Author: rwatler
Date: Thu Aug 19 22:15:14 2010
New Revision: 987332
URL: http://svn.apache.org/viewvc?rev=987332&view=rev
Log:
Properly handle DB related exceptions in Capabilities component to prevent bad
CapabilitiesMap instance from being cached for UserAgent
Modified:
portals/jetspeed-2/portal/trunk/components/jetspeed-capability/src/main/java/org/apache/jetspeed/capabilities/impl/JetspeedCapabilities.java
Modified:
portals/jetspeed-2/portal/trunk/components/jetspeed-capability/src/main/java/org/apache/jetspeed/capabilities/impl/JetspeedCapabilities.java
URL:
http://svn.apache.org/viewvc/portals/jetspeed-2/portal/trunk/components/jetspeed-capability/src/main/java/org/apache/jetspeed/capabilities/impl/JetspeedCapabilities.java?rev=987332&r1=987331&r2=987332&view=diff
==============================================================================
---
portals/jetspeed-2/portal/trunk/components/jetspeed-capability/src/main/java/org/apache/jetspeed/capabilities/impl/JetspeedCapabilities.java
(original)
+++
portals/jetspeed-2/portal/trunk/components/jetspeed-capability/src/main/java/org/apache/jetspeed/capabilities/impl/JetspeedCapabilities.java
Thu Aug 19 22:15:14 2010
@@ -222,64 +222,82 @@ public class JetspeedCapabilities extend
}
} else
{
- // Found Client entry start populating the capability map.
- map = new CapabilityMapImpl();
+ bClientFound = true;
- // Add client to CapabilityMap
- map.setClient(entry);
-
- // Add capabilities
- Iterator capabilities = entry.getCapabilities().iterator();
- while (capabilities.hasNext())
+ try
{
- map.addCapability((Capability) capabilities.next());
- }
+ // Found Client entry start populating the capability map.
+ map = new CapabilityMapImpl();
- Collection mediatypes =
- getMediaTypesForMimeTypes(entry.getMimetypes().iterator());
+ // Add client to CapabilityMap
+ map.setClient(entry);
- // Add Mimetypes to map
- Iterator mimetypes = entry.getMimetypes().iterator();
- while (mimetypes.hasNext())
- {
- map.addMimetype((MimeType) mimetypes.next());
- }
+ // Add capabilities
+ Iterator capabilities = entry.getCapabilities().iterator();
+ while (capabilities.hasNext())
+ {
+ map.addCapability((Capability) capabilities.next());
+ }
- Iterator media = mediatypes.iterator();
- while (media.hasNext())
- {
- map.addMediaType((MediaType) media.next());
- }
+ // Add Mimetypes to map
+ Iterator mimetypes = entry.getMimetypes().iterator();
+ while (mimetypes.hasNext())
+ {
+ map.addMimetype((MimeType) mimetypes.next());
+ }
- //Set preferred Mimetype
- MediaType mtEntry =
- getMediaTypeForMimeType(map.getPreferredType().getName());
+ // Add Mediatypes for Mimetype to map
+ Collection mediatypes =
+
getMediaTypesForMimeTypes(entry.getMimetypes().iterator());
+ Iterator media = mediatypes.iterator();
+ while (media.hasNext())
+ {
+ map.addMediaType((MediaType) media.next());
+ }
- map.setPreferredMediaType(mtEntry);
+ // Validate preferred Mimetype
+ MimeType mimeTypeEntry = map.getPreferredType();
+ if (mimeTypeEntry == null)
+ {
+ throw new RuntimeException("Unable to get preferred
Mimetype for client: "+entry.getName());
+ }
- // Add map to cache
- synchronized (capabilityMapCache)
- {
- if (capabilityMapCache.put(userAgent, map) != null)
+ // Set preferred Mediatype for Mimetype
+ MediaType mediaTypeEntry =
getMediaTypeForMimeType(mimeTypeEntry.getName());
+ if (mediaTypeEntry == null)
{
- capabilityMapCacheKeyList.remove(userAgent);
+ throw new RuntimeException("Unable to find preferred
Mediatype for Mimetype/client: "+mimeTypeEntry.getName()+"/"+entry.getName());
}
- capabilityMapCacheKeyList.addFirst(userAgent);
- if (defaultAgent != null)
+ map.setPreferredMediaType(mediaTypeEntry);
+
+ // Add map to cache
+ synchronized (capabilityMapCache)
{
- if (capabilityMapCache.put(defaultAgent, map) != null)
+ if (capabilityMapCache.put(userAgent, map) != null)
{
- capabilityMapCacheKeyList.remove(defaultAgent);
+ capabilityMapCacheKeyList.remove(userAgent);
+ }
+ capabilityMapCacheKeyList.addFirst(userAgent);
+ if (defaultAgent != null)
+ {
+ if (capabilityMapCache.put(defaultAgent, map) !=
null)
+ {
+ capabilityMapCacheKeyList.remove(defaultAgent);
+ }
+ capabilityMapCacheKeyList.addFirst(defaultAgent);
+ }
+ while (capabilityMapCache.size() > MAX_CACHE_SIZE)
+ {
+ String reapAgent =
(String)capabilityMapCacheKeyList.removeLast();
+ capabilityMapCache.remove(reapAgent);
}
- capabilityMapCacheKeyList.addFirst(defaultAgent);
- }
- while (capabilityMapCache.size() > MAX_CACHE_SIZE)
- {
- String reapAgent =
(String)capabilityMapCacheKeyList.removeLast();
- capabilityMapCache.remove(reapAgent);
}
}
- return map;
+ catch (Exception e)
+ {
+ log.error("Unable to build capability map for
"+userAgent+": "+e, e);
+ map = null;
+ }
}
}
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