[client] Support feature string supplied by server

1 files changed, 28 insertions, 0 deletions

diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/thrift/Session.java b/dozentenmodul/src/main/java/org/openslx/dozmod/thrift/Session.java
index 6fa5c3bc..47b8fa85 100644
--- a/dozentenmodul/src/main/java/org/openslx/dozmod/thrift/Session.java
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/thrift/Session.java
@@ -1,11 +1,15 @@
 package org.openslx.dozmod.thrift;
 
+import java.util.HashSet;
+import java.util.Set;
+
 import org.apache.log4j.Logger;
 import org.apache.thrift.TException;
 import org.openslx.bwlp.thrift.iface.ImagePermissions;
 import org.openslx.bwlp.thrift.iface.LecturePermissions;
 import org.openslx.bwlp.thrift.iface.SatelliteConfig;
 import org.openslx.bwlp.thrift.iface.WhoamiInfo;
+import org.openslx.sat.thrift.version.Feature;
 import org.openslx.thrifthelper.ThriftManager;
 
 public class Session {
@@ -23,6 +27,8 @@ public class Session {
 	private static long satelliteApiVersion = -1;
 
 	private static SatelliteConfig satConf = null;
+	
+	private static Set<Feature> features = null;
 
 	public static void initialize(WhoamiInfo whoami, String satAddress, String satToken, String masToken,
 			long satApiVersion) {
@@ -179,4 +185,26 @@ public class Session {
 		return isSuperUser() && satelliteApiVersion >= 3;
 	}
 
+	public static boolean hasFeature(Feature feature) {
+		synchronized (Feature.class) {
+			if (features == null) {
+				String ret;
+				try {
+					ret = ThriftManager.getSatClient().getSupportedFeatures();
+				} catch (TException e) {
+					return false;
+				}
+				if (ret == null)
+					return false;
+				features = new HashSet<>();
+				for (String f : ret.split(" ")) {
+					try {
+						features.add(Feature.valueOf(f));
+					} catch (Throwable t) {}
+				}
+			}
+			return features.contains(feature);
+		}
+	}
+
 }