org.kotemaru.browser.ActionBrowserFrame.java Source code

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Here is the source code for org.kotemaru.browser.ActionBrowserFrame.java

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/*******************************************************************************
 * Apache License, Version 2.0 (http://www.apache.org/licenses/LICENSE-2.0)
 * Copyright (c) 2011- kotemaru@kotemaru.org
 ******************************************************************************/
package org.kotemaru.browser;

import org.kotemaru.util.IOUtil;
import java.net.URI;
import java.net.URLDecoder;

import org.apache.commons.beanutils.BeanUtils;

/**
BrowserFrame???StrutsAction
????????
<li>http://action/ ??URL????
    
@author kotemaru@kotemaru.org
*/
public class ActionBrowserFrame extends BrowserFrame {
    static final String ACTION_PREFIX = "http://action/";

    /** Action???*/
    private String basePkg;

    /** 
     * 
     * <li>Velocity???Action????
     * @param title Window?
     * @param pkg   Action???
     */
    public ActionBrowserFrame(String title, String pkg) {
        super(title);
        basePkg = pkg;
        setHome(ACTION_PREFIX + "Main");
    }

    /** 
     * ??URL?
     * <li>about: ???
     * @param url  ?URL
     * @return true=??fale=??
     */
    public boolean isAllowUrl(String url) {
        return url.startsWith("about:");
    }

    /** 
     * Action?URL?
     * <li>http://action/ ??URL?Action
     * @param url  ?URL
     * @return true=Action
     */
    public boolean isApplicationUrl(String url) {
        return url.startsWith(ACTION_PREFIX);
    }

    /** 
     * Action?URL?
     * <li>.??????????
     * <li>???Action?
     * @param urlStr  URL
     */
    public void doApplicationUrl(String urlStr) throws Exception {
        URI uri = new URI(urlStr);
        String name = uri.getPath();
        if (name.indexOf('.') == -1) {
            doAction(uri);
        } else {
            String html = IOUtil.getResource(this.getClass(), name);
            browser.setText(html);
        }
    }

    /** 
     * Action?
     * <li>URL?? Action ??????
     * <li>Action???
     * <li>Action?setter??
     * <li>Action ? execute() ??
     * <li>? RedirectResult ????URL??
     * <li>? RedirectResult ?HTML????
     * @param uri  Action URI
     */
    protected void doAction(URI uri) throws Exception {
        String name = uri.getPath();
        String cname = basePkg + name.replace('/', '.') + "Action";
        Class cls = Class.forName(cname);
        Action action = (Action) cls.newInstance();
        action.postBrowserFrame(this);
        copyQuery(uri, action);
        Result navi = action.execute();
        if (navi == null)
            return;
        if (navi instanceof RedirectResult) {
            browser.setUrl(navi.getResource());
        } else {
            browser.setText(navi.getHtml());
        }
    }

    /** 
     * ?
     * <li>BeanUtils ??
     * <li>?????
     * <li>? UTF8 ?
     * @param uri  Action URI
     * @param action Action
     */
    protected void copyQuery(URI uri, Action action) throws Exception {
        String query = uri.getQuery();
        if (query == null)
            return;
        String[] params = query.split("&");
        for (int i = 0; i < params.length; i++) {
            String[] kv = params[i].split("=");
            String key = kv[0];
            if (kv.length == 2) {
                String val = URLDecoder.decode(kv[1], "UTF-8");
                BeanUtils.setProperty(action, key, val);
            } else if (params[i].indexOf('=') >= 0) {
                BeanUtils.setProperty(action, key, "");
            }
        }
    }
}