diff --git a/src/main/java/net/floodlightcontroller/flowcache/web/AddFlowResource.java b/src/main/java/net/floodlightcontroller/flowcache/web/AddFlowResource.java
index 35367eb..f32d124 100644
--- a/src/main/java/net/floodlightcontroller/flowcache/web/AddFlowResource.java
+++ b/src/main/java/net/floodlightcontroller/flowcache/web/AddFlowResource.java
@@ -1,6 +1,8 @@
 package net.floodlightcontroller.flowcache.web;
 
 import net.floodlightcontroller.flowcache.IFlowService;
+import net.floodlightcontroller.util.FlowId;
+import net.floodlightcontroller.util.FlowPath;
 
 import org.restlet.resource.Get;
 import org.restlet.resource.ServerResource;
@@ -12,8 +14,8 @@
     protected static Logger log = LoggerFactory.getLogger(AddFlowResource.class);
 
     @Get("json")
-    public Boolean retrieve() {
-	Boolean result = false;
+    public FlowId retrieve() {
+	FlowId result = new FlowId();
 
         IFlowService flowService =
                 (IFlowService)getContext().getAttributes().
@@ -26,10 +28,13 @@
 
 	// Extract the arguments
 	String flowPathStr = (String) getRequestAttributes().get("flow");
+	FlowPath flowPath = new FlowPath(flowPathStr);
+
 	log.debug("Add Flow Path: " + flowPathStr);
 
-	// TODO: Implement it.
-	result = true;
+	if (flowService.addFlow(flowPath, result) != true) {
+	    result = new FlowId();	// Error: Empty Flow Id
+	}
 
         return result;
     }
diff --git a/src/main/java/net/floodlightcontroller/flowcache/web/DeleteFlowResource.java b/src/main/java/net/floodlightcontroller/flowcache/web/DeleteFlowResource.java
index f323a54..cefad18 100644
--- a/src/main/java/net/floodlightcontroller/flowcache/web/DeleteFlowResource.java
+++ b/src/main/java/net/floodlightcontroller/flowcache/web/DeleteFlowResource.java
@@ -1,6 +1,7 @@
 package net.floodlightcontroller.flowcache.web;
 
 import net.floodlightcontroller.flowcache.IFlowService;
+import net.floodlightcontroller.util.FlowId;
 
 import org.openflow.util.HexString;
 import org.restlet.resource.Get;
@@ -26,11 +27,11 @@
 
 	// Extract the arguments
 	String flowIdStr = (String) getRequestAttributes().get("flow-id");
-	long flowId = HexString.toLong(flowIdStr);
+	FlowId flowId = new FlowId(HexString.toLong(flowIdStr));
+
 	log.debug("Delete Flow Id: " + flowIdStr);
 
-	// TODO: Implement it.
-	result = true;
+	result = flowService.deleteFlow(flowId);
 
         return result;
     }
diff --git a/src/main/java/net/floodlightcontroller/flowcache/web/FlowWebRoutable.java b/src/main/java/net/floodlightcontroller/flowcache/web/FlowWebRoutable.java
index b1188c8..0859397 100644
--- a/src/main/java/net/floodlightcontroller/flowcache/web/FlowWebRoutable.java
+++ b/src/main/java/net/floodlightcontroller/flowcache/web/FlowWebRoutable.java
@@ -16,8 +16,8 @@
         router.attach("/add/{flow}/json", AddFlowResource.class);
         router.attach("/delete/{flow-id}/json", DeleteFlowResource.class);
         router.attach("/get/{flow-id}/json", GetFlowByIdResource.class);
-        router.attach("/get/{installer-id}/{data-path-endpoints}/json", GetFlowByInstallerIdResource.class);
-        router.attach("/getall/{data-path-endpoints}/json", GetAllFlowsByEndpointsResource.class);
+        router.attach("/get/{installer-id}/{src-dpid}/{src-port}/{dst-dpid}/{dst-port}/json", GetFlowByInstallerIdResource.class);
+        router.attach("/getall/{src-dpid}/{src-port}/{dst-dpid}/{dst-port}/json", GetAllFlowsByEndpointsResource.class);
         router.attach("/getall/json", GetAllFlowsResource.class);
         return router;
     }
diff --git a/src/main/java/net/floodlightcontroller/flowcache/web/GetAllFlowsByEndpointsResource.java b/src/main/java/net/floodlightcontroller/flowcache/web/GetAllFlowsByEndpointsResource.java
index 211a051..4e96c0c 100644
--- a/src/main/java/net/floodlightcontroller/flowcache/web/GetAllFlowsByEndpointsResource.java
+++ b/src/main/java/net/floodlightcontroller/flowcache/web/GetAllFlowsByEndpointsResource.java
@@ -3,8 +3,13 @@
 import java.util.ArrayList;
 
