refreshableresourcemap.java

esri的ArcGIS Server超级学习模板程序（for java）

package com.esri.solutions.jitk.web.tasks.preferences.refreshrate;

import java.util.Iterator;
import java.util.LinkedHashMap;

import com.esri.adf.web.data.GISFunctionality;
import com.esri.adf.web.data.GISResource;
import com.esri.adf.web.data.WebContext;
import com.esri.adf.web.data.graphics.GraphicsResource;

public class RefreshableResourceMap extends LinkedHashMap<String, String> {
	private static final long serialVersionUID = -7772874901619220409L;
	protected WebContext _webContext;
	
	public RefreshableResourceMap(WebContext webContext) {	
		_webContext = webContext;
		
		load();
	}
	
	public void load() {
		this.clear();
		
		LinkedHashMap<String, GISResource> resources = (LinkedHashMap<String, GISResource>) _webContext.getResources();				
		GISResource gisResource;
		
		for (Iterator<String> iter = resources.keySet().iterator(); iter.hasNext();) {
        	String id = (String) iter.next();
        	gisResource = resources.get(id);
        	
        	if (gisResource instanceof GraphicsResource) {
        		continue;
        	}
        	
        	GISFunctionality gisFunc = gisResource.getFunctionality("map");
        	
        	if (gisFunc != null) {
        		String name = gisResource.getAlias();
        		this.put(name, name);
        	}
        }			
	}
}