Get rid of Guava dependency

Author: vogti

build.gradle

@@ -30,7 +30,6 @@ java {
 
 dependencies {
     implementation group: 'com.konghq', name: 'unirest-java', version: '3.13.10'
-    implementation group: 'com.google.guava', name: 'guava', version: '31.1-jre'
 
     implementation group: 'commons-validator', name: 'commons-validator', version: '1.7'
     implementation group: 'commons-net', name: 'commons-net', version: '3.8.0'

src/main/java/ch/unibas/dmi/dbis/chronos/agent/AbstractChronosAgent.java

@@ -27,7 +27,6 @@ of this software and associated documentation files (the "Software"), to deal
 
 import ch.unibas.dmi.dbis.chronos.agent.ChronosHttpClient.ChronosLogHandler;
 import ch.unibas.dmi.dbis.chronos.agent.ChronosHttpClient.JobPhase;
-import com.google.common.io.Files;
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
@@ -37,6 +36,7 @@ of this software and associated documentation files (the "Software"), to deal
 import java.net.UnknownHostException;
 import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.NoSuchElementException;
@@ -195,7 +195,7 @@ public void run() {
                 // (3) --
 
                 // (4) Create environment
-                final File tempDirectory = Files.createTempDir();
+                final File tempDirectory = Files.createTempDirectory( "chronos" ).toFile();
                 tempDirectory.deleteOnExit();
 
                 final File inputDirectory = new File( tempDirectory, "input" );