wfstocfunctionality.java

esri的ArcGIS Server超级学习模板程序（for java）

package com.esri.solutions.jitk.web.wfs.data;

import java.util.List;

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

import com.esri.adf.web.data.GISResource;
import com.esri.adf.web.data.TocFunctionality;
import com.esri.adf.web.data.TocNode;

public class WFSTocFunctionality implements TocFunctionality {
	private static final Logger _logger = LogManager.getLogger(WFSTocFunctionality.class);
	protected WFSMapResource _wfsResource = null;
	
	public void createTocHierarchy(TocNode parentNode) {
		_logger.debug("Creating TOC Hierarchy");
		
		if (parentNode == null) {
			_logger.error("parentNode passed from ADF as null");
		}
		else {
			if (_wfsResource != null) {
				List<WFSWebLayerInfo> layers = _wfsResource.getLayers();

				for (WFSWebLayerInfo layer : layers) {
					parentNode.addChild(new WFSTocLayerContent(layer.getName()));
				}
			}
			else {
				_logger.error("_wfsResource is null");
			}
		}
	}
	
	public void destroyFunctionality() {
		_logger.debug("Destroying functionality");
	}
	
	public void initFunctionality(GISResource resource) {
		_wfsResource = null;
		_logger.debug("Initializing TOC functionality with GISResource");
		
		if (resource != null) {
			if (resource instanceof WFSMapResource) {
				_wfsResource = (WFSMapResource) resource;
			}
			else {
				_logger.error("Initialized with non-WfsMapResource");
			}
		}
		else {
			_logger.error("Initialized with null GISResource");
		}
	}
	
	public GISResource getResource() {
		return _wfsResource;
	}
}