Example usage for javax.naming.directory ModificationItem ModificationItem

Introduction

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

Prototype

public ModificationItem(int mod_op, Attribute attr)

Source Link

Document

Creates a new instance of ModificationItem.

Usage

From source file:org.wso2.carbon.user.core.ldap.ActiveDirectoryUserStoreManager.java

@Override
public void doUpdateCredentialByAdmin(String userName, Object newCredential) throws UserStoreException {

    if (!isSSLConnection) {
        logger.warn("Unsecured connection is being used. Password operations will fail");
    }//from  w  w w.  j  a v  a2 s. c  o m

    DirContext dirContext = this.connectionSource.getContext();
    String searchBase = realmConfig.getUserStoreProperty(LDAPConstants.USER_SEARCH_BASE);
    String userListFilter = realmConfig.getUserStoreProperty(LDAPConstants.USER_NAME_LIST_FILTER);
    String userNameAttribute = realmConfig.getUserStoreProperty(LDAPConstants.USER_NAME_ATTRIBUTE);
    String searchFilter = "(&" + userListFilter + "(" + userNameAttribute + "="
            + escapeSpecialCharactersForFilter(userName) + "))";
    SearchControls searchControl = new SearchControls();
    String[] returningAttributes = { "CN" };
    searchControl.setReturningAttributes(returningAttributes);
    searchControl.setSearchScope(SearchControls.SUBTREE_SCOPE);

    DirContext subDirContext = null;
    NamingEnumeration<SearchResult> searchResults = null;
    try {
        // search the user with UserNameAttribute and obtain its CN attribute
        searchResults = dirContext.search(escapeDNForSearch(searchBase), searchFilter, searchControl);
        SearchResult user = null;
        int count = 0;
        while (searchResults.hasMore()) {
            if (count > 0) {
                throw new UserStoreException(
                        "There are more than one result in the user store " + "for user: " + userName);
            }
            user = searchResults.next();
            count++;
        }
        String userCNValue = null;
        if (user.getAttributes() != null) {
            Attribute cnAttribute = user.getAttributes().get("CN");
            if (cnAttribute != null) {
                userCNValue = (String) cnAttribute.get();
            } else {
                throw new UserStoreException("Can not update credential: CN attribute is null");
            }
        }

        ModificationItem[] mods = null;

        if (newCredential != null) {
            mods = new ModificationItem[1];
            mods[0] = new ModificationItem(DirContext.REPLACE_ATTRIBUTE,
                    new BasicAttribute(LDAPConstants.ACTIVE_DIRECTORY_UNICODE_PASSWORD_ATTRIBUTE,
                            createUnicodePassword((String) newCredential)));

            subDirContext = (DirContext) dirContext.lookup(searchBase);
            subDirContext.modifyAttributes("CN" + "=" + escapeSpecialCharactersForDN(userCNValue), mods);
        }

    } catch (NamingException e) {
        String error = "Can not access the directory service for user : " + userName;
        if (logger.isDebugEnabled()) {
            logger.debug(error, e);
        }
        throw new UserStoreException(error, e);
    } finally {
        JNDIUtil.closeNamingEnumeration(searchResults);
        JNDIUtil.closeContext(subDirContext);
        JNDIUtil.closeContext(dirContext);
    }
}