io.github.bonigarcia.wdm.OperaDriverManager.java Source code

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Here is the source code for io.github.bonigarcia.wdm.OperaDriverManager.java

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/*
 * (C) Copyright 2015 Boni Garcia (http://bonigarcia.github.io/)
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser General Public License
 * (LGPL) version 2.1 which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/lgpl-2.1.html
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 */
package io.github.bonigarcia.wdm;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.internal.LinkedTreeMap;

/**
 * Manager for Opera.
 *
 * @author Boni Garcia (boni.gg@gmail.com)
 * @since 1.0.0
 */
public class OperaDriverManager extends BrowserManager {

    private static OperaDriverManager instance;

    public OperaDriverManager() {
    }

    public static synchronized OperaDriverManager getInstance() {
        if (instance == null) {
            instance = new OperaDriverManager();
        }
        return instance;
    }

    @Override
    public List<URL> getDrivers() throws IOException {
        URL driverUrl = getDriverUrl();
        String driverVersion = versionToDownload;

        BufferedReader reader = new BufferedReader(new InputStreamReader(openGitHubConnection(driverUrl)));

        GsonBuilder gsonBuilder = new GsonBuilder();
        Gson gson = gsonBuilder.create();
        GitHubApi[] releaseArray = gson.fromJson(reader, GitHubApi[].class);
        GitHubApi release;
        if (driverVersion == null || driverVersion.isEmpty()
                || driverVersion.equalsIgnoreCase(DriverVersion.LATEST.name())) {
            log.debug("Connecting to {} to check latest OperaDriver release", driverUrl);
            driverVersion = releaseArray[0].getName();
            log.debug("Latest driver version: {}", driverVersion);
            release = releaseArray[0];
        } else {
            release = getVersion(releaseArray, driverVersion);
        }
        if (release == null) {
            throw new RuntimeException("Version " + driverVersion + " is not available for OperaDriver");
        }

        List<LinkedTreeMap<String, Object>> assets = release.getAssets();
        List<URL> urls = new ArrayList<>();
        for (LinkedTreeMap<String, Object> asset : assets) {
            urls.add(new URL(asset.get("browser_download_url").toString()));
        }

        reader.close();
        return urls;
    }

    @Override
    protected String getExportParameter() {
        return WdmConfig.getString("wdm.operaDriverExport");
    }

    private GitHubApi getVersion(GitHubApi[] releaseArray, String version) {
        GitHubApi out = null;
        for (GitHubApi release : releaseArray) {
            if (release.getName().equalsIgnoreCase(version)) {
                out = release;
                break;
            }
        }
        return out;
    }

    @Override
    protected List<String> getDriverName() {
        return Arrays.asList("operadriver");
    }

    @Override
    protected String getDriverVersion() {
        return WdmConfig.getString("wdm.operaDriverVersion");
    }

    @Override
    protected URL getDriverUrl() throws MalformedURLException {
        return WdmConfig.getUrl("wdm.operaDriverUrl");
    }
}