ccnrepoimport.java

/*
 * A CCNx command line utility.
 *
 * Copyright (C) 2010, 2012 Palo Alto Research Center, Inc.
 *
 * This work is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License version 2 as published by the
 * Free Software Foundation.
 * This work 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 General Public License
 * for more details. You should have received a copy of the GNU General Public
 * License along with this program; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

package org.ccnx.ccn.utils;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.logging.Level;

import org.ccnx.ccn.CCNHandle;
import org.ccnx.ccn.config.ConfigurationException;
import org.ccnx.ccn.impl.repo.LogStructRepoStore.LogStructRepoStoreProfile;
import org.ccnx.ccn.impl.support.Log;
import org.ccnx.ccn.profiles.repo.RepositoryBulkImport;

/**
 * A command-line utility for bulk importing a file into the repo.  It copies the file, so the original
 * file is not changed.
 * Note class name needs to match command name to work with ccn_run
 */
public class ccnrepoimport implements Usage {
	static ccnrepoimport ccnrepoimport = new ccnrepoimport();

	public static Integer timeout = 20000;
	public static String importFileName = "myImport";

	/**
	 * @param args
	 */
	public void doimport(String[] args) {
		Log.setDefaultLevel(Level.WARNING);

		for (int i = 0; i < args.length; i++) {
			if (!CommonArguments.parseArguments(args, i, ccnrepoimport)) {
				if (i >= args.length - 2) {
					CommonParameters.startArg = i;
					break;
				}
				usage(CommonArguments.getExtraUsage());
			}
			i = CommonParameters.startArg;
		}

		if (CommonParameters.startArg > args.length - 2) {
			usage(CommonArguments.getExtraUsage());
		}

		try {

			File repoDir = new File(args[CommonParameters.startArg]);
			if (!repoDir.exists()) {
				System.out.println("Repo at: " + args[CommonParameters.startArg] + " does not exist");
				System.exit(1);
			}

			File repoImportDir = new File(repoDir, LogStructRepoStoreProfile.REPO_IMPORT_DIR);
			repoImportDir.mkdir();

			File theFile = new File(args[CommonParameters.startArg + 1]);
			if (!theFile.exists()) {
				System.out.println("File: " + args[CommonParameters.startArg + 1] + " does not exist");
				System.exit(1);
			}

			File importFile;
			String importName;
			int test = 0;
			while (true) {
				test++;
				importName = importFileName + test;
				importFile = new File(repoImportDir, importName);
				if (!importFile.exists()) {
					break;
				}
			}
			FileInputStream fis = new FileInputStream(theFile);
			FileOutputStream fos = new FileOutputStream(importFile);
			byte[] buf = new byte[8192];
			while (fis.available() > 0) {
				int len = fis.available() > buf.length ? buf.length : fis.available();
				fis.read(buf, 0, len);
				fos.write(buf, 0, len);
			}
			fis.close();
			fos.close();

			CCNHandle handle = CCNHandle.open();

			long starttime = System.currentTimeMillis();

			boolean result = RepositoryBulkImport.bulkImport(handle, importName, timeout);
			System.out.println("Bulk import of " + theFile + (result ? " succeeded" : " failed"));
			System.out.println("ccnrepoimport took: "+(System.currentTimeMillis() - starttime)+" ms");
			System.exit(0);

		} catch (ConfigurationException e) {
			System.out.println("Configuration exception in ccnrepoimport: " + e.getMessage());
			e.printStackTrace();
		} catch (IOException e) {
			System.out.println("Cannot import file. " + e.getMessage());
			e.printStackTrace();
		}
		System.exit(1);
	}

	public void usage(String extraUsage) {
		System.out.println("usage: ccnrepoimport " + extraUsage + "[-timeout millis] [-log level] <repodir> <filename>");
		System.exit(1);
	}

	public static void main(String[] args) {
		ccnrepoimport.doimport(args);
	}

}