fix problem with xml representation of collections

scm-webapp/src/main/java/sonia/scm/api/rest/resources/AbstractManagerResource.java

@@ -60,6 +60,7 @@ import javax.ws.rs.WebApplicationException;
 import javax.ws.rs.core.CacheControl;
 import javax.ws.rs.core.Context;
 import javax.ws.rs.core.EntityTag;
+import javax.ws.rs.core.GenericEntity;
 import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.Request;
 import javax.ws.rs.core.Response;
@@ -93,6 +94,19 @@ public abstract class AbstractManagerResource<T extends ModelObject,
     this.manager = manager;
   }
 
+  //~--- methods --------------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param items
+   *
+   * @return
+   */
+  protected abstract GenericEntity<Collection<T>> createGenericEntity(
+          Collection<T> items);
+
   //~--- get methods ----------------------------------------------------------
 
   /**
@@ -271,14 +285,15 @@ public abstract class AbstractManagerResource<T extends ModelObject,
     }
 
     Response response = null;
+    Object entity = createGenericEntity(items);
 
     if (disableCache)
     {
-      response = Response.ok(items).build();
+      response = Response.ok(entity).build();
     }
     else
     {
-      response = createCacheResponse(request, manager, items);
+      response = createCacheResponse(request, manager, entity);
     }
 
     return response;

scm-webapp/src/main/java/sonia/scm/api/rest/resources/GroupResource.java

@@ -44,7 +44,10 @@ import sonia.scm.group.GroupManager;
 
 //~--- JDK imports ------------------------------------------------------------
 
+import java.util.Collection;
+
 import javax.ws.rs.Path;
+import javax.ws.rs.core.GenericEntity;
 
 /**
  *
@@ -73,6 +76,24 @@ public class GroupResource
     super(groupManager);
   }
 
+  //~--- methods --------------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param items
+   *
+   * @return
+   */
+  @Override
+  protected GenericEntity<Collection<Group>> createGenericEntity(
+          Collection<Group> items)
+  {
+    return new GenericEntity<Collection<Group>>(items) {}
+    ;
+  }
+
   //~--- get methods ----------------------------------------------------------
 
   /**

scm-webapp/src/main/java/sonia/scm/api/rest/resources/RepositoryResource.java

@@ -58,6 +58,7 @@ import java.util.Collection;
 import javax.servlet.http.HttpServletRequest;
 
 import javax.ws.rs.Path;
+import javax.ws.rs.core.GenericEntity;
 
 /**
  *
@@ -99,6 +100,22 @@ public class RepositoryResource
 
   //~--- methods --------------------------------------------------------------
 
+  /**
+   * Method description
+   *
+   *
+   * @param items
+   *
+   * @return
+   */
+  @Override
+  protected GenericEntity<Collection<Repository>> createGenericEntity(
+          Collection<Repository> items)
+  {
+    return new GenericEntity<Collection<Repository>>(items) {}
+    ;
+  }
+
   /**
    * Method description
    *

scm-webapp/src/main/java/sonia/scm/api/rest/resources/UserResource.java

@@ -50,6 +50,7 @@ import sonia.scm.util.Util;
 import java.util.Collection;
 
 import javax.ws.rs.Path;
+import javax.ws.rs.core.GenericEntity;
 
 /**
  *
@@ -85,6 +86,22 @@ public class UserResource extends AbstractManagerResource<User, UserException>
 
   //~--- methods --------------------------------------------------------------
 
+  /**
+   * Method description
+   *
+   *
+   * @param items
+   *
+   * @return
+   */
+  @Override
+  protected GenericEntity<Collection<User>> createGenericEntity(
+          Collection<User> items)
+  {
+    return new GenericEntity<Collection<User>>(items) {}
+    ;
+  }
+
   /**
    * Method description
    *