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 */
027package org.apache.http.conn;
028
029import java.io.IOException;
030import java.net.ConnectException;
031import java.net.InetAddress;
032import java.util.Arrays;
033
034import org.apache.http.HttpHost;
035
036/**
037 * A {@link ConnectException} that specifies the {@link HttpHost} that was
038 * being connected to.
039 *
040 * @since 4.0
041 */
042public class HttpHostConnectException extends ConnectException {
043
044    private static final long serialVersionUID = -3194482710275220224L;
045
046    private final HttpHost host;
047
048    /**
049     * @deprecated (4.3) use {@link #HttpHostConnectException(java.io.IOException, org.apache.http.HttpHost,
050     *   java.net.InetAddress...)}
051     */
052    @Deprecated
053    public HttpHostConnectException(final HttpHost host, final ConnectException cause) {
054        this(cause, host, (InetAddress[]) null);
055    }
056
057    /**
058     * Creates a HttpHostConnectException based on original {@link java.io.IOException}.
059     *
060     * @since 4.3
061     */
062    public HttpHostConnectException(
063            final IOException cause,
064            final HttpHost host,
065            final InetAddress... remoteAddresses) {
066        super("Connect to " +
067                (host != null ? host.toHostString() : "remote host") +
068                (remoteAddresses != null && remoteAddresses .length > 0 ?
069                        " " + Arrays.asList(remoteAddresses) : "") +
070                ((cause != null && cause.getMessage() != null) ?
071                        " failed: " + cause.getMessage() : " refused"));
072        this.host = host;
073        initCause(cause);
074    }
075
076    public HttpHost getHost() {
077        return this.host;
078    }
079
080}