Java by API/javax.naming/NameClassPair — различия между версиями

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м (1 версия)
 
(нет различий)

Версия 17:43, 31 мая 2010

NameClassPair: getName()

  
import java.io.IOException;
import java.io.PrintWriter;
import javax.naming.Binding;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class EnvEntry extends HttpServlet {
  public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException,
      IOException {
    res.setContentType("text/plain");
    PrintWriter out = res.getWriter();
    try {
      Context initCtx = new InitialContext();
      NamingEnumeration e = initCtx.listBindings("java:comp/env");
      while (e.hasMore()) {
        Binding binding = (Binding) e.next();
        out.println("Name: " + binding.getName());
        out.println("Type: " + binding.getClassName());
        out.println("Value: " + binding.getObject());
        out.println();
      }
    } catch (NamingException e) {
      e.printStackTrace(out);
    }
  }
}





NameClassPair: getNameInNamespace()

  
/*
 * Copyright (c) 1995 - 2008 Sun Microsystems, Inc.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Sun Microsystems nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
import java.util.Hashtable;
import javax.naming.Context;
import javax.naming.NamingEnumeration;
import javax.naming.directory.DirContext;
import javax.naming.directory.InitialDirContext;
import javax.naming.directory.SearchResult;
import javax.naming.ldap.LdapName;
/**
 * Shows how an LdapName can be obtained from the search results.
 */
public class Main {
  public static void main(String[] args) {
    // Set up the environment for creating the initial context
    Hashtable<String, Object> env = new Hashtable<String, Object>(11);
    env
        .put(Context.INITIAL_CONTEXT_FACTORY,
            "com.sun.jndi.ldap.LdapCtxFactory");
    env.put(Context.PROVIDER_URL, "ldap://localhost:389/o=JNDITutorial");
    try {
      // Create initial context
      DirContext ctx = new InitialDirContext(env);
      NamingEnumeration answer = ctx.search("ou=People", null);
      // Print the answer
      while (answer.hasMore()) {
        SearchResult sr = (SearchResult) answer.next();
        String name = sr.getNameInNamespace();
        System.out.println(name);
        LdapName dn = new LdapName(name);
        // do something with the dn
      }
      // Close the context when we"re done
      ctx.close();
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
}