/*
 * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or
 * without modification, are permitted provided that the following
 * conditions are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * - Redistributions in binary form must reproduce the above
 *   copyright notice, this list of conditions and the following
 *   disclaimer in the documentation and/or other materials provided
 *   with the distribution.
 *
 * - Neither the name of the Git Development Community nor the
 *   names of its contributors may be used to endorse or promote
 *   products derived from this software without specific prior
 *   written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package org.spearce.jgit.transport;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;

import org.spearce.jgit.errors.NotSupportedException;
import org.spearce.jgit.errors.TransportException;
import org.spearce.jgit.lib.Repository;
import org.spearce.jgit.util.FS;

class TransportBundleFile extends Transport implements TransportBundle {
	static boolean canHandle(final URIish uri) {
		if (uri.getHost() != null || uri.getPort() > 0 || uri.getUser() != null
				|| uri.getPass() != null || uri.getPath() == null)
			return false;

		if ("file".equals(uri.getScheme()) || uri.getScheme() == null) {
			final File f = FS.resolve(new File("."), uri.getPath());
			return f.isFile() || f.getName().endsWith(".bundle");
		}

		return false;
	}

	private final File bundle;

	TransportBundleFile(final Repository local, final URIish uri) {
		super(local, uri);
		bundle = FS.resolve(new File("."), uri.getPath()).getAbsoluteFile();
	}

	@Override
	public FetchConnection openFetch() throws NotSupportedException,
			TransportException {
		final InputStream src;
		try {
			src = new FileInputStream(bundle);
		} catch (FileNotFoundException err) {
			throw new TransportException(uri, "not found");
		}
		return new BundleFetchConnection(this, src);
	}

	@Override
	public PushConnection openPush() throws NotSupportedException {
		throw new NotSupportedException(
				"Push is not supported for bundle transport");
	}

	@Override
	public void close() {
		// Resources must be established per-connection.
	}

}