forked from GitHub-Mirror/riotX-android
59 lines
1.6 KiB
Kotlin
59 lines
1.6 KiB
Kotlin
/*
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* Copyright 2018 New Vector Ltd
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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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*/
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package im.vector.matrix.android.internal.util
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import im.vector.matrix.android.api.MatrixPatterns
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import timber.log.Timber
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/**
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* Convert a string to an UTF8 String
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*
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* @param s the string to convert
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* @return the utf-8 string
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*/
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fun convertToUTF8(s: String): String? {
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return try {
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val bytes = s.toByteArray(Charsets.UTF_8)
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String(bytes)
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} catch (e: Exception) {
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Timber.e(e, "## convertToUTF8() failed")
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null
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}
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}
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/**
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* Convert a string from an UTF8 String
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*
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* @param s the string to convert
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* @return the utf-16 string
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*/
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fun convertFromUTF8(s: String): String? {
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return try {
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val bytes = s.toByteArray()
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String(bytes, Charsets.UTF_8)
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} catch (e: Exception) {
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Timber.e(e, "## convertFromUTF8() failed")
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null
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}
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}
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fun String?.firstLetterOfDisplayName(): String {
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if (this.isNullOrEmpty()) return ""
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val isUserId = MatrixPatterns.isUserId(this)
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val firstLetterIndex = if (isUserId) 1 else 0
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return this[firstLetterIndex].toString().toUpperCase()
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} |