com.cisco.oss.foundation.tools.simulator.rest.resources.SimulatorResource.java Source code

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Here is the source code for com.cisco.oss.foundation.tools.simulator.rest.resources.SimulatorResource.java

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/*
 * Copyright 2014 Cisco Systems, Inc.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package com.cisco.oss.foundation.tools.simulator.rest.resources;

import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.HttpMethod;
import javax.ws.rs.POST;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.ResponseBuilder;
import javax.ws.rs.core.UriInfo;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;

import com.cisco.oss.foundation.tools.simulator.rest.service.SimulatorService;

/**
 * this is the resource of the simulator itself
 * all the REST calls of the simulator will get here
 *
 */
@Component
@Path("/")
@Scope("request")
public class SimulatorResource {

    private static Logger logger = LoggerFactory.getLogger(SimulatorResource.class);

    private static final String subResourcesPath = "{subResources: [.:!a-zA-Z0-9~%_/-]+}";
    private SimulatorService simulatorService;

    public SimulatorResource() {
        simulatorService = SimulatorService.getInstance();
    }

    @GET
    @Path(subResourcesPath)
    public Response getResource(@Context HttpServletRequest httpServletRequest, @Context final UriInfo uriInfo,
            @Context HttpHeaders headers, @PathParam("subResources") String subResources, String body) {

        logMethod(HttpMethod.GET, uriInfo, body);

        ResponseBuilder rb = simulatorService.retrieveResponse(HttpMethod.GET, httpServletRequest, uriInfo, headers,
                body);

        Response response = rb.build();
        logResponse(HttpMethod.GET, response);
        return response;

    }

    @PUT
    @Path(subResourcesPath)
    public Response updateResource(@Context HttpServletRequest httpServletRequest, @Context final UriInfo uriInfo,
            @Context HttpHeaders headers, @PathParam("subResources") String subResources, String body) {

        logMethod(HttpMethod.PUT, uriInfo, body);
        ResponseBuilder rb = simulatorService.retrieveResponse(HttpMethod.PUT, httpServletRequest, uriInfo, headers,
                body);
        Response response = rb.build();
        logResponse(HttpMethod.PUT, response);
        return response;
    }

    @POST
    @Path(subResourcesPath)
    public Response createResource(@Context HttpServletRequest httpServletRequest, @Context final UriInfo uriInfo,
            @Context HttpHeaders headers, @PathParam("subResources") String subResources, String body) {

        logMethod(HttpMethod.POST, uriInfo, body);

        ResponseBuilder rb = simulatorService.retrieveResponse(HttpMethod.POST, httpServletRequest, uriInfo,
                headers, body);

        Response response = rb.build();
        logResponse(HttpMethod.POST, response);
        return response;
    }

    @DELETE
    @Path(subResourcesPath)
    public Response deleteResource(@Context HttpServletRequest httpServletRequest, @Context final UriInfo uriInfo,
            @Context HttpHeaders headers, @PathParam("subResources") String subResources, String body) {

        logMethod(HttpMethod.DELETE, uriInfo, body);
        ResponseBuilder rb = simulatorService.retrieveResponse(HttpMethod.DELETE, httpServletRequest, uriInfo,
                headers, body);

        Response response = rb.build();
        logResponse(HttpMethod.DELETE, response);
        return response;
    }

    private void logMethod(String method, UriInfo uriInfo, String body) {
        try {
            String queryParams = uriInfo.getQueryParameters() == null ? ""
                    : getQueryParamsStringForLogging(uriInfo.getQueryParameters());
            logger.debug("Simulator recieved a " + method + " request | " + "path: " + uriInfo.getPath() + " | "
                    + "queryParams: " + queryParams + "| " + "body: " + body);
        } catch (Exception e) {
            logger.error("failed writing to log");
        }

    }

    private void logResponse(String method, Response response) {
        logger.debug("response for " + method + " method: " + response.getStatus());
    }

    private String getQueryParamsStringForLogging(MultivaluedMap<String, String> multivaluedMap) {

        StringBuilder sb = new StringBuilder();

        for (String key : multivaluedMap.keySet()) {
            List<String> values = multivaluedMap.get(key);
            sb.append(key).append("=[");

            for (String value : values) {
                sb.append(value).append(",");
            }
            sb.replace(sb.length() - 1, sb.length(), "");
            sb.append("] ");
        }

        return sb.toString();
    }

}