Mercurial > mxd2map
view src/java/de/intevation/mxd/reader/CartoLineSymbolReader.java @ 115:fb93f20478cc
Improved exception handling for symbol reader.
author | Raimund Renkert <rrenkert@intevation.de> |
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date | Wed, 15 Jun 2011 16:48:42 +0200 |
parents | 18e4f143896b |
children | a4ab239509f1 |
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package de.intevation.mxd.reader; import java.awt.Color; import org.apache.log4j.Logger; import com.esri.arcgis.display.ISymbol; import com.esri.arcgis.display.ILineSymbol; import com.esri.arcgis.display.CartographicLineSymbol; 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 java.io.IOException; /** * Reads cartoline symbol information. * * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a> */ public class CartoLineSymbolReader extends AbstractSymbolReader { /** * The logger. */ private static final Logger logger = Logger.getLogger(CartoLineSymbolReader.class); /** * Private member. */ private CartographicLineSymbol symbol; public CartoLineSymbolReader(ISymbol symbol) throws Exception { logger.debug("contructor()"); if(symbol instanceof CartographicLineSymbol) { this.symbol = (CartographicLineSymbol)symbol; } else { throw new Exception("Not a CartographicLineSymbol!"); } } public CartoLineSymbolReader(ILineSymbol symbol) throws Exception { logger.debug("contructor()"); if(symbol instanceof CartographicLineSymbol) { this.symbol = (CartographicLineSymbol)symbol; } else { throw new Exception("Not a CartographicLineSymbol!"); } } /** * Reads the symbol attributes. * * @return The XML node. */ public Element read() { logger.debug("read()"); Element symbolElement = util.addSymbol(parent); try { symbolElement.setAttribute("name", symbol.getNameString()); } catch(IOException ioe) { logger.warn("Could not read name. Setting name to \"default\""); symbolElement.setAttribute("name", "default"); } 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())); } 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())); } } 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"); } int cap; try { cap = symbol.getCap(); } catch(IOException ioe) { logger.warn( "Could not read line cap." + " Setting line cap to \"butt\""); cap = -1; } String capStyle = "butt"; switch(cap) { case esriLineCapStyle.esriLCSRound: capStyle = "round"; break; case esriLineCapStyle.esriLCSSquare: capStyle = "square"; break; default: break; } int join; try { join = symbol.getJoin(); } catch(IOException ioe) { logger.warn( "Could not read line join." + " Setting line join to \"bevel\"."); join = -1; } 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); try { symbolElement.setAttribute( "linestart", String.valueOf(symbol.getLineStartOffset())); } catch(IOException ioe) { logger.warn( "Could not read line start offset." + " Setting line start offset to 0."); symbolElement.setAttribute("linestart", "0"); } try { symbolElement.setAttribute( "miterlimit", String.valueOf(symbol.getMiterLimit())); } catch(IOException ioe) { logger.warn( "Could not read miter limit. " + " Setting miter limit to 0."); symbolElement.setAttribute("miterlimit", "0"); } try { symbolElement.setAttribute( "offset", String.valueOf(symbol.getOffset())); } catch(IOException ioe) { logger.warn("Could not read offset. Setting offset to 0."); symbolElement.setAttribute("offset", "0"); } try { symbolElement.setAttribute( "width", String.valueOf(symbol.getWidth())); } catch(IOException ioe) { logger.warn("Could not read width. Setting width to 1."); symbolElement.setAttribute("width", "1"); } //TODO Read further attributes depending on the Mapscript functionality: // Template, MarkerSymbol, LineDecorations symbolElement.setAttribute("type", "line"); symbolElement.setAttribute("style", "carto"); return symbolElement; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :