array.

setBytes

public void setBytes(byte[] b)
              throws JdapiException

Converts a byte array into a Blob.

Throws:

JdapiException

size

public int size()

Returns the current size of the buffer.

Returns:

the count of the buffer field, which is the number of valid bytes in this output stream.

toString

public java.lang.String toString()

Returns the buffer as a string.

Overrides:

toString in class java.lang.Object

Returns:

the String version of the contents of the buffer.

equals

public boolean equals(Blob blob)

Compares two Blob objects and determines whether they are equal.

Parameters:

blob - blob to be compared.

Returns:

true if the two objects are equal; false otherwise.