1 | /*
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2 | * Copyright (c) 2009 Matthias Kaeppler Licensed under the Apache License,
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3 | * Version 2.0 (the "License"); you may not use this file except in compliance
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4 | * with the License. You may obtain a copy of the License at
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5 | * http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law
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6 | * or agreed to in writing, software distributed under the License is
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7 | * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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8 | * KIND, either express or implied. See the License for the specific language
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9 | * governing permissions and limitations under the License.
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10 | */
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11 | package oauth.signpost.basic;
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12 |
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13 | import java.io.IOException;
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14 | import java.net.HttpURLConnection;
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15 | import java.net.MalformedURLException;
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16 | import java.net.URL;
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17 |
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18 | import oauth.signpost.AbstractOAuthProvider;
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19 | import oauth.signpost.http.HttpRequest;
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20 | import oauth.signpost.http.HttpResponse;
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21 |
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22 | /**
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23 | * This default implementation uses {@link java.net.HttpURLConnection} type GET
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24 | * requests to receive tokens from a service provider.
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25 | *
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26 | * @author Matthias Kaeppler
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27 | */
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28 | public class DefaultOAuthProvider extends AbstractOAuthProvider {
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29 |
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30 | private static final long serialVersionUID = 1L;
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31 |
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32 | public DefaultOAuthProvider(String requestTokenEndpointUrl, String accessTokenEndpointUrl,
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33 | String authorizationWebsiteUrl) {
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34 | super(requestTokenEndpointUrl, accessTokenEndpointUrl, authorizationWebsiteUrl);
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35 | }
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36 |
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37 | protected HttpRequest createRequest(String endpointUrl) throws MalformedURLException,
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38 | IOException {
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39 | HttpURLConnection connection = (HttpURLConnection) new URL(endpointUrl).openConnection();
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40 | connection.setRequestMethod("POST");
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41 | connection.setAllowUserInteraction(false);
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42 | connection.setRequestProperty("Content-Length", "0");
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43 | return new HttpURLConnectionRequestAdapter(connection);
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44 | }
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45 |
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46 | protected HttpResponse sendRequest(HttpRequest request) throws IOException {
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47 | HttpURLConnection connection = (HttpURLConnection) request.unwrap();
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48 | connection.connect();
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49 | return new HttpURLConnectionResponseAdapter(connection);
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50 | }
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51 |
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52 | @Override
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53 | protected void closeConnection(HttpRequest request, HttpResponse response) {
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54 | HttpURLConnection connection = (HttpURLConnection) request.unwrap();
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55 | if (connection != null) {
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56 | connection.disconnect();
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57 | }
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58 | }
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59 | }
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