From 1a92e17d07c1225ce14106fb0a12f82a7c3e2e97 Mon Sep 17 00:00:00 2001
From: mguessan <mguessan@3d1905a2-6b24-0410-a738-b14d5a86fcbd>
Date: Wed, 13 Apr 2011 21:34:00 +0000
Subject: [PATCH] Dav: experimental, try to reset session timeout with a GET
 method

git-svn-id: http://svn.code.sf.net/p/davmail/code/trunk@1666 3d1905a2-6b24-0410-a738-b14d5a86fcbd
---
 .../exchange/dav/DavExchangeSession.java      | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/src/java/davmail/exchange/dav/DavExchangeSession.java b/src/java/davmail/exchange/dav/DavExchangeSession.java
index 2d6c3f1b..fca3cdc8 100644
--- a/src/java/davmail/exchange/dav/DavExchangeSession.java
+++ b/src/java/davmail/exchange/dav/DavExchangeSession.java
@@ -51,6 +51,7 @@ import javax.mail.util.SharedByteArrayInputStream;
 import javax.xml.stream.XMLStreamException;
 import javax.xml.stream.XMLStreamReader;
 import java.io.*;
+import java.net.NoRouteToHostException;
 import java.net.URL;
 import java.net.UnknownHostException;
 import java.text.ParseException;
@@ -103,6 +104,25 @@ public class DavExchangeSession extends ExchangeSession {
 
     protected static final String USERS = "/users/";
 
+    @Override
+    public boolean isExpired() throws NoRouteToHostException, UnknownHostException {
+        // experimental: try to reset session timeout
+        GetMethod getMethod = null;
+        try {
+            getMethod = new GetMethod(URIUtil.encodePath(getFolderPath("")));
+            httpClient.executeMethod(getMethod);
+        } catch (IOException e) {
+            LOGGER.warn(e.getMessage());
+        } finally {
+            if (getMethod != null) {
+                getMethod.releaseConnection();
+            }
+        }
+
+        return super.isExpired();
+    }
+
+
     /**
      * Convert logical or relative folder path to exchange folder path.
      *