package com.oreilly.jent.jndi;

/**
 * In general, you may use the code in this book in your programs and 
 * documentation. You do not need to contact us for permission unless 
 * you're reproducing a significant portion of the code. For example, 
 * writing a program that uses several chunks of code from this book does 
 * not require permission. Selling or distributing a CD-ROM of examples 
 * from O'Reilly books does require permission. Answering a question by 
 * citing this book and quoting example code does not require permission. 
 * Incorporating a significant amount of example code from this book into 
 * your product's documentation does require permission.
 * 
 * We appreciate, but do not require, attribution. An attribution usually 
 * includes the title, author, publisher, and ISBN. For example: 
 * 
 *   "Java Enterprise in a Nutshell, Third Edition, 
 *    by Jim Farley and William Crawford 
 *    with Prakash Malani, John G. Norman, and Justin Gehtland. 
 *    Copyright 2006 O'Reilly Media, Inc., 0-596-10142-2."
 *  
 *  If you feel your use of code examples falls outside fair use or the 
 *  permission given above, feel free to contact us at 
 *  permissions@oreilly.com.
 */

/**
 * search: Command to search a given directory context.
 */

import java.util.Vector;

import javax.naming.Context;
import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import javax.naming.directory.DirContext;
import javax.naming.directory.InvalidSearchFilterException;
import javax.naming.directory.SearchControls;
import javax.naming.directory.SearchResult;

class search implements Command {
  public void execute(Context c, Vector v) throws CommandException {
        
    if (NamingShell.getCurrentContext() == null)
      throw new CommandException(new Exception(), "No current context");
    else if (v.isEmpty())
      throw new CommandException(new Exception(), "No filter specified");
    String filter = (String)v.firstElement();
    try {
      SearchControls cons = new SearchControls();
      cons.setSearchScope(SearchControls.SUBTREE_SCOPE);
      NamingEnumeration results = ((DirContext)c).search("", filter, cons);
      while (results.hasMore()) {
        SearchResult result = (SearchResult)results.next();
        System.out.println(result.getName());
      }
    }
    catch (InvalidSearchFilterException isfe) {
      throw new CommandException(isfe, 
      "The filter [" + filter + "] is invalid");
    }
    catch (NamingException e) {
      throw new CommandException(e, "The search for " + filter + " failed");
    }
    catch (ClassCastException cce) {
      throw new CommandException(cce, "Not a directory context");
    }
  }

  public void help() { System.out.println("Usage: search filter"); }
}