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Viewing changes to src/interfaces/jdbc/org/postgresql/geometric/PGlseg.java

  • Committer: Bazaar Package Importer
  • Author(s): Stefan Gybas
  • Date: 2002-02-06 23:43:06 UTC
  • Revision ID: james.westby@ubuntu.com-20020206234306-hsg7suqr8q56qg40
Tags: upstream-7.2
Import upstream version 7.2

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src/interfaces/jdbc/org/postgresql/geometric/PGlseg.java
 
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package org.postgresql.geometric;
 
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import java.io.*;
 
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import java.sql.*;
 
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import org.postgresql.util.*;
 
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/*
 
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 * This implements a lseg (line segment) consisting of two points
 
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 */
 
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public class PGlseg extends PGobject implements Serializable, Cloneable
 
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{
 
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        /*
 
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         * These are the two points.
 
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         */
 
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        public PGpoint point[] = new PGpoint[2];
 
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        /*
 
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         * @param x1 coordinate for first point
 
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         * @param y1 coordinate for first point
 
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         * @param x2 coordinate for second point
 
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         * @param y2 coordinate for second point
 
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         */
 
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        public PGlseg(double x1, double y1, double x2, double y2)
 
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        {
 
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                this(new PGpoint(x1, y1), new PGpoint(x2, y2));
 
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        }
 
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        /*
 
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         * @param p1 first point
 
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         * @param p2 second point
 
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         */
 
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        public PGlseg(PGpoint p1, PGpoint p2)
 
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        {
 
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                this();
 
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                this.point[0] = p1;
 
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                this.point[1] = p2;
 
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        }
 
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        /*
 
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         * @param s definition of the circle in PostgreSQL's syntax.
 
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         * @exception SQLException on conversion failure
 
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         */
 
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        public PGlseg(String s) throws SQLException
 
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        {
 
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                this();
 
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                setValue(s);
 
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        }
 
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        /*
 
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         * reuired by the driver
 
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         */
 
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        public PGlseg()
 
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        {
 
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                setType("lseg");
 
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        }
 
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        /*
 
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         * @param s Definition of the line segment in PostgreSQL's syntax
 
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         * @exception SQLException on conversion failure
 
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         */
 
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        public void setValue(String s) throws SQLException
 
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        {
 
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                PGtokenizer t = new PGtokenizer(PGtokenizer.removeBox(s), ',');
 
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                if (t.getSize() != 2)
 
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                        throw new PSQLException("postgresql.geo.lseg");
 
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                point[0] = new PGpoint(t.getToken(0));
 
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                point[1] = new PGpoint(t.getToken(1));
 
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        }
 
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        /*
 
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         * @param obj Object to compare with
 
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         * @return true if the two boxes are identical
 
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         */
 
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        public boolean equals(Object obj)
 
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        {
 
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                if (obj instanceof PGlseg)
 
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                {
 
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                        PGlseg p = (PGlseg)obj;
 
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                        return (p.point[0].equals(point[0]) && p.point[1].equals(point[1])) ||
 
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                                   (p.point[0].equals(point[1]) && p.point[1].equals(point[0]));
 
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                }
 
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                return false;
 
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        }
 
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        /*
 
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         * This must be overidden to allow the object to be cloned
 
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         */
 
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        public Object clone()
 
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        {
 
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                return new PGlseg((PGpoint)point[0].clone(), (PGpoint)point[1].clone());
 
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        }
 
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        /*
 
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         * @return the PGlseg in the syntax expected by org.postgresql
 
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         */
 
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        public String getValue()
 
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        {
 
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                return "[" + point[0] + "," + point[1] + "]";
 
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        }
 
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}