resultproducingtask.java

esri的ArcGIS Server超级学习模板程序（for java）

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

import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

import org.apache.log4j.Logger;

import com.esri.adf.web.data.WebApplication;
import com.esri.adf.web.data.WebContext;
import com.esri.adf.web.data.query.QueryResult;
import com.esri.solutions.jitk.web.data.results.highlight.IResultHighlighter;
import com.esri.solutions.jitk.web.data.results.highlight.WebQuerySymbolsResultHighlighter;

public class ResultProducingTask extends GraphicsDrawingTask {
	private static final long serialVersionUID = 1172644150576093748L;
	private static final Logger _logger = Logger.getLogger(ResultProducingTask.class);
    protected Map<String, String> _actions = null;
    protected IResultHighlighter _highlighter = null;

    public ResultProducingTask() {
        _actions = new LinkedHashMap<String, String>();
        _actions.put(WebApplication.getResourceString("SearchAttributesTask.SearchResultContextMenuZoom"), "zoom");
        _actions.put(WebApplication.getResourceString("SearchAttributesTask.SearchResultContextMenuHighLight"), "highlight");
        _actions.put(WebApplication.getResourceString("SearchAttributesTask.SearchResultContextMenuClearHighLight"), "clearGraphic");
    }

    public void setWebContext(WebContext webContext) {
        super.setContext(webContext);
    }

    public Map<String, String> getActions() {
        return _actions;
    }

    public void setResultHighlighter(IResultHighlighter highlighter) {
        _highlighter = highlighter;
    }

    public void highlightResults(List<QueryResult> results) {
        if (results == null) {
            throw new NullPointerException("Results cannot be null");
        }

        if (_highlighter == null) {
            _logger.info("No result highlighter configured, configuring WebQuerySymbolsResultHighlighter result highlighter");
            _highlighter = new WebQuerySymbolsResultHighlighter();
        }

        _highlighter.highlightResults(results);
    }
}