LDAP实例 转载

java 代码

package test.coral.core.ldap;

//引入LDAP的包
import java.util.Enumeration;
import java.util.Hashtable;

import javax.naming.Context;
import javax.naming.NamingEnumeration;
import javax.naming.directory.Attribute;
import javax.naming.directory.Attributes;
import javax.naming.directory.DirContext;
import javax.naming.directory.InitialDirContext;
import javax.naming.directory.SearchControls;
import javax.naming.directory.SearchResult;

import org.apache.commons.lang.StringUtils;

//import mm.splitString;

public class JNDISearch {
    public static String INITCTX = "com.sun.jndi.ldap.LdapCtxFactory"; // 驱动

    public static String MY_HOST = "ldap://localhost:389"; // 主机地址和端口

    public static String MY_SEARCHBASE = "dc=xxx,dc=com"; // 基点入口

    public static String MY_FILTER = "uid=txhzm"; // 过滤条件

    public static String MGR_DN = "cn=admin,dc=gzbd1b,dc=com"; // 用户名

    public static String MGR_PW = "pwd"; // 密码

    public static String MY_ATTRS[] = { "uid","cn","userpassword","mail"};

    // StringBuffer res = new StringBuffer(); //用来输入名字，IP地址的对象
    public static String temp = new String();

    public String search() throws Exception {
        StringBuffer res = new StringBuffer();
        try {
            // 建立连接
            Hashtable env = new Hashtable();
            env.put(Context.INITIAL_CONTEXT_FACTORY, INITCTX);
            env.put(Context.PROVIDER_URL, MY_HOST);
            env.put(Context.SECURITY_AUTHENTICATION, "simple"); // 使用简单认证来认证用户
            env.put(Context.SECURITY_PRINCIPAL, MGR_DN);
            env.put(Context.SECURITY_CREDENTIALS, MGR_PW);
            DirContext ctx = new InitialDirContext(env);

            // 设置查询范围并开始查询
            SearchControls constraints = new SearchControls();
            constraints.setSearchScope(SearchControls.SUBTREE_SCOPE);
            NamingEnumeration results = ctx.search(MY_SEARCHBASE, MY_FILTER,
                    constraints);

            // 打印查询结果
            while (results != null && results.hasMore()) {
                SearchResult sr = (SearchResult) results.next();
                String dn = sr.getName();
                if(StringUtils.isBlank(dn)) continue;
                dn = dn + "," + MY_SEARCHBASE;
                System.out
                        .println("==============================================");
                System.out.println("Distinguished Name is: " + dn);

                // 打印指定的字段//////////////////////////////////////////////////////////////////
                Attributes ar = ctx.getAttributes(dn, MY_ATTRS);
                if (ar == null) {
                    // 对应的uid没有多余的属性
                    System.out.println("Entry " + dn
                            + " has none of the specified attributes\n");
                } else {
                    // 开始显示对应的字段
                    for (int i = 0; i < MY_ATTRS.length; i++) {
                        Attribute attr = ar.get(MY_ATTRS[i]);
                        if (attr != null) {
                            System.out.print(MY_ATTRS[i] + " : ");
                            for (Enumeration vals = attr.getAll(); vals
                                    .hasMoreElements();) {
                                Object obj = vals.nextElement();

                                System.out.println("\t" + obj);
                                res.append(temp + "/");
                            }
                        }
                        System.out.println("\n");
                    }
                    // /////////////////////////////////////////////////////////////////////////////////

                    /*
                     * 打印全部的字段///////////////////////////////////////////////////////////////////
                     * Attributes attrs = sr.getAttributes();
                     * for(NamingEnumeration ne = attrs.getAll();
                     * ne.hasMoreElements(); ){ Attribute attr = (Attribute)
                     * ne.next(); String attrID = attr.getID();
                     * System.out.println(attrID+": "); for(Enumeration vals =
                     * attr.getAll();vals.hasMoreElements(); ){
                     * System.out.println("\t"+vals.nextElement()); }
                     */// ///////////////////////////////////////////////////////////////////////////////
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
            System.exit(1);
        }
        System.out.println(res.toString() + "\n\n\n\n ---- end ----");

        // splitString sp = new splitString();
        // System.out.println("一共有"+sp.splitString(res.toString()).length+"个返回");
        // //打印显示结果，计算返回的数组值
        //return sp.splitString(res.toString());
        return res.toString();

    }

    ///////////////////////////////////////////////////////////////////////////////////////////
    // 使用正则表达式来分拣提取的字符串 ///////////////////////////////////
    ///////////////////////////////////////////////////////////////////////////////////////////



    public static void main(String args[]) {
        JNDISearch search = new JNDISearch();
        //System.out.println(myMail.sendMail("[e-mail]", "this is test",   "my \n test"));
        try {
            System.out.println(search.search());
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}