standaloneusereditor.java

这是一个用java和xml编写的流媒体服务器管理软件

/*
 * ====================================================================
 * The Vovida Software License, Version 1.0
 *
 * Copyright (c) 2000 Vovida Networks, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *
 * 2. 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.
 *
 * 3. The names "VOCAL", "Vovida Open Communication Application Library",
 * and "Vovida Open Communication Application Library (VOCAL)" must
 * not be used to endorse or promote products derived from this
 * software without prior written permission. For written
 * permission, please contact [e-mail].
 *
 * 4. Products derived from this software may not be called "VOCAL", nor
 * may "VOCAL" appear in their name, without prior written
 * permission of Vovida Networks, Inc.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND
 * NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL VOVIDA
 * NETWORKS, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT DAMAGES
 * IN EXCESS OF $1,000, NOR FOR ANY 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.
 *
 * ====================================================================
 *
 * This software consists of voluntary contributions made by Vovida
 * Networks, Inc. and many individuals on behalf of Vovida Networks,
 * Inc.  For more information on Vovida Networks, Inc., please see
 * <http://www.vovida.org/>.
 *
 */

package vocal.userEditor;

import vocal.comm.VPPTransactionWrapper;

import javax.swing.*;

import java.net.ConnectException;

import org.w3c.dom.Document;

import java.util.Vector;

import java.io.IOException;

public class StandaloneUserEditor extends JPanel
{
  UserPanel uPanel;
  AccreditAdd aPanel;

  PServerInterface psInterface;
  PServerAccrInterface psAccrInterface;

  private Vector currentUser = null;


  public StandaloneUserEditor(VPPTransactionWrapper conn) throws Exception
  {
    this.setLayout(new BoxLayout(this, BoxLayout.X_AXIS));

    psInterface = new PServerInterface(conn);
    psAccrInterface = new PServerAccrInterface(conn);

    try
    {
      uPanel = new UserPanel(psInterface);
      aPanel = new AccreditAdd(psAccrInterface,4);
    }
    catch (IOException e)
    {
      System.out.println("Could not create user panel");
      e.printStackTrace();
      JOptionPane.showMessageDialog(this,
              e.getMessage() + "Could not create editor screen ", "Error",
              JOptionPane.ERROR_MESSAGE);

      throw e;
    }

    uPanel.setShowAdmin(false);
    uPanel.setShowUser(true);
    uPanel.setMode(UserPanel.EDIT_EXISTING_MODE);

    add(uPanel);
    
    aPanel.setShowAdmin(false);
    aPanel.setShowUser(true);
    aPanel.setMode(AccreditAdd.EDIT_EXISTING_MODE);

    add(aPanel);
  }

  public void setUser(String userName) throws Exception
  {
    uPanel.clear();

    try
    {
      Document dom = psInterface.getUserNamed(userName);

      currentUser = UserTableModel.convertUserToVector(dom);
    }
    catch (Exception e)
    {
      System.out.println("Could not load user " + userName);
      e.printStackTrace();
      JOptionPane.showMessageDialog(this,
              "Could not load user data for user " + userName + ". "
              + e.getMessage(), "Error", JOptionPane.ERROR_MESSAGE);

      throw e;
    }

    uPanel.setUserData(currentUser);
  }

  public void writeBack()
  {
    Vector changes = uPanel.getUserData();

    // get user data should return values for only the fields that were changed
    // the rest of them will be returned as null and need to be gotten form the
    // user configuration loaded from xml
    for (int i = 0; i < changes.size(); i++)
    {
      if (changes.elementAt(i) != null)
      {
        currentUser.setElementAt(changes.elementAt(i), i);
      }
    }

    // now need to write back the alias files
    String aliases = (String) currentUser.elementAt(UserTableModel.ALIASES);

    while (aliases.length() > 0)
    {
      String alias = aliases.substring(0, aliases.indexOf(";"));

      aliases = aliases.substring(aliases.indexOf(";") + 1);

      String userName =
        (String) currentUser.elementAt(UserTableModel.USER_NAME);

      if (!psInterface.saveAlias(alias, userName))
      {

        // could not save this alias because it is not unique
        // remove it from the list of aliases in the vector for this user
        // since it is not a valid alias
        String aliasList = UserTableModel.removeAliasFromList(alias,
                (String) currentUser.elementAt(UserTableModel.ALIASES));

        currentUser.setElementAt(aliasList, UserTableModel.ALIASES);

        // complain
        JOptionPane.showMessageDialog(null,
                "Could not create alias " + alias + " for user " + userName
                + " because the alias is not unique.");
      }
    }   // end for all aliases

    Document dom = UserTableModel.convertUserToDocument(currentUser);

    psInterface.saveUser((String) currentUser.elementAt(UserTableModel.USER_NAME),
            dom);

    try
    {
      Writer.writeCpl(currentUser,psInterface);
    }
    catch (Exception ex)
    {
        // complain
        JOptionPane.showMessageDialog(null,
                "Could not create CPL for user " + currentUser.elementAt(UserTableModel.USER_NAME)
                 + " because " + ex.getMessage());
    }

    try
    {
      Writer.writeContactList(currentUser,psInterface);
    }
    catch (Exception ex)
    {
        // complain
        JOptionPane.showMessageDialog(null,
                "Could not create contact list for user "
                 + currentUser.elementAt(UserTableModel.USER_NAME)
                 + " because " + ex.getMessage());
    }
  }

  public int getLastButtonClicked()
  {
    return uPanel.getLastButtonClicked();
  }

}