在Java中使用LDAP獲取用戶過濾器可以通過構(gòu)建LDAP搜索過濾器來實現(xiàn)。以下是一個示例代碼來獲取用戶過濾器:
import javax.naming.directory.BasicAttribute;
import javax.naming.directory.SearchControls;
import javax.naming.directory.SearchResult;
import javax.naming.ldap.InitialLdapContext;
import javax.naming.NamingEnumeration;
public class LDAPUserFilterExample {
public static void main(String[] args) {
try {
// 設(shè)置LDAP服務(wù)器連接信息
String ldapUrl = "ldap://localhost:389";
String baseDN = "dc=example,dc=com";
String searchFilter = "(&(objectClass=user)(sAMAccountName=*))";
// 設(shè)置LDAP認(rèn)證信息
String username = "admin";
String password = "password";
// 連接LDAP服務(wù)器
Hashtable<String, String> env = new Hashtable<String, String>();
env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
env.put(Context.PROVIDER_URL, ldapUrl);
env.put(Context.SECURITY_AUTHENTICATION, "simple");
env.put(Context.SECURITY_PRINCIPAL, "cn=" + username + "," + baseDN);
env.put(Context.SECURITY_CREDENTIALS, password);
InitialLdapContext context = new InitialLdapContext(env, null);
// 設(shè)置LDAP搜索控制器
SearchControls searchControls = new SearchControls();
searchControls.setSearchScope(SearchControls.SUBTREE_SCOPE);
// 執(zhí)行LDAP搜索
NamingEnumeration<SearchResult> results = context.search(baseDN, searchFilter, searchControls);
// 輸出搜索結(jié)果
while (results.hasMore()) {
SearchResult result = results.next();
System.out.println("DN: " + result.getName());
System.out.println("Attributes: " + result.getAttributes());
}
// 關(guān)閉LDAP連接
context.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
在上面的示例代碼中,我們首先設(shè)置了LDAP服務(wù)器的連接信息和認(rèn)證信息,然后創(chuàng)建了一個InitialLdapContext
對象來連接LDAP服務(wù)器。接著設(shè)置了LDAP搜索控制器SearchControls
,并執(zhí)行LDAP搜索操作。最后,我們遍歷搜索結(jié)果并輸出用戶的DN和屬性。最后,記得關(guān)閉LDAP連接。