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tomldeps.gradle.kts
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tomldeps.gradle.kts
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import org.gradle.api.internal.artifacts.dependencies.DefaultExternalModuleDependency
import org.tomlj.Toml
import org.tomlj.TomlParseResult
// APACHE-2 License
// Author: Tomáš Procházka <tomas.prochazka@gmail.com>
// This script will not modify existing files by default, it will create a copy of them and then you can decide what to use.
// Script support only dependencies defined in this format
// "com.squareup.okhttp3:okhttp:1.0.0"
// or with variable instead of version like:
// "com.squareup.okhttp3:okhttp:${rootProject.ext.okhttpLibVersion}"
enum class Operation {
NOTHING, GENERATE_TOML, REPLACE_DEPS_BY_TOML
}
// What will script do when you run gradlew
// Together with GENERATE_TOML it can also replace variables with direct version and do simple to Kotlin conversion
val operation = Operation.NOTHING
// Name of file to scan in all modules, change to build.gradle.kts if you use Kotlin already
val inputFilesName = "build.gradle"
// Input/Output location for TOML file
val toml = File(projectDir, "gradle/libs.versions.toml")
// Will replace custom variables like "com.squareup.okhttp3:okhttp:${rootProject.ext.okhttpLibVersion}" by used version directly
val replaceVariablesWithDirectVersion = true
// It will never do a conversion on .kts files
val doToKotlinConversion = true
// Replace original files
val replaceOriginalFiles = false
// Helper methods
/**
* Convert string to camelCase with remove all non-word characters like _ or -
*/
fun String.toCamelCase(): String = split("""\W""".toRegex())
.mapIndexed { index, s -> if (index > 0) s.capitalize() else s.decapitalize() }
.joinToString("")
/**
* Generate alias from dependency. Modify it to your requirements.
*/
fun generateAlias(d: Dependency): String {
var alias = d.name.replace("-android", "")
if (d.group!!.contains("androidx.test")) {
alias = "androidx-test-$alias"
} else if (d.group!!.contains("androidx")) {
alias = "androidx-$alias"
} else if (d.group == "com.google.ads.mediation") {
alias = "googleAdsMediation-$alias"
} else if (d.name == "lib") {
alias = d.group!!.split(".").last()
} else if (d.name == "af-android-sdk") {
alias = "appsflyer"
} else if (d.group!!.contains("okhttp") && !d.name.contains("okhttp")) {
alias = "okhttp-" + d.name
}
return alias.toCamelCase()
}
buildscript {
repositories {
mavenCentral()
}
dependencies {
classpath("org.tomlj:tomlj:1.0.0")
}
}
println("TOML dependnecies conversion script init")
// Next code is based on https://github.com/bernaferrari/GradleKotlinConverter
// commit 24614a839defe5c494a3a9904abd40e3d8da0d94
// Bernardo Ferrari
// APACHE-2 License
val DEBUG = false
// anything with ' ('1.0.0', 'kotlin-android', 'jitpack', etc)
// becomes
// anything with " ("1.0.0", "kotlin-android", "jitpack", etc)
fun String.replaceApostrophes(): String = this.replace("'", "\"")
// def appcompat = "1.0.0"
// becomes
// val appcompat = "1.0.0"
fun String.replaceDefWithVal(): String = this.replace("(^|\\s)def ".toRegex()) { valReplacer ->
// only convert when " def " or "def " (start of the line).
// if a variable is named highdef, it won't be converted.
valReplacer.value.replace("def", "val")
}
// final String<T> foo = "bar"
// becomes
// val foo: String<T> = "bar"
fun String.convertVariableDeclaration(): String {
val varDeclExp = """(?:final\s+)?(\w+)(<.+>)? +(\w+)\s*=\s*(.+)""".toRegex()
return this.replace(varDeclExp) {
val (type, genericsType, id, value) = it.destructured
if (type == "val") {
"val $id = $value"
} else {
"val $id: $type${genericsType.orEmpty()} = $value"
}
}
}
// [items...]
