1 files changed, 103 insertions, 0 deletions
diff --git a/src/interfaces/jdbc/postgresql/geometric/PGline.java b/src/interfaces/jdbc/postgresql/geometric/PGline.java
new file mode 100644
index 00000000000..a419ffb5a18
--- /dev/null
+++ b/src/interfaces/jdbc/postgresql/geometric/PGline.java
@@ -0,0 +1,103 @@
+package postgresql.geometric;
+
+import java.io.*;
+import java.sql.*;
+import postgresql.util.*;
+
+/**
+ * This implements a line consisting of two points.
+ *
+ * Currently line is not yet implemented in the backend, but this class
+ * ensures that when it's done were ready for it.
+ */
+public class PGline extends PGobject implements Serializable,Cloneable
+{
+  /**
+   * These are the two points.
+   */
+  public PGpoint point[] = new PGpoint[2];
+  
+  /**
+   * @param x1 coordinate for first point
+   * @param y1 coordinate for first point
+   * @param x2 coordinate for second point
+   * @param y2 coordinate for second point
+   */
+  public PGline(double x1,double y1,double x2,double y2)
+  {
+    this(new PGpoint(x1,y1),new PGpoint(x2,y2));
+  }
+  
+  /**
+   * @param p1 first point
+   * @param p2 second point
+   */
+  public PGline(PGpoint p1,PGpoint p2)
+  {
+    this();
+    this.point[0] = p1;
+    this.point[1] = p2;
+  }
+  
+  /**
+   * @param s definition of the circle in PostgreSQL's syntax.
+   * @exception SQLException on conversion failure
+   */
+  public PGline(String s) throws SQLException
+  {
+    this();
+    setValue(s);
+  }
+  
+  /**
+   * reuired by the driver
+   */
+  public PGline()
+  {
+    setType("line");
+  }
+  
+  /**
+   * @param s Definition of the line segment in PostgreSQL's syntax
+   * @exception SQLException on conversion failure
+   */
+  public void setValue(String s) throws SQLException
+  {
+    PGtokenizer t = new PGtokenizer(PGtokenizer.removeBox(s),',');
+    if(t.getSize() != 2)
+      throw new SQLException("conversion of line failed - "+s);
+    
+    point[0] = new PGpoint(t.getToken(0));
+    point[1] = new PGpoint(t.getToken(1));
+  }
+  
+  /**
+   * @param obj Object to compare with
+   * @return true if the two boxes are identical
+   */
+  public boolean equals(Object obj)
+  {
+    if(obj instanceof PGline) {
+      PGline p = (PGline)obj;
+      return (p.point[0].equals(point[0]) && p.point[1].equals(point[1])) ||
+	(p.point[0].equals(point[1]) && p.point[1].equals(point[0]));
+    }
+    return false;
+  }
+  
+  /**
+   * This must be overidden to allow the object to be cloned
+   */
+  public Object clone()
+  {
+    return new PGline((PGpoint)point[0].clone(),(PGpoint)point[1].clone());
+  }
+  
+  /**
+   * @return the PGline in the syntax expected by postgresql
+   */
+  public String getValue()
+  {
+    return "["+point[0]+","+point[1]+"]";
+  }
+}