com.ijchart.xychart.util
Class SerialUtil

java.lang.Object
  com.ijchart.xychart.util.SerialUtil

public abstract class SerialUtil
extends java.lang.Object

Title: IJChart

Description: a chart library for the Java(tm) platform.

A class containing useful utility methods relating to serialization

Copyright: Copyright (c) 2013

Company:

Version:

1.0

Author:

zhang feng min,shanghai china. Contract me by email.

Constructor Summary

SerialUtil()

Method Summary

static boolean	isSerializable(java.lang.Class c) Returns true if a class implements Serializable and false otherwise
static java.text.AttributedString	readAttributedString(java.io.ObjectInputStream stream) Reads a AttributedString object that has been serialised by the writeAttributedString(AttributedString,ObjectOutputStream) method
static java.util.Hashtable	readHashtablePaint(java.io.ObjectInputStream stream) Reads a hashtable of (Object, Paint) elements from a stream
static java.util.Hashtable	readHashtableStroke(java.io.ObjectInputStream stream) Reads a hashtable of (Object, Stroke) elements from a stream
static java.awt.Image	readImage(java.io.ObjectInputStream stream) Reads a Image object that has been serialised by the writeImage(ObjectOutputStream,Image) method
static java.awt.Paint	readPaint(java.io.ObjectInputStream stream) Reads a Paint object that has been serialised by the writePaint(ObjectOutputStream,Paint) method
static java.util.Map	readPaintMap(java.io.ObjectInputStream in) Reads a Map of (Object, Paint) elements from a stream.
static java.awt.geom.Point2D	readPoint2D(java.io.ObjectInputStream stream) Reads a Point2D object that has been serialised by the writePoint2D(ObjectOutputStream,Point2D) method
static java.awt.Shape	readShape(java.io.ObjectInputStream stream) Reads a Shape object that has been serialised by the writeShape(ObjectOutputStream,Shape) method
static java.awt.Stroke	readStroke(java.io.ObjectInputStream stream) Reads a Stroke object that has been serialised by the writeStroke(ObjectOutputStream,Stroke) method
static void	writeAttributedString(java.text.AttributedString as, java.io.ObjectOutputStream stream) Serialises an AttributedString object
static void	writeHashtablePaint(java.io.ObjectOutputStream stream, java.util.Hashtable paints) Write paint objects of a hashtable.
static void	writeHashtableStroke(java.io.ObjectOutputStream stream, java.util.Hashtable strokes) Write stroke objects of a hashtable.
static void	writeImage(java.io.ObjectOutputStream stream, java.awt.Image image) Serialises a Image object.
static void	writePaint(java.io.ObjectOutputStream stream, java.awt.Paint paint) Serialises a Paint object.
static void	writePaintMap(java.io.ObjectOutputStream out, java.util.Map map) Writes a map of (Comparable, Paint) elements to a stream.
static void	writePoint2D(java.io.ObjectOutputStream stream, java.awt.geom.Point2D point) Serialises a Point2D object
static void	writeShape(java.io.ObjectOutputStream stream, java.awt.Shape shape) Serialises a Shape object
static void	writeStroke(java.io.ObjectOutputStream stream, java.awt.Stroke stroke) Serialises a Stroke object.This code handles the BasicStroke class which is the only Stroke implementation provided by the JDK (and isn't directly Serializable).

Methods inherited from class java.lang.Object

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

Constructor Detail

SerialUtil

public SerialUtil()

Method Detail

isSerializable

public static boolean isSerializable(java.lang.Class c)

Returns true if a class implements Serializable and false otherwise

Parameters:

c - the class.

Returns:

A boolean.

readPaint

public static java.awt.Paint readPaint(java.io.ObjectInputStream stream)
                                throws java.io.IOException,
                                       java.lang.ClassNotFoundException

Reads a Paint object that has been serialised by the writePaint(ObjectOutputStream,Paint) method

Parameters:

stream - ObjectOutputStream the input stream (null not permitted).

Returns:

The paint object (possibly null).

Throws:

java.io.IOException - if there is an I/O problem.

java.lang.ClassNotFoundException - if there is a problem loading a class.

writePaint

public static void writePaint(java.io.ObjectOutputStream stream,
                              java.awt.Paint paint)
                       throws java.io.IOException

Serialises a Paint object.

Parameters:

stream - ObjectOutputStream the output stream (null not permitted).

paint - the paint object (null permitted).

Throws:

java.io.IOException - if there is an I/O error.

readStroke

public static java.awt.Stroke readStroke(java.io.ObjectInputStream stream)
                                  throws java.io.IOException,
                                         java.lang.ClassNotFoundException

Reads a Stroke object that has been serialised by the writeStroke(ObjectOutputStream,Stroke) method

Parameters:

stream - ObjectOutputStream the input stream (null not permitted).

Returns:

Stroke The stroke object (possibly null).

Throws:

java.io.IOException - if there is an I/O problem.

java.lang.ClassNotFoundException - if there is a problem loading a class.

writeStroke

public static void writeStroke(java.io.ObjectOutputStream stream,
                               java.awt.Stroke stroke)
                        throws java.io.IOException

Serialises a Stroke object.This code handles the BasicStroke class which is the only Stroke implementation provided by the JDK (and isn't directly Serializable).

Parameters:

stream - ObjectOutputStream the output stream (null not permitted).

stroke - the stroke object (null permitted).

