Wcs handle errors

src/gov/nasa/worldwind/data/BasicRasterServer.java

@@ -140,6 +140,8 @@ protected void init(Object o)
             String message = Logging.getMessage("generic.DataSetLimitedAvailability", this.getDataSetName() );
             Logging.logger().severe(message);
         }
+
+        config.dispose();
     }
 
     protected String getDataSetName()

src/gov/nasa/worldwind/data/RasterServerConfiguration.java

@@ -143,6 +143,16 @@ public RasterServerConfiguration(Object docSource)
 
         this.initialize();
     }
+
+    public void dispose() {
+    	try {
+			eventReader.close();
+		} catch (XMLStreamException e) {
+			e.printStackTrace();
+		}
+    	WWXML.closeEventReader(eventReader, "RasterServerConfiguration");
+    	freeResources();
+    }
 
     protected void initialize()
     {

src/gov/nasa/worldwind/terrain/BasicElevationModel.java

@@ -385,6 +385,7 @@ protected ElevationTile createTile(TileKey key)
         Angle minLongitude = ElevationTile.computeColumnLongitude(key.getColumn(), dLon, lonOrigin);
 
         Sector tileSector = new Sector(minLatitude, minLatitude.add(dLat), minLongitude, minLongitude.add(dLon));
+        tileSector = levels.getSector().intersection(tileSector);
 
         return new ElevationTile(tileSector, level, key.getRow(), key.getColumn());
     }

src/gov/nasa/worldwind/util/DataConfigurationUtils.java

@@ -753,8 +753,9 @@ public static AVList getWMSLayerConfigParams(WMSCapabilities caps, String[] form
                 WMSLayerCapabilities layerCaps = caps.getLayerByName(name);
                 if (layerCaps == null)
                 {
-                    Logging.logger().warning(Logging.getMessage("WMS.LayerNameMissing", name));
-                    continue;
+                	String msg = Logging.getMessage("WMS.LayerNameMissing", name);
+                    Logging.logger().warning(msg);
+                    throw new WWRuntimeException(msg);
                 }
 
                 if (layerCaps.hasCoordinateSystem("EPSG:4326"))
@@ -903,6 +904,13 @@ public static AVList getWCSConfigParameters(WCS100Capabilities caps, WCS100Descr
             throw new IllegalArgumentException(message);
         }
 
+        if (coverage.getCoverageOfferings().size() == 0)
+        {
+        	String message = Logging.getMessage("AbsentResourceList.WCSDescribeCoverage");
+            Logging.logger().severe(message);
+            throw new IllegalArgumentException(message);
+        }
+
         if (params == null)
         {
             String message = Logging.getMessage("nullValue.ParametersIsNull");
@@ -1135,6 +1143,8 @@ protected static String makeTitle(WMSCapabilities caps, String layerNames, Strin
 
             String layerName = lNames[i];
             WMSLayerCapabilities layer = caps.getLayerByName(layerName);
+            if (layer == null) continue;		// layer not found
+
             String layerTitle = layer.getTitle();
             sb.append(layerTitle != null ? layerTitle : layerName);
 

src/gov/nasa/worldwind/util/MessageStrings.properties

@@ -743,6 +743,7 @@ AbsentResourceList.MaxTriesLessThanOne=The specified maximum number of tries is
 AbsentResourceList.CheckIntervalLessThanZero=The specified check interval is less than 0
 AbsentResourceList.RetryIntervalLessThanZero=The specified retry interval is less than 0
 AbsentResourceList.MaximumListSizeLessThanOne=The requested maximum list size is less than 1
+AbsentResourceList.WCSDescribeCoverage=No coverage offering from WCS
 
 AVAAccessibleImpl.AttributeValueForKeyIsNotAString=Attribute value for key is not a String. Key {0}
 

src/gov/nasa/worldwind/util/WWXML.java

@@ -39,6 +39,8 @@ public class WWXML
 {
     public static final String XLINK_URI = "http://www.w3.org/1999/xlink";
 
+    private static Map<XMLEventReader, InputStream> inputSources = new HashMap<XMLEventReader, InputStream>();
+
     /**
      * Create a DOM builder.
      *
@@ -170,9 +172,12 @@ public static Document openDocumentFile(String filePath, Class c)
             throw new IllegalArgumentException(message);
         }
 
-        InputStream inputStream = WWIO.openFileOrResourceStream(filePath, c);
-
-        return inputStream != null ? openDocumentStream(inputStream) : null;
+        try (InputStream inputStream = WWIO.openFileOrResourceStream(filePath, c)) {
+        	return inputStream != null ? openDocumentStream(inputStream) : null;
+        } catch (IOException e) {
+        	e.printStackTrace();
+        	return null;
+        }
     }
 
