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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.node.admin.container;
import java.util.Objects;
import java.util.regex.Pattern;
/**
* Type-safe value wrapper for docker container names.
*
* @author bakksjo
*/
public class ContainerName implements Comparable<ContainerName> {
private static final Pattern LEGAL_CONTAINER_NAME_PATTERN = Pattern.compile("^[a-zA-Z0-9_-]+$");
private final String name;
public ContainerName(final String name) {
this.name = Objects.requireNonNull(name);
if (! LEGAL_CONTAINER_NAME_PATTERN.matcher(name).matches()) {
throw new IllegalArgumentException("Illegal container name: " + name + ". Must match " +
LEGAL_CONTAINER_NAME_PATTERN.pattern());
}
}
public String asString() {
return name;
}
public static ContainerName fromHostname(final String hostName) {
return new ContainerName(hostName.split("\\.", 2)[0]);
}
@Override
public int hashCode() {
return name.hashCode();
}
@Override
public boolean equals(Object o) {
if (!(o instanceof ContainerName other)) {
return false;
}
return Objects.equals(name, other.name);
}
@Override
public String toString() {
return getClass().getSimpleName() + " {"
+ " name=" + name
+ " }";
}
@Override
public int compareTo(ContainerName o) {
return name.compareTo(o.name);
}
}
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