demoform.java

电子地图服务器,搭建自己的地图服务

/* Copyright (c) 2001 - 2007 TOPP - www.openplans.org. All rights reserved.
 * This code is licensed under the GPL 2.0 license, availible at the root
 * application directory.
 */
package org.vfny.geoserver.form;

import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import org.vfny.geoserver.global.GeoserverDataDirectory;
import java.io.File;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;


/**
 * DemoForm collects the list of avialable requests for the demo.
 * <p>
 * Stores the request & post for the demo page, to be used by the DemoAction.
 * </p>
 *
 * @author jgarnett, Refractions Research, Inc.
 * @author $Author: jive $ (last modification)
 * @version $Id: DemoForm.java 6326 2007-03-15 18:36:40Z jdeolive $
 */
public class DemoForm extends ActionForm {
    /**
         * Comment for <code>serialVersionUID</code>
         */
    private static final long serialVersionUID = 3978983293029005618L;

    /**
     *
     * @uml.property name="action" multiplicity="(0 1)"
     */
    private String action;

    /**
     *
     * @uml.property name="url" multiplicity="(0 1)"
     */
    private String url;

    /**
     *
     * @uml.property name="body" multiplicity="(0 1)"
     */
    private String body;

    /**
     *
     * @uml.property name="demo" multiplicity="(0 1)"
     */
    private String demo;

    /**
     *
     * @uml.property name="dir" multiplicity="(0 1)"
     */
    private File dir;

    /**
     *
     * @uml.property name="demoList"
     * @uml.associationEnd elementType="java.lang.String" multiplicity="(0 -1)"
     */
    List demoList;

    /**
     * Sets request & post based on file selection.
     *
     * @see org.apache.struts.action.ActionForm#reset(org.apache.struts.action.ActionMapping, javax.servlet.http.HttpServletRequest)
     *
     * @param arg0
     * @param request
     */
    public void reset(ActionMapping arg0, HttpServletRequest request) {
        super.reset(arg0, request);

        ServletContext context = getServlet().getServletContext();
        //DJB: changed this for geoserver_data_dir 
        // this.dir = new File(context.getRealPath("/data/demo"));
        this.dir = new File(GeoserverDataDirectory.getGeoserverDataDirectory(), "/data/demo");
        demoList = new ArrayList();
        demoList.add("");

        if (dir.exists() && dir.isDirectory()) {
            File[] files = dir.listFiles();

            for (int i = 0; i < files.length; i++) {
                File file = files[i];
                demoList.add(file.getName());
            }
        }

        Collections.sort(demoList);
    }

    /**
     *
     * Verifies that username is not null or empty.
     * Could potentially do the same for password later.
     *
     * @see org.apache.struts.action.ActionForm#validate(org.apache.struts.action.ActionMapping, javax.servlet.http.HttpServletRequest)
     *
     * @param mapping
     * @param request
     * @return
     */
    public ActionErrors validate(ActionMapping mapping, HttpServletRequest request) {
        ActionErrors errors = new ActionErrors();

        return errors;
    }

    /**
     * @return Returns the demo.
     *
     * @uml.property name="demo"
     */
    public String getDemo() {
        return demo;
    }

    /**
     * @param demo The demo to set.
     *
     * @uml.property name="demo"
     */
    public void setDemo(String demo) {
        this.demo = demo;
    }

    /**
     * @return Returns the dir.
     *
     * @uml.property name="dir"
     */
    public File getDir() {
        return dir;
    }

    /**
     * @return Returns the url.
     *
     * @uml.property name="url"
     */
    public String getUrl() {
        return url;
    }

    /**
     * @param url The url to set.
     *
     * @uml.property name="url"
     */
    public void setUrl(String url) {
        this.url = url;
    }

    /**
     * @return Returns the demoList.
     *
     * @uml.property name="demoList"
     */
    public List getDemoList() {
        return demoList;
    }

    /**
     * @return Returns the action.
     *
     * @uml.property name="action"
     */
    public String getAction() {
        return action;
    }

    /**
     * @param action The action to set.
     *
     * @uml.property name="action"
     */
    public void setAction(String action) {
        this.action = action;
    }

    /**
     * @return Returns the body.
     *
     * @uml.property name="body"
     */
    public String getBody() {
        return body;
    }

    /**
     * @param body The body to set.
     *
     * @uml.property name="body"
     */
    public void setBody(String body) {
        this.body = body;
    }
}