1 files changed, 63 insertions, 0 deletions
diff --git a/utils/src/main/java/org/onap/policy/common/utils/resources/DirectoryUtils.java b/utils/src/main/java/org/onap/policy/common/utils/resources/DirectoryUtils.java
new file mode 100644
index 00000000..35a13138
--- /dev/null
+++ b/utils/src/main/java/org/onap/policy/common/utils/resources/DirectoryUtils.java
@@ -0,0 +1,63 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2021 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.common.utils.resources;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+import org.apache.commons.io.FileUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Utilities for manipulating directories.
+ */
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public final class DirectoryUtils {
+    private static final Logger logger = LoggerFactory.getLogger(DirectoryUtils.class);
+
+    /**
+     * Creates a directory file, only accessible by the owner.
+     *
+     * @param prefix file name prefix
+     * @return a new, temporary directory
+     * @throws IOException if an error occurs
+     */
+    public static Path createTempDirectory(String prefix) throws IOException {
+        /*
+         * Disabling sonar, as the code below sets the permissions, just as sonar
+         * suggests it be fixed.
+         */
+        var path = Files.createTempDirectory(prefix);           // NOSONAR
+        logger.info("created temporary directory, {}", path);
+
+        var file = path.toFile();
+
+        TextFileUtils.setDefaultPermissions(file);
+
+        // ensure nothing has been written to it yet
+        FileUtils.cleanDirectory(file);
+
+        return path;
+    }
+}