0028498: Include a hook in method finishInvoice to add some action when an invoice is created using the cash up

diff --git a/src/org/openbravo/retail/posterminal/FinishInvoiceHook.java b/src/org/openbravo/retail/posterminal/FinishInvoiceHook.java
new file mode 100644
--- /dev/null
+++ b/src/org/openbravo/retail/posterminal/FinishInvoiceHook.java
@@ -0,0 +1,23 @@
+/*
+ ************************************************************************************
+ * Copyright (C) 2015 Openbravo S.L.U.
+ * Licensed under the Openbravo Commercial License version 1.0
+ * You may obtain a copy of the License at http://www.openbravo.com/legal/obcl.html
+ * or in the legal folder of this module distribution.
+ ************************************************************************************
+ */
+
+package org.openbravo.retail.posterminal;
+
+import org.openbravo.model.common.invoice.Invoice;
+
+/**
+ * Classes extending this class will be executed during the cashup process, for each invoice
+ * generated by the OrderGroupingProcessor.
+ * 
+ */
+public abstract class FinishInvoiceHook {
+
+  public abstract void exec(Invoice invoice, String cashupId);
+
+}
\ No newline at end of file
diff --git a/src/org/openbravo/retail/posterminal/OrderGroupingProcessor.java b/src/org/openbravo/retail/posterminal/OrderGroupingProcessor.java
--- a/src/org/openbravo/retail/posterminal/OrderGroupingProcessor.java
+++ b/src/org/openbravo/retail/posterminal/OrderGroupingProcessor.java
@@ -1,6 +1,6 @@
 /*
  ************************************************************************************
- * Copyright (C) 2012 Openbravo S.L.U.
+ * Copyright (C) 2012-2015 Openbravo S.L.U.
  * Licensed under the Openbravo Commercial License version 1.0
  * You may obtain a copy of the License at http://www.openbravo.com/legal/obcl.html
  * or in the legal folder of this module distribution.
@@ -14,8 +14,13 @@
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.HashMap;
+import java.util.Iterator;
 import java.util.List;
 
+import javax.enterprise.inject.Any;
+import javax.enterprise.inject.Instance;
+import javax.inject.Inject;
+
 import org.apache.log4j.Logger;
 import org.codehaus.jettison.json.JSONException;
 import org.codehaus.jettison.json.JSONObject;
@@ -54,6 +59,10 @@
 
 public class OrderGroupingProcessor {
 
+  @Inject
+  @Any
+  private Instance<FinishInvoiceHook> invoiceProcesses;
+
   private static final Logger log = Logger.getLogger(OrderGroupingProcessor.class);
 
   public JSONObject groupOrders(OBPOSApplications posTerminal, String cashUpId, Date cashUpDate)
@@ -102,6 +111,8 @@
           // New Order. We need to finish current invoice, and create a new one
           finishInvoice(invoice, totalNetAmount, invoiceTaxes, paymentSchedule,
               origPaymentSchedule, cashUpDate);
+          executeHooks(invoice, cashUpId);
+
           currentOrderId = orderId;
           Order order = OBDal.getInstance().get(Order.class, orderId);
           currentOrder = OBDal.getInstance().get(Order.class, orderId);
@@ -133,6 +144,8 @@
           // New business partner. We need to finish current invoice, and create a new one
           finishInvoice(invoice, totalNetAmount, invoiceTaxes, paymentSchedule,
               origPaymentSchedule, cashUpDate);
+          executeHooks(invoice, cashUpId);
+
           currentbpId = bpId;
           currentBp = OBDal.getInstance().get(BusinessPartner.class, bpId);
           invoice = createNewInvoice(posTerminal, currentBp, orderLine, cashUpDate);
@@ -224,6 +237,8 @@
     }
     finishInvoice(invoice, totalNetAmount, invoiceTaxes, paymentSchedule, origPaymentSchedule,
         cashUpDate);
+    executeHooks(invoice, cashUpId);
+
     // The commit will be done in ProcessCashClose.java (flush), Transactional process.
     // OBDal.getInstance().getConnection().commit();
 
@@ -233,6 +248,14 @@
     return jsonResponse;
   }
 
+  protected void executeHooks(Invoice invoice, String cashUpId) {
+    for (Iterator<FinishInvoiceHook> processIterator = invoiceProcesses.iterator(); processIterator
+        .hasNext();) {
+      FinishInvoiceHook process = processIterator.next();
+      process.exec(invoice, cashUpId);
+    }
+  }
+
   protected FIN_PaymentSchedule createNewPaymentSchedule(Invoice invoice, Date cashUpDate) {
     FIN_PaymentSchedule paymentScheduleInvoice = OBProvider.getInstance().get(
         FIN_PaymentSchedule.class);
diff --git a/src/org/openbravo/retail/posterminal/ProcessCashClose.java b/src/org/openbravo/retail/posterminal/ProcessCashClose.java
--- a/src/org/openbravo/retail/posterminal/ProcessCashClose.java
+++ b/src/org/openbravo/retail/posterminal/ProcessCashClose.java
@@ -1,6 +1,6 @@
 /*
  ************************************************************************************
- * Copyright (C) 2012 Openbravo S.L.U.
+ * Copyright (C) 2012-2015 Openbravo S.L.U.
  * Licensed under the Openbravo Commercial License version 1.0
  * You may obtain a copy of the License at http://www.openbravo.com/legal/obcl.html
  * or in the legal folder of this module distribution.
@@ -94,7 +94,7 @@
       try {
         TriggerHandler.getInstance().disable();
 
-        new OrderGroupingProcessor().groupOrders(posTerminal, cashUpId, cashUpDate);
+        getOrderGroupingProcessor().groupOrders(posTerminal, cashUpId, cashUpDate);
         posTerminal = OBDal.getInstance().get(OBPOSApplications.class,
             jsonCashup.getString("posTerminal"));
 
@@ -119,6 +119,10 @@
     return jsonData;
   }
 
+  protected OrderGroupingProcessor getOrderGroupingProcessor() {
+    return WeldUtils.getInstanceFromStaticBeanManager(OrderGroupingProcessor.class);
+  }
+
   @Override
   protected String getProperty() {
     return "OBPOS_retail.cashup";