diff src/java/de/intevation/mxd/reader/LineFillSymbolReader.java @ 115:fb93f20478cc

Improved exception handling for symbol reader.
author Raimund Renkert <rrenkert@intevation.de>
date Wed, 15 Jun 2011 16:48:42 +0200
parents 18e4f143896b
children a4ab239509f1
line wrap: on
line diff
--- a/src/java/de/intevation/mxd/reader/LineFillSymbolReader.java	Wed Jun 15 16:13:32 2011 +0200
+++ b/src/java/de/intevation/mxd/reader/LineFillSymbolReader.java	Wed Jun 15 16:48:42 2011 +0200
@@ -12,6 +12,7 @@
 import com.esri.arcgis.display.RgbColor;
 
 import org.w3c.dom.Element;
+import java.io.IOException;
 
 /**
  * Reads marker line symbol information.
@@ -60,68 +61,119 @@
      *
      * @return The XML node.
      */
-    public Element read()
-    throws Exception {
+    public Element read() {
         logger.debug("read()");
 
         Element symbolElement = util.addSymbol(parent);
 
-        symbolElement.setAttribute("name", symbol.getNameString());
+        try {
+            symbolElement.setAttribute("name", symbol.getNameString());
+        }
+        catch(IOException ioe) {
+            logger.warn("Could not read name. Setting name to \"default\".");
+            symbolElement.setAttribute("name", "default");
+        }
         symbolElement.setAttribute("style", "fill");
-        symbolElement.setAttribute(
-            "offset",
-            String.valueOf(symbol.getOffset()));
-        symbolElement.setAttribute(
-            "separation",
-            String.valueOf(symbol.getSeparation()));
-        symbolElement.setAttribute("angle", String.valueOf(symbol.getAngle()));
 
-        if(symbol.getColor() instanceof IRgbColor) {
-            IRgbColor color = (IRgbColor)symbol.getColor();
-            Color c = new Color (
-                color.getRed(),
-                color.getGreen(),
-                color.getBlue());
-            symbolElement.setAttribute("color", String.valueOf(c.getRGB()));
-            symbolElement.setAttribute("transparency",
-                String.valueOf(color.getTransparency()));
+        try {
+            symbolElement.setAttribute(
+                "offset",
+                String.valueOf(symbol.getOffset()));
         }
-        else {
-            RgbColor col = new RgbColor();
-            col.setRGB(symbol.getColor().getRGB());
-            Color c = new Color (
-                col.getRed(),
-                col.getGreen(),
-                col.getBlue());
-            symbolElement.setAttribute("color", String.valueOf(c.getRGB()));
-            symbolElement.setAttribute("transparency",
-                String.valueOf(col.getTransparency()));
+        catch(IOException ioe) {
+            logger.warn("Could not read offset. Setting offset to 0.");
+            symbolElement.setAttribute("offset", "0");
         }
 
-        ILineSymbol ols = symbol.getOutline();
-        LineSymbolReader olsr = new LineSymbolReader();
-        if(olsr.canRead(ols)) {
-            olsr.setSymbol(ols);
-            olsr.setUtil(util);
-            olsr.setParent(symbolElement);
-            olsr.read();
-        }
-        else {
-            logger.debug("The type of " + ols.getClass().toString() +
-                         " is not implemented!");
+        try {
+            symbolElement.setAttribute(
+                "separation",
+                String.valueOf(symbol.getSeparation()));
         }
-        ILineSymbol ls = symbol.getLineSymbol();
-        LineSymbolReader lsr = new LineSymbolReader();
-        if(lsr.canRead(ls)) {
-            symbolElement.setAttribute("hatch", "1");
-            lsr.setSymbol(ls);
-            lsr.setUtil(util);
-            lsr.setParent(symbolElement);
-            lsr.read();
+        catch(IOException ioe) {
+            logger.warn("Could not read separation. setting separation to 1.");
+            symbolElement.setAttribute("separation", "1");
         }
-        else {
-            logger.debug("The type of " + ls.getClass().toString() +
-                         " is not implemented!");
+
+        try {
+            symbolElement.setAttribute(
+                "angle",
+                String.valueOf(symbol.getAngle()));
+        }
+        catch(IOException e) {
+            logger.warn("Could not read angle. Setting angle to 0.");
+            symbolElement.setAttribute("angle", "0");
+        }
+
+        try {
+            if(symbol.getColor() instanceof IRgbColor) {
+                IRgbColor color = (IRgbColor)symbol.getColor();
+                Color c = new Color (
+                    color.getRed(),
+                    color.getGreen(),
+                    color.getBlue());
+                symbolElement.setAttribute("color", String.valueOf(c.getRGB()));
+                symbolElement.setAttribute("transparency",
+                    String.valueOf(color.getTransparency()));
+            }
+            else {
+                RgbColor col = new RgbColor();
+                col.setRGB(symbol.getColor().getRGB());
+                Color c = new Color (
+                    col.getRed(),
+                    col.getGreen(),
+                    col.getBlue());
+                symbolElement.setAttribute("color", String.valueOf(c.getRGB()));
+                symbolElement.setAttribute("transparency",
+                    String.valueOf(col.getTransparency()));
+            }
+        }
+        catch(IOException ioe) {
+            logger.warn(
+                "Could not read color." +
+                " Setting color to black with no transparency.");
+            Color black = new Color(0, 0, 0);
+            symbolElement.setAttribute(
+                "color",
+                String.valueOf(black.getRGB()));
+            symbolElement.setAttribute("transparency", "-1");
+        }
+
+        try {
+            ILineSymbol ols = symbol.getOutline();
+            LineSymbolReader olsr = new LineSymbolReader();
+            if(olsr.canRead(ols)) {
+                olsr.setSymbol(ols);
+                olsr.setUtil(util);
+                olsr.setParent(symbolElement);
+                olsr.read();
+            }
+            else {
+                logger.debug("The type of " + ols.getClass().toString() +
+                             " is not implemented!");
+            }
+        }
+        catch(Exception e) {
+            logger.warn("Could not read outline. No fallback defined.");
+        }
+
+        try {
+            ILineSymbol ls = symbol.getLineSymbol();
+            LineSymbolReader lsr = new LineSymbolReader();
+            if(lsr.canRead(ls)) {
+                symbolElement.setAttribute("hatch", "1");
+                lsr.setSymbol(ls);
+                lsr.setUtil(util);
+                lsr.setParent(symbolElement);
+                lsr.read();
+            }
+            else {
+                logger.debug("The type of " + ls.getClass().toString() +
+                             " is not implemented!");
+            }
+        }
+        catch(Exception e) {
+            logger.warn("Could not read line symbol. No fallback defined");
         }
         return parent;
     }
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