XMLA driver now uses HTTP POST (some server's don't support GET)

git-svn-id: https://olap4j.svn.sourceforge.net/svnroot/olap4j/trunk@57 c6a108a4-781c-0410-a6c6-c2d559e19af0

src/org/olap4j/driver/xmla/XmlaOlap4jDriver.java

@@ -205,11 +205,19 @@ Future<byte[]> submit(
  }
 
  /**
- * Implementation of {@link Proxy} which uses HTTP.
+ * Implementation of {@link Proxy} which uses HTTP POST.
  */
  protected static class HttpProxy implements Proxy {
  public byte[] get(URL url, String request) throws IOException {
+ // Open connection to manipulate the properties
  URLConnection urlConnection = url.openConnection();
+ urlConnection.setDoOutput(true);
+ urlConnection.setRequestProperty("content-type", "text/xml");
+
+ // Send data (i.e. POST). Assume default encoding.
+ urlConnection.getOutputStream().write(request.getBytes());
+
+ // Get the response, again assuming default encoding.
  InputStream is = urlConnection.getInputStream();
  final ByteArrayOutputStream baos = new ByteArrayOutputStream();
  byte[] buf = new byte[1024];