Add exec uitils for command line with executable

src/main/kotlin/com/cubetiqs/demo/axon/AxonApplication.kt

@@ -1,7 +1,13 @@
 package com.cubetiqs.demo.axon
 
+import com.cubetiqs.demo.axon.util.ExecUtils
 import org.springframework.boot.autoconfigure.SpringBootApplication
 import org.springframework.boot.runApplication
+import org.springframework.http.MediaType
+import org.springframework.util.FileCopyUtils
+import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.RestController
+import javax.servlet.http.HttpServletResponse
 
 @SpringBootApplication
 class AxonApplication
@@ -9,3 +15,15 @@ class AxonApplication
 fun main(args: Array<String>) {
     runApplication<AxonApplication>(*args)
 }
+
+@RestController
+class MyDumper {
+    @GetMapping("/dump")
+    fun dumper(
+        response: HttpServletResponse
+    ) {
+        response.contentType = MediaType.APPLICATION_OCTET_STREAM_VALUE
+        val data = ExecUtils.execMySqlDump()
+        FileCopyUtils.copy(data ?: ByteArray(0), response.outputStream)
+    }
+}

src/main/kotlin/com/cubetiqs/demo/axon/util/ExecUtils.kt

@@ -0,0 +1,43 @@
+package com.cubetiqs.demo.axon.util
+
+import java.io.BufferedInputStream
+import java.io.ByteArrayOutputStream
+
+object ExecUtils {
+    private const val MYSQLDUMP_FILE = "mysqldump"
+
+    fun execMySqlDump(): ByteArray? {
+        var results: ByteArray?
+        try {
+            val command: MutableList<String> = mutableListOf()
+            command.add(MYSQLDUMP_FILE)
+            command.add("--databases")
+            command.add("orderwebapp")
+            command.add("--host")
+            command.add("192.168.0.204")
+            command.add("-usombochea")
+            command.add("-p@Csb632612")
+            
+            val builder = ProcessBuilder(*command.toTypedArray())
+                .redirectErrorStream(false)
+            val process = builder.start()
+            BufferedInputStream(process.inputStream).use {
+                ByteArrayOutputStream().use { stdout ->
+                    while (true) {
+                        val x = it.read()
+                        if (x == -1) {
+                            break
+                        }
+                        stdout.write(x)
+                    }
+                    results = stdout.toByteArray()
+                    process.waitFor()
+                }
+            }
+        } catch (e: Exception) {
+            println(e.message)
+            return null
+        }
+        return results
+    }
+}

src/test/kotlin/TestExecUtils.kt

@@ -0,0 +1,10 @@
+import com.cubetiqs.demo.axon.util.ExecUtils
+import org.junit.jupiter.api.Test
+
+class TestExecUtils {
+    @Test
+    fun dump() {
+        val dump = ExecUtils.execMySqlDump()
+        println("Dump size: ${dump?.size}")
+    }
+}