Throws:

java.io.IOException - if there is an I/O error.

readShape

public static java.awt.Shape readShape(java.io.ObjectInputStream stream)
                                throws java.io.IOException,
                                       java.lang.ClassNotFoundException

Reads a Shape object that has been serialised by the writeShape(ObjectOutputStream,Shape) method

Parameters:

stream - ObjectOutputStream the input stream (null not permitted).

Returns:

The shape object (possibly null).

Throws:

java.io.IOException - if there is an I/O problem.

java.lang.ClassNotFoundException - if there is a problem loading a class

writeShape

public static void writeShape(java.io.ObjectOutputStream stream,
                              java.awt.Shape shape)
                       throws java.io.IOException

Serialises a Shape object

Parameters:

stream - ObjectOutputStream the output stream (null not permitted).

shape - the shape object (null permitted).

Throws:

java.io.IOException - if there is an I/O error.

readPoint2D

public static java.awt.geom.Point2D readPoint2D(java.io.ObjectInputStream stream)
                                         throws java.io.IOException

Reads a Point2D object that has been serialised by the writePoint2D(ObjectOutputStream,Point2D) method

Parameters:

stream - ObjectOutputStream the input stream (null not permitted).

Returns:

The point object (possibly null).

Throws:

java.io.IOException - if there is an I/O problem.

writePoint2D

public static void writePoint2D(java.io.ObjectOutputStream stream,
                                java.awt.geom.Point2D point)
                         throws java.io.IOException

Serialises a Point2D object

Parameters:

stream - ObjectOutputStream output stream (null not permitted).

point - the point object (null permitted).

Throws:

java.io.IOException - if there is an I/O error.

readAttributedString

public static java.text.AttributedString readAttributedString(java.io.ObjectInputStream stream)
                                                       throws java.io.IOException,
                                                              java.lang.ClassNotFoundException

Reads a AttributedString object that has been serialised by the writeAttributedString(AttributedString,ObjectOutputStream) method

Parameters:

stream - ObjectOutputStream the input stream (null not permitted).

Returns:

The attributed string object (possibly null).

Throws:

java.io.IOException - if there is an I/O problem

java.lang.ClassNotFoundException - if there is a problem loading a class

writeAttributedString

public static void writeAttributedString(java.text.AttributedString as,
                                         java.io.ObjectOutputStream stream)
                                  throws java.io.IOException

Serialises an AttributedString object

Parameters:

as - the attributed string object (null permitted).

stream - ObjectOutputStream the output stream (null not permitted).

Throws:

java.io.IOException - if there is an I/O error.

readPaintMap

public static java.util.Map readPaintMap(java.io.ObjectInputStream in)
                                  throws java.io.IOException,
                                         java.lang.ClassNotFoundException

Reads a Map of (Object, Paint) elements from a stream.

Parameters:

in - The input stream.

Returns:

The map.

Throws:

java.io.IOException

java.lang.ClassNotFoundException

writePaintMap

public static void writePaintMap(java.io.ObjectOutputStream out,
                                 java.util.Map map)
                          throws java.io.IOException

Writes a map of (Comparable, Paint) elements to a stream.

Parameters:

out - The output stream.

map - The map (null permitted).

Throws:

java.io.IOException

writeHashtablePaint

public static void writeHashtablePaint(java.io.ObjectOutputStream stream,
                                       java.util.Hashtable paints)
                                throws java.io.IOException

Write paint objects of a hashtable.

Parameters:

stream - ObjectOutputStream

paints - Hashtable The hashtable (null permitted).

Throws:

java.io.IOException

readHashtablePaint

public static java.util.Hashtable readHashtablePaint(java.io.ObjectInputStream stream)
                                              throws java.io.IOException,
                                                     java.lang.ClassNotFoundException

Reads a hashtable of (Object, Paint) elements from a stream

Parameters:

stream - ObjectInputStream

Returns:

Hashtable

Throws:

java.io.IOException

java.lang.ClassNotFoundException

writeHashtableStroke

public static void writeHashtableStroke(java.io.ObjectOutputStream stream,
                                        java.util.Hashtable strokes)
                                 throws java.io.IOException

Write stroke objects of a hashtable.

Parameters:

stream - ObjectOutputStream

strokes - Hashtable

Throws:

java.io.IOException

readHashtableStroke

public static java.util.Hashtable readHashtableStroke(java.io.ObjectInputStream stream)
                                               throws java.io.IOException,
                                                      java.lang.ClassNotFoundException

Reads a hashtable of (Object, Stroke) elements from a stream

Parameters:

stream - ObjectInputStream

Returns:

Hashtable

Throws:

java.io.IOException

java.lang.ClassNotFoundException

writeImage

public static void writeImage(java.io.ObjectOutputStream stream,
                              java.awt.Image image)
                       throws java.io.IOException

Serialises a Image object.

Parameters:

stream - ObjectOutputStream the output stream (null not permitted).

image - Image the image object (null permitted).

Throws:

java.io.IOException - if there is an I/O error.

readImage

public static java.awt.Image readImage(java.io.ObjectInputStream stream)
                                throws java.io.IOException,
                                       java.lang.ClassNotFoundException

Reads a Image object that has been serialised by the writeImage(ObjectOutputStream,Image) method

Parameters:

stream - ObjectOutputStream the input stream (null not permitted).

Returns:

The image object (possibly null).

Throws:

java.io.IOException - if there is an I/O problem.

java.lang.ClassNotFoundException - if there is a problem loading a class.