Examples of javax.naming.ldap.LdapContext

javax.naming.ldap.LdapContext
An LdapContext is used when LDAPv3 extended operations and/or controls are required.
Extended operations are dealt with by the extendedOperation method. All other methods relate to the use of controls. Controls are extra information provided to or from an LDAP v3 server. Controls are either of the type Request or Reponse. There is a special type of request controls known as connection controls.

Connection controls are used by a service provider when connecting or reconnecting to an LDAP server. These are associated with connections and are inherited by derived Context. It should be noted however that subsequent changes to a derived Context's own connection controls has no impact on the Context from which it inherited. There are a number of environment properties which relate specifically to LDAP service providers. The one which is important here is: java.naming.ldap.control.connect which holds the array of connection controls for a Context. Service providers rely on this to pass on the connection controls to derived Context.

Request controls are used by a service provider when performing operations other than connecting or reconnecting. These are referred to as Context Request Controls as they relate to the specific Context instance. It must be noted that, unlike connection controls, they are not inherited. Connection and request controls being split like this allows service provider implementations to pool connections.

Response controls are generated by an LDAPv3 server.
@see DirContext




    @Test
    public void testSearch() throws Exception
    {
        LdapContext ctx = getWiredContext( getLdapServer() );
        SearchControls controls = new SearchControls();
        controls.setSearchScope( SearchControls.OBJECT_SCOPE );
        controls.setTimeLimit( 10 );


        try
        {
            ctx.search( "myBadDN", "(objectClass=*)", controls );


            fail(); // We should get an exception here
        }
        catch ( InvalidNameException ine )
        {
            // Expected.
        }
        catch ( NamingException ne )
        {
            fail();
        }
        catch ( Exception e )
        {
            fail();
        }


        try
        {
            controls = new SearchControls();
            controls.setSearchScope( SearchControls.ONELEVEL_SCOPE );
            controls.setTimeLimit( 10 );


            NamingEnumeration<SearchResult> result = ctx.search( "ou=system", "(objectClass=*)", controls );


            assertTrue( result.hasMore() );
        }
        catch ( InvalidNameException ine )
        {

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     * Test a search with the empty "" baseDN
     */
    @Test
    public void testSearchEmptyBaseDn() throws Exception
    {
        LdapContext ctx = getWiredContext( getLdapServer() );
        SearchControls controls = new SearchControls();
        controls.setSearchScope( SearchControls.OBJECT_SCOPE );
        controls.setTimeLimit( 10 );


        try
        {
            controls = new SearchControls();
            controls.setSearchScope( SearchControls.SUBTREE_SCOPE );
            controls.setTimeLimit( 10 );


            NamingEnumeration<SearchResult> result = ctx.search( "", "(cn=Janis Joplin)", controls );


            assertTrue( result.hasMore() );


            SearchResult entry = result.next();
            assertEquals( "cn=Janis Joplin,ou=system", entry.getName() );

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     * Performs a single level search from ou=system base and
     * returns the set of DNs found.
     */
    private Set<String> search( String filter ) throws Exception
    {
        LdapContext ctx = ( LdapContext ) getWiredContext( getLdapServer() ).lookup( BASE );
        SearchControls controls = new SearchControls();
        controls.setSearchScope( SearchControls.ONELEVEL_SCOPE );
        NamingEnumeration<SearchResult> ii = ctx.search( "", filter, controls );


        // collect all results
        HashSet<String> results = new HashSet<String>();
        while ( ii.hasMore() )
        {

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     * Search operation with a base Dn which contains a BER encoded value.
     */
    @Test
    public void testSearchWithBackslashEscapedBase() throws Exception
    {
        LdapContext ctx = ( LdapContext ) getWiredContext( getLdapServer() ).lookup( BASE );


        // create additional entry
        Attributes attributes = this.getPersonAttributes( "Ferry", "Bryan Ferry" );
        ctx.createSubcontext( "sn=Ferry", attributes );


        SearchControls sctls = new SearchControls();
        sctls.setSearchScope( SearchControls.OBJECT_SCOPE );
        String filter = "(cn=Bryan Ferry)";


