Added config app to read address config from json file
diff --git a/apps/config/src/main/java/org/onlab/onos/config/AddressEntry.java b/apps/config/src/main/java/org/onlab/onos/config/AddressEntry.java
new file mode 100644
index 0000000..318aebd
--- /dev/null
+++ b/apps/config/src/main/java/org/onlab/onos/config/AddressEntry.java
@@ -0,0 +1,53 @@
+package org.onlab.onos.config;
+
+import java.util.List;
+
+import org.codehaus.jackson.annotate.JsonProperty;
+import org.onlab.packet.IpPrefix;
+import org.onlab.packet.MacAddress;
+
+/**
+ * Represents a set of addresses bound to a port.
+ */
+public class AddressEntry {
+    private String dpid;
+    private short portNumber;
+    private List<IpPrefix> ipAddresses;
+    private MacAddress macAddress;
+
+    public String getDpid() {
+        return dpid;
+    }
+
+    @JsonProperty("dpid")
+    public void setDpid(String strDpid) {
+        this.dpid = strDpid;
+    }
+
+    public short getPortNumber() {
+        return portNumber;
+    }
+
+    @JsonProperty("port")
+    public void setPortNumber(short portNumber) {
+        this.portNumber = portNumber;
+    }
+
+    public List<IpPrefix> getIpAddresses() {
+        return ipAddresses;
+    }
+
+    @JsonProperty("ips")
+    public void setIpAddresses(List<IpPrefix> ipAddresses) {
+        this.ipAddresses = ipAddresses;
+    }
+
+    public MacAddress getMacAddress() {
+        return macAddress;
+    }
+
+    @JsonProperty("mac")
+    public void setMacAddress(MacAddress macAddress) {
+        this.macAddress = macAddress;
+    }
+}