kotlin: rewrite

pom.xml

@@ -16,6 +16,7 @@
 
     <properties>
         <java.version>21</java.version>
+        <kotlin.version>1.9.23</kotlin.version>
 
         <commons-cli.version>1.7.0</commons-cli.version>
         <commons-io.version>2.16.1</commons-io.version>
@@ -52,9 +53,18 @@
             <artifactId>commons-cli</artifactId>
             <version>${commons-cli.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-reflect</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-stdlib</artifactId>
+        </dependency>
     </dependencies>
 
     <build>
+        <sourceDirectory>${project.basedir}/src/main/kotlin</sourceDirectory>
         <plugins>
             <plugin>
                 <groupId>org.graalvm.buildtools</groupId>
@@ -72,6 +82,25 @@
                     </execution>
                 </executions>
             </plugin>
+            <plugin>
+                <groupId>org.jetbrains.kotlin</groupId>
+                <artifactId>kotlin-maven-plugin</artifactId>
+                <configuration>
+                    <args>
+                        <arg>-Xjsr305=strict</arg>
+                    </args>
+                    <compilerPlugins>
+                        <plugin>spring</plugin>
+                    </compilerPlugins>
+                </configuration>
+                <dependencies>
+                    <dependency>
+                        <groupId>org.jetbrains.kotlin</groupId>
+                        <artifactId>kotlin-maven-allopen</artifactId>
+                        <version>${kotlin.version}</version>
+                    </dependency>
+                </dependencies>
+            </plugin>
         </plugins>
     </build>
 

src/main/kotlin/com/mpalourdio/projects/flhacker/FlhackerApplication.kt

@@ -0,0 +1,39 @@
+/*
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+package com.mpalourdio.projects.flhacker
+
+import com.mpalourdio.projects.flhacker.utils.AudiofileHandler
+import com.mpalourdio.projects.flhacker.utils.CliHandler
+import org.apache.commons.cli.CommandLine
+import org.springframework.boot.CommandLineRunner
+import org.springframework.boot.autoconfigure.SpringBootApplication
+import org.springframework.boot.runApplication
+import org.springframework.context.annotation.Bean
+
+@SpringBootApplication
+class FlhackerApplication {
+
+    @Bean
+    fun run(): CommandLineRunner {
+        return CommandLineRunner { args ->
+            AudiofileHandler.setUp()
+            val cmd: CommandLine? = CliHandler.run(args)
+            try {
+                AudiofileHandler.extractResizeSaveArtwork(cmd?.getOptionValue(CliHandler.FILE_CMD_LONG_OPTION))
+                AudiofileHandler.generateAsciiArt()
+            } finally {
+                AudiofileHandler.tearDown()
+            }
+        }
+    }
+}
+
+fun main(args: Array<String>) {
+    runApplication<FlhackerApplication>(*args)
+}

src/main/kotlin/com/mpalourdio/projects/flhacker/utils/AudiofileHandler.kt

@@ -0,0 +1,83 @@
+/*
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+package com.mpalourdio.projects.flhacker.utils
+
+import io.github.seujorgenochurras.image.ascii.AsciiParser
+import io.github.seujorgenochurras.image.ascii.ParserBuilder
+import io.github.seujorgenochurras.image.ascii.algorithm.pixel.bright.Algorithms
+import io.github.seujorgenochurras.image.ascii.algorithm.pixel.color.DefaultColorType
+import org.apache.commons.io.FileUtils
+import org.jaudiotagger.audio.AudioFileIO
+import org.jaudiotagger.audio.exceptions.CannotReadException
+import org.jaudiotagger.audio.exceptions.InvalidAudioFrameException
+import org.jaudiotagger.audio.exceptions.ReadOnlyFileException
+import org.jaudiotagger.tag.TagException
+import java.awt.Image
+import java.awt.image.BufferedImage
+import java.io.File
+import java.io.IOException
+import javax.imageio.ImageIO
+
+object AudiofileHandler {
+    private val TMP_DIR: String = System.getProperty("java.io.tmpdir")
+    private val TMP_RESIZED_ARTWORK = "$TMP_DIR/resized.jpg"
+    private const val TARGET_SIZE = 80
+    private val TMP_RESIZED_FILE = File(TMP_RESIZED_ARTWORK)
+
+    @JvmStatic
+    fun setUp() {
+        FileUtils.deleteQuietly(TMP_RESIZED_FILE)
+    }
+
+    @JvmStatic
+    fun tearDown() {
+        setUp()
+    }
+
+    @JvmStatic
+    @Throws(
+        CannotReadException::class,
+        TagException::class,
+        InvalidAudioFrameException::class,
+        ReadOnlyFileException::class,
+        IOException::class
+    )
+    fun extractResizeSaveArtwork(audioFilePath: String?) {
+        val audioFile = File(audioFilePath)
+        val extractedArtwork = AudioFileIO.read(audioFile)
+            .tag
+            .firstArtwork
+            .image
+
+        val scaledArtwork =
+            (extractedArtwork as BufferedImage).getScaledInstance(TARGET_SIZE, TARGET_SIZE, Image.SCALE_DEFAULT)
+        val resized = BufferedImage(TARGET_SIZE, TARGET_SIZE, BufferedImage.TYPE_INT_RGB)
+        resized.graphics.drawImage(scaledArtwork, 0, 0, null)
+
+        ImageIO.write(resized, "png", TMP_RESIZED_FILE)
+    }
+
+    @JvmStatic
+    fun generateAsciiArt() {
+        val symbols = arrayOf(" ", ".", "-", "I", "W", "@")
+        val parserConfig = ParserBuilder.startBuild()
+            .parserAlgorithm(Algorithms.HUMAN_EYE_ALGORITHM)
+            .scaled()
+            .height(TARGET_SIZE)
+            .width(TARGET_SIZE)
+            .scale
+            .symbols(*symbols)
+            .colorAlgorithm(DefaultColorType.ANSI)
+            .build()
+
+        val asciiArt = AsciiParser.parse(TMP_RESIZED_ARTWORK, parserConfig)
+
+        println(asciiArt)
+    }
+}

src/main/kotlin/com/mpalourdio/projects/flhacker/utils/CliHandler.kt

@@ -0,0 +1,39 @@
+/*
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+package com.mpalourdio.projects.flhacker.utils
+
+import org.apache.commons.cli.*
+import kotlin.system.exitProcess
+
+object CliHandler {
+    const val FILE_CMD_LONG_OPTION: String = "file"
+
+    fun run(args: Array<String?>?): CommandLine? {
+        val options = Options()
+        val input =
+            Option("f", FILE_CMD_LONG_OPTION, true, "audio file path which contains the artwork to print")
+
+        input.isRequired = true
+        options.addOption(input)
+
+        val parser: CommandLineParser = DefaultParser()
+        val formatter = HelpFormatter()
+        val cmd: CommandLine?
+
+        try {
+            cmd = parser.parse(options, args)
+        } catch (e: ParseException) {
+            println(e.message)
+            formatter.printHelp("utility-name", options)
+            exitProcess(1)
+        }
+
+        return cmd
+    }
+}