88 lines
2.9 KiB
Java
88 lines
2.9 KiB
Java
package org.gcube.portal.social_networking_client_library.utils;
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import javax.ws.rs.WebApplicationException;
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import javax.ws.rs.client.Client;
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import javax.ws.rs.client.ClientBuilder;
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import javax.ws.rs.client.Entity;
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import javax.ws.rs.client.WebTarget;
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import javax.ws.rs.core.GenericType;
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import javax.ws.rs.core.MediaType;
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import org.gcube.portal.social_networking_client_library.filter.AuthorizationFilter;
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import org.gcube.portal.socialnetworking.model.output.ResponseBean;
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import org.glassfish.jersey.client.ClientConfig;
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import org.glassfish.jersey.jackson.JacksonFeature;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.fasterxml.jackson.core.JsonProcessingException;
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/**
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* Http client with post and get methods (jersey is used)
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* @author Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)
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*/
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public class HttpClient{
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private static Logger logger = LoggerFactory.getLogger(HttpClient.class);
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/**
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* Executes a get request
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* @param genericType
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* @param genericType
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* @param genericType
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* @param returnType
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* @param requestUrl
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* @param token
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* @return
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*/
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public static <R> R get(GenericType<ResponseBean<R>> returnType, String requestUrl){
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logger.debug("Executing get request at url " + requestUrl);
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ClientConfig cc = new ClientConfig().register(new JacksonFeature()).register(new AuthorizationFilter());
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Client client = ClientBuilder.newClient(cc);
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WebTarget webResourceGet = client.target(requestUrl);
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ResponseBean<R> response = webResourceGet.request(MediaType.APPLICATION_JSON).accept(MediaType.APPLICATION_JSON).get(returnType);
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if(response == null)
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throw new WebApplicationException("Response returned by the service is null");
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if (response.getMessage() != null && !response.getMessage().isEmpty())
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throw new WebApplicationException(
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"Error message is " + response.getMessage());
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return response.getResult();
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}
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/**
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* Executes a post request
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* @param returnType
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* @param requestUrl
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* @param token
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* @param body
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* @return
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* @throws JsonProcessingException
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*/
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public static <R> R post(GenericType<ResponseBean<R>> returnType, String requestUrl, Object obj){
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logger.debug("Executing post request at url " + requestUrl);
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ClientConfig cc = new ClientConfig().register(new JacksonFeature()).register(new AuthorizationFilter());
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Client client = ClientBuilder.newClient(cc);
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WebTarget webResourceGet = client.target(requestUrl);
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logger.debug("Entity looks like " + Entity.json(obj));
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ResponseBean<R> response = webResourceGet.request(MediaType.APPLICATION_JSON).accept(MediaType.APPLICATION_JSON).post(Entity.json(obj), returnType);
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if(response == null)
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throw new WebApplicationException("Response returned by the service is null");
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if (response.getMessage() != null && !response.getMessage().isEmpty())
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throw new WebApplicationException(
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"Error message is " + response.getMessage());
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return response.getResult();
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}
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}
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