/*
    * Copyright 2012 The Netty Project
    *
    * The Netty Project licenses this file to you under the Apache License,
    * version 2.0 (the "License"); you may not use this file except in compliance
    * with the License. You may obtain a copy of the License at:
    *
    *   https://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
   * License for the specific language governing permissions and limitations
   * under the License.
   */
  package io.netty.handler.codec.socksx.v5;
  
  import io.netty.handler.codec.DecoderResult;
  import io.netty.util.internal.ObjectUtil;
  import io.netty.util.internal.StringUtil;
  
  /**
   * The default {@link Socks5PasswordAuthRequest}.
   */
  public class DefaultSocks5PasswordAuthRequest extends AbstractSocks5Message implements Socks5PasswordAuthRequest {
  
      private final String username;
      private final String password;
  
      public DefaultSocks5PasswordAuthRequest(String username, String password) {
          ObjectUtil.checkNotNull(username, "username");
          ObjectUtil.checkNotNull(password, "password");
  
          if (username.length() > 255) {
              throw new IllegalArgumentException("username: **** (expected: less than 256 chars)");
          }
          if (password.length() > 255) {
              throw new IllegalArgumentException("password: **** (expected: less than 256 chars)");
          }
  
          this.username = username;
          this.password = password;
      }
  
      @Override
      public String username() {
          return username;
      }
  
      @Override
      public String password() {
          return password;
      }
  
      @Override
      public String toString() {
          StringBuilder buf = new StringBuilder(StringUtil.simpleClassName(this));
  
          DecoderResult decoderResult = decoderResult();
          if (!decoderResult.isSuccess()) {
              buf.append("(decoderResult: ");
              buf.append(decoderResult);
              buf.append(", username: ");
          } else {
              buf.append("(username: ");
          }
          buf.append(username());
          buf.append(", password: ****)");
  
          return buf.toString();
      }
  }