| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * 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 com.android.server.soundtrigger_middleware; |
| |
| import java.util.regex.Pattern; |
| |
| /** |
| * Utilities for representing UUIDs as strings. |
| * |
| * @hide |
| */ |
| public class UuidUtil { |
| /** |
| * Regex pattern that can be used to validate / extract the various fields of a string-formatted |
| * UUID. |
| */ |
| static final Pattern PATTERN = Pattern.compile("^([a-fA-F0-9]{8})-" + |
| "([a-fA-F0-9]{4})-" + |
| "([a-fA-F0-9]{4})-" + |
| "([a-fA-F0-9]{4})-" + |
| "([a-fA-F0-9]{2})" + |
| "([a-fA-F0-9]{2})" + |
| "([a-fA-F0-9]{2})" + |
| "([a-fA-F0-9]{2})" + |
| "([a-fA-F0-9]{2})" + |
| "([a-fA-F0-9]{2})$"); |
| |
| /** Printf-style pattern for formatting the various fields of a UUID as a string. */ |
| static final String FORMAT = "%08x-%04x-%04x-%04x-%02x%02x%02x%02x%02x%02x"; |
| } |