 import net.floodlightcontroller.flowcache.IFlowService;
+import net.floodlightcontroller.util.DataPathEndpoints;
+import net.floodlightcontroller.util.Dpid;
 import net.floodlightcontroller.util.FlowPath;
+import net.floodlightcontroller.util.Port;
+import net.floodlightcontroller.util.SwitchPort;
 
+import org.openflow.util.HexString;
 import org.restlet.resource.Get;
 import org.restlet.resource.ServerResource;
 import org.slf4j.Logger;
@@ -27,10 +32,24 @@
 	}
 
 	// Extract the arguments
-	String dataPathEndpointsStr = (String) getRequestAttributes().get("data-path-endpoints");
-	log.debug("Get All Flows Endpoints: " + dataPathEndpointsStr);
+        String srcDpidStr = (String) getRequestAttributes().get("src-dpid");
+        String srcPortStr = (String) getRequestAttributes().get("src-port");
+        String dstDpidStr = (String) getRequestAttributes().get("dst-dpid");
+        String dstPortStr = (String) getRequestAttributes().get("dst-port");
 
-	// TODO: Implement it.
+	log.debug("Get All Flows Endpoints: " + srcDpidStr + "--" +
+		  srcPortStr + "--" + dstDpidStr + "--" + dstPortStr);
+
+	Dpid srcDpid = new Dpid(HexString.toLong(srcDpidStr));
+	Port srcPort = new Port(Short.parseShort(srcPortStr));
+	Dpid dstDpid = new Dpid(HexString.toLong(dstDpidStr));
+	Port dstPort = new Port(Short.parseShort(dstPortStr));
+	SwitchPort srcSwitchPort = new SwitchPort(srcDpid, srcPort);
+	SwitchPort dstSwitchPort = new SwitchPort(dstDpid, dstPort);
+	DataPathEndpoints dataPathEndpoints =
+	    new DataPathEndpoints(srcSwitchPort, dstSwitchPort);
+
+	flowService.getAllFlows(dataPathEndpoints, result);
 
         return result;
     }
diff --git a/src/main/java/net/floodlightcontroller/flowcache/web/GetAllFlowsResource.java b/src/main/java/net/floodlightcontroller/flowcache/web/GetAllFlowsResource.java
index 9d95651..5bf3a50 100644
--- a/src/main/java/net/floodlightcontroller/flowcache/web/GetAllFlowsResource.java
+++ b/src/main/java/net/floodlightcontroller/flowcache/web/GetAllFlowsResource.java
@@ -29,7 +29,7 @@
 	// Extract the arguments
 	log.debug("Get All Flows Endpoints");
 
