Example usage for javax.naming.directory DirContext getAttributes

Introduction

In this page you can find the example usage for javax.naming.directory DirContext getAttributes.

Prototype

public Attributes getAttributes(String name, String[] attrIds) throws NamingException;

Source Link

Document

Retrieves selected attributes associated with a named object.

Usage

From source file:Main.java

public static void main(String args[]) throws Exception {
    Hashtable<String, String> env = new Hashtable<String, String>();
    env.put("java.naming.factory.initial", "com.sun.jndi.dns.DnsContextFactory");
    env.put("java.naming.provider.url", "dns://123.123.123.123/");

    String dns_attributes[] = { "MX", "A", "HINFO" };

    DirContext ctx = new InitialDirContext(env);
    Attributes attrsl = ctx.getAttributes("http://www.yourserver.com", dns_attributes);
    for (int z = 0; z < dns_attributes.length; z++) {
        Attribute attr = attrsl.get(dns_attributes[z]);

        if (attr != null) {
            System.out.print(dns_attributes[z] + ": ");
            for (Enumeration vals = attr.getAll(); vals.hasMoreElements();) {
                System.out.println(vals.nextElement());
            }//from ww w .  j  ava 2s  .c  om
        }
    }
}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    Hashtable<String, String> env = new Hashtable<String, String>();
    env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
    env.put(Context.PROVIDER_URL, "yourURL");

    DirContext ctx = new InitialDirContext(env);

    // Get an attribute of that type
    Attributes attrs = ctx.getAttributes("cn=YourName, ou=People", new String[] { "cn" });
    Attribute cnAttr = attrs.get("cn");

    // Get its attribute definition
    DirContext cnSchema = cnAttr.getAttributeDefinition();

    // Get cnSchema's attributes
    Attributes cnAttrs = cnSchema.getAttributes("");
}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    String url = "ldap://localhost/o=JNDITutorial";
    Hashtable<String, String> env = new Hashtable<String, String>();
    env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
    env.put(Context.PROVIDER_URL, url);

    DirContext ctx = new InitialDirContext(env);
    String[] attrIDs = { "sn", "number", "value", "mail" };

    Attributes answer = ctx.getAttributes("cn=yourName, ou=People", attrIDs);

    NamingEnumeration e = answer.getAll();
    while (e.hasMore()) {
        Attribute attr = (Attribute) e.next();
        System.out.println(attr.getID());
    }//from  w w w .  j av  a 2  s  .  c  om
}

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From source file:ServerSasl.java

public static void main(String[] args) {

    try {//from  w  ww. j a  va 2  s.  com
        // Create initial context
        DirContext ctx = new InitialDirContext();

        // Read supportedSASLMechanisms from root DSE
        Attributes attrs = ctx.getAttributes("ldap://localhost:389",
                new String[] { "supportedSASLMechanisms" });

        System.out.println(attrs);

        // Close the context when we're done
        ctx.close();
    } catch (NamingException e) {
        e.printStackTrace();
    }
}

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From source file:ModAttrs.java

public static void main(String[] args) {

    // Set up the environment for creating the initial context
    Hashtable<String, Object> env = new Hashtable<String, Object>(11);
    env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
    env.put(Context.PROVIDER_URL, "ldap://localhost:389/o=JNDITutorial");

    try {// w w w.ja  va  2s  .  c  o  m
        // Create the initial context
        DirContext ctx = new InitialDirContext(env);
        String name = "cn=Ted Geisel, ou=People";

        // Save original attributes
        Attributes orig = ctx.getAttributes(name, new String[] { "mail", "telephonenumber", "jpegphoto" });

        // Specify the changes to make
        ModificationItem[] mods = new ModificationItem[3];

        // Replace the "mail" attribute with a new value
        mods[0] = new ModificationItem(DirContext.REPLACE_ATTRIBUTE,
                new BasicAttribute("mail", "geisel@wizards.com"));

        // Add additional value to "telephonenumber"
        mods[1] = new ModificationItem(DirContext.ADD_ATTRIBUTE,
                new BasicAttribute("telephonenumber", "+1 555 555 5555"));

        // Remove the "jpegphoto" attribute
        mods[2] = new ModificationItem(DirContext.REMOVE_ATTRIBUTE, new BasicAttribute("jpegphoto"));

        // Perform the requested modifications on the named object
        ctx.modifyAttributes(name, mods);

        // Check attributes
        System.out.println("**** new attributes *****");
        printAttrs(ctx.getAttributes(name));

        // Revert changes
        ctx.modifyAttributes(name, DirContext.REPLACE_ATTRIBUTE, orig);

        // Check that the attributes got restored
        System.out.println("**** reverted to original attributes *****");
        printAttrs(ctx.getAttributes(name));

        // Close the context when we're done
        ctx.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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From source file:GetAttrs.java

public static void main(String[] args) {

    // Set up the environment for creating the initial context
    Hashtable<String, Object> env = new Hashtable<String, Object>(11);
    env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
    env.put(Context.PROVIDER_URL, "ldap://localhost:389/o=JNDITutorial");

    try {/*w w  w. jav a  2s . c  o m*/
        // Create initial context
        DirContext ctx = new InitialDirContext(env);

        // Specify the ids of the attributes to return
        String[] attrIDs = { "sn", "telephonenumber", "golfhandicap", "mail" };