        // sn=Ferry with BEROctetString values
        String base = "sn=\\46\\65\\72\\72\\79";


        try
        {
            // Check entry
            NamingEnumeration<SearchResult> enm = ctx.search( base, filter, sctls );
            assertTrue( enm.hasMore() );
            while ( enm.hasMore() )
            {
                SearchResult sr = enm.next();
                Attributes attrs = sr.getAttributes();

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     * @throws LdapException
     */
    @Test
    public void testSearchValue() throws Exception
    {
        LdapContext ctx = ( LdapContext ) getWiredContext( getLdapServer() ).lookup( BASE );


        // Setting up search controls for compare op
        SearchControls ctls = new SearchControls();
        ctls.setReturningAttributes( new String[]
            { "*" } ); // no attributes
        ctls.setSearchScope( SearchControls.OBJECT_SCOPE );


        // Search for all entries
        NamingEnumeration<SearchResult> results = ctx.search( RDN, "(cn=*)", ctls );
        assertTrue( results.hasMore() );


        results = ctx.search( RDN2, "(cn=*)", ctls );
        assertTrue( results.hasMore() );


        // Search for all entries ending by Amos
        results = ctx.search( RDN, "(cn=*Amos)", ctls );
        assertTrue( results.hasMore() );


        results = ctx.search( RDN2, "(cn=*Amos)", ctls );
        assertFalse( results.hasMore() );


        // Search for all entries ending by amos
        results = ctx.search( RDN, "(cn=*amos)", ctls );
        assertTrue( results.hasMore() );


        results = ctx.search( RDN2, "(cn=*amos)", ctls );
        assertFalse( results.hasMore() );


        // Search for all entries starting by Tori
        results = ctx.search( RDN, "(cn=Tori*)", ctls );
        assertTrue( results.hasMore() );


        results = ctx.search( RDN2, "(cn=Tori*)", ctls );
        assertFalse( results.hasMore() );


        // Search for all entries starting by tori
        results = ctx.search( RDN, "(cn=tori*)", ctls );
        assertTrue( results.hasMore() );


        results = ctx.search( RDN2, "(cn=tori*)", ctls );
        assertFalse( results.hasMore() );


        // Search for all entries containing ori
        results = ctx.search( RDN, "(cn=*ori*)", ctls );
        assertTrue( results.hasMore() );


        results = ctx.search( RDN2, "(cn=*ori*)", ctls );
        assertFalse( results.hasMore() );


        // Search for all entries containing o and i
        results = ctx.search( RDN, "(cn=*o*i*)", ctls );
        assertTrue( results.hasMore() );


        results = ctx.search( RDN2, "(cn=*o*i*)", ctls );
        assertTrue( results.hasMore() );


        // Search for all entries containing o, space and o
        results = ctx.search( RDN, "(cn=*o* *o*)", ctls );
        assertTrue( results.hasMore() );


        results = ctx.search( RDN2, "(cn=*o* *o*)", ctls );
        assertFalse( results.hasMore() );


        results = ctx.search( RDN2, "(cn=*o*-*o*)", ctls );
        assertTrue( results.hasMore() );


        // Search for all entries starting by To and containing A
        results = ctx.search( RDN, "(cn=To*A*)", ctls );
        assertTrue( results.hasMore() );


        results = ctx.search( RDN2, "(cn=To*A*)", ctls );
        assertFalse( results.hasMore() );


        // Search for all entries ending by os and containing ri
        results = ctx.search( RDN, "(cn=*ri*os)", ctls );
        assertTrue( results.hasMore() );


        results = ctx.search( RDN2, "(cn=*ri*os)", ctls );
        assertFalse( results.hasMore() );
    }

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        SearchControls controls = new SearchControls();
        controls.setSearchScope( SearchControls.OBJECT_SCOPE );
        controls.setReturningAttributes( new String[]
            { "objectClasses" } );


        LdapContext ctx = getWiredContext( getLdapServer() );


        NamingEnumeration<SearchResult> results = ctx.search( "cn=schema", "objectClass=subschema", controls );
        assertTrue( results.hasMore() );
        SearchResult result = results.next();
        assertNotNull( result );
        assertFalse( results.hasMore() );

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     * @param aciItem the prescriptive ACI attribute value
     * @throws NamingException if there is a problem creating the subentry
     */
    private void createAccessControlSubentry( String cn, String subtree, String aciItem ) throws Exception
    {
        LdapContext ctx = ( LdapContext ) getWiredContext( getLdapServer() ).lookup( BASE );