// becomes
// listOf(items...)
fun String.convertArrayExpression(): String {
val arrayExp = """\[([^\]]*?)\]""".toRegex(RegexOption.DOT_MATCHES_ALL)
return this.replace(arrayExp) {
"listOf(${it.groupValues[1]})"
}
}
// apply plugin: "kotlin-android"
// becomes
// apply(plugin = "kotlin-android")
fun String.convertPlugins(): String {
val pluginsExp = """apply plugin: (\S+)""".toRegex()
return this.replace(pluginsExp) {
val (pluginId) = it.destructured
// it identifies the plugin id and rebuilds the line.
"apply(plugin = $pluginId)"
}
}
// NEED TO RUN BEFORE [convertDependencies].
// compile ":epoxy-annotations"
// becomes
// implementation ":epoxy-annotations"
fun String.convertCompileToImplementation(): String {
val outerExp = "(compile|testCompile)(?!O).*\".*\"".toRegex()
return this.replace(outerExp) {
if ("testCompile" in it.value) {
it.value.replace("testCompile", "testImplementation")
} else {
it.value.replace("compile", "implementation")
}
}
}
// implementation ":epoxy-annotations"
// becomes
// implementation(":epoxy-annotations")
fun String.convertDependencies(): String {
val testKeywords = "testImplementation|androidTestImplementation|debugImplementation|compileOnly|testCompileOnly|runtimeOnly|developmentOnly"
val gradleKeywords = "($testKeywords|implementation|api|annotationProcessor|classpath|kapt|check)".toRegex()
// ignore cases like kapt { correctErrorTypes = true } and apply plugin: ('kotlin-kapt") but pass kapt("...")
// ignore keyWord followed by a space and a { or a " and a )
val validKeywords = "(?!$gradleKeywords\\s*(\\{|\"\\)|\\.))$gradleKeywords.*".toRegex()
return this.replace(validKeywords) { substring ->
// retrieve the comment [//this is a comment], if any
val comment = "\\s*\\/\\/.*".toRegex().find(substring.value)?.value ?: ""
// remove the comment from the string. It will be added again at the end.
val processedSubstring = substring.value.replace(comment, "")
// we want to know if it is a implementation, api, etc
val gradleKeyword = gradleKeywords.find(processedSubstring)?.value
// implementation ':epoxy-annotations' becomes 'epoxy-annotations'
val isolated = processedSubstring.replaceFirst(gradleKeywords, "").trim()
// can't be && for the kapt project(':epoxy-processor') scenario, where there is a ) on the last element.
if (isolated != "" && (isolated.first() != '(' || isolated.last { it != ' ' } != ')')) {
"$gradleKeyword($isolated)$comment"
} else {
"$gradleKeyword$isolated$comment"
}
}
}
// signingConfig signingConfigs.release
// becomes
// signingConfig = signingConfigs.getByName("release")
fun String.convertSigningConfigBuildType(): String {
val outerExp = "signingConfig.*signingConfigs.*".toRegex()
return this.replace(outerExp) {
// extracts release from signingConfig signingConfigs.release
val release = it.value.replace("signingConfig.*signingConfigs.".toRegex(), "")
"signingConfig = signingConfigs.getByName(\"$release\")"
}
}
fun String.getExpressionBlock(
expression: Regex,
modifyResult: ((String) -> (String))
): String {
val stringSize = this.count()
return expression.findAll(this)
.toList()
.foldRight(this) { matchResult, accString ->
var rangeStart = matchResult.range.last
var rangeEnd = stringSize
var count = 0
if (DEBUG) {
println("[DP] - range: ${matchResult.range} value: ${matchResult.value}")
}
for (item in rangeStart..stringSize) {
if (this[item] == '{') count += 1 else if (this[item] == '}') count -= 1
if (count == 0) {
rangeEnd = item
break
}
}
if (DEBUG) {
println("[DP] reading this block:\n${this.substring(rangeStart, rangeEnd)}")
}
val convertedStr = modifyResult.invoke(this.substring(rangeStart, rangeEnd))
if (DEBUG) {
println("[DP] outputing this block:\n$convertedStr")
}
accString.replaceRange(rangeStart, rangeEnd, convertedStr)
}
}
fun String.convertNestedTypes(buildTypes: String, named: String): String {
return this.getExpressionBlock("$buildTypes\\s*\\{".toRegex()) { substring ->
substring.replace("\\S*\\s(?=\\{)".toRegex()) {
val valueWithoutWhitespace = it.value.replace(" ", "")
"$named(\"$valueWithoutWhitespace\")"
}
}
}
// buildTypes { release }
// becomes
// buildTypes { named("release") }
fun String.convertBuildTypes(): String = this.convertNestedTypes("buildTypes", "named")
