1 files changed, 99 insertions, 0 deletions
diff --git a/src/interfaces/jdbc/postgresql/PGpath.java b/src/interfaces/jdbc/postgresql/PGpath.java
new file mode 100644
index 0000000000..d87bbedbaa
--- /dev/null
+++ b/src/interfaces/jdbc/postgresql/PGpath.java
@@ -0,0 +1,99 @@
+/**
+ *
+ * This implements a path (a multiple segmented line, which may be closed)
+ *
+ */
+
+package postgresql;
+
+import java.io.*;
+import java.sql.*;
+
+public class PGpath implements Serializable
+{
+  public int npoints;
+  public boolean open;
+  public PGpoint point[];
+  
+  public PGpath(int num,PGpoint[] points,boolean open)
+  {
+    npoints = num;
+    this.point = points;
+    this.open = open;
+  }
+  
+  /**
+   * This constructor is used by the driver.
+   */
+  public PGpath(String s) throws SQLException
+  {
+    // First test to see if were open
+    if(s.startsWith("[") && s.endsWith("]")) {
+      open = true;
+      s = PGtokenizer.removeBox(s);
+    } else if(s.startsWith("(") && s.endsWith(")")) {
+      open = false;
+      s = PGtokenizer.removePara(s);
+    } else
+      throw new SQLException("cannot tell if path is open or closed");
+    
+    PGtokenizer t = new PGtokenizer(s,',');
+    npoints = t.getSize();
+    point = new PGpoint[npoints];
+    for(int p=0;p<npoints;p++)
+      point[p] = new PGpoint(t.getToken(p));
+  }
+  
+  public boolean equals(Object obj)
+  {
+    PGpath p = (PGpath)obj;
+    
+    if(p.npoints != npoints)
+      return false;
+    
+    if(p.open != open)
+      return false;
+    
+    for(int i=0;i<npoints;i++)
+      if(!point[i].equals(p.point[i]))
+	return false;
+    
+    return true;
+  }
+  
+  /**
+   * This returns the polygon in the syntax expected by postgresql
+   */
+  public String toString()
+  {
+    StringBuffer b = new StringBuffer(open?"[":"(");
+    
+    for(int p=0;p<npoints;p++)
+      b.append(point[p].toString());
+    
+    b.append(open?"]":")");
+    
+    return b.toString();
+  }
+  
+  public boolean isOpen()
+  {
+    return open;
+  }
+  
+  public boolean isClosed()
+  {
+    return !open;
+  }
+  
+  public void closePath()
+  {
+    open = false;
+  }
+  
+  public void openPath()
+  {
+    open = true;
+  }
+  
+}