Index: /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/Tile.java
===================================================================
--- /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/Tile.java	(revision 31142)
+++ /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/Tile.java	(revision 31143)
@@ -330,4 +330,10 @@
     }
 
+    /**
+     * returns the metadata of the Tile
+     *
+     * @param key metadata key that should be returned
+     * @return null if no such metadata exists, or the value of the metadata
+     */
     public String getValue(String key) {
         if (metadata == null) return null;
@@ -335,4 +341,8 @@
     }
 
+    /**
+     *
+     * @return metadata of the tile
+     */
     public Map<String,String> getMetadata() {
         if (metadata == null) {
@@ -342,4 +352,7 @@
     }
 
+    /**
+     * indicate that loading process for this tile has started
+     */
     public void initLoading() {
         loaded = false;
@@ -348,4 +361,7 @@
     }
 
+    /**
+     * indicate that loading process for this tile has ended
+     */
     public void finishLoading() {
         loading = false;
Index: /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/tilesources/TileSourceInfo.java
===================================================================
--- /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/tilesources/TileSourceInfo.java	(revision 31142)
+++ /applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/tilesources/TileSourceInfo.java	(revision 31143)
@@ -8,4 +8,6 @@
 /**
  * Data class that keeps basic information about a tile source.
+ *
+ * @since 31122
  */
 public class TileSourceInfo {
@@ -131,4 +133,9 @@
     }
 
+    /**
+     *
+     * @return mapping <HTTP header name, Metadata key name> for copying HTTP headers to Tile metadata
+     * @since 31125
+     */
     public Map<String, String> getMetadataHeaders() {
         return metadataHeaders;