/*
* IzPack - Copyright 2001-2008 Julien Ponge, All Rights Reserved.
*
* http://izpack.org/
* http://izpack.codehaus.org/
*
* Copyright 2006 Marc Eppelmann@reddot.de
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.izforge.izpack.util.os.unix;
import com.izforge.izpack.util.StringTool;
import java.io.File;
import java.util.ArrayList;
/**
* Unix Users Collection Class and related static Helper Methods
*
* @author marc.eppelmann@reddot.de
*/
public class UnixUsers extends ArrayList
{
// ~ Static fields/initializers *********************************************************
/**
* serialVersionUID = -4804842346742194981L;
*/
private static final long serialVersionUID = -4804842346742194981L;
// ~ Constructors ***********************************************************************
/**
* Creates a new UnixUsers object.
*/
public UnixUsers()
{
fromUsersArrayList(getEtcPasswdUsersAsArrayList());
fromUsersArrayList(getYpPasswdUsersAsArrayList());
}
// ~ Methods ****************************************************************************
/**
* Gets all known users with valid shells
*
* @return an UnixUsers arraylist of these users
*/
public ArrayList<UnixUser> getUsersWithValidShells()
{
ArrayList<UnixUser> result = new ArrayList<UnixUser>();
for (int idx = 0; idx < size(); idx++)
{
UnixUser user = (UnixUser) get(idx);
if ((user.getShell() != null) && user.getShell().trim().endsWith("sh"))
{
result.add(user);
}
}
return result;
}
/**
* Gets all known users with valid shells and really existing (not dummy) Homefolders.
*
* @return an UnixUsers Arraylist of these users
*/
public ArrayList<UnixUser> getUsersWithValidShellsAndExistingHomes()
{
ArrayList<UnixUser> result = new ArrayList<UnixUser>();
ArrayList<UnixUser> usersWithValidShells = getUsersWithValidShells();
for (int idx = 0; idx < usersWithValidShells.size(); idx++)
{
UnixUser user = usersWithValidShells.get(idx);
if ((user.getHome() != null) && new File(user.getHome().trim()).exists())
{
result.add(user);
}
}
return result;
}
/**
* Gets all known users with valid shells and really existing (not dummy) Home And!
* freedesktop.org/RFC-based "Desktop" folders.
*
* @return an UnixUsers Arraylist of these users
*/
public ArrayList _getUsersWithValidShellsExistingHomesAndDesktops()
{
ArrayList result = new ArrayList();
ArrayList<UnixUser> usersWithValidShellsAndExistingHomes = getUsersWithValidShellsAndExistingHomes();
for (int idx = 0; idx < usersWithValidShellsAndExistingHomes.size(); idx++)
{
UnixUser user = usersWithValidShellsAndExistingHomes.get(idx);
if ((user.getHome() != null)
&& new File( user.getXdgDesktopfolder() ).exists())
{
result.add(user);
}
}
return result;
}
/**
* An StringArray of the existing Desktop folders of all valid users.
*
* @return the Stringlist of ValidUsersDesktopFolders
*/
public ArrayList<String> getValidUsersDesktopFolders()
{
ArrayList<String> result = new ArrayList<String>();
ArrayList validUserDesktops = getUsersWithValidShellsExistingHomesAndDesktops();
for (int idx = 0; idx < validUserDesktops.size(); idx++)
{
UnixUser user = (UnixUser) validUserDesktops.get(idx);
if (user.getHome() != null)
{
File DesktopFolder = new File( user.getXdgDesktopfolder() );
if (DesktopFolder.exists() && DesktopFolder.isDirectory())
{
result.add(DesktopFolder.toString());
}
}
}
return result;
}
/**
* Gets all known users with valid shells and really existing (not dummy) Home And!
* freedesktop.org/RFC-based "Desktop" folders.
*
* @return an UnixUsers Arraylist of these users
*/
public static ArrayList getUsersWithValidShellsExistingHomesAndDesktops()
{
UnixUsers users = new UnixUsers();
return users._getUsersWithValidShellsExistingHomesAndDesktops();
}
/**
* Builds the internal Array from the given UsersArrayList
*
* @param anUsersArrayList an Users ArrayList reded from /etc/passwd
*/
private void fromUsersArrayList(ArrayList<String> anUsersArrayList)
{
for (int idx = 0; idx < anUsersArrayList.size(); idx++)
{
add(new UnixUser().fromEtcPasswdLine(anUsersArrayList.get(idx)));
}
}
/**
* Gets all Users from /etc/passwd as StringList
*
* @return the UserNames extracted from the getEtcPasswdArray()
*/
public static ArrayList<String> getEtcPasswdUsersAsArrayList()
{
ArrayList<String> result = new ArrayList<String>();
ArrayList<String> etcPasswdArray = UnixHelper.getEtcPasswdArray();
for (int idx = 0; idx < etcPasswdArray.size(); idx++)
{
String line = etcPasswdArray.get(idx);
result.add(line);
}
return result;
}
/**
* Gets all Users from /etc/passwd as StringList
*
* @return the UserNames extracted from the getEtcPasswdArray()
*/
public static ArrayList<String> getYpPasswdUsersAsArrayList()
{
return UnixHelper.getYpPasswdArray();
}
/**
* Returns all Users as ColonSeparated String
*
* @return "asterisk:at:avahi:beagleindex:bin:daemon:dhcpd:ftp:games:gdm:haldaemon:icecream:irc:ldap:lp:mail:mailman:man:...."
*/
public static String getUsersColonString()
{
ArrayList<String> usersArrayList = getEtcPasswdUsersAsArrayList();
String retValue = "";
for (int user = 0; user < usersArrayList.size(); user++)
{
String userline = usersArrayList.get(user);
retValue += (userline.substring(0, userline.indexOf(":")) + ":");
}
if (retValue.endsWith(":"))
{
retValue = retValue.substring(0, retValue.length() - 1);
}
return retValue;
}
/**
* Test main Method
*
* @param args from Commandline
*/
public static void main(String[] args)
{
System.out.println("UnixUsers:");
UnixUsers users = new UnixUsers();
// users.fromUsersArrayList();
for (int idx = 0; idx < users.size(); idx++)
{
System.out.println(((UnixUser) users.get(idx)).getName());
}
System.out.println(StringTool
.stringArrayListToString(getUsersWithValidShellsExistingHomesAndDesktops()));
// getUsersWithValidShellsAndExistingHomes();
}
}