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(short val) Serializes a 16-bit Java integer value.
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(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.

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.

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 -