1 files changed, 65 insertions, 0 deletions
diff --git a/certService/src/main/java/org/onap/oom/certservice/certification/conversion/StringBase64.java b/certService/src/main/java/org/onap/oom/certservice/certification/conversion/StringBase64.java
new file mode 100644
index 00000000..4b4813ba
--- /dev/null
+++ b/certService/src/main/java/org/onap/oom/certservice/certification/conversion/StringBase64.java
@@ -0,0 +1,65 @@
+/*
+ * ============LICENSE_START=======================================================
+ * Cert Service
+ * ================================================================================
+ * Copyright (C) 2020-2021 Nokia. 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.oom.certservice.certification.conversion;
+
+import java.util.Base64;
+import java.util.Objects;
+import java.util.Optional;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class StringBase64 {
+
+    private final String value;
+    private final Base64.Decoder decoder = Base64.getDecoder();
+    private static final Logger LOGGER = LoggerFactory.getLogger(StringBase64.class);
+
+    public StringBase64(String value) {
+        this.value = value;
+    }
+
+    public Optional<String> asString() {
+        try {
+            String decodedString = new String(decoder.decode(value));
+            return Optional.of(decodedString);
+        } catch (RuntimeException e) {
+            LOGGER.error("Exception occurred during decoding:", e);
+            return Optional.empty();
+        }
+    }
+
+    @Override
+    public boolean equals(Object otherObject) {
+        if (this == otherObject) {
+            return true;
+        }
+        if (otherObject == null || getClass() != otherObject.getClass()) {
+            return false;
+        }
+        StringBase64 that = (StringBase64) otherObject;
+        return Objects.equals(value, that.value);
+    }
+
+    @Override
+    public int hashCode() {
+        return value.hashCode();
+    }
+}