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* - Redistributions in binary form must reproduce the above copyright
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*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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import java.util.Hashtable;
import javax.naming.Context;
import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import javax.naming.directory.Attribute;
import javax.naming.directory.Attributes;
import javax.naming.directory.BasicAttribute;
import javax.naming.directory.DirContext;
import javax.naming.directory.InitialDirContext;
import javax.naming.directory.ModificationItem;
/**
* Demonstrates how to make modifications to an object's attributes. It remove
* an attribute, adds an attribute value, and replaces an attribute value. After
* making the modifications, it replaces the object's attributes with its
* original attributes.
*
* usage: java ModAttrs
*/
class ModAttrs {
public static void main(String[] args) {
// Set up the environment for creating the initial context
Hashtable env = new Hashtable(11);
env
.put(Context.INITIAL_CONTEXT_FACTORY,
"com.sun.jndi.ldap.LdapCtxFactory");
env.put(Context.PROVIDER_URL, "ldap://localhost:389/o=JNDITutorial");
try {
// 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();
}
}
static void printAttrs(Attributes attrs) {
if (attrs == null) {
System.out.println("No attributes");
} else {
/* Print each attribute */
try {
for (NamingEnumeration ae = attrs.getAll(); ae.hasMore();) {
Attribute attr = (Attribute) ae.next();
System.out.println("attribute: " + attr.getID());
/* print each value */
for (NamingEnumeration e = attr.getAll(); e.hasMore(); System.out
.println("value: " + e.next()))
;
}
} catch (NamingException e) {
e.printStackTrace();
}
}
}
}