-	// TODO: Implement it.
+	flowService.getAllFlows(result);
 
         return result;
     }
diff --git a/src/main/java/net/floodlightcontroller/flowcache/web/GetFlowByIdResource.java b/src/main/java/net/floodlightcontroller/flowcache/web/GetFlowByIdResource.java
index 99f880c..2863c79 100644
--- a/src/main/java/net/floodlightcontroller/flowcache/web/GetFlowByIdResource.java
+++ b/src/main/java/net/floodlightcontroller/flowcache/web/GetFlowByIdResource.java
@@ -1,6 +1,7 @@
 package net.floodlightcontroller.flowcache.web;
 
 import net.floodlightcontroller.flowcache.IFlowService;
+import net.floodlightcontroller.util.FlowId;
 import net.floodlightcontroller.util.FlowPath;
 
 import org.openflow.util.HexString;
@@ -27,10 +28,11 @@
 
 	// Extract the arguments
 	String flowIdStr = (String) getRequestAttributes().get("flow-id");
-	long flowId = HexString.toLong(flowIdStr);
+	FlowId flowId = new FlowId(HexString.toLong(flowIdStr));
+
 	log.debug("Get Flow Id: " + flowIdStr);
 
-	// TODO: Implement it.
+	flowService.getFlow(flowId, result);
 
         return result;
     }
diff --git a/src/main/java/net/floodlightcontroller/flowcache/web/GetFlowByInstallerIdResource.java b/src/main/java/net/floodlightcontroller/flowcache/web/GetFlowByInstallerIdResource.java
index 32d20cc..6b5f7f4 100644
--- a/src/main/java/net/floodlightcontroller/flowcache/web/GetFlowByInstallerIdResource.java
+++ b/src/main/java/net/floodlightcontroller/flowcache/web/GetFlowByInstallerIdResource.java
@@ -1,8 +1,14 @@
 package net.floodlightcontroller.flowcache.web;
 
 import net.floodlightcontroller.flowcache.IFlowService;
+import net.floodlightcontroller.util.CallerId;
+import net.floodlightcontroller.util.DataPathEndpoints;
+import net.floodlightcontroller.util.Dpid;
 import net.floodlightcontroller.util.FlowPath;
+import net.floodlightcontroller.util.Port;
+import net.floodlightcontroller.util.SwitchPort;
 
+import org.openflow.util.HexString;
 import org.restlet.resource.Get;
 import org.restlet.resource.ServerResource;
 import org.slf4j.Logger;
@@ -25,11 +31,27 @@
 	}
 
 	// Extract the arguments
-	String installerIdStr = (String) getRequestAttributes().get("installer-id");
-	String dataPathEndpointsStr = (String) getRequestAttributes().get("data-path-endpoints");
-	log.debug("Get Flow Installer: " + installerIdStr + " Endpoints: " + dataPathEndpointsStr);
+        String installerIdStr = (String) getRequestAttributes().get("installer-id");
+        String srcDpidStr = (String) getRequestAttributes().get("src-dpid");
+        String srcPortStr = (String) getRequestAttributes().get("src-port");
+        String dstDpidStr = (String) getRequestAttributes().get("dst-dpid");
+        String dstPortStr = (String) getRequestAttributes().get("dst-port");
 
-	// TODO: Implement it.
+	log.debug("Get Flow By Installer: " + installerIdStr + " Endpoints: " +
+		  srcDpidStr + "--" + srcPortStr + "--" +
+		  dstDpidStr + "--" + dstPortStr);
+
+	CallerId installerId = new CallerId(installerIdStr);
+	Dpid srcDpid = new Dpid(HexString.toLong(srcDpidStr));
+	Port srcPort = new Port(Short.parseShort(srcPortStr));
+	Dpid dstDpid = new Dpid(HexString.toLong(dstDpidStr));
+	Port dstPort = new Port(Short.parseShort(dstPortStr));
+	SwitchPort srcSwitchPort = new SwitchPort(srcDpid, srcPort);
+	SwitchPort dstSwitchPort = new SwitchPort(dstDpid, dstPort);
+	DataPathEndpoints dataPathEndpoints =
+	    new DataPathEndpoints(srcSwitchPort, dstSwitchPort);
+
+	flowService.getFlow(installerId, dataPathEndpoints, result);
 
         return result;
     }