001/*
002 * ====================================================================
003 * Licensed to the Apache Software Foundation (ASF) under one
004 * or more contributor license agreements.  See the NOTICE file
005 * distributed with this work for additional information
006 * regarding copyright ownership.  The ASF licenses this file
007 * to you under the Apache License, Version 2.0 (the
008 * "License"); you may not use this file except in compliance
009 * with the License.  You may obtain a copy of the License at
010 *
011 *   http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing,
014 * software distributed under the License is distributed on an
015 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
016 * KIND, either express or implied.  See the License for the
017 * specific language governing permissions and limitations
018 * under the License.
019 * ====================================================================
020 *
021 * This software consists of voluntary contributions made by many
022 * individuals on behalf of the Apache Software Foundation.  For more
023 * information on the Apache Software Foundation, please see
024 * <http://www.apache.org/>.
025 *
026 */
027
028package org.apache.http.util;
029
030import java.net.InetAddress;
031import java.net.InetSocketAddress;
032import java.net.SocketAddress;
033
034/**
035 * @since 4.3
036 */
037public final class NetUtils {
038
039    public static void formatAddress(
040            final StringBuilder buffer,
041            final SocketAddress socketAddress) {
042        Args.notNull(buffer, "Buffer");
043        Args.notNull(socketAddress, "Socket address");
044        if (socketAddress instanceof InetSocketAddress) {
045            final InetSocketAddress socketaddr = ((InetSocketAddress) socketAddress);
046            final InetAddress inetaddr = socketaddr.getAddress();
047            buffer.append(inetaddr != null ? inetaddr.getHostAddress() : inetaddr)
048                .append(':').append(socketaddr.getPort());
049        } else {
050            buffer.append(socketAddress);
051        }
052    }
053
054}