0042039: Make OutputWSRestProcessor extensible to be able to set the webservice call path, user and password

diff --git a/src/org/openbravo/externaldata/integration/process/OutputWSRestProcessor.java b/src/org/openbravo/externaldata/integration/process/OutputWSRestProcessor.java
--- a/src/org/openbravo/externaldata/integration/process/OutputWSRestProcessor.java
+++ b/src/org/openbravo/externaldata/integration/process/OutputWSRestProcessor.java
@@ -21,7 +21,6 @@
 import javax.servlet.ServletException;
 
 import org.apache.commons.codec.binary.Base64;
-import org.apache.commons.lang.StringUtils;
 import org.openbravo.base.exception.OBException;
 import org.openbravo.client.kernel.ComponentProvider.Qualifier;
 import org.openbravo.erpCommon.utility.OBMessageUtils;
@@ -50,18 +49,15 @@
   @Override
   protected Writer obtainWriter(OBEDLConfigOutput output) {
     Writer result = null;
+    String wsPath = getPath(output);
+    String user = getUser(output);
+    String password = getPassword(output);
     try {
-      URL url = new URL(output.getPath());
+      URL url = new URL(wsPath);
       connection = (HttpURLConnection) url.openConnection();
-      if (StringUtils.isNotEmpty(output.getUser())
-          && StringUtils.isNotEmpty(output.getPassword())) {
-        String password = "";
-        try {
-          password = FormatUtilities.encryptDecrypt(output.getPassword(), false);
-        } catch (ServletException e) {
-          log.error("Error decrypting password", e);
-        }
-        String userPassword = output.getUser() + ":" + password;
+
+      if (user != null) {
+        String userPassword = user + ":" + password;
         byte[] encoding = Base64.encodeBase64(userPassword.getBytes());
         connection.setRequestProperty("Authorization", "Basic " + (new String(encoding)));
       }
@@ -74,8 +70,8 @@
       result = new BufferedWriter(new OutputStreamWriter(outputStream));
     } catch (IOException e) {
       String errorMessage = OBMessageUtils.messageBD(ERROR_OBTAINING_WRITER);
-      log.error(errorMessage + " " + output.getPath());
-      throw new OBException(errorMessage + " " + output.getPath(), e);
+      log.error(errorMessage + " " + wsPath);
+      throw new OBException(errorMessage + " " + wsPath, e);
     }
     return result;
   }
@@ -139,4 +135,51 @@
     return true;
   }
 
+  /**
+   * 
+   * Returns the path of the WebService call, by default it will take the information from the
+   * OutPut Configuration but it could be overwritten
+   * 
+   * @param output
+   *          Configuration of the output.
+   * 
+   * @return String The WebService path
+   */
+  protected String getPath(OBEDLConfigOutput output) {
+    return output.getPath();
+  }
+
+  /**
+   * 
+   * Returns the user for the authentication to the WebService call, by default it will take the
+   * information from the OutPut Configuration but it could be overwritten
+   * 
+   * @param output
+   *          Configuration of the output.
+   * 
+   * @return String The user for authentication
+   */
+  protected String getUser(OBEDLConfigOutput output) {
+    return output.getUser();
+  }
+
+  /**
+   * 
+   * Returns the password for the authentication to the WebService call, by default it will take the
+   * information from the OutPut configuration but it could be overwritten
+   * 
+   * @param output
+   *          Configuration of the output.
+   * 
+   * @return String The password for authentication
+   */
+  protected String getPassword(OBEDLConfigOutput output) {
+    String password = "";
+    try {
+      password = FormatUtilities.encryptDecrypt(output.getPassword(), false);
+    } catch (ServletException e) {
+      log.error("Error decrypting password", e);
+    }
+    return password;
+  }
 }