How to integrate Angular business applications in eXo Platform

				
					package org.exoplatform.services.rest;

import java.util.List;

import javax.annotation.security.RolesAllowed;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriInfo;

import org.json.JSONArray;
import org.json.JSONObject;

import org.exoplatform.dao.ProductDAO;
import org.exoplatform.entity.Product;
import org.exoplatform.services.rest.resource.ResourceContainer;

@Path("crud")
public class CrudPortletRestService implements ResourceContainer {

  private ProductDAO productDAO;

  public CrudPortletRestService(ProductDAO productDAO) {
    this.productDAO = productDAO;
  }

  @GET
  @Path("/addProduct")
  @RolesAllowed("users")
  public Response addProduct(@Context UriInfo uriInfo,
                             @QueryParam("productName") String productName,
                             @QueryParam("productAmount") String productAmount) throws Exception {
    ...
  }

  @GET
  @Path("/deleteProduct/{productId}")
  @RolesAllowed("users")
  public Response deleteProduct(@Context UriInfo uriInfo, @PathParam("productId") String productId) throws Exception {
    ...
  }
  
  @GET
  @Path("/getAllProducts")
  @RolesAllowed("users")
  public Response getAllProducts(@Context UriInfo uriInfo) throws Exception {
    ...
  }
  
  @GET
  @Path("/getProductById/{productId}")
  @RolesAllowed("users")
  public Response getProductById(@Context UriInfo uriInfo, @PathParam("productId") String productId) throws Exception {
    ...
  }

  @GET
  @Path("/updateProduct/{productId}")
  @RolesAllowed("users")
  public Response updateProduct(@Context UriInfo uriInfo,
                                @PathParam("productId") String productId,
                                @QueryParam("productName") String productName,
                                @QueryParam("productAmount") String productAmount) throws Exception {
	...
  }
}