EWS: implement SortOrder

git-svn-id: http://svn.code.sf.net/p/davmail/code/trunk@2092 3d1905a2-6b24-0410-a738-b14d5a86fcbd

src/java/davmail/exchange/ews/EWSMethod.java

@@ -82,6 +82,7 @@ public abstract class EWSMethod extends PostMethod {
     protected Item item;
 
     protected SearchExpression searchExpression;
+    protected FieldOrder fieldOrder;
 
     protected String serverVersion;
     protected String timezoneContext;
@@ -163,6 +164,10 @@ public abstract class EWSMethod extends PostMethod {
         this.searchExpression = searchExpression;
     }
 
+    protected void setFieldOrder(FieldOrder fieldOrder) {
+        this.fieldOrder = fieldOrder;
+    }
+
     protected void writeShape(Writer writer) throws IOException {
         if (baseShape != null) {
             writer.write("<m:");
@@ -277,6 +282,16 @@ public abstract class EWSMethod extends PostMethod {
         }
     }
 
+    protected void writeSortOrder(Writer writer) throws IOException {
+        if (fieldOrder != null) {
+            writer.write("<m:SortOrder>");
+            StringBuilder buffer = new StringBuilder();
+            fieldOrder.appendTo(buffer);
+            writer.write(buffer.toString());
+            writer.write("</m:SortOrder>");
+        }
+    }
+
     protected void startChanges(Writer writer) throws IOException {
         //noinspection VariableNotUsedInsideIf
         if (updates != null) {
@@ -371,6 +386,7 @@ public abstract class EWSMethod extends PostMethod {
         writeShape(writer);
         writeIndexedPageItemView(writer);
         writeRestriction(writer);
+        writeSortOrder(writer);
         writeParentFolderId(writer);
         writeToFolderId(writer);
         writeItemId(writer);

src/java/davmail/exchange/ews/FieldOrder.java

@@ -0,0 +1,45 @@
+/*
+ * DavMail POP/IMAP/SMTP/CalDav/LDAP Exchange Gateway
+ * Copyright (C) 2013  Mickael Guessant
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+package davmail.exchange.ews;
+
+/**
+ * Sort order.
+ */
+public class FieldOrder {
+    protected enum Order {
+        Descending, Ascending
+    }
+    protected Order order;
+    protected FieldURI fieldURI;
+
+    public FieldOrder(FieldURI fieldURI, Order order) {
+        this.fieldURI = fieldURI;
+        this.order = order;
+    }
+    /**
+     * Append sort order to buffer.
+     *
+     * @param buffer search buffer
+     */
+    void appendTo(StringBuilder buffer) {
+        buffer.append("<t:FieldOrder Order=\"").append(order).append("\">");
+        fieldURI.appendTo(buffer);
+        buffer.append("</t:FieldOrder>");
+    }
+}