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How to use String.decodeBase64ToArray method of com.github.kittinunf.fuel.util.Base64 class

Best Fuel code snippet using com.github.kittinunf.fuel.util.Base64.String.decodeBase64ToArray

Base64.kt

Source:Base64.kt

1package com.github.kittinunf.fuel.util2/**3 * Inspired From https://github.com/square/okio/blob/master/okio/src/main/kotlin/okio/-Base64.kt4 */5import java.lang.System.arraycopy6fun ByteArray.encodeBase64(): ByteArray = encodeBase64ToArray()7fun ByteArray.encodeBase64Url(): ByteArray = encodeBase64ToArray(map = BASE64_URL_SAFE)8fun String.encodeBase64ToString(): String = String(toByteArray().encodeBase64())9fun String.encodeBase64UrlToString(): String = String(toByteArray().encodeBase64Url())10fun String.decodeBase64(): ByteArray? = decodeBase64ToArray()?.let { it }11fun String.decodeBase64ToString(): String? = decodeBase64ToArray()?.let { String(it) }12private val regular = listOf(('A'..'Z'), ('a'..'z'), ('0'..'9'), listOf('+', '/'))13private val urlSafe = listOf(('A'..'Z'), ('a'..'z'), ('0'..'9'), listOf('-', '_'))14private val BASE64 = regular.flatten().map { it.toByte() }.toByteArray()15private val BASE64_URL_SAFE = urlSafe.flatten().map { it.toByte() }.toByteArray()16private fun ByteArray.encodeBase64ToArray(map: ByteArray = BASE64): ByteArray {17    val length = (size + 2) / 3 * 418    val out = ByteArray(length)19    var index = 020    val end = size - size % 321    var i = 022    while (i < end) {23        val b0 = this[i++].toInt()24        val b1 = this[i++].toInt()25        val b2 = this[i++].toInt()26        out[index++] = map[(b0 and 0xff shr 2)]27        out[index++] = map[(b0 and 0x03 shl 4) or (b1 and 0xff shr 4)]28        out[index++] = map[(b1 and 0x0f shl 2) or (b2 and 0xff shr 6)]29        out[index++] = map[(b2 and 0x3f)]30    }31    when (size - end) {32        1 -> {33            val b0 = this[i].toInt()34            out[index++] = map[b0 and 0xff shr 2]35            out[index++] = map[b0 and 0x03 shl 4]36            out[index++] = '='.toByte()37            out[index] = '='.toByte()38        }39        2 -> {40            val b0 = this[i++].toInt()41            val b1 = this[i].toInt()42            out[index++] = map[(b0 and 0xff shr 2)]43            out[index++] = map[(b0 and 0x03 shl 4) or (b1 and 0xff shr 4)]44            out[index++] = map[(b1 and 0x0f shl 2)]45            out[index] = '='.toByte()46        }47    }48    return out49}50private fun String.decodeBase64ToArray(): ByteArray? {51    // Ignore trailing '=' padding and whitespace from the input.52    var limit = length53    while (limit > 0) {54        val c = this[limit - 1]55        if (c != '=' && c != '\n' && c != '\r' && c != ' ' && c != '\t') {56            break57        }58        limit--59    }60    // If the input includes whitespace, this output array will be longer than necessary.61    val out = ByteArray((limit * 6L / 8L).toInt())62    var outCount = 063    var inCount = 064    var word = 065    for (pos in 0 until limit) {66        val c = this[pos]67        val bits: Int68        if (c in 'A'..'Z') {69            // char ASCII value70            //  A    65    071            //  Z    90    25 (ASCII - 65)72            bits = c.toInt() - 6573        } else if (c in 'a'..'z') {74            // char ASCII value75            //  a    97    2676            //  z    122   51 (ASCII - 71)77            bits = c.toInt() - 7178        } else if (c in '0'..'9') {79            // char ASCII value80            //  0    48    5281            //  9    57    61 (ASCII + 4)82            bits = c.toInt() + 483        } else if (c == '+' || c == '-') {84            bits = 6285        } else if (c == '/' || c == '_') {86            bits = 6387        } else if (c == '\n' || c == '\r' || c == ' ' || c == '\t') {88            continue89        } else {90            return null91        }92        // Append this char's 6 bits to the word.93        word = word shl 6 or bits94        // For every 4 chars of input, we accumulate 24 bits of output. Emit 3 bytes.95        inCount++96        if (inCount % 4 == 0) {97            out[outCount++] = (word shr 16).toByte()98            out[outCount++] = (word shr 8).toByte()99            out[outCount++] = word.toByte()100        }101    }102    val lastWordChars = inCount % 4103    when (lastWordChars) {104        1 -> {105            // We read 1 char followed by "===". But 6 bits is a truncated byte! Fail.106            return null107        }108        2 -> {109            // We read 2 chars followed by "==". Emit 1 byte with 8 of those 12 bits.110            word = word shl 12111            out[outCount++] = (word shr 16).toByte()112        }113        3 -> {114            // We read 3 chars, followed by "=". Emit 2 bytes for 16 of those 18 bits.115            word = word shl 6116            out[outCount++] = (word shr 16).toByte()117            out[outCount++] = (word shr 8).toByte()118        }119    }120    // If we sized our out array perfectly, we're done.121    if (outCount == out.size) return out122    // Copy the decoded bytes to a new, right-sized array.123    val prefix = ByteArray(outCount)124    arraycopy(out, 0, prefix, 0, outCount)125    return prefix126}...

