oauth.signpost.commonshttp3.CommonsHttp3OAuthProvider.java Source code

Introduction

Here is the source code for oauth.signpost.commonshttp3.CommonsHttp3OAuthProvider.java

Source

/*
 * Copyright (c) 2009 Matthias Kaeppler 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 oauth.signpost.commonshttp3;

import oauth.signpost.AbstractOAuthProvider;
import oauth.signpost.http.HttpRequest;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpMethod;
import org.apache.commons.httpclient.methods.PostMethod;

/**
 * This implementation uses the Apache Commons {@link HttpClient} 4.x HTTP
 * implementation to fetch OAuth tokens from a service provider. Android users
 * should use this provider implementation in favor of the default one, since
 * the latter is known to cause problems with Android's Apache Harmony
 * underpinnings.
 * 
 * @author Matthias Kaeppler
 */
public class CommonsHttp3OAuthProvider extends AbstractOAuthProvider {

    private static final long serialVersionUID = 1L;

    private transient HttpClient httpClient;

    public CommonsHttp3OAuthProvider(String requestTokenEndpointUrl, String accessTokenEndpointUrl,
            String authorizationWebsiteUrl) {
        super(requestTokenEndpointUrl, accessTokenEndpointUrl, authorizationWebsiteUrl);
        this.httpClient = new HttpClient();
    }

    public CommonsHttp3OAuthProvider(String requestTokenEndpointUrl, String accessTokenEndpointUrl,
            String authorizationWebsiteUrl, HttpClient httpClient) {
        super(requestTokenEndpointUrl, accessTokenEndpointUrl, authorizationWebsiteUrl);
        this.httpClient = httpClient;
    }

    public void setHttpClient(HttpClient httpClient) {
        this.httpClient = httpClient;
    }

    @Override
    protected HttpRequest createRequest(String endpointUrl) throws Exception {
        PostMethod method = new PostMethod(endpointUrl);
        return new Http3RequestAdapter(method);
    }

    @Override
    protected oauth.signpost.http.HttpResponse sendRequest(HttpRequest request) throws Exception {
        HttpMethod method = (HttpMethod) request.unwrap();
        httpClient.executeMethod(method);
        return new Http3ResponseAdapter(method);
    }

    @Override
    protected void closeConnection(HttpRequest request, oauth.signpost.http.HttpResponse response)
            throws Exception {
        if (response != null) {
            HttpMethod method = (HttpMethod) response.unwrap();
            if (method != null) {
                method.releaseConnection();
            }
        }
    }
}