// sourceSets { test }
// becomes
// sourceSets { named("test") }
fun String.convertSourceSets(): String = this.convertNestedTypes("sourceSets", "named")
// signingConfigs { release }
// becomes
// signingConfigs { register("release") }
fun String.convertSigningConfigs(): String = this.convertNestedTypes("signingConfigs", "register")
// maven { url "https://maven.fabric.io/public" }
// becomes
// maven("https://maven.fabric.io/public")
fun String.convertMaven(): String {
val mavenExp = "maven\\s*\\{\\s*url\\s*(.*?)\\s*?}".toRegex()
return this.replace(mavenExp) {
it.value.replace("(= *uri *\\()|\\)|(url)|( )".toRegex(), "")
.replace("{", "(")
.replace("}", ")")
}
}
// compileSdkVersion 28
// becomes
// compileSdkVersion(28)
fun String.addParentheses(): String {
val sdkExp = "(compileSdkVersion|minSdkVersion|targetSdkVersion)\\s*\\d*".toRegex()
return this.replace(sdkExp) {
val split = it.value.split(" ")
// if there is more than one whitespace, the last().toIntOrNull() will find.
if (split.lastOrNull { it.toIntOrNull() != null } != null) {
"${split[0]}(${split.last()})"
} else {
it.value
}
}
}
// id "io.gitlab.arturbosch.detekt" version "1.0.0.RC8"
// becomes
// id("io.gitlab.arturbosch.detekt") version "1.0.0.RC8"
fun String.addParenthesisToId(): String {
// this will only catch id "..." version ..., should skip id("...")
// should get the id "..."
val idExp = "id\\s*\".*?\"".toRegex()
return this.replace(idExp) {
// remove the "id " before the real id
val idValue = it.value.replace("id\\s*".toRegex(), "")
"id($idValue)"
}
}
// versionCode 4
// becomes
// versionCode = 4
fun String.addEquals(): String {
val signing = "keyAlias|keyPassword|storeFile|storePassword"
val other = "multiDexEnabled|correctErrorTypes"
val defaultConfig = "applicationId|versionCode|versionName|testInstrumentationRunner"
val versionExp = "($defaultConfig|$signing|$other).*".toRegex()
return this.replace(versionExp) {
val split = it.value.split(" ")
// if there is more than one whitespace, the last().toIntOrNull() will find.
if (split.lastOrNull { it.isNotBlank() } != null) {
"${split[0]} = ${split.last()}"
} else {
it.value
}
}
}
// proguardFiles getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro"
// becomes
// setProguardFiles(listOf(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
fun String.convertProguardFiles(): String {
val proguardExp = "proguardFiles .*".toRegex()
return this.replace(proguardExp) {
val isolatedArgs = it.value.replace("proguardFiles\\s*".toRegex(), "")
"setProguardFiles(listOf($isolatedArgs))"
}
}
// ext.enableCrashlytics = false
// becomes
// extra.set("enableCrashlytics", false)
fun String.convertExtToExtra(): String {
// get ext... but not ext { ... }
val outerExp = """ext\.(\w+)\s*=\s*(.*)""".toRegex()
return this.replace(outerExp) {
val (name, value) = it.destructured
"extra[\"$name\"] = $value"
}
}
// sourceCompatibility = "1.8" or sourceCompatibility JavaVersion.VERSION_1_8
// becomes
// sourceCompatibility = JavaVersion.VERSION_1_8
fun String.convertJavaCompatibility(): String {
val compatibilityExp = "(sourceCompatibility|targetCompatibility).*".toRegex()
return this.replace(compatibilityExp) {
val split = it.value.replace("\"]*".toRegex(), "").split(" ")
if (split.lastOrNull() != null) {
if ("JavaVersion" in split.last()) {
"${split[0]} = ${split.last()}"
} else {
"${split[0]} = JavaVersion.VERSION_${split.last().replace(".", "_")}"
}
} else {
it.value
}
}
}
// converts the clean task, which is very common to find
fun String.convertCleanTask(): String {
val cleanExp = "task clean\\(type: Delete\\)\\s*\\{[\\s\\S]*}".toRegex()
val registerClean = "tasks.register<Delete>(\"clean\").configure {\n" +
" delete(rootProject.buildDir)\n }"
return this.replace(cleanExp, registerClean)
}
fun String.addIsToStr(blockTitle: String, transform: String): String {
val extensionsExp = "$blockTitle\\s*\\{[\\s\\S]*\\}".toRegex()
if (!extensionsExp.containsMatchIn(this)) return this
val typesExp = "$transform.*".toRegex()
return this.replace(typesExp) {
val split = it.value.split(" ")
if (DEBUG) {
println("[AS] split:\n$split")
}
// if there is more than one whitespace, the last().toIntOrNull() will find.
