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Viewing changes to src/interfaces/jdbc/org/postgresql/geometric/PGpolygon.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/PGpolygon.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 the polygon datatype within PostgreSQL.
 
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 */
 
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public class PGpolygon extends PGobject implements Serializable, Cloneable
 
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{
 
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        /*
 
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         * The points defining the polygon
 
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         */
 
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        public PGpoint points[];
 
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        /*
 
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         * Creates a polygon using an array of PGpoints
 
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         *
 
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         * @param points the points defining the polygon
 
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         */
 
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        public PGpolygon(PGpoint[] points)
 
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        {
 
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                this();
 
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                this.points = points;
 
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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 PGpolygon(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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         * Required by the driver
 
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         */
 
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        public PGpolygon()
 
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        {
 
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                setType("polygon");
 
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        }
 
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        /*
 
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         * @param s Definition of the polygon 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.removePara(s), ',');
 
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                int npoints = t.getSize();
 
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                points = new PGpoint[npoints];
 
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                for (int p = 0;p < npoints;p++)
 
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                        points[p] = new PGpoint(t.getToken(p));
 
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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 PGpolygon)
 
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                {
 
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                        PGpolygon p = (PGpolygon)obj;
 
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                        if (p.points.length != points.length)
 
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                                return false;
 
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                        for (int i = 0;i < points.length;i++)
 
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                                if (!points[i].equals(p.points[i]))
 
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                                        return false;
 
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                        return true;
 
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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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                PGpoint ary[] = new PGpoint[points.length];
 
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                for (int i = 0;i < points.length;i++)
 
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                        ary[i] = (PGpoint)points[i].clone();
 
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                return new PGpolygon(ary);
 
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        }
 
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        /*
 
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         * @return the PGpolygon 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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                StringBuffer b = new StringBuffer();
 
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                b.append("(");
 
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                for (int p = 0;p < points.length;p++)
 
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                {
 
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                        if (p > 0)
 
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                                b.append(",");
 
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                        b.append(points[p].toString());
 
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                }
 
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                b.append(")");
 
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                return b.toString();
 
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        }
 
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}