migrate IOUtils to Kotlin (#2763)

* migrate `IOUtils` to Kotlin

* Fix ktlint

* change functions inside IOUtils to extension function

app/src/main/java/com/keylesspalace/tusky/LicenseActivity.kt

@@ -20,7 +20,7 @@ import android.util.Log
 import android.widget.TextView
 import androidx.annotation.RawRes
 import com.keylesspalace.tusky.databinding.ActivityLicenseBinding
-import com.keylesspalace.tusky.util.IOUtils
+import com.keylesspalace.tusky.util.closeQuietly
 import java.io.BufferedReader
 import java.io.IOException
 import java.io.InputStreamReader
@@ -60,7 +60,7 @@ class LicenseActivity : BaseActivity() {
             Log.w("LicenseActivity", e)
         }
 
-        IOUtils.closeQuietly(br)
+        br.closeQuietly()
 
         textView.text = sb.toString()
     }

app/src/main/java/com/keylesspalace/tusky/components/compose/ImageDownsizer.kt

@@ -20,8 +20,8 @@ import android.graphics.Bitmap
 import android.graphics.Bitmap.CompressFormat
 import android.graphics.BitmapFactory
 import android.net.Uri
-import com.keylesspalace.tusky.util.IOUtils
 import com.keylesspalace.tusky.util.calculateInSampleSize
+import com.keylesspalace.tusky.util.closeQuietly
 import com.keylesspalace.tusky.util.getImageOrientation
 import com.keylesspalace.tusky.util.reorientBitmap
 import java.io.File
@@ -51,7 +51,7 @@ fun downsizeImage(
     val options = BitmapFactory.Options()
     options.inJustDecodeBounds = true
     BitmapFactory.decodeStream(decodeBoundsInputStream, null, options)
-    IOUtils.closeQuietly(decodeBoundsInputStream)
+    decodeBoundsInputStream.closeQuietly()
     // Get EXIF data, for orientation info.
     val orientation = getImageOrientation(uri, contentResolver)
     /* Unfortunately, there isn't a determined worst case compression ratio for image
@@ -78,7 +78,7 @@ fun downsizeImage(
         } catch (error: OutOfMemoryError) {
             return false
         } finally {
-            IOUtils.closeQuietly(decodeBitmapInputStream)
+            decodeBitmapInputStream.closeQuietly()
         } ?: return false
 
         val reorientedBitmap = reorientBitmap(scaledBitmap, orientation)

app/src/main/java/com/keylesspalace/tusky/components/drafts/DraftHelper.kt

@@ -28,7 +28,7 @@ import com.keylesspalace.tusky.db.DraftEntity
 import com.keylesspalace.tusky.entity.Attachment
 import com.keylesspalace.tusky.entity.NewPoll
 import com.keylesspalace.tusky.entity.Status
-import com.keylesspalace.tusky.util.IOUtils
+import com.keylesspalace.tusky.util.copyToFile
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 import okhttp3.OkHttpClient
@@ -194,7 +194,7 @@ class DraftHelper @Inject constructor(
                 return null
             }
         } else {
-            IOUtils.copyToFile(contentResolver, this, file)
+            this.copyToFile(contentResolver, file)
         }
         return FileProvider.getUriForFile(context, BuildConfig.APPLICATION_ID + ".fileprovider", file)
     }

