/*

 * Copyright (c) 1995, 2011, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*-

 *      mailto stream opener

 */

package sun.net.www.protocol.mailto;

import java.net.URL;

import java.net.URLConnection;

import java.net.URLStreamHandler;

import java.io.*;

import sun.net.www.*;

//import sun.net.www.protocol.news.ArticlePoster;

import sun.net.smtp.SmtpClient;

/** open an nntp input stream given a URL */

public class Handler extends URLStreamHandler {

/*

//     private String decodePercent(String s) {

//      if (s==null || s.indexOf('%') < 0)

//          return s;

//      int limit = s.length();

//      char d[] = new char[limit];

//      int dp = 0;

//      for (int sp = 0; sp < limit; sp++) {

//          int c = s.charAt(sp);

//          if (c == '%' && sp + 2 < limit) {

//              int s1 = s.charAt(sp + 1);

//              int s2 = s.charAt(sp + 2);

//              if ('0' <= s1 && s1 <= '9')

//                  s1 = s1 - '0';

//              else if ('a' <= s1 && s1 <= 'f')

//                  s1 = s1 - 'a' + 10;

//              else if ('A' <= s1 && s1 <= 'F')

//                  s1 = s1 - 'A' + 10;

//              else

//                  s1 = -1;

//              if ('0' <= s2 && s2 <= '9')

//                  s2 = s2 - '0';

//              else if ('a' <= s2 && s2 <= 'f')

//                  s2 = s2 - 'a' + 10;

//              else if ('A' <= s2 && s2 <= 'F')

//                  s2 = s2 - 'A' + 10;

//              else

//                  s2 = -1;

//              if (s1 >= 0 && s2 >= 0) {

//                  c = (s1 << 4) | s2;

//                  sp += 2;

//              }

//          }

//          d[dp++] = (char) c;

//      }

//      return new String(d, 0, dp);

//     }

//     public InputStream openStream(URL u) {

//          String dest = u.file;

//          String subj = "";

//          int lastsl = dest.lastIndexOf('/');

//          if (lastsl >= 0) {

//              int st = dest.charAt(0) == '/' ? 1 : 0;

//              if (lastsl > st)

//                  subj = dest.substring(st, lastsl);

//              dest = dest.substring(lastsl + 1);

//          }

//          if (u.postData != null) {

//              ArticlePoster.MailTo("Posted form",

//                                   decodePercent(dest),

//                                   u.postData);

//          }

//          else

//              ArticlePoster.MailTo(decodePercent(subj), decodePercent(dest));

//      return null;

//     }

    */

    public synchronized URLConnection openConnection(URL u) {

        return new MailToURLConnection(u);

    }

    /**

     * This method is called to parse the string spec into URL u for a

     * mailto protocol.

     *

     * @param   u the URL to receive the result of parsing the spec

     * @param   spec the URL string to parse

     * @param   start the character position to start parsing at.  This is

     *          just past the ':'.

     * @param   limit the character position to stop parsing at.

     */

    public void parseURL(URL u, String spec, int start, int limit) {

        String protocol = u.getProtocol();

        String host = "";

        int port = u.getPort();

        String file = "";

        if (start < limit) {

            file = spec.substring(start, limit);

        }

        /*

         * Let's just make sure we DO have an Email address in the URL.

         */

        boolean nogood = false;

        if (file == null || file.isEmpty())

            nogood = true;

        else {

            boolean allwhites = true;

            for (int i = 0; i < file.length(); i++)

                if (!Character.isWhitespace(file.charAt(i)))

                    allwhites = false;

            if (allwhites)

                nogood = true;

        }

        if (nogood)

            throw new RuntimeException("No email address");

        setURLHandler(u, protocol, host, port, file, null);

    }

    /**

     * This method is used to suppress the deprecated warning

     *

     * @param   u the URL to receive the result of parsing the spec

     * @param   spec the URL string to parse

     * @param   start the character position to start parsing at.  This is

     *          just past the ':'.

     * @param   limit the character position to stop parsing at.

     */

    @SuppressWarnings("deprecation")

    private void setURLHandler(URL u, String protocol, String host, int port, String file, String ref) {

        setURL(u,protocol,host,port,file,null);

    }

}