Listing Members of a Group

Listing the members of a Group.

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Java_Admin_Principal_Group_Get_List.java

The following code sample illustrates how to list all the members of a Group.

    
/*****************************************************************************************
*
*  Java_Admin_Principal_Group_Get_List.java
*
******************************************************************************************/
 
import java.util.TreeSet;
import java.util.Iterator;
import com.eruces.teadmin.*;
import com.eruces.teagent.*;
public class Java_Admin_Principal_Group_Get_List {
     
    private static final String m_strServerName = "sampleserver"; // the key server you want to connect to
    private static final int m_intPort = 8888; // the secure (SSL) connection port of the key server
    private static final String m_strAdminUser = "sadmin"; // the administrator name for the key server
    private static final String m_strAdminPass = "password1A"; // the administrator password for the key server
     
    private static final String m_strUserName = "ls"; // the user whose groups you want to list
    private static final String m_strUserType = "Native"; // the type of the user whose groups you want to list
     
    private static TEAgentConnection m_conn;
    public static void connect() throws TEAgentException // standard way of connecting
    {
        m_conn = TEAgentConnectionFactory.getInstance(TEAgentConnectionFactory.SECURE_USER_PASSWORD);
        m_conn.open(m_strServerName, m_intPort, m_strAdminUser, m_strAdminPass);
        System.out.println("Connected to " + m_strServerName + ":" + m_intPort + " as " + m_strAdminUser + ".");
    }
    public static void disconnect() throws TEAgentException // standard way of disconnecting
    {
        m_conn.close();
        System.out.println("Disconnected from " + m_strServerName + ":" + m_intPort + " as " + m_strAdminUser + ".");
    }
     
    public static void getGroupList() throws TEAgentException, AdminException, Exception
    {
        Administration admin = new Administration();
        admin.attachConnection(m_conn);
        // Get the native user whose name is specified in the member constants above.
        PrincipalInfo principal = null;
         
        if (m_strUserType.compareTo("Native") == 0) {
         
            principal = new UserAndPasswordInfo();
                 
            ((UserAndPasswordInfo)principal).setUserName(m_strUserName);
            principal = admin.getPrincipal(principal);
             
            System.out.print("Principal: ");
            System.out.println(((UserAndPasswordInfo)principal).getUserName());
        }
        else if (m_strUserType.compareTo("Windows") == 0) {
             
            principal = new WindowsPrincipalInfo();
             
            ((WindowsPrincipalInfo)principal).setUserName(m_strUserName);
            principal = admin.getPrincipal(principal);
             
            System.out.print("Principal: ");
            System.out.println(((WindowsPrincipalInfo)principal).getUserName());
        }
        else if (m_strUserType.compareTo("LDAP") == 0) {
             
            principal = new LdapPrincipalInfo();
             
            ((LdapPrincipalInfo)principal).setName(m_strUserName);
            principal = admin.getPrincipal(principal);
             
            System.out.print("Principal: ");
            System.out.println(((LdapPrincipalInfo)principal).getName());
        }
        else if (m_strUserType.compareTo("Unix") == 0) {
             
            principal = new UnixPrincipalInfo();
             
            ((UnixPrincipalInfo)principal).setName(m_strUserName);
            principal = admin.getPrincipal(principal);
             
            System.out.print("Principal: ");
            System.out.println(((UnixPrincipalInfo)principal).getName());
        }
         
        // Get a list of groups that the principal is a member of.
        PList groupIDs = principal.getGroupIDs();
        TreeSet<?> groupSet = groupIDs.getAllElements();
        Iterator<?> iter = groupSet.iterator();
        while (iter.hasNext()) { // Iterate through all the groups in the list.
            PAny panyID = (PAny)iter.next();
             
            // First construct an empty 'GroupInfo' object. Then use 'setPrincipalID()' to fill out the ID
            // number field of that object. Now pass that incomplete 'GroupInfo' object to the 'getPrincipal()' function,
            // which searches the key service for the group matching the ID that was provided. Once found,
            // the remaining fields of the 'GroupInfo' are filled and the object returned.  Note that a generic
            // 'PrincipalInfo' object is returned, which then is cast into the child 'GroupInfo' class.
            GroupInfo group = new GroupInfo();
            group.setPrincipalID(panyID.getLong());
            group = (GroupInfo)admin.getPrincipal(group);
             
            String groupName = group.getPrincipalName(); // Get the name of the group from the 'GroupInfo' object.
             
            System.out.println(groupName);
        }
        admin.detachConnection();
    }
    public static void main(String[] args)
    {
        try {
            connect(); // Establish a connection to the key server.
            System.out.println("");
            getGroupList();
            System.out.println("");
            disconnect(); // Disconnect from the key server.
        }
        catch (Exception ex) {
            System.out.println("Exception encountered: ");
            ex.printStackTrace();
        }
    }
}
//Output
//Connected to sampleserver:8888 as sadmin.
// 
//Principal: ls
//ALPHA
//BRAVO
//CHARLIE
//DELTA
//ECHO
// 
//Disconnected from sampleserver:8888 as sadmin.