google-nomulus/java/google/registry/util/JavaCharMatchers.java
weiminyu d7da7f6da4 Replace deprecated CharMatcher method
CharMatcher.isLetterOrDigit() is deprecated for failing to support
supplementary characters. We explicitly declare a matcher for ascii
letters and digits.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=252671830
2019-06-12 13:11:44 -04:00

33 lines
1.1 KiB
Java

// Copyright 2019 The Nomulus Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package google.registry.util;
import com.google.common.base.CharMatcher;
/**
* Creates {@link CharMatcher CharMatchers} that support Java character strings only, not unicode
* supplementary characters.
*/
public class JavaCharMatchers {
/** Returns a {@link CharMatcher} that matcher only ASCII letters and digits. */
public static CharMatcher asciiLetterOrDigitMatcher() {
return CharMatcher.inRange('0', '9')
.or(CharMatcher.inRange('a', 'z'))
.or(CharMatcher.inRange('A', 'Z'));
}
private JavaCharMatchers() {}
}