LDAPConnector


1   package org.jahia.tools.migration;
2   
3   import org.w3c.dom.Element  ;
4   import org.w3c.dom.NodeList  ;
5   
6   import javax.naming.NamingException  ;
7   import javax.naming.directory.InitialDirContext  ;
8   
9   import org.jahia.services.usermanager.ServerBean;
10  
11  /**
12   * This class will handle the connection to the LDAP provider to migrate
13   *
14   * @author PELTIER Olivier
15   * @version 1.0
16   */
17  public class LDAPConnector {
18  
19      private static org.apache.log4j.Logger logger =
20              org.apache.log4j.Logger.getLogger (LDAPConnector.class);
21              
22      // Strings to get parameters from xml Element
23      private static final String   LDAP_SERVER_ROOT_TAG = "ldap-server";
24      private static final String   LDAP_SERVER_URL_TAG = "url";
25      private static final String   LDAP_SERVER_BASE_DN = "base-dn";
26      private static final String   LDAP_SERVER_USERNAME_TAG = "username";
27      private static final String   LDAP_SERVER_PASSWORD_TAG = "password";
28      private static final String   LDAP_SERVER_FACTORY_TAG = "factory";
29      private static final String   LDAP_SERVER_AUTH_MODE_TAG = "authentication-mode";
30      private static final String   LDAP_SERVER_DESTINATION_TAG = "provider-destination";
31      private static final String   LDAP_SERVER_PRIORITY_TAG = "priority";
32      private static final String   LDAP_SERVER_MAX_RECONN_TAG = "max-reconnection";
33      private static final String   LDAP_SERVER_REFERRAL = "referral";
34      
35      // the internal server to acces LDAP
36      private ServerBean server;
37      private String   baseDn;
38      
39      // initilization status
40      private boolean initialized = false;
41      
42      /**
43       * Default Constructor.
44       */
45      public LDAPConnector(Element   rootElement) {
46          try {
47              initialized = init(rootElement);
48          } catch (Exception   e) {}
49      }
50      
51      /**
52       * Return the initalization status.
53       *
54       * @return boolean.
55       */
56      public boolean isInitialized() {
57          return initialized;
58      }
59      
60      private boolean init(Element   rootElement) throws Exception   {
61          logger.info("intialization started");
62          boolean result = false;
63          
64          NodeList   serversList = rootElement.getElementsByTagName (LDAP_SERVER_ROOT_TAG);
65  
66          if (serversList.getLength () != 1) 
67              result = false; 
68          else {
69              server = getServerFromDOM((Element  )serversList.item(0));
70              result = true;
71          }
72          
73          logger.info("intialization ended");
74          return result;
75      }
76      
77      private ServerBean getServerFromDOM (Element   element) throws Exception   {
78          String   provider     = XMLUtility.getElementValue (LDAP_SERVER_DESTINATION_TAG, element);
79          String   priority     = XMLUtility.getElementValue (LDAP_SERVER_PRIORITY_TAG, element);
80          String   maxreconn    = XMLUtility.getElementValue (LDAP_SERVER_MAX_RECONN_TAG, element);
81          ServerBean result = new ServerBean(priority, provider, maxreconn);
82          
83          result.setFactoryName(XMLUtility.getElementValue (LDAP_SERVER_FACTORY_TAG, element));
84          result.setServerUrl(XMLUtility.getElementValue (LDAP_SERVER_URL_TAG, element));
85          result.setUserName(XMLUtility.getElementValue (LDAP_SERVER_USERNAME_TAG, element));
86          result.setAuthenticationMode(XMLUtility.getElementValue (LDAP_SERVER_AUTH_MODE_TAG, element));
87          result.setUserPassword(XMLUtility.getElementValue (LDAP_SERVER_PASSWORD_TAG, element));
88          result.setReferralBehavior(XMLUtility.getElementValue (LDAP_SERVER_REFERRAL, element));
89      
90          baseDn = XMLUtility.getElementValue (LDAP_SERVER_BASE_DN, element);
91          
92          return result;
93      }
94   
95      /**
96       * Return a the base DN for the server.
97       *
98       * @return String.
99       */
100     public String   getBaseDN() {
101         return baseDn;
102     }
103     
104     /**
105      * Return a context on the LDAP server.
106      *
107      * @return InitialDirContext.
108      *
109      * @throws NamingException.
110      */
111     public InitialDirContext   getContext() throws NamingException   {
112         return new InitialDirContext  (server.getPublicConnectionParameters());
113     }
114 }
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