org.quickgeo.generate.Downloader.java Source code

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Here is the source code for org.quickgeo.generate.Downloader.java

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/*
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 
 */

package org.quickgeo.generate;

import com.google.common.collect.ImmutableMap;
import java.io.File;
import java.net.URL;
import java.util.logging.Level;
import org.apache.commons.io.FileUtils;

/**
 *
 */
public final class Downloader {

    ///////////////////////////// Class Attributes \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

    private static final String URL_STRING = "http://download.geonames.org/export/zip/;cc;.zip";

    private static final String REPLACE_ARTIFACT = "quickgeo-";

    ////////////////////////////// Class Methods \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

    public static final ImmutableMap<String, File> download(Dataset dataset) {

        ImmutableMap.Builder<String, File> builder = new ImmutableMap.Builder<String, File>();

        for (String artifact : dataset.getArtifacts()) {
            try {
                String cc = artifact.replaceAll(REPLACE_ARTIFACT, "").toUpperCase();
                String url = URL_STRING.replaceAll(";cc;", cc);

                File tempFile = File.createTempFile("geo-" + cc + System.currentTimeMillis(), null);
                FileUtils.copyURLToFile(new URL(url), tempFile);
                builder.put(cc, tempFile);

                Settings.getSettings().getLogger().log(Level.INFO, "Downloaded file from {0} to {1}",
                        new Object[] { url, tempFile.getPath() });

            } catch (Exception ex) {
                Settings.getSettings().getLogger().log(Level.WARNING, "Couldn't fetch artifact", ex);
            }
        }

        return builder.build();
    }

    //////////////////////////////// Attributes \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

    /////////////////////////////// Constructors \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\  

    private Downloader() {
    }

    ////////////////////////////////// Methods \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

    //------------------------ Implements:

    //------------------------ Overrides:

    //---------------------------- Abstract Methods -----------------------------

    //---------------------------- Utility Methods ------------------------------

    //---------------------------- Property Methods -----------------------------     

}