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KeyImpl.java
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KeyImpl.java
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/*
* This file is part of adventure, licensed under the MIT License.
*
* Copyright (c) 2017-2022 KyoriPowered
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package net.kyori.adventure.key;
import java.util.Comparator;
import java.util.Objects;
import java.util.stream.Stream;
import net.kyori.examination.ExaminableProperty;
import org.jetbrains.annotations.NotNull;
import static java.util.Objects.requireNonNull;
final class KeyImpl implements Key {
static final Comparator<? super Key> COMPARATOR = Comparator.comparing(Key::value).thenComparing(Key::namespace);
static final String NAMESPACE_PATTERN = "[a-z0-9_\\-.]+";
static final String VALUE_PATTERN = "[a-z0-9_\\-./]+";
private final String namespace;
private final String value;
KeyImpl(final @NotNull String namespace, final @NotNull String value) {
if (!Key.parseableNamespace(namespace)) throw new InvalidKeyException(namespace, value, String.format("Non [a-z0-9_.-] character in namespace of Key[%s]", asString(namespace, value)));
if (!Key.parseableValue(value)) throw new InvalidKeyException(namespace, value, String.format("Non [a-z0-9/._-] character in value of Key[%s]", asString(namespace, value)));
this.namespace = requireNonNull(namespace, "namespace");
this.value = requireNonNull(value, "value");
}
static boolean allowedInNamespace(final char character) {
return character == '_' || character == '-' || (character >= 'a' && character <= 'z') || (character >= '0' && character <= '9') || character == '.';
}
static boolean allowedInValue(final char character) {
return character == '_' || character == '-' || (character >= 'a' && character <= 'z') || (character >= '0' && character <= '9') || character == '.' || character == '/';
}
@Override
public @NotNull String namespace() {
return this.namespace;
}
@Override
public @NotNull String value() {
return this.value;
}
@Override
public @NotNull String asString() {
return asString(this.namespace, this.value);
}
private static @NotNull String asString(final @NotNull String namespace, final @NotNull String value) {
return namespace + ':' + value;
}
@Override
public @NotNull String toString() {
return this.asString();
}
@Override
public @NotNull Stream<? extends ExaminableProperty> examinableProperties() {
return Stream.of(
ExaminableProperty.of("namespace", this.namespace),
ExaminableProperty.of("value", this.value)
);
}
@Override
public boolean equals(final Object other) {
if (this == other) return true;
if (!(other instanceof Key)) return false;
final Key that = (Key) other;
return Objects.equals(this.namespace, that.namespace()) && Objects.equals(this.value, that.value());
}
@Override
public int hashCode() {
int result = this.namespace.hashCode();
result = (31 * result) + this.value.hashCode();
return result;
}
@Override
public int compareTo(final @NotNull Key that) {
return Key.super.compareTo(that);
}
}