/*
    * ====================================================================
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF 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
   *
   *   http://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.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  package org.apache.hc.core5.net;
  
  import java.io.Serializable;
  import java.net.URISyntaxException;
  import java.util.Locale;
  
  import org.apache.hc.core5.annotation.Contract;
  import org.apache.hc.core5.annotation.ThreadingBehavior;
  import org.apache.hc.core5.util.Args;
  import org.apache.hc.core5.util.LangUtils;
  import org.apache.hc.core5.util.TextUtils;
  
  /**
   * Component that holds all details needed to describe a network connection
   * to a host. This includes remote host name and port.
   *
   * @since 5.0
   */
  @Contract(threading = ThreadingBehavior.IMMUTABLE)
  public final class Host implements NamedEndpoint, Serializable {
  
      private static final long serialVersionUID = 1L;
      private final String name;
      private final String lcName;
      private final int port;
  
      public Host(final String name, final int port) {
          super();
          this.name   = Args.containsNoBlanks(name, "Host name");
          this.port = Ports.check(port);
          this.lcName = this.name.toLowerCase(Locale.ROOT);
      }
  
      public static Host create(final String s) throws URISyntaxException {
          Args.notEmpty(s, "HTTP Host");
          final int portIdx = s.lastIndexOf(":");
          final int port;
          if (portIdx > 0) {
              try {
                  port = Integer.parseInt(s.substring(portIdx + 1));
              } catch (final NumberFormatException ex) {
                  throw new URISyntaxException(s, "invalid port");
              }
              final String hostname = s.substring(0, portIdx);
              if (TextUtils.containsBlanks(hostname)) {
                  throw new URISyntaxException(s, "hostname contains blanks");
              }
              return new Host(hostname, port);
          }
          throw new URISyntaxException(s, "port not found");
      }
  
      @Override
      public String getHostName() {
          return name;
      }
  
      @Override
      public int getPort() {
          return port;
      }
  
      @Override
      public boolean equals(final Object o) {
          if (this == o) {
              return true;
          }
          if (o instanceof Host) {
              final Hostef="../../../../../org/apache/hc/core5/net/Host.html#Host">Host that = (Host) o;
              return this.lcName.equals(that.lcName) && this.port == that.port;
          }
          return false;
      }
 
     @Override
     public int hashCode() {
         int hash = LangUtils.HASH_SEED;
         hash = LangUtils.hashCode(hash, this.lcName);
         hash = LangUtils.hashCode(hash, this.port);
         return hash;
     }
 
     @Override
     public String toString() {
         return name + ":" + port;
     }
 
 }