Load thumbnails when read-only

src/main/java/org/openmicroscopy/shoola/env/LookupNames.java

@@ -447,4 +447,11 @@ public class LookupNames
 
     /** Lookup name for characters which need to escaped for the login username / password */
     public static final String LOGIN_ESCAPE_CHARACTERS="omero.client.login_escape_characters";
+
+    /** Lookup name for read-only status of server.*/
+    public static final String SERVER_DB = "omero.cluster.read_only.runtime.db";
+
+    /** Lookup name for read-only status of server.*/
+    public static final String SERVER_REPO = "omero.cluster.read_only.runtime.repo";
+
 }

src/main/java/org/openmicroscopy/shoola/env/data/DataServicesFactory.java

@@ -552,6 +552,27 @@ public void connect(UserCredentials uc)
             msg = new LogMessage("Could not load omero client properties from the server", e1);
             registry.getLogger().warn(this, msg);
         }
+
+        try {
+            // Load the omero server properties from the server
+            List agents = (List) registry.lookup(LookupNames.AGENTS);
+            Map<String, String> props = omeroGateway.getServerProperties(exp.getGroupId());
+            for (String key : props.keySet()) {
+                if (registry.lookup(key) == null)
+                    registry.bind(key, props.get(key));
+
+                Registry agentReg;
+                for (Object agent : agents) {
+                    agentReg = ((AgentInfo) agent).getRegistry();
+                    if (agentReg != null && agentReg.lookup(key) == null)
+                        agentReg.bind(key, props.get(key));
+                }
+            }
+        } catch (DSAccessException e1) {
+            msg = new LogMessage("Could not load omero client properties from the server", e1);
+            registry.getLogger().warn(this, msg);
+        }
+
 
         Collection<GroupData> groups;
         Set<GroupData> available;

src/main/java/org/openmicroscopy/shoola/env/data/OMEROGateway.java

@@ -1448,14 +1448,34 @@ Map<String, String> getOmeroClientProperties(long groupId)
             throws DSOutOfServiceException, DSAccessException {
         if (isConnected()) {
             try {
-                return gw.getConfigService(new SecurityContext(groupId)).getClientConfigValues();
+				return gw.getConfigService(new SecurityContext(groupId)).getClientConfigValues();
             } catch (Exception e) {
                 handleException(e, "Cannot access config service. ");
             }
         }
         return null;
     }
 
+	/**
+	 * Get the server properties from the server
+	 * @param The groupId for the {@link SecurityContext}
+	 * @return See above.
+	 * @throws DSAccessException
+	 * @throws DSOutOfServiceException
+	 */
+    Map<String, String> getServerProperties(long groupId)
+			throws DSOutOfServiceException, DSAccessException {
+		if (isConnected()) {
+			try {
+				String regex = "^omero\\.cluster";
+				return gw.getConfigService(new SecurityContext(groupId)).getConfigValues(regex);
+			} catch (Exception e) {
+				handleException(e, "Cannot access config service. ");
+			}
+		}
+		return null;
+	}
+
 	/**
 	 * Retrieves the system view hosting the repositories.
 	 *

src/main/java/org/openmicroscopy/shoola/env/data/views/calls/ThumbnailLoader.java

@@ -46,6 +46,7 @@
 
 import java.awt.Dimension;
 import java.awt.Image;
+import java.lang.StackTraceElement;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashSet;
@@ -112,6 +113,16 @@ public class ThumbnailLoader extends BatchCallTree {
      */
     private boolean asImage = false;
 
+    private boolean readOnly = false;
+
+    private boolean isReadOnly() {
+        String b = (String) context.lookup(LookupNames.SERVER_DB);
+        if (b != null) {
+            return Boolean.valueOf(b).booleanValue();
+        }
+        return false;
+    }
+
     /**
      * Creates a new instance.
      * If bad arguments are passed, we throw a runtime exception so to fail
@@ -146,6 +157,7 @@ public ThumbnailLoader(SecurityContext ctx, Collection<DataObject> imgs,
         this.userIDs = userIDs;
         this.ctx = ctx;
         this.service = context.getImageService();
+        this.readOnly = isReadOnly();
     }
 
     public ThumbnailLoader(SecurityContext ctx, Collection<DataObject> imgs, long userID) {
@@ -335,6 +347,9 @@ private byte[] loadThumbnail(ThumbnailStorePrx store, PixelsData pxd, long userI
                 store.setRenderingDefId(rndDefId);
         }
 
+        if (readOnly) {
+            return store.getThumbnail(omero.rtypes.rint(sizeX), omero.rtypes.rint(sizeY));
+        }
         return store.getThumbnailWithoutDefault(omero.rtypes.rint(sizeX),
                 omero.rtypes.rint(sizeY));
     }