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/*
* ====================================================================
* 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
* .
*
*/
package io.logspace.agent.shaded.apache.http;
import java.io.Serializable;
import java.net.InetAddress;
import java.util.Locale;
import io.logspace.agent.shaded.apache.http.annotation.Immutable;
import io.logspace.agent.shaded.apache.http.util.Args;
import io.logspace.agent.shaded.apache.http.util.LangUtils;
/**
* Holds all of the variables needed to describe an HTTP connection to a host.
* This includes remote host name, port and scheme.
*
*
* @since 4.0
*/
@Immutable
public final class HttpHost implements Cloneable, Serializable {
private static final long serialVersionUID = -7529410654042457626L;
/** The default scheme is "http". */
public static final String DEFAULT_SCHEME_NAME = "http";
/** The host to use. */
protected final String hostname;
/** The lowercase host, for {@link #equals} and {@link #hashCode}. */
protected final String lcHostname;
/** The port to use, defaults to -1 if not set. */
protected final int port;
/** The scheme (lowercased) */
protected final String schemeName;
protected final InetAddress address;
/**
* Creates a new {@link HttpHost HttpHost}, specifying all values.
* Constructor for HttpHost.
*
* @param hostname the hostname (IP or DNS name)
* @param port the port number.
* -1 indicates the scheme default port.
* @param scheme the name of the scheme.
* null indicates the
* {@link #DEFAULT_SCHEME_NAME default scheme}
*/
public HttpHost(final String hostname, final int port, final String scheme) {
super();
this.hostname = Args.notBlank(hostname, "Host name");
this.lcHostname = hostname.toLowerCase(Locale.ENGLISH);
if (scheme != null) {
this.schemeName = scheme.toLowerCase(Locale.ENGLISH);
} else {
this.schemeName = DEFAULT_SCHEME_NAME;
}
this.port = port;
this.address = null;
}
/**
* Creates a new {@link HttpHost HttpHost}, with default scheme.
*
* @param hostname the hostname (IP or DNS name)
* @param port the port number.
* -1 indicates the scheme default port.
*/
public HttpHost(final String hostname, final int port) {
this(hostname, port, null);
}
/**
* Creates a new {@link HttpHost HttpHost}, with default scheme and port.
*
* @param hostname the hostname (IP or DNS name)
*/
public HttpHost(final String hostname) {
this(hostname, -1, null);
}
/**
* Creates a new {@link HttpHost HttpHost}, specifying all values.
* Constructor for HttpHost.
*
* @param address the inet address.
* @param port the port number.
* -1 indicates the scheme default port.
* @param scheme the name of the scheme.
* null indicates the
* {@link #DEFAULT_SCHEME_NAME default scheme}
*
* @since 4.3
*/
public HttpHost(final InetAddress address, final int port, final String scheme) {
super();
this.address = Args.notNull(address, "Inet address");
this.hostname = address.getHostAddress();
this.lcHostname = this.hostname.toLowerCase(Locale.ENGLISH);
if (scheme != null) {
this.schemeName = scheme.toLowerCase(Locale.ENGLISH);
} else {
this.schemeName = DEFAULT_SCHEME_NAME;
}
this.port = port;
}
/**
* Creates a new {@link HttpHost HttpHost}, with default scheme.
*
* @param address the inet address.
* @param port the port number.
* -1 indicates the scheme default port.
*
* @since 4.3
*/
public HttpHost(final InetAddress address, final int port) {
this(address, port, null);
}
/**
* Creates a new {@link HttpHost HttpHost}, with default scheme and port.
*
* @param address the inet address.
*
* @since 4.3
*/
public HttpHost(final InetAddress address) {
this(address, -1, null);
}
/**
* Copy constructor for {@link HttpHost HttpHost}.
*
* @param httphost the HTTP host to copy details from
*/
public HttpHost (final HttpHost httphost) {
super();
Args.notNull(httphost, "HTTP host");
this.hostname = httphost.hostname;
this.lcHostname = httphost.lcHostname;
this.schemeName = httphost.schemeName;
this.port = httphost.port;
this.address = httphost.address;
}
/**
* Returns the host name.
*
* @return the host name (IP or DNS name)
*/
public String getHostName() {
return this.hostname;
}
/**
* Returns the port.
*
* @return the host port, or -1 if not set
*/
public int getPort() {
return this.port;
}
/**
* Returns the scheme name.
*
* @return the scheme name
*/
public String getSchemeName() {
return this.schemeName;
}
/**
* Returns the inet address if explicitly set by a constructor,
* null otherwise.
* @return the inet address
*
* @since 4.3
*/
public InetAddress getAddress() {
return this.address;
}
/**
* Return the host URI, as a string.
*
* @return the host URI
*/
public String toURI() {
final StringBuilder buffer = new StringBuilder();
buffer.append(this.schemeName);
buffer.append("://");
buffer.append(this.hostname);
if (this.port != -1) {
buffer.append(':');
buffer.append(Integer.toString(this.port));
}
return buffer.toString();
}
/**
* Obtains the host string, without scheme prefix.
*
* @return the host string, for example localhost:8080
*/
public String toHostString() {
if (this.port != -1) {
//the highest port number is 65535, which is length 6 with the addition of the colon
final StringBuilder buffer = new StringBuilder(this.hostname.length() + 6);
buffer.append(this.hostname);
buffer.append(":");
buffer.append(Integer.toString(this.port));
return buffer.toString();
} else {
return this.hostname;
}
}
@Override
public String toString() {
return toURI();
}
@Override
public boolean equals(final Object obj) {
if (this == obj) {
return true;
}
if (obj instanceof HttpHost) {
final HttpHost that = (HttpHost) obj;
return this.lcHostname.equals(that.lcHostname)
&& this.port == that.port
&& this.schemeName.equals(that.schemeName);
} else {
return false;
}
}
/**
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
int hash = LangUtils.HASH_SEED;
hash = LangUtils.hashCode(hash, this.lcHostname);
hash = LangUtils.hashCode(hash, this.port);
hash = LangUtils.hashCode(hash, this.schemeName);
return hash;
}
@Override
public Object clone() throws CloneNotSupportedException {
return super.clone();
}
}
