Return useful file name

git-svn-id: https://develop.sub.uni-goettingen.de/repos/textgrid/trunk/services/aggregator@14116 7c539038-3410-0410-b1ec-0f2a7bf1c452

src/main/java/info/textgrid/services/aggregator/zip/ZIP.java

@@ -8,9 +8,10 @@
 import info.textgrid.namespaces.middleware.tgcrud.services.tgcrudservice.ObjectNotFoundFault;
 import info.textgrid.namespaces.middleware.tgcrud.services.tgcrudservice.TGCrudService;
 import info.textgrid.services.aggregator.ITextGridRep;
+import info.textgrid.services.aggregator.RESTUtils;
 import info.textgrid.services.aggregator.tree.Aggregation;
 import info.textgrid.services.aggregator.tree.AggregationEntry;
-import info.textgrid.services.aggregator.tree.AggregationTreeFactory;
+import info.textgrid.services.aggregator.tree.FilenamePolicy;
 
 import java.net.URI;
 import java.text.MessageFormat;
@@ -27,7 +28,6 @@
 import javax.ws.rs.core.Context;
 import javax.ws.rs.core.Response;
 import javax.ws.rs.core.Response.Status;
-import javax.ws.rs.core.StreamingOutput;
 
 import org.apache.cxf.jaxrs.model.wadl.Description;
 
@@ -46,7 +46,7 @@ public ZIP(final ITextGridRep repository) {
 	@GET
 	@Path(value = "/{object}")
 	@Produces(value = "application/zip")
-	public StreamingOutput get(
+	public Response get(
 			@Description("The TextGrid URI of the TEI document or aggregation to transform")
 			@PathParam("object") final URI uri,
 			@Description("Session ID to access protected resources")
@@ -66,16 +66,22 @@ public StreamingOutput get(
 							format)).build());
 		}
 		
-		return new ZipResult(rootObject, repository, sid);
+		return RESTUtils
+				.attachmentResponse(FilenamePolicy.getTransliterator()
+						.transliterate(rootObject.getGeneric().getProvided().getTitle().get(0)).concat(".zip"))
+				.type("application/zip")
+				.entity(new ZipResult(rootObject, repository, sid))
+.build();
 	}
 
-	private void appendLS(Aggregation aggregation, StringBuilder output) {
+	private void appendLS(final Aggregation aggregation, final StringBuilder output) {
 		output.append(aggregation.getFileName(true)).append(":\n");
-		for(AggregationEntry child : aggregation.getChildren()) 
-			if (child instanceof Aggregation) 
+		for(final AggregationEntry child : aggregation.getChildren())
+			if (child instanceof Aggregation) {
 				appendLS((Aggregation) child, output);
-			 else 
+			} else {
 				output.append(' ').append(child.getFileName(true)).append('\n');
+			}
 	}
 
 }