Add optional lz4 compression for snapshots

[controller.git] / opendaylight / md-sal / sal-clustering-commons / src / main / java / org / opendaylight / controller / cluster / io / PlainInputOutputStreamSupport.java

diff --git a/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/io/PlainInputOutputStreamSupport.java b/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/io/PlainInputOutputStreamSupport.java
new file mode 100644 (file)
index 0000000..7287def
--- /dev/null
+++ b/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/io/PlainInputOutputStreamSupport.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2020 PANTHEON.tech, s.r.o. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.cluster.io;
+
+import com.google.common.io.ByteSource;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import org.eclipse.jdt.annotation.NonNull;
+
+final class PlainInputOutputStreamSupport extends InputOutputStreamFactory {
+    static final @NonNull PlainInputOutputStreamSupport INSTANCE = new PlainInputOutputStreamSupport();
+
+    private PlainInputOutputStreamSupport() {
+        // Hidden on purpose
+    }
+
+    @Override
+    public InputStream createInputStream(final ByteSource input) throws IOException {
+        return input.openBufferedStream();
+    }
+
+    @Override
+    public InputStream createInputStream(final File file) throws IOException {
+        return defaultCreateInputStream(file);
+    }
+
+    @Override
+    public OutputStream createOutputStream(final File file) throws IOException {
+        return defaultCreateOutputStream(file);
+    }
+
+    @Override
+    public OutputStream wrapOutputStream(final OutputStream output) throws IOException {
+        return output;
+    }
+}