feat: Add gzip compression utility function

temerity/src/jvmMain/kotlin/edu/ucsc/its/temerity/JvmGzipCompressionModule.kt

+/*
+ *     Designed and developed in 2022-2024 by William Walker (wnwalker@ucsc.edu)
+ *     Copyright 2022-2024 The Regents of the University of California. All rights reserved.
+ *
+ *     This library is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU Lesser General Public
+ *     License as published by the Free Software Foundation; version 2.1 of the License.
+ *
+ *     This library 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
+ *     Lesser General Public License for more details.
+ *
+ *     You should have received a copy of the GNU Lesser General Public
+ *     License along with this library; if not, write to the Free Software
+ *     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+package edu.ucsc.its.temerity
+
+import org.koin.dsl.module
+import java.io.ByteArrayOutputStream
+import java.nio.charset.StandardCharsets.UTF_8
+import java.util.zip.GZIPInputStream
+import java.util.zip.GZIPOutputStream
+
+internal fun gzip(content: String): ByteArray {
+  val bos = ByteArrayOutputStream()
+  GZIPOutputStream(bos).bufferedWriter(UTF_8).use { it.write(content) }
+  return bos.toByteArray()
+}
+
+internal fun ungzip(content: ByteArray): String =
+  GZIPInputStream(content.inputStream()).bufferedReader(UTF_8).use { it.readText() }
+
+internal fun jvmGzipCompressionModule() = module {
+  factory { (uncompressedContent: String) -> gzip(uncompressedContent) }
+  factory { (compressedContent: ByteArray) -> ungzip(compressedContent) }
+}

temerity/src/jvmMain/kotlin/edu/ucsc/its/temerity/extensions/log/Filesystem.jvm.kt

@@ -20,4 +20,9 @@ package edu.ucsc.its.temerity.extensions.log
 import kotlinx.io.files.FileSystem
 import kotlinx.io.files.SystemFileSystem
 
+internal actual fun platformModule() = module {
+  factory { Java.create() }
+  includes(jvmGzipCompressionModule())
+}
+
 internal actual fun fileSystem(): FileSystem = SystemFileSystem