String.decodeBase64ToArray

Using AI Code Generation

1val byteArray = Base64.decodeBase64ToArray(base64String)2val decodedString = String(byteArray)3println(decodedString)4val base64String = decodedString.encodeToBase64()5println(base64String)6val byteArray = byteArrayOf(0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x2c, 0x20, 0x57, 0x6f, 0x72, 0x6c, 0x64, 0x21)7val base64String = Base64.encodeToString(byteArray)8println(base64String)9val byteArray = Base64.decode(base64String)10val decodedString = String(byteArray)11println(decodedString)12val base64String = Base64.encodeToString(decodedString)13println(base64String)14val byteArray = byteArrayOf(0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x2c, 0x20, 0x57, 0x6f, 0x72, 0x6c, 0x64, 0x21)

String.decodeBase64ToArray

Using AI Code Generation

1        val decodedByteArray = String.decodeBase64ToArray(base64String)2        println(String(decodedByteArray))3        val base64EncodedString = String.encodeBase64("hello world")4        println(base64EncodedString)5        val base64EncodedString2 = "hello world".encodeBase64()6        println(base64EncodedString2)7        val base64EncodedString3 = "hello world".encodeBase64()8        println(base64EncodedString3)9        val base64EncodedString4 = "hello world".encodeBase64()10        println(base64EncodedString4)11        val base64EncodedString5 = "hello world".encodeBase64()12        println(base64EncodedString5)13        val base64EncodedString6 = "hello world".encodeBase64()14        println(base64EncodedString6)

String.decodeBase64ToArray

Using AI Code Generation

1String imageString = Base64.decodeBase64ToArray(imageString);2Bitmap bitmap = BitmapFactory.decodeByteArray(imageString, 0, imageString.length);3image.setImageBitmap(bitmap);4String imageString = Base64.decodeBase64(imageString);5Bitmap bitmap = BitmapFactory.decodeByteArray(imageString.getBytes(), 0, imageString.length());6image.setImageBitmap(bitmap);7String imageString = Base64.decodeBase64ToArray(imageString);8Bitmap bitmap = BitmapFactory.decodeByteArray(imageString, 0, imageString.length);9image.setImageBitmap(bitmap);

String.decodeBase64ToArray

Using AI Code Generation

1fun String.decodeBase64ToArray(): ByteArray = Base64.decodeBase64(this)2fun String.decodeBase64ToByteArray(): ByteArray = Base64.decodeBase64(this)3fun String.decodeBase64ToString(): String = Base64.decodeBase64(this).toString(Charsets.UTF_8)4fun String.decodeBase64ToByteArray(charset: Charset): ByteArray = Base64.decodeBase64(this).toString(charset).toByteArray()5fun String.decodeBase64ToString(charset: Charset): String = Base64.decodeBase64(this).toString(charset)6fun String.decodeBase64ToByteArray(charset: String): ByteArray = Base64.decodeBase64(this).toString(charset(charset)).toByteArray()7fun String.decodeBase64ToString(charset: String): String = Base64.decodeBase64(this).toString(charset(charset))

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