Index: AbstractJdbc4Statement.java
===================================================================
RCS file: /cvsroot/jdbc/pgjdbc/org/postgresql/jdbc4/AbstractJdbc4Statement.java,v
retrieving revision 1.7
diff -u -r1.7 AbstractJdbc4Statement.java
--- AbstractJdbc4Statement.java	2 Aug 2011 13:49:23 -0000	1.7
+++ AbstractJdbc4Statement.java	20 Jan 2012 19:05:26 -0000
@@ -40,11 +40,15 @@
     public void setObject(int parameterIndex, Object x) throws SQLException
     {
         if (x instanceof SQLXML)
-        {
             setSQLXML(parameterIndex, (SQLXML)x);
-        } else {
+        else if (x instanceof List)
+            setArray(parameterIndex, (List)x);
+        else if (x instanceof Object[])
+            setArray(parameterIndex, (Object[])x);
+        else if (x.getClass().isArray())
+            setArray(parameterIndex, (Object)x);
+        else
             super.setObject(parameterIndex, x);
-        }
     }
 
     public void setObject(int parameterIndex, Object x, int targetSqlType, int scale) throws SQLException
@@ -391,5 +395,101 @@
     {
         throw org.postgresql.Driver.notImplemented(this.getClass(), "getObject(String, Class<T>)");
     }
-
+    
+    private void setArray(int i, List x) throws SQLException {
+        setArray(i, x.toArray());
+    }
+    
+    private void setArray(int i, Object[] x) throws SQLException {
+        String typename=null;
+        Object o;
+        if (x.getClass().equals(Object[].class))
+        {
+            // make sure all values of the same type
+            o=x[0];
+            for (int j=1;j<x.length;j++)
+                if (!o.getClass().equals(x[j].getClass()))
+                    throw new PSQLException(GT.tr("Array has different types"), PSQLState.INVALID_PARAMETER_TYPE);
+        } else
+            o=x;
+        if (o instanceof Byte[] || o instanceof Byte)
+            typename = "int2";
+        else if (o instanceof Short[] || o instanceof Short)
+            typename = "int2";
+        else if (o instanceof Integer[] || o instanceof Integer)
+            typename = "int4";
+        else if (o instanceof Long[] || o instanceof Long)
+            typename = "int8";
+        else if (o instanceof Float[] || o instanceof Float)
+            typename = "float4";
+        else if (o instanceof Double[] || o instanceof Double)
+            typename = "float8";
+        else if (o instanceof Boolean[] || o instanceof Boolean)
+            typename = "bool";
+        else if (o instanceof Character[] || o instanceof Character)
+            typename = "char";
+        else 
+            throw new PSQLException(GT.tr("Illegal array type ({0}), only builtins supported. Use setObject() with an explicit Types value to specify the type to use.", o.getClass().getName()), PSQLState.INVALID_PARAMETER_TYPE);
+        
+        setArray(i, this.connection.createArrayOf(typename, x));
+    }
+    
+    private void setArray(int i, Object x) throws SQLException
+    {
+        checkClosed();
+        
+        String typename=null;
+        Object[] newArray=null;
+        
+        if (x instanceof byte[]){
+            typename = "int2";
+            byte[] a=(byte[])x;
+            newArray=new Byte[a.length];
+            for (int j=0;j<a.length;j++)
+                newArray[j]=a[j];                
+        } else if (x instanceof short[]){
+            typename = "int2";
+            short[] a=(short[])x;
+            newArray=new Short[a.length];
+            for (int j=0;j<a.length;j++)
+                newArray[j]=a[j];                
+        } else if (x instanceof int[]){
+            typename = "int4";
+            int[] a=(int[])x;
+            newArray=new Integer[a.length];
+            for (int j=0;j<a.length;j++)
+                newArray[j]=a[j];                
+        } else if (x instanceof long[]){
+            typename = "int8";
+            long[] a=(long[])x;
+            newArray=new Long[a.length];
+            for (int j=0;j<a.length;j++)
+                newArray[j]=a[j];                
+        } else if (x instanceof float[]){
+            typename = "float4";
+            float[] a=(float[])x;
+            newArray=new Float[a.length];
+            for (int j=0;j<a.length;j++)
+                newArray[j]=a[j];                
+        } else if (x instanceof double[]){
+            typename = "float8";
+            double[] a=(double[])x;
+            newArray=new Double[a.length];
+            for (int j=0;j<a.length;j++)
+                newArray[j]=a[j];                
+        } else if (x instanceof boolean[]){
+            typename = "bool";
+            boolean[] a=(boolean[])x;
+            newArray=new Boolean[a.length];
+            for (int j=0;j<a.length;j++)
+                newArray[j]=a[j];                
+        } else if (x instanceof char[]){
+            typename = "char";
+            char[] a=(char[])x;
+            newArray=new Character[a.length];
+            for (int j=0;j<a.length;j++)
+                newArray[j]=a[j];                
+        }
+        setArray(i, this.connection.createArrayOf(typename, newArray));
+    }
 }