ApiKeyProvider.java

/*
 * Copyright 2012 GitHub Inc.
 *
 * 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 com.github.mobile.gauges.authenticator;

import static android.accounts.AccountManager.KEY_AUTHTOKEN;
import static com.github.mobile.gauges.authenticator.AuthConstants.AUTHTOKEN_TYPE;
import static com.github.mobile.gauges.authenticator.AuthConstants.GAUGES_ACCOUNT_TYPE;
import android.accounts.AccountManager;
import android.accounts.AccountManagerFuture;
import android.accounts.AccountsException;
import android.app.Activity;
import android.os.Bundle;

import com.github.mobile.gauges.core.GaugesService;
import com.google.inject.Inject;

import java.io.IOException;

/**
 * Bridge class that obtains a gaug.es API key for the currently configured account
 */
public class ApiKeyProvider {

    @Inject
    private Activity activity;

    @Inject
    private AccountManager accountManager;

    /**
     * This call blocks, so shouldn't be called on the UI thread
     *
     * @return API key to be used for authorization with a {@link GaugesService} instance
     * @throws AccountsException
     * @throws IOException
     */
    public String getAuthKey() throws AccountsException, IOException {
        AccountManagerFuture<Bundle> accountManagerFuture = accountManager.getAuthTokenByFeatures(GAUGES_ACCOUNT_TYPE,
                AUTHTOKEN_TYPE, new String[0], activity, null, null, null, null);

        return accountManagerFuture.getResult().getString(KEY_AUTHTOKEN);
    }
}