app/src/main/java/com/keylesspalace/tusky/util/IOUtils.java

@@ -1,71 +0,0 @@
-/* Copyright 2017 Andrew Dawson
- *
- * This file is a part of Tusky.
- *
- * This program is free software; you can redistribute it and/or modify it under the terms of the
- * GNU General Public License as published by the Free Software Foundation; either version 3 of the
- * License, or (at your option) any later version.
- *
- * Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
- * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
- * Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along with Tusky; if not,
- * see <http://www.gnu.org/licenses>. */
-
-package com.keylesspalace.tusky.util;
-
-import android.content.ContentResolver;
-import android.net.Uri;
-import androidx.annotation.Nullable;
-
-import java.io.Closeable;
-import java.io.File;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-
-public class IOUtils {
-
-    private static final int DEFAULT_BLOCKSIZE = 16384;
-
-    public static void closeQuietly(@Nullable Closeable stream) {
-        try {
-            if (stream != null) {
-                stream.close();
-            }
-        } catch (IOException e) {
-            // intentionally unhandled
-        }
-    }
-
-    public static boolean copyToFile(ContentResolver contentResolver, Uri uri, File file) {
-        InputStream from;
-        FileOutputStream to;
-        try {
-            from = contentResolver.openInputStream(uri);
-            to = new FileOutputStream(file);
-        } catch (FileNotFoundException e) {
-            return false;
-        }
-        if (from == null) {
-            return false;
-        }
-        byte[] chunk = new byte[DEFAULT_BLOCKSIZE];
-        try {
-            while (true) {
-                int bytes = from.read(chunk, 0, chunk.length);
-                if (bytes < 0) {
-                    break;
-                }
-                to.write(chunk, 0, bytes);
-            }
-        } catch (IOException e) {
-            return false;
-        }
-        closeQuietly(from);
-        closeQuietly(to);
-        return true;
-    }
-}

app/src/main/java/com/keylesspalace/tusky/util/IOUtils.kt

@@ -0,0 +1,67 @@
+/* Copyright 2017 Andrew Dawson
+ *
+ * This file is a part of Tusky.
+ *
+ * This program is free software; you can redistribute it and/or modify it under the terms of the
+ * GNU General Public License as published by the Free Software Foundation; either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
+ * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+ * Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with Tusky; if not,
+ * see <http://www.gnu.org/licenses>. */
+
+package com.keylesspalace.tusky.util
+
+import android.content.ContentResolver
+import android.net.Uri
+import java.io.Closeable
+import java.io.File
+import java.io.FileNotFoundException
+import java.io.FileOutputStream
+import java.io.IOException
+import java.io.InputStream
+
+private const val DEFAULT_BLOCKSIZE = 16384
+
+fun Closeable?.closeQuietly() {
+    try {
+        this?.close()
+    } catch (e: IOException) {
+        // intentionally unhandled
+    }
+}
+
+fun Uri.copyToFile(
+    contentResolver: ContentResolver,
+    file: File,
+): Boolean {
+    val from: InputStream?
+    val to: FileOutputStream
+
+    try {
+        from = contentResolver.openInputStream(this)
+        to = FileOutputStream(file)
+    } catch (e: FileNotFoundException) {
+        return false
+    }
+
+    if (from == null) return false
+
+    val chunk = ByteArray(DEFAULT_BLOCKSIZE)
+    try {
+        while (true) {
+            val bytes = from.read(chunk, 0, chunk.size)
+            if (bytes < 0) break
+            to.write(chunk, 0, bytes)
+        }
+    } catch (e: IOException) {
+        return false
+    }
+
+    from.closeQuietly()
+    to.closeQuietly()
+    return true
+}

app/src/main/java/com/keylesspalace/tusky/util/MediaUtils.kt

@@ -75,7 +75,7 @@ fun getImageSquarePixels(contentResolver: ContentResolver, uri: Uri): Long {
     options.inJustDecodeBounds = true
     BitmapFactory.decodeStream(input, null, options)
 
-    IOUtils.closeQuietly(input)
+    input.closeQuietly()
 
     return (options.outWidth * options.outHeight).toLong()
 }
@@ -158,11 +158,11 @@ fun getImageOrientation(uri: Uri, contentResolver: ContentResolver): Int {
         exifInterface = ExifInterface(inputStream)
     } catch (e: IOException) {
         Log.w(TAG, e)
-        IOUtils.closeQuietly(inputStream)
+        inputStream.closeQuietly()
         return ExifInterface.ORIENTATION_UNDEFINED
     }
     val orientation = exifInterface.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_NORMAL)
-    IOUtils.closeQuietly(inputStream)
+    inputStream.closeQuietly()
     return orientation
 }