com.github.klieber.phantomjs.install.WebInstaller Maven / Gradle / Ivy

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A plugin for downloading, installing, and executing phantomjs.

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/*
 * Copyright (c) 2014 Kyle Lieber
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package com.github.klieber.phantomjs.install;

import com.github.klieber.phantomjs.archive.PhantomJSArchive;
import com.github.klieber.phantomjs.config.Configuration;
import com.github.klieber.phantomjs.download.DownloadException;
import com.github.klieber.phantomjs.download.Downloader;
import com.github.klieber.phantomjs.extract.ExtractionException;
import com.github.klieber.phantomjs.extract.Extractor;

import java.io.File;

public class WebInstaller implements Installer {

  private static final String UNABLE_TO_INSTALL = "Unable to install phantomjs.";

  private final Configuration config;
  private final Downloader downloader;
  private final Extractor extractor;

  public WebInstaller(Configuration config, Downloader downloader, Extractor extractor) {
    this.config = config;
    this.downloader = downloader;
    this.extractor = extractor;
  }

  @Override
  public String install() throws InstallationException {
    PhantomJSArchive phantomJSArchive = config.getPhantomJsArchive();
    File outputDirectory = config.getOutputDirectory();

    File extractTo = new File(outputDirectory, phantomJSArchive.getExtractToPath());

    if (!extractTo.exists()) {
      try {
        File archive = downloader.download(phantomJSArchive);
        extractor.extract(archive, extractTo);
      } catch(DownloadException e) {
        throw new InstallationException(UNABLE_TO_INSTALL, e);
      } catch(ExtractionException e) {
        throw new InstallationException(UNABLE_TO_INSTALL, e);
      }

    }
    return extractTo.getAbsolutePath();
  }
}