diff src/java/de/intevation/mxd/reader/CartoLineSymbolReader.java @ 65:9fca9e09b966

Added cartographic line symbol reader.
author Raimund Renkert <rrenkert@intevation.de>
date Wed, 25 May 2011 14:11:48 +0200
parents
children 5ed9e720b6cd
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java/de/intevation/mxd/reader/CartoLineSymbolReader.java	Wed May 25 14:11:48 2011 +0200
@@ -0,0 +1,140 @@
+package de.intevation.mxd.reader;
+
+import java.io.IOException;
+
+import java.awt.Color;
+
+import org.apache.log4j.Logger;
+
+import com.esri.arcgis.display.ISymbol;
+import com.esri.arcgis.display.CartographicLineSymbol;
+import com.esri.arcgis.display.esriSimpleLineStyle;
+import com.esri.arcgis.display.IRgbColor;
+import com.esri.arcgis.display.RgbColor;
+
+import com.esri.arcgis.display.esriLineCapStyle;
+import com.esri.arcgis.display.esriLineJoinStyle;
+
+import org.w3c.dom.Element;
+import de.intevation.mxd.utils.MapToXMLUtils;
+
+/**
+ * Reads cartoline symbol information.
+ *
+ * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
+ */
+public class CartoLineSymbolReader implements ISymbolReader{
+
+    /**
+     * The logger.
+     */
+    private static final Logger logger =
+        Logger.getLogger(CartoLineSymbolReader.class);
+
+    /**
+     * Private member.
+     */
+    private Element renderer;
+    private CartographicLineSymbol symbol;
+    private MapToXMLUtils util;
+
+
+    public CartoLineSymbolReader(ISymbol symbol)
+    throws Exception {
+        logger.debug("contructor()");
+        if(symbol instanceof CartographicLineSymbol) {
+            this.symbol = (CartographicLineSymbol)symbol;
+        }
+        else {
+            throw new Exception("Not a CartographicLineSymbol!");
+        }
+    }
+
+    /**
+     * Setter for the parent XML element.
+     *
+     * @param parent The XML parent node.
+     */
+    public void setParent(Element parent) {
+        this.renderer = parent;
+    }
+
+    /**
+     * Setter for XML document helper.
+     *
+     * @param util The helper class for storing map information.
+     */
+    public void setUtil(MapToXMLUtils util) {
+        this.util = util;
+    }
+
+    /**
+     * Reads the symbol attributes.
+     *
+     * @return The XML node.
+     */
+    public Element read()
+    throws IOException {
+        logger.debug("read()");
+        Element symbolElement;
+        try {
+            symbolElement = util.addSymbol(renderer);
+        }
+        catch(Exception e) {
+            e.printStackTrace();
+            return null;
+        }
+
+        symbolElement.setAttribute("name", symbol.getNameString());
+        symbolElement.setAttribute("style", "line");
+        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()));
+        }
+        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()));
+        }
+        int cap = symbol.getCap();
+        String capStyle = "butt";
+        switch(cap) {
+            case esriLineCapStyle.esriLCSRound: capStyle = "round"; break;
+            case esriLineCapStyle.esriLCSSquare: capStyle = "square"; break;
+            default: break;
+        }
+        int join = symbol.getJoin();
+        String joinStyle = "bevel";
+        switch(join) {
+            case esriLineJoinStyle.esriLJSRound: joinStyle = "round"; break;
+            case esriLineJoinStyle.esriLJSMitre: joinStyle = "miter"; break;
+            default: break;
+        }
+        symbolElement.setAttribute("cap", capStyle);
+        symbolElement.setAttribute("join", joinStyle);
+        symbolElement.setAttribute(
+            "linestart",
+            String.valueOf(symbol.getLineStartOffset()));
+        symbolElement.setAttribute(
+            "miterlimit",
+            String.valueOf(symbol.getMiterLimit()));
+        symbolElement.setAttribute(
+            "offset",
+            String.valueOf(symbol.getOffset()));
+        symbolElement.setAttribute("width", String.valueOf(symbol.getWidth()));
+
+        //TODO Read further attributes depending on the Mapscript functionality:
+        //     Template, MarkerSymbol, LineDecorations
+
+        return symbolElement;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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