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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.security.tls.policy;
import java.util.Arrays;
import java.util.Collection;
import java.util.EnumSet;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
import java.util.SortedSet;
import java.util.TreeSet;
import java.util.stream.Collectors;
/**
* @author bjorncs
*/
public class CapabilitySet {
public enum Predefined {
CONTENT_NODE("vespa.content_node",
Capability.CONTENT__STORAGE_API, Capability.CONTENT__DOCUMENT_API, Capability.SLOBROK__API),
CONTAINER_NODE("vespa.container_node",
Capability.CONTENT__DOCUMENT_API, Capability.CONTENT__SEARCH_API, Capability.SLOBROK__API),
TELEMETRY("vespa.telemetry",
Capability.CONTENT__STATUS_PAGES, Capability.CONTENT__METRICS_API),
CLUSTER_CONTROLLER_NODE("vespa.cluster_controller_node",
Capability.CONTENT__CLUSTER_CONTROLLER__INTERNAL_STATE_API, Capability.SLOBROK__API),
CONFIG_SERVER("vespa.config_server"),
;
private final String name;
private final EnumSet<Capability> caps;
Predefined(String name, Capability... caps) {
this.name = name;
this.caps = caps.length == 0 ? EnumSet.noneOf(Capability.class) : EnumSet.copyOf(List.of(caps)); }
public static Optional<Predefined> fromName(String name) {
return Arrays.stream(values()).filter(p -> p.name.equals(name)).findAny();
}
}
private static final CapabilitySet ALL_CAPABILITIES = new CapabilitySet(EnumSet.allOf(Capability.class));
private static final CapabilitySet NO_CAPABILITIES = new CapabilitySet(EnumSet.noneOf(Capability.class));
private final EnumSet<Capability> caps;
private CapabilitySet(EnumSet<Capability> caps) { this.caps = caps; }
public static CapabilitySet fromNames(Collection<String> names) {
EnumSet<Capability> caps = EnumSet.noneOf(Capability.class);
for (String name : names) {
Predefined predefined = Predefined.fromName(name).orElse(null);
if (predefined != null) caps.addAll(predefined.caps);
else caps.add(Capability.fromName(name));
}
return new CapabilitySet(caps);
}
public static CapabilitySet from(EnumSet<Capability> caps) { return new CapabilitySet(EnumSet.copyOf(caps)); }
public static CapabilitySet from(Collection<Capability> caps) { return new CapabilitySet(EnumSet.copyOf(caps)); }
public static CapabilitySet from(Capability... caps) { return new CapabilitySet(EnumSet.copyOf(List.of(caps))); }
public static CapabilitySet all() { return ALL_CAPABILITIES; }
public static CapabilitySet none() { return NO_CAPABILITIES; }
public boolean hasAllCapabilities() { return this.caps.equals(ALL_CAPABILITIES.caps); }
public SortedSet<String> toCapabilityNames() {
return caps.stream().map(Capability::asString).collect(Collectors.toCollection(TreeSet::new));
}
@Override
public String toString() {
return "CapabilitySet{" +
"caps=" + caps +
'}';
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
CapabilitySet that = (CapabilitySet) o;
return Objects.equals(caps, that.caps);
}
@Override
public int hashCode() {
return Objects.hash(caps);
}
}
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