Example usage for javax.naming.ldap SortResponseControl isSorted

Introduction

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

Prototype

public boolean isSorted() 

Source Link

Document

Determines if the search results have been successfully sorted.

Usage

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  .  jav a  2  s  .  co  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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