svn commit: r893670 - /incubator/click/trunk/click/framework/src/org/apache/click/service/CommonsFileUploadService.java

[sa...@apache.org]

Author: sabob
Date: Thu Dec 24 01:03:28 2009
New Revision: 893670

URL: http://svn.apache.org/viewvc?rev=893670&view=rev
Log:
log warning when deploying CommonsFileUploadService on Google App Engine

Modified:
    incubator/click/trunk/click/framework/src/org/apache/click/service/CommonsFileUploadService.java

Modified: incubator/click/trunk/click/framework/src/org/apache/click/service/CommonsFileUploadService.java
URL: http://svn.apache.org/viewvc/incubator/click/trunk/click/framework/src/org/apache/click/service/CommonsFileUploadService.java?rev=893670&r1=893669&r2=893670&view=diff
==============================================================================
--- incubator/click/trunk/click/framework/src/org/apache/click/service/CommonsFileUploadService.java (original)
+++ incubator/click/trunk/click/framework/src/org/apache/click/service/CommonsFileUploadService.java Thu Dec 24 01:03:28 2009
@@ -19,6 +19,7 @@
 package org.apache.click.service;
 
 import java.io.File;
+import java.security.AccessControlException;
 import java.util.List;
 
 import javax.servlet.ServletContext;
@@ -81,15 +82,31 @@
         ConfigService configService = ClickUtils.getConfigService(servletContext);
         LogService logService = configService.getLogService();
 
-        // Uploaded files are saved to java.io.tmpdir. Here we check if this
-        // directory exists, if it does does not, log a warning
-        String tmpdir = System.getProperty("java.io.tmpdir");
-        File tmpfile = new File(tmpdir);
-        if (!tmpfile.exists()) {
-            logService.warn("The java.io.tmpdir directory, '" + tmpdir
-                + "', does not exist. This can cause file uploading to fail"
-                + " as uploaded files are saved to directory specified by the"
-                + " 'java.io.tmpdir' property.");
+        try {
+            // Uploaded files are saved to java.io.tmpdir. Here we check if this
+            // directory exists, if it does does not, log a warning
+            String tmpdir = System.getProperty("java.io.tmpdir");
+            File tmpfile = new File(tmpdir);
+            if (!tmpfile.exists()) {
+                logService.warn("The java.io.tmpdir directory, '" + tmpdir
+                    + "', does not exist. This can cause file uploading to fail"
+                    + " as uploaded files are saved to directory specified by the"
+                    + " 'java.io.tmpdir' property.");
+            }
+
+        } catch (AccessControlException exception) {
+            if (!ClickUtils.isResourcesDeployable(servletContext)) {
+                // Probably deploying on Google App Engine which throws
+                // Security Exception if accessing temp folder
+                logService.warn("If you are deploying to Google App Engine,"
+                    + " please note that Click's default"
+                    + " org.apache.click.service.CommonsFileUploadService"
+                    + " does not work with Google App Engine. Instead use"
+                    + " org.apache.click.extras.gae.MemoryFileUploadService.");
+            } else {
+                // If resources are deployable throw exception
+                throw exception;
+            }
         }
     }