Move from java/ to kotlin/ directory

Android 12 dynamic color usage on login screen
2021-08-31 02:18:29 +03:00
parent 2453e534ae
commit 1209c37e24
135 changed files with 140 additions and 57 deletions
@@ -0,0 +1,174 @@
+package com.meloda.fast.io
+
+import org.jetbrains.annotations.Contract
+import java.io.*
+import java.nio.charset.Charset
+import java.util.zip.GZIPInputStream
+import java.util.zip.GZIPOutputStream
+import kotlin.math.max
+
+object EasyStreams {
+
+    const val BUFFER_SIZE = 8192
+    const val CHAR_BUFFER_SIZE = 4096
+
+    @JvmOverloads
+    @Throws(IOException::class)
+    fun read(from: InputStream, encoding: Charset? = Charsets.UTF_8): String {
+        return read(InputStreamReader(from, encoding))
+    }
+
+    @JvmStatic
+    @Throws(IOException::class)
+    fun read(from: Reader): String {
+        val builder = StringWriter(CHAR_BUFFER_SIZE)
+        return try {
+            copy(from, builder)
+            builder.toString()
+        } finally {
+            close(from)
+        }
+    }
+
+    @JvmStatic
+    @Throws(IOException::class)
+    fun readBytes(from: InputStream): ByteArray {
+        val output = ByteArrayOutputStream(max(from.available(), BUFFER_SIZE))
+        try {
+            copy(from, output)
+        } finally {
+            close(from)
+        }
+        return output.toByteArray()
+    }
+
+    @Throws(IOException::class)
+    fun write(from: ByteArray?, to: OutputStream) {
+        try {
+            to.write(from)
+            to.flush()
+        } finally {
+            close(to)
+        }
+    }
+
+    @Throws(IOException::class)
+    fun write(from: String?, to: OutputStream?) {
+        write(from, OutputStreamWriter(to, Charsets.UTF_8))
+    }
+
+    @Throws(IOException::class)
+    fun write(from: CharArray?, to: Writer) {
+        try {
+            to.write(from)
+            to.flush()
+        } finally {
+            close(to)
+        }
+    }
+
+    @JvmStatic
+    @Throws(IOException::class)
+    fun write(from: String?, to: Writer) {
+        try {
+            to.write(from)
+            to.flush()
+        } finally {
+            close(to)
+        }
+    }
+
+    @Throws(IOException::class)
+    fun copy(from: Reader, to: Writer): Long {
+        val buffer = CharArray(CHAR_BUFFER_SIZE)
+        var read: Int
+        var total: Long = 0
+        while (from.read(buffer).also { read = it } != -1) {
+            to.write(buffer, 0, read)
+            total += read.toLong()
+        }
+        return total
+    }
+
+    @Throws(IOException::class)
+    fun copy(from: InputStream, to: OutputStream): Long {
+        val buffer = ByteArray(BUFFER_SIZE)
+        var read: Int
+        var total: Long = 0
+        while (from.read(buffer).also { read = it } != -1) {
+            to.write(buffer, 0, read)
+            total += read.toLong()
+        }
+        return total
+    }
+
+    fun buffer(input: InputStream?): BufferedInputStream {
+        return buffer(input, BUFFER_SIZE)
+    }
+
+    @Contract("null, _ -> new")
+    fun buffer(input: InputStream?, size: Int): BufferedInputStream {
+        return if (input is BufferedInputStream) input else BufferedInputStream(input, size)
+    }
+
+    fun buffer(output: OutputStream?): BufferedOutputStream {
+        return buffer(output, BUFFER_SIZE)
+    }
+
+    @Contract("null, _ -> new")
+    fun buffer(output: OutputStream?, size: Int): BufferedOutputStream {
+        return if (output is BufferedOutputStream) output else BufferedOutputStream(output, size)
+    }
+
+    fun buffer(input: Reader?): BufferedReader {
+        return buffer(input, CHAR_BUFFER_SIZE)
+    }
+
+    @Contract("null, _ -> new")
+    fun buffer(input: Reader?, size: Int): BufferedReader {
+        return if (input is BufferedReader) input else BufferedReader(input, size)
+    }
+
+    fun buffer(output: Writer?): BufferedWriter {
+        return buffer(output, CHAR_BUFFER_SIZE)
+    }
+
+    @Contract("null, _ -> new")
+    fun buffer(output: Writer?, size: Int): BufferedWriter {
+        return if (output is BufferedWriter) output else BufferedWriter(output, size)
+    }
+
+    @Throws(IOException::class)
+    fun gzip(input: InputStream?): GZIPInputStream {
+        return gzip(input, BUFFER_SIZE)
+    }
+
+    @Contract("null, _ -> new")
+    @Throws(IOException::class)
+    fun gzip(input: InputStream?, size: Int): GZIPInputStream {
+        return if (input is GZIPInputStream) input else GZIPInputStream(input, size)
+    }
+
+    @Throws(IOException::class)
+    fun gzip(input: OutputStream?): GZIPOutputStream {
+        return gzip(input, BUFFER_SIZE)
+    }
+
+    @Contract("null, _ -> new")
+    @Throws(IOException::class)
+    fun gzip(input: OutputStream?, size: Int): GZIPOutputStream {
+        return if (input is GZIPOutputStream) input else GZIPOutputStream(input, size)
+    }
+
+    fun close(c: Closeable?): Boolean {
+        if (c != null) {
+            try {
+                c.close()
+                return true
+            } catch (e: IOException) {
+                e.printStackTrace()
+            }
+        }
+        return false
+    }
+}