itm and mdsal porting

[vpnservice.git] / itm / itm-impl / src / main / java / org / opendaylight / vpnservice / itm / cli / ItmCliUtils.java

diff --git a/itm/itm-impl/src/main/java/org/opendaylight/vpnservice/itm/cli/ItmCliUtils.java b/itm/itm-impl/src/main/java/org/opendaylight/vpnservice/itm/cli/ItmCliUtils.java
new file mode 100644 (file)
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--- /dev/null
+++ b/itm/itm-impl/src/main/java/org/opendaylight/vpnservice/itm/cli/ItmCliUtils.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2016 Ericsson India Global Services Pvt Ltd. 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.vpnservice.itm.cli;
+
+import java.math.BigInteger;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.commons.lang3.StringUtils;
+
+import com.google.common.base.Preconditions;
+
+/**
+ * The Utility class for ITM CLI.
+ */
+public final class ItmCliUtils {
+
+    /**
+     * Construct dpn id list.
+     *
+     * @param dpnIds
+     *            the dpn ids
+     * @return the list
+     */
+    public static List<BigInteger> constructDpnIdList(final String dpnIds) {
+        final List<BigInteger> lstDpnIds = new ArrayList<>();
+        if (StringUtils.isNotBlank(dpnIds)) {
+            final String[] arrDpnIds = StringUtils.split(dpnIds, ',');
+            for (String dpn : arrDpnIds) {
+                if (StringUtils.isNumeric(StringUtils.trim(dpn))) {
+                    lstDpnIds.add(new BigInteger(StringUtils.trim(dpn)));
+                } else {
+                    Preconditions.checkArgument(false, String.format("DPN ID [%s] is not a numeric value.", dpn));
+                }
+            }
+        }
+        return lstDpnIds;
+    }
+}