1 files changed, 56 insertions, 0 deletions
diff --git a/sources/hv-collector-domain/src/main/kotlin/org/onap/dcae/collectors/veshv/domain/ByteData.kt b/sources/hv-collector-domain/src/main/kotlin/org/onap/dcae/collectors/veshv/domain/ByteData.kt
new file mode 100644
index 00000000..a1ebba37
--- /dev/null
+++ b/sources/hv-collector-domain/src/main/kotlin/org/onap/dcae/collectors/veshv/domain/ByteData.kt
@@ -0,0 +1,56 @@
+/*
+ * ============LICENSE_START=======================================================
+ * dcaegen2-collectors-veshv
+ * ================================================================================
+ * Copyright (C) 2018 NOKIA
+ * ================================================================================
+ * 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.dcae.collectors.veshv.domain
+
+import io.netty.buffer.ByteBuf
+import java.nio.charset.Charset
+
+/**
+ * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
+ * @since June 2018
+ */
+class ByteData(private val data: ByteArray) {
+
+    fun size() = data.size
+
+    /**
+     * This will expose mutable state of the data.
+     *
+     * @return wrapped data buffer (NOT a copy)
+     */
+    fun unsafeAsArray() = data
+
+    fun writeTo(byteBuf: ByteBuf) {
+        byteBuf.writeBytes(data)
+    }
+
+    fun asString(charset: Charset = Charset.defaultCharset()) = String(data, charset)
+
+    companion object {
+        val EMPTY = ByteData(byteArrayOf())
+
+        fun readFrom(byteBuf: ByteBuf, length: Int): ByteData {
+            val dataArray = ByteArray(length)
+            byteBuf.readBytes(dataArray)
+            return ByteData(dataArray)
+        }
+    }
+}
+