com.google.reviewit.app.Gerrit.java Source code

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Here is the source code for com.google.reviewit.app.Gerrit.java

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// Copyright (C) 2016 The Android Open Source Project
//
// 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.google.reviewit.app;

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

import com.google.gerrit.extensions.api.GerritApi;
import com.urswolfer.gerrit.client.rest.GerritAuthData;
import com.urswolfer.gerrit.client.rest.GerritRestApiFactory;
import com.urswolfer.gerrit.client.rest.http.HttpClientBuilderExtension;

import org.apache.http.Header;
import org.apache.http.HttpException;
import org.apache.http.HttpHeaders;
import org.apache.http.HttpRequest;
import org.apache.http.HttpRequestInterceptor;

import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.protocol.HttpContext;

import java.io.IOException;

public class Gerrit {
    private final Context context;
    private com.google.gerrit.extensions.api.GerritApi api;

    Gerrit(Context context, final ConfigManager cfgManager) {
        this.context = context;
        QueryConfig queryCfg = cfgManager.getQueryConfig();
        ServerConfig serverCfg = cfgManager.getServerConfig(queryCfg.serverId);
        api = connect(serverCfg);
        cfgManager.addUpdateListener(new ConfigManager.OnUpdate() {
            @Override
            public void onUpdate(QueryConfig queryCfg) {
                ServerConfig serverCfg = cfgManager.getServerConfig(queryCfg.serverId);
                api = connect(serverCfg);
            }
        });
    }

    private GerritApi connect(ServerConfig serverCfg) {
        return new GerritRestApiFactory().create(
                new GerritAuthData.Basic(serverCfg.url, serverCfg.user, serverCfg.password),
                new HttpClientBuilderExtension() {
                    @Override
                    public HttpClientBuilder extend(HttpClientBuilder httpClientBuilder, GerritAuthData authData) {
                        httpClientBuilder.addInterceptorLast(new HttpRequestInterceptor() {
                            public void process(HttpRequest request, HttpContext context)
                                    throws HttpException, IOException {
                                Header existingUserAgent = request.getFirstHeader(HttpHeaders.USER_AGENT);
                                String userAgent = String.format("%s/%s", getApplicationName(), getVersion());
                                userAgent += " using " + existingUserAgent.getValue();
                                request.setHeader(HttpHeaders.USER_AGENT, userAgent);
                            }
                        });
                        return super.extend(httpClientBuilder, authData);
                    }
                });
    }

    public String getApplicationName() {
        int stringId = context.getApplicationInfo().labelRes;
        return context.getString(stringId);
    }

    public String getVersion() {
        try {
            PackageInfo pInfo = context.getPackageManager().getPackageInfo(context.getPackageName(), 0);
            return pInfo.versionName;
        } catch (PackageManager.NameNotFoundException e) {
            return "n/a";
        }
    }

    public GerritApi api() {
        return api;
    }
}