eliminate code warnings

Author: stefanseifert

tooling/conga-aem-crypto-cli/src/main/java/io/wcm/devops/conga/plugins/aem/tooling/crypto/cli/AnsibleVault.java

@@ -22,6 +22,7 @@
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
+import java.nio.file.Files;
 import java.util.function.Function;
 
 import org.apache.commons.io.FileUtils;
@@ -96,7 +97,7 @@ private static void handleFile(File file, Function<byte[], byte[]> vaultHandler)
     }
     byte[] input = FileUtils.readFileToByteArray(file);
     byte[] output = vaultHandler.apply(input);
-    file.delete();
+    Files.delete(file.toPath());
     FileUtils.writeByteArrayToFile(file, output);
   }
 

tooling/conga-aem-maven-plugin/src/main/java/io/wcm/devops/conga/plugins/aem/maven/allpackage/AllPackageBuilder.java

@@ -43,6 +43,7 @@
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 import java.util.Optional;
 import java.util.Properties;
 import java.util.Set;
@@ -522,7 +523,7 @@ private String buildPackagePath(ContentPackageFile pkg, String rootPath, String
     String runModeSuffix = buildRunModeSuffix(pkg, environmentRunMode);
 
     // add run mode suffix to both install folder path and package file name
-    String path = rootPath + "/" + StringUtils.defaultString(pkg.getPackageType(), "misc") + "/install" + runModeSuffix;
+    String path = rootPath + "/" + Objects.toString(pkg.getPackageType(), "misc") + "/install" + runModeSuffix;
 
     String versionSuffix = "";
     String packageVersion = pkg.getVersion();