Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2015, Yahoo Inc.
 * Copyrights licensed under the Apache 2.0 License.
 * See the accompanying LICENSE file for terms.
 */

import android.content.Context;
import android.util.Log;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

public class Main {
    /**
     * Copy database files to the given folder. Useful for debugging.
     *
     * @param folder the directory to copy files into
     */
    public static void copyDatabases(Context context, String folder) {
        File folderFile = new File(folder);
        if (!folderFile.exists()) {
            folderFile.mkdir();
        }
        for (String db : context.databaseList()) {
            File dbFile = context.getDatabasePath(db);
            try {
                copyFile(dbFile, new File(folderFile.getAbsolutePath() + File.separator + db));
            } catch (Exception e) {
                Log.e("ERROR", "ERROR COPYING DB " + db, e);
            }
        }
    }

    /**
     * Copy a file from one place to another
     */
    private static void copyFile(File in, File out) throws Exception {
        FileInputStream fis = new FileInputStream(in);
        FileOutputStream fos = new FileOutputStream(out);
        try {
            copyStream(fis, fos);
        } catch (Exception e) {
            throw e;
        } finally {
            fis.close();
            fos.close();
        }
    }

    /**
     * Copy a stream from source to destination
     */
    private static void copyStream(InputStream source, OutputStream dest) throws IOException {
        int bytes;
        byte[] buffer;
        int BUFFER_SIZE = 1024;
        buffer = new byte[BUFFER_SIZE];
        while ((bytes = source.read(buffer)) != -1) {
            if (bytes == 0) {
                bytes = source.read();
                if (bytes < 0) {
                    break;
                }
                dest.write(bytes);
                dest.flush();
                continue;
            }

            dest.write(buffer, 0, bytes);
            dest.flush();
        }
    }
}