applicationshortcutitem.java

这是linux下ssl vpn的实现程序

/*
 *  SSL-Explorer
 *
 *  Copyright (C) 2003-2006 3SP LTD. All Rights Reserved
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version 2 of
 *  the License, or (at your option) any later version.
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public
 *  License along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
			
package com.sslexplorer.extensions;

import java.util.Iterator;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import com.sslexplorer.boot.Util;
import com.sslexplorer.core.CoreUtil;
import com.sslexplorer.core.DocumentOpenJavascriptLink;
import com.sslexplorer.navigation.RequiresSessionPasswordAbstractFavoriteItem;
import com.sslexplorer.security.SessionInfo;

/**
 * Wrapper for {@link com.sslexplorer.extensions.ApplicationShortcut} instances.
 * 
 * @author Brett Smith <a href="mailto: [e-mail]">&lt;[e-mail]&gt;</a>
 * @version $Revision: 1.9 $
 */

public class ApplicationShortcutItem extends RequiresSessionPasswordAbstractFavoriteItem {

    // Private instance variables
    private ExtensionDescriptor application;
    private int clientPort;
    private int navigationContext;

    /**
     * Constructor
     * 
     * @param application application extension descriptor
     * @param clientPort port on which VPN client is running
     * @param resource application shortcut resource
     * @param policies policies attached to resource
     */
    public ApplicationShortcutItem(ExtensionDescriptor application, int clientPort, ApplicationShortcut resource, List policies, int navigationContext, boolean requiresSessionPassword) {
        super(resource, policies, requiresSessionPassword);
        this.application = application;
        this.clientPort = clientPort;
        this.navigationContext = navigationContext;
    }

    /**
     * Set the port on which the VPN client is running or -1 if it is not
     * currently running.
     * 
     * @param clientPort VPN client port
     */
    public void setClientPort(int clientPort) {
        this.clientPort = clientPort;
    }

    /**
     * Get the port on which the VPN client is running or -1 if it is not
     * currently running.
     * 
     * @return VPN client port
     */
    public int getClientPort() {
        return clientPort;
    }

    /**
     * Get the extension descriptor of the application this shortcut requires
     * 
     * @return extension description
     */
    public ExtensionDescriptor getExtensionDescriptor() {
        return application;
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sslexplorer.navigation.FavoriteItem#getOnClick()
     */
    public String getOnClick() {
        if (this.getRequiresSessionPassword()){
            return new DocumentOpenJavascriptLink("/promptForSessionPassword.do?forwardTo=" + Util.urlEncode(prepareOnClick())).toJavascript();
        }
        else{
            return prepareOnClick();
        }
    }
    
    String prepareOnClick() {
        String onClick = ((ApplicationLauncherType) application.getExtensionType()).getOnClick(this);
        return onClick == null ? "return true" : onClick;
    }

    /**
     * Get the link used to start this application shortcut using the
     * user application shortcuts page as the referer.
     *  
     * @return link
     */
    public String getLink() {
        return getLink(navigationContext == SessionInfo.MANAGEMENT_CONSOLE_CONTEXT ?  "/showApplicationShortcuts.do?action=list" :  "/showUserApplicationShortcuts.do?action=list");
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sslexplorer.navigation.FavoriteItem#getLink(java.lang.String)
     */
    public String getLink(String referer) {
        String link = ((ApplicationLauncherType) application.getExtensionType()).getLink(this, referer);
        if(link == null) {
            return "";
        }
        if (this.getRequiresSessionPassword()){
            return "/promptForSessionPassword.do?forwardTo=" + Util.urlEncode(link);
        }
        return link;
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sslexplorer.navigation.AbstractFavoriteItem#getSmallIconPath(javax.servlet.http.HttpServletRequest)
     */
    public String getSmallIconPath(HttpServletRequest request) {
        if (application.getSmallIcon() == null) {
            return CoreUtil.getThemePath(request.getSession()) + "/images/actions/runApplication.gif";
        } else {
            return "/fs/apps/" + application.getApplicationBundle().getId() + "/" + application.getSmallIcon();
        }
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sslexplorer.navigation.AbstractFavoriteItem#getLargeIconPath(javax.servlet.http.HttpServletRequest)
     */
    public String getLargeIconPath(HttpServletRequest request) {
        if (application.getSmallIcon() == null) {
            return CoreUtil.getThemePath(request.getSession()) + "/images/actions/runApplicationLarge.gif";
        } else {
            return "/fs/apps/" + application.getApplicationBundle().getId() + "/" + application.getLargeIcon();
        }
    }

    /**
     * Get all of the parameters as encoded URL parameter string
     * 
     * @return parameters as encoded URL parameter string
     */
    public String getParameterString() {
        StringBuffer buf = new StringBuffer();
        for (Iterator i = ((ApplicationShortcut) getResource()).getParameters().entrySet().iterator(); i.hasNext();) {
            if (buf.length() > 0) {
                buf.append("&");
            }
            Map.Entry entry = (Map.Entry) i.next();
            buf.append(entry.getKey());
            buf.append("=");
            buf.append(Util.urlEncode(String.valueOf(entry.getValue())));
        }
        return buf.toString();
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sslexplorer.navigation.FavoriteItem#getName()
     */
    public String getFavoriteName() {
        return getResource().getResourceName();
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sslexplorer.navigation.AbstractFavoriteItem#getFavoriteSubType()
     */
    public String getFavoriteSubType() {
        return getExtensionDescriptor().getName();
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sslexplorer.navigation.FavoriteItem#getTarget()
     */
    public String getTarget() {
        return "_self";
    }

    /*
     * (non-Javadoc)
     * 
     * @see com.sslexplorer.table.TableItem#getColumnValue(int)
     */
    public Object getColumnValue(int col) {
        switch (col) {
            case 2:
                return application.getName();
            default:
                return super.getColumnValue(col);
        }
    }
}