forked from yegor256/rultor
/
SmartHost.java
77 lines (73 loc) · 2.61 KB
/
SmartHost.java
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/*
* Copyright (c) 2009-2024 Yegor Bugayenko
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met: 1) Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer. 2) Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution. 3) Neither the name of the rultor.com nor
* the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
* NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.rultor.agents.shells;
import com.jcabi.aspects.Immutable;
import java.net.InetAddress;
import java.net.UnknownHostException;
import lombok.EqualsAndHashCode;
import lombok.ToString;
/**
* Host.
*
* @since 1.77.0
*/
@Immutable
@ToString
@EqualsAndHashCode(of = "host")
@SuppressWarnings({"PMD.ShortMethodName",
"PMD.ConstructorOnlyInitializesOrCallOtherConstructors"})
final class SmartHost {
/**
* Server address.
*/
private final transient InetAddress host;
/**
* Ctor.
* @param address Host name or IP address
* @throws UnknownHostException in case of address is not resolved
*/
SmartHost(final String address) throws UnknownHostException {
if (address.isEmpty()) {
throw new IllegalArgumentException(
"Host is mandatory"
);
}
this.host = InetAddress.getByName(address);
}
/**
* Host's IP.
*
* @return Ip address
* @checkstyle MethodNameCheck (3 lines)
*/
public String ip() {
return this.host.getHostAddress();
}
}