[ONOS-2831] Refactor L2 code according to the L3 plan.
Change-Id: Ibc9dc47a18208b9b1602261064a33bc63b131fc3
diff --git a/apps/vtn/vtnmgr/src/main/java/org/onosproject/vtn/util/DataPathIdGenerator.java b/apps/vtn/vtnmgr/src/main/java/org/onosproject/vtn/util/DataPathIdGenerator.java
new file mode 100644
index 0000000..c241347
--- /dev/null
+++ b/apps/vtn/vtnmgr/src/main/java/org/onosproject/vtn/util/DataPathIdGenerator.java
@@ -0,0 +1,64 @@
+package org.onosproject.vtn.util;
+
+import static org.onlab.util.Tools.toHex;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.Calendar;
+
+import org.onosproject.core.IdGenerator;
+import org.onosproject.net.DeviceId;
+
+public final class DataPathIdGenerator implements IdGenerator {
+ private static final String SCHEME = "of";
+ private String ipAddress;
+ private String timeStamp;
+
+ private DataPathIdGenerator(Builder builder) {
+ this.ipAddress = builder.ipAddress;
+ Calendar cal = Calendar.getInstance();
+ this.timeStamp = String.valueOf(cal.get(Calendar.SECOND))
+ + String.valueOf(cal.get(Calendar.MILLISECOND));
+ }
+
+ @Override
+ public long getNewId() {
+ String dpid = ipAddress.replace(".", "") + timeStamp;
+ return Long.parseLong(dpid);
+ }
+
+ public String getDpId() {
+ return toHex(getNewId());
+ }
+
+ public DeviceId getDeviceId() {
+ try {
+ URI uri = new URI(SCHEME, toHex(getNewId()), null);
+ return DeviceId.deviceId(uri);
+ } catch (URISyntaxException e) {
+ return null;
+ }
+ }
+
+ /**
+ * Returns a new builder.
+ *
+ * @return new builder
+ */
+ public static Builder builder() {
+ return new Builder();
+ }
+
+ public static final class Builder {
+ private String ipAddress;
+
+ public Builder addIpAddress(String ipAddress) {
+ this.ipAddress = ipAddress;
+ return this;
+ }
+
+ public DataPathIdGenerator build() {
+ return new DataPathIdGenerator(this);
+ }
+ }
+}