Example usage for javax.naming.ldap SortControl SortControl

Introduction

In this page you can find the example usage for javax.naming.ldap SortControl SortControl.

Prototype

public SortControl(SortKey[] sortBy, boolean criticality) throws IOException 

Source Link

Document

Constructs a control to sort on a list of sort keys.

Usage

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);
    env.put(Context.SECURITY_AUTHENTICATION, "simple");
    env.put(Context.SECURITY_PRINCIPAL, "userDN");
    env.put(Context.SECURITY_CREDENTIALS, "secret");

    Control[] connectCtls = new Control[] { null };
    LdapContext ctx = new InitialLdapContext(env, null);

    Control[] ctxCtls = new Control[] { new SortControl(new String[] { "cn" }, Control.CRITICAL) };

    ctx.setRequestControls(ctxCtls);/*from  w  ww .j a v a  2s  . c  om*/

    NamingEnumeration answer = ctx.list("");

    while (answer.hasMore()) {
        NameClassPair item = (NameClassPair) answer.next();
    }
}

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From source file:SortedResults.java

public static void main(String[] args) throws IOException {

    // Set up environment for creating 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/ou=People,o=JNDITutorial");

    try {/*from w  ww .  j  a va2s. c  o m*/
        // Create initial context with no connection request controls
        LdapContext ctx = new InitialLdapContext(env, null);

        // Create a sort control that sorts based on CN
        String sortKey = "cn";
        ctx.setRequestControls(new Control[] { new SortControl(sortKey, Control.CRITICAL) });

        // Perform a search
        NamingEnumeration results = ctx.search("", "(objectclass=*)", new SearchControls());

        // Iterate over search results
        System.out.println("---->sort by cn");
        while (results != null && results.hasMore()) {
            // Display an entry
            SearchResult entry = (SearchResult) results.next();
            System.out.println(entry.getName());

            // Handle the entry's response controls (if any)
            if (entry instanceof HasControls) {
                // ((HasControls)entry).getControls();
            }
        }
        // Examine the sort control response
        Control[] controls = ctx.getResponseControls();
        if (controls != null) {
            for (int i = 0; i < controls.length; i++) {
                if (controls[i] instanceof SortResponseControl) {
                    SortResponseControl src = (SortResponseControl) controls[i];
                    if (!src.isSorted()) {
                        throw src.getException();
                    }
                } else {
                    // Handle other response controls (if any)
                }
            }
        }

        // Close when no longer needed
        ctx.close();
    } catch (NamingException e) {
        e.printStackTrace();
    }
}

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From source file:org.lsc.jndi.JndiServices.java

public Map<String, LscDatasets> doGetAttrsList(final String base, final String filter, final int scope,
        final List<String> attrsNames) throws NamingException {

    // sanity checks
    String searchBase = base == null ? "" : rewriteBase(base);
    String searchFilter = filter == null ? DEFAULT_FILTER : filter;

    Map<String, LscDatasets> res = new LinkedHashMap<String, LscDatasets>();

    if (attrsNames == null || attrsNames.size() == 0) {
        LOGGER.error("No attribute names to read! Check configuration.");
        return res;
    }/*  w w w  .  ja v  a2  s  . c om*/

    String[] attributes = new String[attrsNames.size()];
    attributes = attrsNames.toArray(attributes);

    SearchControls constraints = new SearchControls();
    constraints.setDerefLinkFlag(false);
    constraints.setReturningAttributes(attributes);
    constraints.setSearchScope(scope);
    constraints.setReturningObjFlag(true);

    try {
        boolean requestPagedResults = false;

        List<Control> extControls = new ArrayList<Control>();

        if (pageSize > 0) {
            requestPagedResults = true;
            LOGGER.debug("Using pagedResults control for {} entries at a time", pageSize);
        }

        if (requestPagedResults) {
            extControls.add(new PagedResultsControl(pageSize, Control.CRITICAL));
        }

        if (sortedBy != null) {
            extControls.add(new SortControl(sortedBy, Control.CRITICAL));
        }

        if (extControls.size() > 0) {
            ctx.setRequestControls(extControls.toArray(new Control[extControls.size()]));
        }

        byte[] pagedResultsResponse = null;
        do {
            NamingEnumeration<SearchResult> results = ctx.search(searchBase, searchFilter, constraints);

            if (results != null) {
                Map<String, Object> attrsValues = null;
                while (results.hasMoreElements()) {
                    attrsValues = new HashMap<String, Object>();

                    SearchResult ldapResult = (SearchResult) results.next();

                    // get the value for each attribute requested
                    for (String attributeName : attrsNames) {
                        Attribute attr = ldapResult.getAttributes().get(attributeName);
                        if (attr != null && attr.get() != null) {
                            attrsValues.put(attributeName, attr.get());
                        }
                    }

                    res.put(ldapResult.getNameInNamespace(), new LscDatasets(attrsValues));
                }
            }

            Control[] respCtls = ctx.getResponseControls();
            if (respCtls != null) {
                for (Control respCtl : respCtls) {
                    if (requestPagedResults && respCtl instanceof PagedResultsResponseControl) {
                        pagedResultsResponse = ((PagedResultsResponseControl) respCtl).getCookie();
                    }
                }
            }

            if (requestPagedResults && pagedResultsResponse != null) {
                ctx.setRequestControls(new Control[] {
                        new PagedResultsControl(pageSize, pagedResultsResponse, Control.CRITICAL) });
            }

        } while (pagedResultsResponse != null);

        // clear requestControls for future use of the JNDI context
        if (requestPagedResults) {
            ctx.setRequestControls(null);
        }
    } catch (CommunicationException e) {
        // Avoid handling the communication exception as a generic one
        throw e;
    } catch (ServiceUnavailableException e) {
        // Avoid handling the service unavailable exception as a generic one
        throw e;
    } catch (NamingException e) {
        // clear requestControls for future use of the JNDI context
        ctx.setRequestControls(null);
        LOGGER.error(e.toString());
        LOGGER.debug(e.toString(), e);

    } catch (IOException e) {
        // clear requestControls for future use of the JNDI context
        ctx.setRequestControls(null);
        LOGGER.error(e.toString());
        LOGGER.debug(e.toString(), e);
    }
    return res;
}

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