        DirContext adminCtx = ctx;


        // modify ou=system to be an AP for an A/C AA if it is not already
        Attributes ap = adminCtx.getAttributes( "", new String[]

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     * result, if scope is base and attribute objectClass is requested explicitly").
     */
    @Test
    public void testAddWithObjectclasses() throws Exception
    {
        LdapContext ctx = ( LdapContext ) getWiredContext( getLdapServer() ).lookup( BASE );


        SearchControls ctls = new SearchControls();
        ctls.setSearchScope( SearchControls.OBJECT_SCOPE );
        ctls.setReturningAttributes( new String[]
            { "objectclass" } );
        String filter = "(objectclass=*)";
        String rdn = "cn=Kim Wilde";


        NamingEnumeration<SearchResult> result = ctx.search( rdn, filter, ctls );


        if ( result.hasMore() )
        {
            SearchResult entry = result.next();
            Attributes heatherReloaded = entry.getAttributes();
            Attribute loadedOcls = heatherReloaded.get( "objectClass" );
            assertNotNull( loadedOcls );
            assertTrue( loadedOcls.contains( "person" ) );
            assertTrue( loadedOcls.contains( "top" ) );
        }
        else
        {
            fail( "entry " + rdn + " not found" );
        }


        ctx.destroySubcontext( rdn );
    }

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     * result, if scope is base and attribute objectClass is requested explicitly").
     */
    @Test
    public void testAddWithMissingObjectclasses() throws Exception
    {
        LdapContext ctx = ( LdapContext ) getWiredContext( getLdapServer() ).lookup( BASE );


        String rdn = "cn=Kate Bush";
        SearchControls ctls = new SearchControls();
        ctls.setSearchScope( SearchControls.OBJECT_SCOPE );
        ctls.setReturningAttributes( new String[]
            { "objectclass" } );
        String filter = "(objectclass=*)";


        NamingEnumeration<SearchResult> result = ctx.search( rdn, filter, ctls );
        if ( result.hasMore() )
        {
            SearchResult entry = result.next();
            Attributes kateReloaded = entry.getAttributes();
            Attribute loadedOcls = kateReloaded.get( "objectClass" );
            assertNotNull( loadedOcls );
            assertTrue( loadedOcls.contains( "top" ) );
            assertTrue( loadedOcls.contains( "person" ) );
            assertTrue( loadedOcls.contains( "organizationalPerson" ) );


        }
        else
        {
            fail( "entry " + rdn + " not found" );
        }


        ctx.destroySubcontext( rdn );
    }

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    @Test
    public void testSubentryControl() throws Exception
    {
        LdapContext ctx = ( LdapContext ) getWiredContext( getLdapServer() ).lookup( BASE );


        // create a real access decorator subentry
        createAccessControlSubentry( "anyBodyAdd", "{}", "{ " + "  identificationTag \"addAci\", "
            + "  precedence 14, " + "  authenticationLevel none, " + "  itemOrUserFirst userFirst: " + "  { "
            + "    userClasses " + "    { " + "      allUsers " + "    }, " + "    userPermissions " + "    { "
            + "      { " + "        protectedItems " + "        { " + "          entry, allUserAttributeTypesAndValues"
            + "        }, " + "        grantsAndDenials " + "        { " + "          grantAdd, grantBrowse "
            + "        } " + "      } " + "    } " + "  } " + "}" );


        // prepare the subentry decorator to make the subentry visible
        Subentries ctl = new SubentriesImpl();
        ctl.setVisibility( true );
        Control[] reqControls = new Control[]
            { ctl };
        SearchControls searchControls = new SearchControls();
        searchControls.setSearchScope( SearchControls.ONELEVEL_SCOPE );


        ctx.setRequestControls( JndiUtils.toJndiControls( getLdapServer().getDirectoryService().getLdapCodecService(),
            reqControls ) );
        NamingEnumeration<SearchResult> enm = ctx.search( "", "(objectClass=*)", searchControls );
        Set<String> results = new HashSet<String>();


        while ( enm.hasMore() )
        {
            SearchResult result = enm.next();

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