oracle.jbo.common
Class TypeMarshaller

java.lang.Object
  oracle.jbo.common.TypeMarshaller

public class TypeMarshaller
extends java.lang.Object

Provides methods for passing primitive Java values between the client and middle tier as byte streams.

Since:

Jdeveloper 3.0

Constructor Summary

TypeMarshaller()

Method Summary

static byte[]	createStream(boolean val) Serializes a Java boolean value.
static byte[]	createStream(byte val) Serializes an 8-bit Java integer value.
static byte[]	createStream(char val) Serializes a Java character.
static byte[]	createStream(java.lang.Class cls, java.lang.Object obj) Serializes a Java object of a specified class.
static byte[]	createStream(double val) Serializes a 64-bit Java floating-point value.
static byte[]	createStream(float val) Serializes a 32-bit Java floating-point value.
static byte[]	createStream(int val) Serializes a 32-bit Java integer value.
static byte[]	createStream(long val) Serializes a 64-bit Java integer value.
static byte[]	createStream(java.lang.Object obj)
static byte[]	createStream(short val) Serializes a 16-bit Java integer value.
static java.lang.Object	marshalUnserial(java.lang.Object obj)
static boolean	readBoolean(byte[] byteStream) Reads a boolean value from a byte stream.
static byte	readByte(byte[] byteStream) Reads an 8-bit Java integer from a byte stream.
static char	readChar(byte[] byteStream) Reads a Java character from a byte stream.
static double	readDouble(byte[] byteStream) Reads a 64-bit Java floating-point number from a byte stream.
static float	readFloat(byte[] byteStream) Reads a 32-bit Java floating-point number from a byte stream.
static int	readInt(byte[] byteStream) Reads a 32-bit Java integer from a byte stream.
static long	readLong(byte[] byteStream) Reads a 64-bit Java integer from a byte stream.
static java.lang.Object	readObject(byte[] stream)
static java.lang.Object	readObject(java.lang.Class cls, byte[] stream) Reads a Java object of a specified class from a byte stream.
static short	readShort(byte[] byteStream) Reads a 16-bit Java integer from a byte stream.
static java.lang.String	readString(byte[] byteStream) Reads a Java string from a byte stream.
static ResponseValues	serializeObject(java.io.Serializable obj)
static java.lang.Object	unMarshalUnserial(java.lang.Object obj)

Methods inherited from class java.lang.Object

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

Constructor Detail

TypeMarshaller

public TypeMarshaller()

Method Detail

createStream

public static final byte[] createStream(java.lang.Class cls,
                                        java.lang.Object obj)
                                 throws DataCreationException

Serializes a Java object of a specified class.

Parameters:

cls - a Java primitive type.

obj - n instance of cls.

Returns:

a byte stream.

Throws:

DataCreationException - if obj cannot be serialized.

createStream

public static final byte[] createStream(java.lang.Object obj)

readObject

public static final java.lang.Object readObject(byte[] stream)

readObject

public static final java.lang.Object readObject(java.lang.Class cls,
                                                byte[] stream)
                                         throws DataCreationException

Reads a Java object of a specified class from a byte stream.

Parameters:

cls - a Java primitive type.

stream - serialized data.

Returns:

an instance of cls.

Throws:

DataCreationException - if the stream does not contain an object of the expected class.

createStream

public static final byte[] createStream(int val)
                                 throws DataCreationException

Serializes a 32-bit Java integer value.

Parameters:

val - a 32-bit Java integer value.

Returns:

a byte stream.

Throws:

DataCreationException

createStream

public static final byte[] createStream(short val)
                                 throws DataCreationException

Serializes a 16-bit Java integer value.

Parameters:

val - a 16-bit Java integer value.

Returns:

a byte stream.

Throws:

DataCreationException

createStream

public static final byte[] createStream(long val)
                                 throws DataCreationException

Serializes a 64-bit Java integer value.

Parameters:

val - a 64-bit Java integer value.

Returns:

a byte stream.

Throws:

DataCreationException

createStream

public static final byte[] createStream(float val)
                                 throws DataCreationException

Serializes a 32-bit Java floating-point value.

Parameters:

val - a 32-bit Java floating-point value.

Returns:

a byte stream.

Throws:

DataCreationException

createStream

public static final byte[] createStream(double val)
                                 throws DataCreationException

Serializes a 64-bit Java floating-point value.

Parameters:

val - a 64-bit Java floating-point value.

Returns:

a byte stream.

Throws:

DataCreationException

createStream

public static final byte[] createStream(byte val)
                                 throws DataCreationException

Serializes an 8-bit Java integer value.

Parameters:

val - an 8-bit Java integer value.

Returns:

a byte stream.

Throws:

DataCreationException

createStream

public static final byte[] createStream(boolean val)
                                 throws DataCreationException

Serializes a Java boolean value.

Parameters:

val - a Java boolean value.

Returns:

a byte stream.

Throws:

DataCreationException

createStream

public static final byte[] createStream(char val)
                                 throws DataCreationException

Serializes a Java character.

Parameters:

val - a Java character.

Returns:

a byte stream.

Throws:

DataCreationException

readString

public static final java.lang.String readString(byte[] byteStream)
                                         throws DataCreationException

Reads a Java string from a byte stream.

Parameters:

byteStream - serialized data.

Returns:

a Java string.

Throws:

DataCreationException

readInt

public static final int readInt(byte[] byteStream)
                         throws DataCreationException

Reads a 32-bit Java integer from a byte stream.

Parameters:

byteStream - serialized data.

Returns:

a 32-bit Java integer.

Throws:

DataCreationException

readShort

public static final short readShort(byte[] byteStream)
                             throws DataCreationException

Reads a 16-bit Java integer from a byte stream.

Parameters:

byteStream - serialized data.

Returns:

a 16-bit Java integer.

Throws:

DataCreationException

readLong

public static final long readLong(byte[] byteStream)
                           throws DataCreationException

Reads a 64-bit Java integer from a byte stream.

Parameters:

byteStream - serialized data.

Returns:

a 64-bit Java integer.

Throws:

DataCreationException

readFloat

public static final float readFloat(byte[] byteStream)
                             throws DataCreationException

Reads a 32-bit Java floating-point number from a byte stream.

Parameters:

byteStream - serialized data.

Returns:

a 32-bit Java floating-point number.

Throws:

DataCreationException

readDouble

public static final double readDouble(byte[] byteStream)
                               throws DataCreationException

Reads a 64-bit Java floating-point number from a byte stream.

Parameters:

byteStream - serialized data.

Returns:

a 64-bit Java floating-point number.

Throws:

DataCreationException

readByte

public static final byte readByte(byte[] byteStream)
                           throws DataCreationException

Reads an 8-bit Java integer from a byte stream.

Parameters:

byteStream - serialized data.

Returns:

an 8-bit Java integer.

Throws:

DataCreationException

readBoolean

public static final boolean readBoolean(byte[] byteStream)
                                 throws DataCreationException

Reads a boolean value from a byte stream.

Parameters:

byteStream - serialized data.

Returns:

a boolean value.

Throws:

DataCreationException

readChar

public static final char readChar(byte[] byteStream)
                           throws DataCreationException

Reads a Java character from a byte stream.

Parameters:

byteStream - serialized data.

Returns:

a Java character.

Throws:

DataCreationException

serializeObject

public static ResponseValues serializeObject(java.io.Serializable obj)

marshalUnserial

public static final java.lang.Object marshalUnserial(java.lang.Object obj)

unMarshalUnserial

public static final java.lang.Object unMarshalUnserial(java.lang.Object obj)