JAVA，OpenLDAP使用心得(2)

折腾了一天，终于初步了解JAVA怎么在OpenLDAP增加删除数据了。代码如下

/**
*
* @author chenyi
*/
import java.util.Hashtable;
import javax.naming.Context;
import javax.naming.NamingException;
import javax.naming.directory.*;
import java.util.*;

public class ChenYi {

DirContext ctx = null;
String account = "Manager";//操作LDAP的帐户。默认就是Manager。
String password = "secret";//帐户Manager的密码。
String root = "dc=example,dc=com"; //LDAP的根节点的DC

public ChenYi() {
init();
add();
//delete();
close();
}

public void init() {
Hashtable env = new Hashtable();
env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
env.put(Context.PROVIDER_URL, "ldap://192.168.100.221:389/");
env.put(Context.SECURITY_AUTHENTICATION, "simple");
env.put(Context.SECURITY_PRINCIPAL, "cn=" + account + "," + root);
env.put(Context.SECURITY_CREDENTIALS, password);
try {
ctx = new InitialDirContext(env);//初始化上下文
System.out.println("认证成功");//这里可以改成异常抛出。
} catch (javax.naming.AuthenticationException e) {
System.out.println("认证失败");
} catch (Exception e) {
System.out.println("认证出错：" + e);
}
}

public void add() {
try {
String newUserName = "hi";
BasicAttributes attrs = new BasicAttributes();
BasicAttribute objclassSet = new BasicAttribute("objectClass");
objclassSet.add("top");
objclassSet.add("organizationalUnit");
attrs.put(objclassSet);
attrs.put("ou", newUserName);
ctx.createSubcontext("ou=" + newUserName + "," + root, attrs);
} catch (Exception e) {
e.printStackTrace();
System.out.println("Exception in add():" + e);
}
}

public void delete() {
try {
ctx.destroySubcontext("ou=hi,dc=example,dc=com");
} catch (Exception e) {
e.printStackTrace();
System.out.println("Exception in delete():" + e);
}
}

public void close() {
if (ctx != null) {
try {
ctx.close();
} catch (NamingException e) {
System.out.println("NamingException in close():" + e);
}
}
}

public static void main(String[] args) {
new ChenYi();
}
}

红线标记的地方特别注意，我看很多文章中写的都类似于env.put(Context.PROVIDER_URL, "ldap://localhost:7001/" + root); 经过我一天的折腾发现加上了root，会报javax.naming.NameNotFoundException: [LDAP: error code 32 - No Such Object];错误 。也许这是新版不兼容旧版程序吧