graphicsresourcegeinserter.java

esri的ArcGIS Server超级学习模板程序（for java）

package com.esri.solutions.jitk.data.svg.importer;

import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;

import com.esri.adf.web.data.GraphicElement;
import com.esri.adf.web.data.WebContext;
import com.esri.adf.web.data.graphics.GraphicsResource;
import com.esri.solutions.jitk.web.data.graphics.MultiGeometryGraphicsResource;

public class GraphicsResourceGEInserter extends WebGraphicsGEInserter {
	
	private static final Logger _logger = LogManager.getLogger(GraphicsResourceGEInserter.class);
	protected MultiGeometryGraphicsResource mgResource = null;
	
	public void setGraphicsResourceKey(String resourceKey) {
		
		if(mgResource == null) {
			WebContext context = getContext();
			
			if(context == null)
				_logger.error("Setting GraphicsResource key failed in GraphicsResourceGEInserter class. WebContext is null.");
			else
				try {
					mgResource = new MultiGeometryGraphicsResource((GraphicsResource) context.getResourceById(resourceKey));
				} catch(NullPointerException ex) { _logger.error("Setting GraphicsResource key failed in GraphicsResourceGEInserter class. See log for more detailes..."); }
		}
	}
	
	public void addGraphics(GraphicElement element) {
		
		if(element == null)
			_logger.error("GraphicElement object can not be inserted because it is null.");
		else
			mgResource.addGraphicFeature(element.getGeometry(), element.getSymbol());
	}
}