     /**
@@ -273,10 +278,7 @@ public static void saveDocumentToFile(Document doc, String filePath)
             throw new IllegalArgumentException(message);
         }
 
-        try
-        {
-            java.io.FileOutputStream outputStream = new java.io.FileOutputStream(filePath);
-
+        try (java.io.FileOutputStream outputStream = new java.io.FileOutputStream(filePath)) {
             saveDocumentToStream(doc, outputStream);
         }
         catch (IOException e)
@@ -356,7 +358,9 @@ public static XMLEventReader openEventReaderStream(InputStream inputStream, bool
 
         try
         {
-            return inputFactory.createXMLEventReader(inputStream);
+        	XMLEventReader reader = inputFactory.createXMLEventReader(inputStream);
+            inputSources.put(reader, inputStream);
+            return reader;
         }
         catch (XMLStreamException e)
         {
@@ -440,7 +444,9 @@ public static XMLEventReader openEventReaderURL(URL url, boolean isNamespaceAwar
         try
         {
             InputStream inputStream = url.openStream();
-            return openEventReaderStream(inputStream, isNamespaceAware);
+            XMLEventReader reader = openEventReaderStream(inputStream, isNamespaceAware);
+            inputSources.put(reader, inputStream);
+            return reader;
         }
         catch (IOException e)
         {
@@ -531,6 +537,15 @@ public static void closeEventReader(XMLEventReader eventReader, String name)
         try
         {
             eventReader.close();
+            InputStream is = inputSources.get(eventReader);
+            if (is != null) {
+            	try {
+					is.close();
+				} catch (IOException e) {
+					e.printStackTrace();
+				}
+            	inputSources.remove(eventReader);
+            }
         }
         catch (XMLStreamException e)
         {

src/gov/nasa/worldwindx/examples/dataimport/InstallDTED.java

@@ -148,9 +148,9 @@ protected void findDTEDFiles(File directory, ArrayList<File> files)
                 {
                     this.findDTEDFiles(file, files);
                 }
-                else if (file.getName().endsWith("dt0")
-                    || file.getName().endsWith("dt1")
-                    || file.getName().endsWith("dt2"))
+                else if (file.getName().toLowerCase().endsWith("dt0")
+                    || file.getName().toLowerCase().endsWith("dt1")
+                    || file.getName().toLowerCase().endsWith("dt2"))
                 {
                     files.add(file);
                 }

src/gov/nasa/worldwindx/examples/layermanager/ElevationModelManagerPanel.java

@@ -127,6 +127,7 @@ protected boolean isUpToDate(WorldWindow wwd)
 
         if (!(wwd.getModel().getGlobe().getElevationModel() instanceof CompoundElevationModel))
         {
+            if (this.modelPanels.size() == 0) return false;
             return this.modelPanels.get(0).getElevationModel() == wwd.getModel().getGlobe().getElevationModel();
         }
 

src/gov/nasa/worldwindx/examples/util/WCSCoveragePanel.java

@@ -100,7 +100,9 @@ protected void load()
         {
             e.printStackTrace();
             Container c = WCSCoveragePanel.this.getParent();
-            c.remove(WCSCoveragePanel.this);
+            if (c != null)
+            	c.remove(WCSCoveragePanel.this);
+
             JOptionPane.showMessageDialog((Component) wwd, "Unable to connect to server " + serverURI.toString(),
                 "Server Error", JOptionPane.ERROR_MESSAGE);
             return;
@@ -192,8 +194,10 @@ public void actionPerformed(ActionEvent actionEvent)
             // If the coverage is selected, add it to the WorldWindow's current model, else remove it from the model.
             if (((JCheckBox) actionEvent.getSource()).isSelected())
             {
-                if (this.component == null)
+                if (this.component == null) {
                     this.component = createComponent(coverageInfo.caps, coverageInfo);
+                    if (this.component == null) return;
+                }
 
                 updateComponent(this.component, true);
             }
@@ -224,8 +228,18 @@ protected CoverageInfo createCoverageInfo(WCS100Capabilities caps, WCS100Coverag
     protected void updateComponent(Object component, boolean enable)
     {
         ElevationModel model = (ElevationModel) component;
-        CompoundElevationModel compoundModel =
-            (CompoundElevationModel) this.wwd.getModel().getGlobe().getElevationModel();
+        CompoundElevationModel compoundModel;
+
+        // Guarantee that we have a compound elevation model, so additional elevation models can be added.
+        ElevationModel em = this.wwd.getModel().getGlobe().getElevationModel();
+
+        if (!(em instanceof CompoundElevationModel)) {
+        	compoundModel = new CompoundElevationModel();
+        	compoundModel.addElevationModel(em);
+        	this.wwd.getModel().getGlobe().setElevationModel(compoundModel);
+        } else {
+        	compoundModel = (CompoundElevationModel) em;
+        }
 
         if (enable)
         {