if (split.lastOrNull { it.isNotBlank() } != null) {
"is${split[0].capitalize()} = ${split.last()}"
} else {
it.value
}
}
}
// androidExtensions { experimental = true }
// becomes
// androidExtensions { isExperimental = true }
fun String.convertInternalBlocks(): String {
return this.addIsToStr("androidExtensions", "experimental")
.addIsToStr("dataBinding", "enabled")
.addIsToStr("lintOptions", "abortOnError")
.addIsToStr("buildTypes", "debuggable")
.addIsToStr("buildTypes", "minifyEnabled")
.addIsToStr("buildTypes", "shrinkResources")
}
// include ":app", ":diffutils"
// becomes
// include(":app", ":diffutils")
fun String.convertInclude(): String {
val expressionBase = "\\s*((\".*\"\\s*,)\\s*)*(\".*\")".toRegex()
val includeExp = "include$expressionBase".toRegex()
return this.replace(includeExp) { includeBlock ->
// avoid cases where some lines at the start/end are blank
val multiLine = includeBlock.value.split('\n').count { it.isNotBlank() } > 1
val isolated = expressionBase.find(includeBlock.value)?.value ?: ""
if (multiLine) "include(\n${isolated.trim()}\n)" else "include(${isolated.trim()})"
// Possible visual improvement: when using multiline, the first line should have the same
// margin/spacement as the others.
}
}
// configurations.classpath.exclude group: 'com.android.tools.external.lombok'
// becomes
// configurations.classpath {
// exclude(group = "com.android.tools.external.lombok")
// }
fun String.convertExcludeClasspath(): String {
val fullLineExp = ".*configurations\\.classpath\\.exclude.*group:.*".toRegex()
if (DEBUG) {
println("[CEC] - reading this line: " + fullLineExp.find(this)?.value)
}
// this will extract "com.android.tools.external.lombok" from the string.
val innerExp = "\\\".*\\\"".toRegex()
return this.replace(fullLineExp) { isolatedLine ->
val isolatedStr = innerExp.find(isolatedLine.value)?.value ?: ""
"configurations.classpath {\n" +
" exclude(group = $isolatedStr)\n" +
"}"
}
}
// classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
// becomes
// classpath(kotlin("gradle-plugin", version = "$kotlin_version"))
//
// implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
// becomes
// implementation(kotlin("stdlib", KotlinCompilerVersion.VERSION))
fun String.convertJetBrainsKotlin(): String {
// if string is implementation("..."), this will extract only the ...
val fullLineExp = "\"org.jetbrains.kotlin:kotlin-.*(?=\\))".toRegex()
val removeExp = "(?!org.jetbrains.kotlin:kotlin)-.*".toRegex()
var shouldImportKotlinCompiler = false
val newText = this.replace(fullLineExp) { isolatedLine ->
// drop first "-" and remove last "
val substring = (removeExp.find(isolatedLine.value)?.value ?: "").drop(1).replace("\"", "")
val splittedSubstring = substring.split(":")
if ("stdlib" in substring) {
shouldImportKotlinCompiler = true
"kotlin(\"stdlib\", KotlinCompilerVersion.VERSION)"
} else if (splittedSubstring.size == 2) {
"kotlin(\"${splittedSubstring[0]}\", version = \"${splittedSubstring[1]}\")"
} else {
"kotlin(\"${splittedSubstring[0]}\")"
}
}
return if (shouldImportKotlinCompiler) {
"import org.jetbrains.kotlin.config.KotlinCompilerVersion\n\n" + newText
} else {
newText
}
}
// implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
// becomes
// implementation(kotlin("stdlib", KotlinCompilerVersion.VERSION))
fun String.convertPluginsIntoOneBlock(): String {
// group plugin expressions. There can't be any space or tabs on the start of the line, else the regex will fail.
