SigningOkClient.java

/*
 * Copyright (C) 2013 Patrik kerfeldt
 *
 * 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 se.akerfeldt.signpost.retrofit;

import java.io.IOException;

import oauth.signpost.exception.OAuthCommunicationException;
import oauth.signpost.exception.OAuthExpectationFailedException;
import oauth.signpost.exception.OAuthMessageSignerException;
import retrofit.client.OkClient;
import retrofit.client.Request;
import retrofit.client.Response;

/**
 * This is a helper class, a {@code retrofit.client.UrlConnectionClient} to use
 * when building your {@code retrofit.RestAdapter}.
 * 
 */
public class SigningOkClient extends OkClient {

	private final RetrofitHttpOAuthConsumer mOAuthConsumer;
	
	public SigningOkClient(RetrofitHttpOAuthConsumer consumer) {
		mOAuthConsumer = consumer;
	}
	
	@Override
	public Response execute(Request request) throws IOException {
		Request requestToSend = request;
		try {
			HttpRequestAdapter signedAdapter = (HttpRequestAdapter) mOAuthConsumer.sign(request);
			requestToSend = (Request) signedAdapter.unwrap();
		} catch (OAuthMessageSignerException e) {
			// Fail to sign, ignore
			e.printStackTrace();
		} catch (OAuthExpectationFailedException e) {
			// Fail to sign, ignore
			e.printStackTrace();
		} catch (OAuthCommunicationException e) {
			// Fail to sign, ignore
			e.printStackTrace();
		}
		return super.execute(requestToSend);
	}

}