        // Get the attributes requested
        Attributes answer = ctx.getAttributes("cn=Ted Geisel, ou=People", attrIDs);

        // Print the answer
        printAttrs(answer);

        // Close the context when we're done
        ctx.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

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From source file:Main.java

public static void main(String args[]) throws Exception {
    Hashtable env = new Hashtable();
    env.put(Context.INITIAL_CONTEXT_FACTORY, INITCTX);
    env.put(Context.PROVIDER_URL, MY_HOST);
    DirContext ctx = new InitialDirContext(env);
    SearchControls constraints = new SearchControls();
    constraints.setSearchScope(SearchControls.SUBTREE_SCOPE);
    NamingEnumeration results = ctx.search(MY_SEARCHBASE, MY_FILTER, constraints);
    while (results != null && results.hasMore()) {
        SearchResult sr = (SearchResult) results.next();
        String dn = sr.getName() + ", " + MY_SEARCHBASE;

        System.out.println("Distinguished Name is " + dn);
        Attributes ar = ctx.getAttributes(dn, MY_ATTRS);
        if (ar == null) {
            System.out.println("Entry " + dn + " has none of the specified attributes\n");
            return;
        }/*  w  ww  .  jav a  2  s .  c  o m*/
        for (int i = 0; i < MY_ATTRS.length; i++) {
            Attribute attr = ar.get(MY_ATTRS[i]);
            if (attr == null) {
                continue;
            }
            System.out.println(MY_ATTRS[i] + ":");
            for (Enumeration vals = attr.getAll(); vals.hasMoreElements();) {
                System.out.println("\t" + vals.nextElement());

            }
        }
    }
}

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From source file:com.ery.ertc.estorm.util.DNS.java

/**
 * Returns the hostname associated with the specified IP address by the provided nameserver.
 * // ww  w  . java  2 s. c  o m
 * @param hostIp
 *            The address to reverse lookup
 * @param ns
 *            The host name of a reachable DNS server
 * @return The host name associated with the provided IP
 * @throws NamingException
 *             If a NamingException is encountered
 */
public static String reverseDns(InetAddress hostIp, String ns) throws NamingException {
    //
    // Builds the reverse IP lookup form
    // This is formed by reversing the IP numbers and appending in-addr.arpa
    //
    String[] parts = hostIp.getHostAddress().split("\\.");
    String reverseIP = parts[3] + "." + parts[2] + "." + parts[1] + "." + parts[0] + ".in-addr.arpa";

    DirContext ictx = new InitialDirContext();
    Attributes attribute = ictx.getAttributes("dns://" // Use "dns:///" if the default
            + ((ns == null) ? "" : ns) +
            // nameserver is to be used
            "/" + reverseIP, new String[] { "PTR" });
    ictx.close();

    String hostname = attribute.get("PTR").get().toString();
    int hostnameLength = hostname.length();
    if (hostname.charAt(hostnameLength - 1) == '.') {
        hostname = hostname.substring(0, hostnameLength - 1);
    }
    return hostname;
}

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From source file:com.buaa.cfs.net.DNS.java

/**
 * Returns the hostname associated with the specified IP address by the provided nameserver.
 * <p>//from w w w  .  j a va2 s . com
 * Loopback addresses
 *
 * @param hostIp The address to reverse lookup
 * @param ns     The host name of a reachable DNS server
 *
 * @return The host name associated with the provided IP
 *
 * @throws NamingException If a NamingException is encountered
 */
public static String reverseDns(InetAddress hostIp, String ns) throws NamingException {
    //
    // Builds the reverse IP lookup form
    // This is formed by reversing the IP numbers and appending in-addr.arpa
    //
    String[] parts = hostIp.getHostAddress().split("\\.");
    String reverseIP = parts[3] + "." + parts[2] + "." + parts[1] + "." + parts[0] + ".in-addr.arpa";

    DirContext ictx = new InitialDirContext();
    Attributes attribute;
    try {
        attribute = ictx.getAttributes("dns://" // Use "dns:///" if the default
                + ((ns == null) ? "" : ns) +
                // nameserver is to be used
                "/" + reverseIP, new String[] { "PTR" });
    } finally {
        ictx.close();
    }

    String hostname = attribute.get("PTR").get().toString();
    int hostnameLength = hostname.length();
    if (hostname.charAt(hostnameLength - 1) == '.') {
        hostname = hostname.substring(0, hostnameLength - 1);
    }
    return hostname;
}

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From source file:it.infn.ct.security.utilities.LDAPUtils.java

public static List<LDAPUser> getIdPUserList() {
    List<LDAPUser> users = new ArrayList<LDAPUser>();
    NamingEnumeration results = null;
    DirContext ctx;
    ResourceBundle rb = ResourceBundle.getBundle("ldap");
    try {//from ww  w  .j a v a 2 s.  co m
        ctx = getMainAuthContext();
        String attrs[] = { "uniqueMember" };
        Attribute userGAttr = ctx.getAttributes(rb.getString("usersGroup"), attrs).get("uniqueMember");
        for (int i = 0; i < userGAttr.size(); i++) {
            String userDN = (String) userGAttr.get(i);
            users.add(getUser(userDN.substring(userDN.indexOf("=") + 1, userDN.indexOf(","))));

        }

    } catch (NamingException ex) {
        _log.error(ex);
    }

    return users;
}

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