Package oracle.forms.jdapi

Class Blob

java.lang.Object
oracle.forms.jdapi.Blob
public class Blob extends 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
    Description
    Blob()
    No args constructor.
    Blob(byte[] byteArray)
    Constructs a Blob object and initializes it to the specified byte[].
    Blob(String stringValue)
    Constructs a Blob object and initializes it with the bytearray obtained from the specified string.

  • Method Summary

    Modifier and Type
    Method
    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.
    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 Details

    • Blob

      public Blob()
      No args constructor.

    • Blob

      public Blob(String stringValue) throws JdapiException
      Constructs a Blob object and initializes it with the bytearray obtained 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 Details

    • 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 String toString()
      Returns the buffer as a string.
      Overrides:
      toString in class 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.