org.jetbrains.kotlin.konan.properties.Properties.kt Maven / Gradle / Ivy

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/*
 * Copyright 2010-2019 JetBrains s.r.o. and Kotlin Programming Language contributors.
 * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
 */

package org.jetbrains.kotlin.konan.properties

import org.jetbrains.kotlin.konan.file.*
import org.jetbrains.kotlin.util.parseSpaceSeparatedArgs
import java.io.ByteArrayOutputStream

typealias Properties = java.util.Properties

fun File.loadProperties(): Properties {
    val properties = java.util.Properties()
    this.bufferedReader().use { reader ->
        properties.load(reader)
    }
    return properties
}

fun loadProperties(path: String): Properties = File(path).loadProperties()

fun File.saveProperties(properties: Properties) {
    val byteStream = ByteArrayOutputStream()
    byteStream.use {
        properties.store(it, null)
    }

    // TODO: don't act like this
    outputStream().use {
        it.write(String(byteStream.toByteArray()).split("\n").drop(1).joinToString("\n").toByteArray())
    }
}

fun Properties.saveToFile(file: File) = file.saveProperties(this)

fun Properties.propertyString(key: String, suffix: String? = null): String? = getProperty(key.suffix(suffix)) ?: this.getProperty(key)

/**
 * TODO: this method working with suffixes should be replaced with
 * functionality borrowed from def file parser and unified for interop tool
 * and kotlin compiler.
 */
fun Properties.propertyList(key: String, suffix: String? = null, escapeInQuotes: Boolean = false): List {
    val value = this.getProperty(key.suffix(suffix)) ?: this.getProperty(key)
    if (value?.isBlank() == true) return emptyList()
    return if (escapeInQuotes) value?.let { parseSpaceSeparatedArgs(it) } ?: emptyList()
    else value?.split(Regex("\\s+")) ?: emptyList()
}

fun Properties.hasProperty(key: String, suffix: String? = null): Boolean
        = this.getProperty(key.suffix(suffix)) != null

fun String.suffix(suf: String?): String =
    if (suf == null) this
    else "${this}.$suf"

fun Properties.keepOnlyDefaultProfiles() {
    val DEPENDENCY_PROFILES_KEY = "dependencyProfiles"
    val dependencyProfiles = this.getProperty(DEPENDENCY_PROFILES_KEY)
    if (dependencyProfiles != "default alt")
        error("unexpected $DEPENDENCY_PROFILES_KEY value: expected 'default alt', got '$dependencyProfiles'")

    // Force build to use only 'default' profile:
    this.setProperty(DEPENDENCY_PROFILES_KEY, "default")
    // TODO: it actually affects only resolution made in :dependencies,
    // that's why we assume that 'default' profile comes first (and check this above).
}