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/**
*
* This implements a version of java.awt.Point, except it uses double
* to represent the coordinates.
*
* It maps to the point datatype in postgresql.
*/
package postgresql;
import java.awt.Point;
import java.io.*;
import java.sql.*;
public class PGpoint implements Serializable
{
/**
* These are the coordinates.
* These are public, because their equivalents in java.awt.Point are
*/
public double x,y;
public PGpoint(double x,double y)
{
this.x = x;
this.y = y;
}
public PGpoint(PGpoint p)
{
this(p.x,p.y);
}
/**
* This constructor is used by the driver.
*/
public PGpoint(String s) throws SQLException
{
PGtokenizer t = new PGtokenizer(PGtokenizer.removePara(s),',');
try {
x = Double.valueOf(t.getToken(0)).doubleValue();
y = Double.valueOf(t.getToken(1)).doubleValue();
} catch(NumberFormatException e) {
throw new SQLException("conversion of point failed - "+e.toString());
}
}
public boolean equals(Object obj)
{
PGpoint p = (PGpoint)obj;
return x == p.x && y == p.y;
}
/**
* This returns the point in the syntax expected by postgresql
*/
public String toString()
{
return "("+x+","+y+")";
}
public void translate(int x,int y)
{
translate((double)x,(double)y);
}
public void translate(double x,double y)
{
this.x += x;
this.y += y;
}
public void move(int x,int y)
{
setLocation(x,y);
}
public void move(double x,double y)
{
this.x = x;
this.y = y;
}
// refer to java.awt.Point for description of this
public void setLocation(int x,int y)
{
move((double)x,(double)y);
}
// refer to java.awt.Point for description of this
public void setLocation(Point p)
{
setLocation(p.x,p.y);
}
}
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