com.dhenton9000.jersey.client.JerseyClientExplorer.java Source code

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Here is the source code for com.dhenton9000.jersey.client.JerseyClientExplorer.java

Source

package com.dhenton9000.jersey.client;

import com.dhenton9000.jersey.template.exceptions.AppException;
import com.dhenton9000.restaurant.model.Restaurant;
import com.dhenton9000.restaurant.model.Reviews;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.io.IOException;
import java.io.StringReader;
import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;

import java.net.URI;

import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriBuilder;
import org.glassfish.jersey.client.ClientConfig;

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
    
 http://www.oracle.com/technetwork/articles/java/json-1973242.html
 https://jersey.java.net/documentation/latest/user-guide.html#client
    
 */
/**
 *
 * @author dhenton
 */
public class JerseyClientExplorer {

    private static Logger LOG = LogManager.getLogger(JerseyClientExplorer.class);

    public void doErrorThing() throws AppException, IOException {
        //"/restaurant/review/4/reviewid/333";
        ClientConfig config = new ClientConfig();
        Client client = ClientBuilder.newClient(config);
        WebTarget target = client.target(getBaseURI());
        Response response = target.path("restaurant").path("review").path("1").path("reviewid").path("-500")
                .request().accept(MediaType.APPLICATION_JSON).get(Response.class);
        int resStat = response.getStatus();
        String res = response.readEntity(String.class);
        LOG.debug(res);
        ObjectMapper myreader = new ObjectMapper();
        if (resStat != 200) {
            LOG.error("status problem for request ");
            AppException aa = myreader.readValue(res, AppException.class);

            throw aa;
        } else {
            LOG.debug("response  was 200");
            Reviews r = myreader.readValue(res, Reviews.class);
            LOG.debug(r.getReviewlisting());

        }

    }

    public void doSimpleExample() throws IOException {

        ClientConfig config = new ClientConfig();
        Client client = ClientBuilder.newClient(config);
        WebTarget target = client.target(getBaseURI());

        Response response = target.path("restaurant").path("4").request().accept(MediaType.APPLICATION_JSON)
                .get(Response.class);

        if (response.getStatus() != 200) {
            LOG.error("status problem for request");
        } else {
            LOG.debug("response " + response.getEntity().getClass().getName());
        }
        String res = response.readEntity(String.class);
        LOG.debug(res);

        ObjectMapper myreader = new ObjectMapper();

        JsonNode restaurantObject = myreader.readTree(res);
        LOG.debug(restaurantObject.get("name"));

        Restaurant r = myreader.readValue(res, Restaurant.class);

        LOG.debug(r.getReviewCollection().size());

    }

    private static URI getBaseURI() {

        // return UriBuilder.fromUri("http://donhenton-springmvc3.herokuapp.com/app/backbone").build();
        return UriBuilder.fromUri("http://localhost:8090/jersey-sandbox/webapi").build();
    }

    public static void main(String[] args) {
        try {
            (new JerseyClientExplorer()).doErrorThing();
        } catch (Exception err) {

            LOG.error("main error " + err.getClass().getName() + " " + err.getMessage());

        }
    }

}