Java tutorial
/* * ==================================================================== * 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.http.conn; import java.io.IOException; import java.net.ConnectException; import java.net.InetAddress; import java.util.Arrays; import org.apache.http.HttpHost; import org.apache.http.annotation.Immutable; /** * A {@link ConnectException} that specifies the {@link HttpHost} that was * being connected to. * * @since 4.0 */ @Immutable public class HttpHostConnectException extends ConnectException { private static final long serialVersionUID = -3194482710275220224L; private final HttpHost host; /** * @deprecated (4.3) use {@link #HttpHostConnectException(java.io.IOException, org.apache.http.HttpHost, * java.net.InetAddress...)} */ @Deprecated public HttpHostConnectException(final HttpHost host, final ConnectException cause) { this(cause, host, null); } /** * Creates a HttpHostConnectException based on original {@link java.io.IOException}. * * @since 4.3 */ public HttpHostConnectException(final IOException cause, final HttpHost host, final InetAddress... remoteAddresses) { super("Connect to " + (host != null ? host.toHostString() : "remote host") + (remoteAddresses != null && remoteAddresses.length > 0 ? " " + Arrays.asList(remoteAddresses) : "") + ((cause != null && cause.getMessage() != null) ? " failed: " + cause.getMessage() : " refused")); this.host = host; initCause(cause); } public HttpHost getHost() { return this.host; } }