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org.jfree.io

Class SerialUtilities

public class SerialUtilities
extends java.lang.Object
A class containing useful utility methods relating to serialization.
Author:
David Gilbert

Method Summary

static boolean
isSerializable(Class c)
Returns true if a class implements Serializable and false otherwise.
static AttributedString
readAttributedString(ObjectInputStream stream)
Reads a AttributedString object that has been serialised by the writeAttributedString(AttributedString,ObjectOutputStream) method.
static Paint
readPaint(ObjectInputStream stream)
Reads a Paint object that has been serialised by the writePaint(Paint,ObjectOutputStream) method.
static Point2D
readPoint2D(ObjectInputStream stream)
Reads a Point2D object that has been serialised by the writePoint2D(Point2D,ObjectOutputStream) method.
static Shape
readShape(ObjectInputStream stream)
Reads a Shape object that has been serialised by the writeShape(Shape,ObjectOutputStream) method.
static Stroke
readStroke(ObjectInputStream stream)
Reads a Stroke object that has been serialised by the writeStroke(Stroke,ObjectOutputStream) method.
static void
writeAttributedString(AttributedString as, ObjectOutputStream stream)
Serialises an AttributedString object.
static void
writePaint(Paint paint, ObjectOutputStream stream)
Serialises a Paint object.
static void
writePoint2D(Point2D p, ObjectOutputStream stream)
Serialises a Point2D object.
static void
writeShape(Shape shape, ObjectOutputStream stream)
Serialises a Shape object.
static void
writeStroke(Stroke stroke, ObjectOutputStream stream)
Serialises a Stroke object.

Method Details

isSerializable

public static boolean isSerializable(Class c)
Returns true if a class implements Serializable and false otherwise.
Parameters:
c - the class.
Returns:
A boolean.

readAttributedString

public static AttributedString readAttributedString(ObjectInputStream stream)
            throws IOException,
                   ClassNotFoundException
Reads a AttributedString object that has been serialised by the writeAttributedString(AttributedString,ObjectOutputStream) method.
Parameters:
stream - the input stream (null not permitted).
Returns:
The attributed string object (possibly null).

readPaint

public static Paint readPaint(ObjectInputStream stream)
            throws IOException,
                   ClassNotFoundException
Reads a Paint object that has been serialised by the writePaint(Paint,ObjectOutputStream) method.
Parameters:
stream - the input stream (null not permitted).
Returns:
The paint object (possibly null).

readPoint2D

public static Point2D readPoint2D(ObjectInputStream stream)
            throws IOException
Reads a Point2D object that has been serialised by the writePoint2D(Point2D,ObjectOutputStream) method.
Parameters:
stream - the input stream (null not permitted).
Returns:
The point object (possibly null).

readShape

public static Shape readShape(ObjectInputStream stream)
            throws IOException,
                   ClassNotFoundException
Reads a Shape object that has been serialised by the writeShape(Shape,ObjectOutputStream) method.
Parameters:
stream - the input stream (null not permitted).
Returns:
The shape object (possibly null).

readStroke

public static Stroke readStroke(ObjectInputStream stream)
            throws IOException,
                   ClassNotFoundException
Reads a Stroke object that has been serialised by the writeStroke(Stroke,ObjectOutputStream) method.
Parameters:
stream - the input stream (null not permitted).
Returns:
The stroke object (possibly null).

writeAttributedString

public static void writeAttributedString(AttributedString as,
                                         ObjectOutputStream stream)
            throws IOException
Serialises an AttributedString object.
Parameters:
as - the attributed string object (null permitted).
stream - the output stream (null not permitted).

writePaint

public static void writePaint(Paint paint,
                              ObjectOutputStream stream)
            throws IOException
Serialises a Paint object.
Parameters:
paint - the paint object (null permitted).
stream - the output stream (null not permitted).

writePoint2D

public static void writePoint2D(Point2D p,
                                ObjectOutputStream stream)
            throws IOException
Serialises a Point2D object.
Parameters:
p - the point object (null permitted).
stream - the output stream (null not permitted).

writeShape

public static void writeShape(Shape shape,
                              ObjectOutputStream stream)
            throws IOException
Serialises a Shape object.
Parameters:
shape - the shape object (null permitted).
stream - the output stream (null not permitted).

writeStroke

public static void writeStroke(Stroke stroke,
                               ObjectOutputStream stream)
            throws 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:
stroke - the stroke object (null permitted).
stream - the output stream (null not permitted).

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