95 lines
3.3 KiB
Java
95 lines
3.3 KiB
Java
/*
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* Copyright (C) 2008 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.gson.webservice.client;
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import java.io.IOException;
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import java.net.HttpURLConnection;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import com.google.gson.Gson;
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import com.google.gson.GsonBuilder;
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import com.google.gson.webservice.definition.ResponseBody;
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import com.google.gson.webservice.definition.WebServiceCallSpec;
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import com.google.gson.webservice.definition.WebServiceRequest;
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import com.google.gson.webservice.definition.WebServiceResponse;
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import com.google.gson.webservice.definition.WebServiceSystemException;
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import com.google.gson.webservice.typeadapters.ResponseBodyGsonConverter;
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/**
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* Main class used by clients to access a Gson Web service.
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*
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* @author inder
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*/
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public class WebServiceClient {
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private final WebServiceConfig config;
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private final Logger logger;
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private final Level logLevel;
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public WebServiceClient(WebServiceConfig serverConfig) {
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this(serverConfig, null);
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}
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public WebServiceClient(WebServiceConfig serverConfig, Level logLevel) {
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this.config = serverConfig;
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this.logger = logLevel == null ? null : Logger.getLogger(WebServiceClient.class.getName());
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this.logLevel = logLevel;
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}
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private URL getWebServiceUrl(WebServiceCallSpec callSpec) {
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String url = config.getServiceBaseUrl() + callSpec.getPath().get();
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try {
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return new URL(url);
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} catch (MalformedURLException e) {
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throw new RuntimeException(e);
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}
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}
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public WebServiceResponse getResponse(WebServiceCallSpec callSpec, WebServiceRequest request) {
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Gson gson = new GsonBuilder().registerTypeAdapter(ResponseBody.class,
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new ResponseBodyGsonConverter(callSpec.getResponseSpec().getBodySpec()))
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.create();
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return getResponse(callSpec, request, gson);
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}
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public WebServiceResponse getResponse(
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WebServiceCallSpec callSpec, WebServiceRequest request, Gson gson) {
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try {
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URL webServiceUrl = getWebServiceUrl(callSpec);
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if (logger != null) {
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logger.log(logLevel, "Opening connection to " + webServiceUrl);
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}
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HttpURLConnection conn = (HttpURLConnection) webServiceUrl.openConnection();
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RequestSender requestSender = new RequestSender(gson, logLevel);
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requestSender.send(conn, request);
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ResponseReceiver responseReceiver =
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new ResponseReceiver(gson, callSpec.getResponseSpec(), logLevel);
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return responseReceiver.receive(conn);
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} catch (IOException e) {
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throw new WebServiceSystemException(e);
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} catch (IllegalArgumentException e) {
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throw new WebServiceSystemException(e);
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}
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}
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@Override
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public String toString() {
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return String.format("config:%s", config);
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}
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}
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