made PGgeometry serializable again

usage of BinaryParser as local field made PGgeometry itself not
serializable, removed field and inlined only usage

Test Case added

fixes #47

Author: ch-beck

jdbc/src/main/java/org/postgis/PGgeometry.java

@@ -1,12 +1,12 @@
 /*
  * PGgeometry.java
- * 
+ *
  * PostGIS extension for PostgreSQL JDBC driver - PGobject Geometry Wrapper
- * 
+ *
  * (C) 2004 Paul Ramsey, [email protected]
- * 
+ *
  * (C) 2005 Markus Schaber, [email protected]
- * 
+ *
  * (C) 2015 Phillip Ross, [email protected]
  *
  * This library is free software; you can redistribute it and/or
@@ -22,7 +22,7 @@
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
+ *
  */
 
 package org.postgis;
@@ -37,7 +37,6 @@ public class PGgeometry extends PGobject {
     private static final long serialVersionUID = 0x100;
 
     Geometry geom;
-    BinaryParser bp = new BinaryParser();
 
     public PGgeometry() {
         this.setType("geometry");
@@ -54,7 +53,7 @@ public PGgeometry(String value) throws SQLException {
     }
 
     public void setValue(String value) throws SQLException {
-        geom = geomFromString(value, bp);
+        geom = geomFromString(value, new BinaryParser());
     }
 
     public static Geometry geomFromString(String value) throws SQLException {
@@ -131,7 +130,7 @@ public Geometry getGeometry() {
     public void setGeometry(Geometry newgeom) {
         this.geom = newgeom;
     }
-    
+
     public int getGeoType() {
         return geom.type;
     }
@@ -153,7 +152,7 @@ public Object clone() {
 
     /**
      * Splits a String at the first occurrence of border character.
-     * 
+     *
      * Poor man's String.split() replacement, as String.split() was invented at
      * jdk1.4, and the Debian PostGIS Maintainer had problems building the woody
      * backport of his package using DFSG-free compilers. In all the cases we

jdbc/src/test/java/org/postgis/SerializationTest.java

@@ -0,0 +1,22 @@
+package org.postgis;
+
+import org.testng.Assert;
+import org.testng.annotations.Test;
+
+import java.io.ByteArrayOutputStream;
+import java.io.NotSerializableException;
+import java.io.ObjectOutputStream;
+
+public class SerializationTest {
+
+    @Test
+    public void serializationCheckPGgeometry() throws Exception {
+        try {
+            new ObjectOutputStream(new ByteArrayOutputStream())
+                    .writeObject(new PGgeometry("MULTIPOLYGON(((1 1,1 2,2 1,1 1)))"));
+        }
+        catch (NotSerializableException ex) {
+            Assert.fail("serialization of PGgeometry failed: " + ex);
+        }
+    }
+}