socketpermissionhandler.java

一个工作流设计及定义的系统,可以直接与数据库结合进行系统工作流程的定义及应用.

/*
 * Copyright (c) 2005, John Mettraux, OpenWFE.org
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are met:
 * 
 * . Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.  
 * 
 * . Redistributions in binary form must reproduce the above copyright notice, 
 *   this list of conditions and the following disclaimer in the documentation 
 *   and/or other materials provided with the distribution.
 * 
 * . Neither the name of the "OpenWFE" nor the names of its contributors may be
 *   used to endorse or promote products derived from this software without
 *   specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * $Id: SocketPermissionHandler.java,v 1.7 2005/05/17 16:41:00 jmettraux Exp $
 */

//
// SocketPermissionHandler.java
//
// [e-mail]
//
// generated with 
// jtmpl 1.0.04 31.10.2002 John Mettraux ([e-mail])
//

package openwfe.org.uman.web;

import java.net.SocketPermission;
import javax.servlet.http.HttpServletRequest;


/**
 * no comment
 *
 * <p><font size=2>CVS Info :
 * <br>$Author: jmettraux $
 * <br>$Date: 2005/05/17 16:41:00 $
 * <br>$Id: SocketPermissionHandler.java,v 1.7 2005/05/17 16:41:00 jmettraux Exp $ </font>
 *
 * @author [e-mail]
 */
public class SocketPermissionHandler

    implements Handler

{

    public final static String HOST
        = "host";
    public final static String ACTIONS
        = "actions";

    //
    // FIELDS

    //
    // CONSTRUCTORS

    //
    // METHODS from Handler

    public Object updateFromRequest (Object object, HttpServletRequest req)
        throws WumanException
    {
        /*
        String host = req.getParameter(HANDLER_PREFIX + HOST);
        String actions = req.getParameter(HANDLER_PREFIX + ACTIONS);
        */

        String host = null;
        String actions = null;

        FieldSet fs = FieldSet.getFieldSet(req);

        java.util.Iterator it = fs.getFields().iterator();
        while (it.hasNext())
        {
            Field f = (Field)it.next();
            String value = (String)f.parseRequestValues(req);

            if (f.getName().equals(HOST)) 
                host = value;
            else if (f.getName().equals(ACTIONS)) 
                actions = value;
        }

        return new SocketPermission(host, actions);
    }

    public void loadInRequest (Object object, HttpServletRequest req)
        throws WumanException
    {
        SocketPermission sp = null;
        if (object == null || object instanceof String) // new permission
            sp = new SocketPermission("host.or.ip", "connect, resolve");
        else
            sp = (SocketPermission)object;

        java.util.Map hostInitParams = new java.util.HashMap(0);
        hostInitParams.put
            (Field.VALUE, sp.getName());

        java.util.Map actionsInitParams = new java.util.HashMap(0);
        actionsInitParams.put
            (Field.VALUE, 
             sp.getActions());
        actionsInitParams.put
            (MultipleChoiceField.EXCLUSIVE, 
             "false");
        actionsInitParams.put
            (MultipleChoiceField.CHOICES, 
             new String[] { "accept", "connect", "listen", "resolve" });

        FieldSet fs = new FieldSet
            (SocketPermission.class.getName(), 
             new Field[] 
                { new StringField(HOST, hostInitParams), 
                  new MultipleChoiceField(ACTIONS, actionsInitParams) });

        FieldSet.setFieldSet(req, fs);
    }

    //
    // METHODS

}