// ok example:
// apply(...)
// apply(...)
//
// not ok example:
// apply(...)
// apply(...)
val fullLineExp = "(apply\\(plugin\\s*=\\s*\".*\"\\)[\\s\\S]){2,}".toRegex()
val isolatedId = "\".*\"(?=\\))".toRegex()
return this.replace(fullLineExp) { isolatedLine ->
// this will fold the ids into a single string
val plugins = isolatedId.findAll(isolatedLine.value)?.fold("") { acc, matchResult ->
acc + " id(${matchResult.value})\n"
}
"plugins {\n$plugins}\n"
}
}
// testImplementation(group: "junit", name: "junit", version: "4.12")
// becomes
// testImplementation(group = "junit", name = "junit", version = "4.12")
fun String.replaceColonWithEquals(): String {
// this get "group:"
val expression = "\\w*:\\s*\".*?\"".toRegex()
return this.replace(expression) {
it.value.replace(":", " =")
}
}
fun convertToKotlin(textToConvert: String): String {
return textToConvert
.replaceApostrophes()
.replaceDefWithVal()
.convertArrayExpression()
.convertVariableDeclaration()
.convertPlugins()
.convertPluginsIntoOneBlock()
.convertCompileToImplementation()
.convertDependencies()
.convertMaven()
.addParentheses()
.addEquals()
.convertJavaCompatibility()
.convertCleanTask()
.convertProguardFiles()
.convertInternalBlocks()
.convertInclude()
.convertBuildTypes()
.convertSourceSets()
.convertSigningConfigs()
.convertExcludeClasspath()
.convertJetBrainsKotlin()
.convertSigningConfigBuildType()
.convertExtToExtra()
.addParenthesisToId()
.replaceColonWithEquals()
}
// End of GradleKotlinConverter code
afterEvaluate {
var deps: MutableSet<Dependency> = LinkedHashSet()
var testDeps: MutableSet<Dependency> = LinkedHashSet()
subprojects {
afterEvaluate {
configurations.toList().forEach { configuration ->
val countD = configurations.named(configuration.name).get().allDependencies.size
val countA = configurations.named(configuration.name).get().allArtifacts.size
configurations.named(configuration.name).get().allDependencies.forEach {
if (configuration.name.startsWith("test") || configuration.name.startsWith("androidTest")) {
testDeps.add(it)
} else {
deps.add(it)
}
}
}
}
}
var allGradleFiles = StringBuilder()
projectDir.listFiles()?.forEach { folders ->
folders.listFiles { _, name -> name == inputFilesName }?.forEach { file ->
allGradleFiles.append(file.readText(Charsets.UTF_8))
}
}
fun filter(input: Collection<Dependency>): Collection<Dependency> {
// FIXME: It sort version just as String, so it can happen that older version will be used!!!
