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c0f8da0c6e
This was a surprisingly involved change. Some of the difficulties included java.util.Optional purposely not being Serializable (so I had to move a few Optionals in mapreduce classes to @Nullable) and having to add the Truth Java8 extension library for assertion support. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=171863777
33 lines
1.3 KiB
Java
33 lines
1.3 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.tldconfig.idn;
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import com.google.common.collect.ImmutableMap;
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import java.util.Optional;
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abstract class LanguageValidator {
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/** A registry of all known language validators keyed by their language code. */
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private static final ImmutableMap<String, LanguageValidator> LANGUAGE_VALIDATORS =
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ImmutableMap.<String, LanguageValidator>of("ja", new JapaneseLanguageValidator());
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/** Return the language validator for the given language code (if one exists). */
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static Optional<LanguageValidator> get(String language) {
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return Optional.ofNullable(LANGUAGE_VALIDATORS.get(language));
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}
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/** Returns true if the label meets the context rules for this language. */
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abstract boolean isValidLabelForLanguage(String label);
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}
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