Package org.eclipse.jgit.transport

Source Code of org.eclipse.jgit.transport.TransportBundleFile

/*
* Copyright (C) 2009, Constantine Plotnikov <constantine.plotnikov@gmail.com>
* Copyright (C) 2008, Google Inc.
* Copyright (C) 2008, Marek Zawirski <marek.zawirski@gmail.com>
* Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
* and other copyright owners as documented in the project's IP log.
*
* This program and the accompanying materials are made available
* under the terms of the Eclipse Distribution License v1.0 which
* accompanies this distribution, is reproduced below, and is
* available at http://www.eclipse.org/org/documents/edl-v10.php
*
* 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 Eclipse Foundation, Inc. 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,
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

package org.eclipse.jgit.transport;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.util.Arrays;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.Set;

import org.eclipse.jgit.JGitText;
import org.eclipse.jgit.errors.NotSupportedException;
import org.eclipse.jgit.errors.TransportException;
import org.eclipse.jgit.lib.Repository;

class TransportBundleFile extends Transport implements TransportBundle {
  static final TransportProtocol PROTO_BUNDLE = new TransportProtocol() {
    private final String[] schemeNames = { "bundle", "file" }; //$NON-NLS-1$ //$NON-NLS-2$

    private final Set<String> schemeSet = Collections
        .unmodifiableSet(new LinkedHashSet<String>(Arrays
            .asList(schemeNames)));

    @Override
    public String getName() {
      return JGitText.get().transportProtoBundleFile;
    }

    public Set<String> getSchemes() {
      return schemeSet;
    }

    @Override
    public boolean canHandle(URIish uri, Repository local, String remoteName) {
      if (uri.getPath() == null
          || uri.getPort() > 0
          || uri.getUser() != null
          || uri.getPass() != null
          || uri.getHost() != null
          || (uri.getScheme() != null && !getSchemes().contains(uri.getScheme())))
        return false;
      return true;
    }

    @Override
    public Transport open(URIish uri, Repository local, String remoteName)
        throws NotSupportedException, TransportException {
      if ("bundle".equals(uri.getScheme())) {
        File path = local.getFS().resolve(new File("."), uri.getPath());
        return new TransportBundleFile(local, uri, path);
      }

      // This is an ambiguous reference, it could be a bundle file
      // or it could be a Git repository. Allow TransportLocal to
      // resolve the path and figure out which type it is by testing
      // the target.
      //
      return TransportLocal.PROTO_LOCAL.open(uri, local, remoteName);
    }
  };

  private final File bundle;

  TransportBundleFile(Repository local, URIish uri, File bundlePath) {
    super(local, uri);
    bundle = bundlePath;
  }

  @Override
  public FetchConnection openFetch() throws NotSupportedException,
      TransportException {
    final InputStream src;
    try {
      src = new FileInputStream(bundle);
    } catch (FileNotFoundException err) {
      throw new TransportException(uri, JGitText.get().notFound);
    }
    return new BundleFetchConnection(this, src);
  }

  @Override
  public PushConnection openPush() throws NotSupportedException {
    throw new NotSupportedException(
        JGitText.get().pushIsNotSupportedForBundleTransport);
  }

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

}
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