return input.filterIsInstance<DefaultExternalModuleDependency>()
.sortedByDescending { it.group + it.name + it.version }
.distinctBy { it.group + it.name }
.filter {
// check if this dependency exists inside of gradle files
allGradleFiles.contains("${it.group}:${it.name}")
}
.asReversed()
}
gradle.buildFinished {
if (operation == Operation.NOTHING) {
return@buildFinished
}
deps = LinkedHashSet(filter(deps))
// also remove duplicities
testDeps = LinkedHashSet(filter(testDeps).filter { !deps.contains(it) })
if (operation == Operation.GENERATE_TOML) {
println("Dependencies")
deps.forEach {
println("${it.group}:${it.name}:${it.version}")
}
println()
println("Test Dependencies")
testDeps.forEach {
println("${it.group}:${it.name}:${it.version}")
}
fun convertFile(file: File) {
println("Converting file: $file")
var text = file.readText(Charsets.UTF_8)
(deps + testDeps).forEach { dep ->
val depStringFinal = "${dep.group}:${dep.name}:${dep.version}"
val depString = "${dep.group}:${dep.name}:"
val re = Regex("""$depString[^"']+""")
text = re.replace(text, depStringFinal)
}
var fileNameSuffix = if (replaceOriginalFiles) "" else ".converted"
if (doToKotlinConversion && file.extension != "kts") {
text = convertToKotlin(text)
fileNameSuffix = ".kts$fileNameSuffix"
}
File(file.parentFile, file.name + fileNameSuffix).writeText(text, Charsets.UTF_8)
}
// replace all dependencies with custom versioning with direct numbers
if (replaceVariablesWithDirectVersion) {
println("Do build script conversion to direct version definition...")
projectDir.listFiles()?.forEach { folder ->
if (folder.isFile && folder.name == inputFilesName) {
convertFile(folder)
} else {
folder.listFiles { _, name -> name == inputFilesName }?.forEach { file -> convertFile(file) }
}
}
}
// generate TOML file code
println("Generate TOML file...")
val versions = (deps + testDeps)
.groupBy { it.group + "-" + it.version }
.filter { it.value.size > 1 }
val versionsAliases: MutableMap<Dependency, String> = HashMap()
toml.writeText("")
toml.appendText("[versions]\n")
for (v in versions) {
val d1 = v.value[0]
val d2 = v.value[1]
var versionAlias = generateAlias(d1).commonPrefixWith(generateAlias(d2))
when (versionAlias) {
"firebaseCo" -> versionAlias = "firebase"
"kotlinStdlibJdk" -> versionAlias = "kotlinStdlib"
"androidxTestEspressoCo" -> versionAlias = "androidxTestEspresso"
}
if (d1.version != null) {
toml.appendText("""$versionAlias = "${d1.version}"""" + "\n")
v.value.forEach { d ->
// toml.appendText(" $d\n")
versionsAliases[d] = versionAlias
}
}
}
toml.appendText("\n")
toml.appendText("[libraries]\n")
fun writeDependency(d: Dependency) {
val alias = generateAlias(d)
val isVersionRef = versionsAliases.containsKey(d)
val version = if (isVersionRef) versionsAliases[d] else d.version
if (version != null) {
val type = if (isVersionRef) ".ref" else ""
toml.appendText("""$alias = { module = "${d.group}:${d.name}", version$type="$version" }""")
} else {
toml.appendText("""$alias = { module = "${d.group}:${d.name}"}""")
}
toml.appendText("\n")
}
deps.forEach { d ->
writeDependency(d)
}
toml.appendText("\n")
testDeps.forEach { d ->
writeDependency(d)
}
}
if (operation == Operation.REPLACE_DEPS_BY_TOML) {
// read TOML file and replace direct dependencies
val t: TomlParseResult = Toml.parse(toml.readText())
println("Reading TOML file..." + t.errors())
if (!t.hasErrors()) {
val td = t.getTable("libraries")
val libs = HashMap<String, String>()
td!!.keySet().forEach { alias ->
val lib = td.getTableOrEmpty(alias).getString("module")?.also {
libs[it] = alias
}
println("$alias = $lib")
}
// replace all dependencies with aliases from TOML file
if (replaceVariablesWithDirectVersion) {
val filenameSuffixForConvertedFile = if (replaceVariablesWithDirectVersion) "" else ".converted-toml"
projectDir.listFiles()?.forEach { folders ->
folders.listFiles { _, name -> name == inputFilesName }?.forEach { file ->
println("Converting file: $file")
var text = file.readText(Charsets.UTF_8)
libs.forEach { lib ->
val depStringFinal = "libs.${lib.value}"
val depString = lib.key
val re = Regex("""["']$depString:.*?["']+""")
text = re.replace(text, depStringFinal)
}
if (doToKotlinConversion && file.extension != "kts") {
text = convertToKotlin(text)
}
File(file.parentFile, file.name + filenameSuffixForConvertedFile).writeText(text, Charsets.UTF_8)
}
}
}
}
}
}
}