@POST
@Produces(MediaType.APPLICATION_JSON)
public Response addNode(Node node) {
Response response = null;
try {
org.nikhil.webapp.nodeadmin.entity.Node newNode = getJPANodeFromJSONNode(node);
nodeOperation.addNode(newNode);
response =
NodeAdminUtils.buildStandardRESTHTTPResponse(
201, "Node " + node.getName() + " Added Successfully", null, null);
} catch (Exception e) {
e.printStackTrace();
response =
NodeAdminUtils.buildStandardRESTHTTPResponse(500, "Server Error Adding Node", null, null);
}
return response;
}
@GET
@Produces(MediaType.APPLICATION_JSON)
@Path("{nodeName}/stop")
public Response stop(@PathParam("nodeName") String nodeName) {
Response response = null;
try {
nodeOperation.reStartNode(nodeName);
response =
NodeAdminUtils.buildStandardRESTHTTPResponse(
200, "Node " + nodeName + " Stopped Successfully", null, null);
} catch (Exception e) {
e.printStackTrace();
response =
NodeAdminUtils.buildStandardRESTHTTPResponse(
500, "Server Error Stopping the Node " + nodeName, null, null);
}
return response;
}
@GET
@Produces(MediaType.APPLICATION_JSON)
@Path("{nodeName}/status")
public Response getStatus(@PathParam("nodeName") String nodeName) {
Response response = null;
try {
org.nikhil.webapp.nodeadmin.entity.Node fetchedNode = nodeOperation.getNode(nodeName);
String status = nodeOperation.getNodeStatus(nodeName, true);
Object jsonObj = NodeAdminUtils.createObjectFromRawData("status", status, null);
response =
NodeAdminUtils.buildStandardRESTHTTPResponse(
200, "Node " + nodeName + " Status Retrieved Successfully", status, null);
} catch (Exception e) {
e.printStackTrace();
response =
NodeAdminUtils.buildStandardRESTHTTPResponse(
500, "Server Error getting the status of the Node " + nodeName, null, null);
}
return response;
}
@DELETE
@Produces(MediaType.APPLICATION_JSON)
@Path("/{nodeName}")
public Response deleteNode(@PathParam("nodeName") String nodeName) {
Response response = null;
try {
nodeOperation.deleteNode(nodeName);
response =
NodeAdminUtils.buildStandardRESTHTTPResponse(
200, "Node " + nodeName + " Deleted Successfully", null, null);
} catch (Exception e) {
e.printStackTrace();
response =
NodeAdminUtils.buildStandardRESTHTTPResponse(
500, "Server Error Deleting Node", null, null);
}
return response;
}
@GET
@Produces(MediaType.APPLICATION_JSON)
public Response getNodes() {
Response response = null;
try {
List<Node> flattenedNodeList = new ArrayList<>();
List<org.nikhil.webapp.nodeadmin.entity.Node> list = nodeOperation.listNodes();
for (org.nikhil.webapp.nodeadmin.entity.Node node : list) {
flattenedNodeList.add(getNodeJSONFromNodeEntity(node));
}
response =
NodeAdminUtils.buildStandardRESTHTTPResponseForCollection(
200, "Node List Retrieved Successfully", flattenedNodeList, null);
} catch (Exception e) {
e.printStackTrace();
response =
NodeAdminUtils.buildStandardRESTHTTPResponse(
500, "Server Error Retrieving Node List", null, null);
}
return response;
}
@GET
@Produces(MediaType.APPLICATION_JSON)
@Path("/{nodeName}")
public Response getANode(@PathParam("nodeName") String nodeName) {
Response response = null;
try {
org.nikhil.webapp.nodeadmin.entity.Node fetchedNode = nodeOperation.getNode(nodeName);
if (fetchedNode == null) {
response = NodeAdminUtils.buildStandardRESTHTTPResponse(404, "No Such Node", null, null);
} else {
Node flattenedNode = getNodeJSONFromNodeEntity(fetchedNode);
response =
NodeAdminUtils.buildStandardRESTHTTPResponse(
200, "Node Retrieved Successfully", flattenedNode, null);
}
} catch (Exception e) {
e.printStackTrace();
response =
NodeAdminUtils.buildStandardRESTHTTPResponse(
500, "Server Error Retrieving Node " + nodeName, null, null);
}
return response;
}