highlightactionhandler.java

esri的ArcGIS Server超级学习模板程序（for java）

package com.esri.solutions.jitk.web.tasks.search.csw.actions;

import com.esri.adf.web.data.WebApplication;
import com.esri.adf.web.data.WebContext;
import com.esri.adf.web.data.geometry.WebGeometry;
import com.esri.adf.web.data.query.WebQuery;

import com.esri.solutions.jitk.common.metadata.BasicMetadataExporter;

import org.apache.log4j.Logger;


public class HighlightActionHandler implements IActionHandler {
    private static final Logger _logger = Logger.getLogger(HighlightActionHandler.class);
    private String _name = null;
    private WebContext _context = null;
    private WebGeometry _geometry = null;

    /**
     * Highlights the CS/W search result on the map by calling
     * {@link WebQuery#addDisplayGeometry(WebGeometry)}.
     */
    public void execute() {
        WebQuery webQuery = null;

        if (_geometry == null) {
            _logger.warn("Invalid WebGeometry - cannot highlight");

            return;
        }

        webQuery = _context.getWebQuery();

        if (!webQuery.containsDisplayGeometry(_geometry)) {
            webQuery.addDisplayGeometry(_geometry);
        }
    }

    /*
     * (non-Javadoc)
     * @see com.esri.solutions.jitk.web.tasks.search.csw.actions.IActionHandler#getActionKey()
     */
    public String getActionKey() {
        return WebApplication.getResourceString(
            "SearchAttributesTask.SearchResultContextMenuHighLight");
    }

    /*
     * (non-Javadoc)
     * @see com.esri.solutions.jitk.web.tasks.search.csw.actions.IActionHandler#getName()
     */
    public String getName() {
        return _name;
    }

    /*
     * (non-Javadoc)
     * @see com.esri.solutions.jitk.web.tasks.search.csw.actions.IActionHandler#setName(java.lang.String)
     */
    public void setName(String name) {
        _name = name;
    }

    /*
     * (non-Javadoc)
     * @see com.esri.solutions.jitk.web.tasks.search.csw.actions.IActionHandler#shouldDisplay(com.esri.solutions.jitk.common.metadata.BasicMetadataExporter)
     */
    public boolean shouldDisplay(BasicMetadataExporter exporter) {
        return true;
    }

    /*
     * (non-Javadoc)
     * @see com.esri.solutions.jitk.web.tasks.search.csw.actions.IActionHandler#setWebContext(com.esri.adf.web.data.WebContext)
     */
    public void setWebContext(WebContext context) {
        _context = context;
    }

    /*
     * (non-Javadoc)
     * @see com.esri.solutions.jitk.web.tasks.search.csw.actions.IActionHandler#setWebGeometry(com.esri.adf.web.data.geometry.WebGeometry)
     */
    public void setWebGeometry(WebGeometry geom) {
        _geometry = geom;
    }
}