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e2db3f914e
This removes some qualifiers that aren't necessary (e.g. public/abstract on interfaces, private on enum constructors, final on private methods, static on nested interfaces/enums), uses Java 8 lambdas and features where that's an improvement ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=177182945
71 lines
2.2 KiB
Java
71 lines
2.2 KiB
Java
// Copyright 2017 The Nomulus Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.util;
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import static com.google.common.collect.ImmutableSet.toImmutableSet;
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import com.google.common.collect.ImmutableSet;
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import com.google.common.collect.Iterables;
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/**
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* A utility class for generating various auth tokens using a common prefixed-based format.
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* These tokens are generally of the form [TYPE]_[randomstring].
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*/
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public final class TokenUtils {
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/** An enum containing definitions (prefix and length) for token types. */
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public enum TokenType {
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ANCHOR_TENANT("ANCHOR", 16),
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LRP("LRP", 16);
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private final String prefix;
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private final int length;
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TokenType(String prefix, int length) {
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this.prefix = prefix;
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this.length = length;
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}
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/** Returns the prefix for a given type. */
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public String getPrefix() {
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return prefix;
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}
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/** Returns the set token length for a given type (not including the prefix). */
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public int getLength() {
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return length;
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}
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}
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/** Generates a single token of a given {@link TokenType}. */
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public static String createToken(TokenType type, StringGenerator generator) {
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return Iterables.getOnlyElement(createTokens(type, generator, 1));
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}
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/** Generates an {@link ImmutableSet} of tokens of a given {@link TokenType}. */
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public static ImmutableSet<String> createTokens(
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final TokenType type,
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StringGenerator generator,
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int count) {
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return generator
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.createStrings(type.getLength(), count)
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.stream()
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.map(token -> String.format("%s_%s", type.getPrefix(), token))
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.collect(toImmutableSet());
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}
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private TokenUtils() {}
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}
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