NetUtils.java

/*
 * Copyright 2013 Gleb Godonoga.
 *
 * 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.andrada.sitracker.util;

import android.content.Context;
import android.content.pm.PackageManager;

import com.andrada.sitracker.Constants;

import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import static com.andrada.sitracker.util.LogUtils.LOGD;
import static com.andrada.sitracker.util.LogUtils.LOGE;
import static com.andrada.sitracker.util.LogUtils.makeLogTag;

public class NetUtils {
    private static final String TAG = makeLogTag(NetUtils.class);
    @Nullable
    private static String mUserAgent = null;

    @Nullable
    public static String getUserAgent(@NotNull Context mContext) {
        if (mUserAgent == null) {
            mUserAgent = Constants.APP_TAG;
            try {
                String packageName = mContext.getPackageName();
                String version = mContext.getPackageManager().getPackageInfo(packageName, 0).versionName;
                mUserAgent = mUserAgent + " (" + packageName + "/" + version + ")";
                LOGD(TAG, "User agent set to: " + mUserAgent);
            } catch (PackageManager.NameNotFoundException e) {
                LOGE(TAG, "Unable to find self by package name", e);
            }
        }
        return mUserAgent;
    }
}