# HG changeset patch
# User Raimund Renkert <rrenkert@intevation.de>
# Date 1302772175 -7200
# Node ID f807c9c81019c96dfd40f3c75386258181dc26f7
# Parent  27577294f9ca2ab55c5e62da286d88cd6e1fb780
Read further map attributes.

diff -r 27577294f9ca -r f807c9c81019 ChangeLog
--- a/ChangeLog	Thu Apr 14 11:04:59 2011 +0200
+++ b/ChangeLog	Thu Apr 14 11:09:35 2011 +0200
@@ -1,4 +1,9 @@
-2011-04-12  Raimund Renkert <raimund.renkert@intevation.de>
+2011-04-14  Raimund Renkert <raimund.renkert@intevation.de>
+
+	* src/java/de/intevation/mxd/reader/MapReader.java:
+	  Read further map attributes.
+
+2011-04-14  Raimund Renkert <raimund.renkert@intevation.de>
 
 	* src/java/de/intevation/mxd/utils/MapToXMLUtils.java:
 	  Added root element to document and save the filename in the XML tree.
diff -r 27577294f9ca -r f807c9c81019 src/java/de/intevation/mxd/reader/MapReader.java
--- a/src/java/de/intevation/mxd/reader/MapReader.java	Thu Apr 14 11:04:59 2011 +0200
+++ b/src/java/de/intevation/mxd/reader/MapReader.java	Thu Apr 14 11:09:35 2011 +0200
@@ -5,11 +5,13 @@
 import org.apache.log4j.Logger;
 
 import com.esri.arcgis.carto.IMap;
+import com.esri.arcgis.carto.Map;
 import com.esri.arcgis.geometry.ISpatialReference;
 import com.esri.arcgis.geometry.ProjectedCoordinateSystem;
 import com.esri.arcgis.geometry.GeographicCoordinateSystem;
 import com.esri.arcgis.geometry.UnknownCoordinateSystem;
 import com.esri.arcgis.geometry.Projection;
+import com.esri.arcgis.geometry.IEnvelope;
 
 import org.w3c.dom.Element;
 
@@ -23,15 +25,21 @@
 public class MapReader{
 
     //Member
-    private IMap map;
+    private Map map;
     private MapToXMLUtils util;
 
     private static final Logger logger = Logger.getLogger(MapReader.class);
 
     //Constructor
-    public MapReader(IMap map){
+    public MapReader(IMap map)
+    throws Exception {
         logger.debug("constructor()");
-        this.map = map;
+        if(map instanceof Map) {
+            this.map = (Map)map;
+        }
+        else {
+            throw new Exception("Not an instance of \"Map\"!");
+        }
     }
 
 
@@ -45,8 +53,7 @@
         if(util == null)
             throw new IOException("Can not write to document.");
 
-//        XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(document,
-//                                                                      "", "");
+        //Create XML Element for map.
         Element mapElement;
         try{
             mapElement = util.createMap();
@@ -55,8 +62,47 @@
             e.printStackTrace();
             return;
         }
+
+        //Read map name.
+        mapElement.setAttribute("name", map.getName());
+
+        //Read map extent.
+        IEnvelope ext = map.getExtent();
+        mapElement.setAttribute(
+            "extent_max_x",
+            String.valueOf(ext.getXMax()));
+        mapElement.setAttribute(
+            "extent_max_y",
+            String.valueOf(ext.getYMax()));
+        mapElement.setAttribute(
+            "extent_min_x",
+            String.valueOf(ext.getXMin()));
+        mapElement.setAttribute(
+            "extent_min_y",
+            String.valueOf(ext.getYMin()));
+
+        //Read map units.
+        int units = map.getMapUnits();
+        String s_units;
+        switch(units) {
+            case   3: s_units = "feet"; break;
+            case   1: s_units = "inches"; break;
+            case  10: s_units = "kilometers"; break;
+            case   9: s_units = "meters"; break;
+            case   5: s_units = "miles"; break;
+            case   6: s_units = "nauticalmiles"; break;
+            case   2: s_units = "points"; break;
+            default : s_units = "not supported"; break;
+        }
+        mapElement.setAttribute("units", s_units);
+
+        //TODO: Find out whats the correct scale value.
+        mapElement.setAttribute(
+            "scale",
+            String.valueOf(map.getMaxScale()));
+
+        //Read the projection.
         ISpatialReference sr = map.getSpatialReference();
-        logger.debug("Instance: " + sr.getClass().toString());
         if(sr instanceof ProjectedCoordinateSystem){
             ProjectedCoordinateSystem pcs = (ProjectedCoordinateSystem)sr;
             Projection p = (Projection)pcs.getProjection();