예제 #1
0
  protected void execute() throws ArchiverException, IOException {
    if (!checkForced()) {
      return;
    }

    ResourceIterator iter = getResources();
    if (!iter.hasNext()) {
      throw new ArchiverException("You must set at least one file.");
    }

    File tarFile = getDestFile();

    if (tarFile == null) {
      throw new ArchiverException("You must set the destination tar file.");
    }
    if (tarFile.exists() && !tarFile.isFile()) {
      throw new ArchiverException(tarFile + " isn't a file.");
    }
    if (tarFile.exists() && !tarFile.canWrite()) {
      throw new ArchiverException(tarFile + " is read-only.");
    }

    getLogger().info("Building tar: " + tarFile.getAbsolutePath());

    final OutputStream bufferedOutputStream = bufferedOutputStream(new FileOutputStream(tarFile));
    tOut = new TarArchiveOutputStream(compress(compression, bufferedOutputStream), "UTF8");
    if (longFileMode.isTruncateMode()) {
      tOut.setLongFileMode(TarArchiveOutputStream.LONGFILE_TRUNCATE);
    } else if (longFileMode.isPosixMode() || longFileMode.isPosixWarnMode()) {
      tOut.setLongFileMode(TarArchiveOutputStream.LONGFILE_POSIX);
      // Todo: Patch 2.5.1   for this fix. Also make closeable fix on 2.5.1
      tOut.setBigNumberMode(TarArchiveOutputStream.BIGNUMBER_POSIX);
    } else if (longFileMode.isFailMode() || longFileMode.isOmitMode()) {
      tOut.setLongFileMode(TarArchiveOutputStream.LONGFILE_ERROR);
    } else {
      // warn or GNU
      tOut.setLongFileMode(TarArchiveOutputStream.LONGFILE_GNU);
    }

    longWarningGiven = false;
    try {
      while (iter.hasNext()) {
        ArchiveEntry entry = iter.next();
        // Check if we don't add tar file in itself
        if (ResourceUtils.isSame(entry.getResource(), tarFile)) {
          throw new ArchiverException("A tar file cannot include itself.");
        }
        String fileName = entry.getName();
        String name = StringUtils.replace(fileName, File.separatorChar, '/');

        tarFile(entry, tOut, name);
      }
    } finally {
      IOUtil.close(tOut);
    }
  }
예제 #2
0
  /**
   * tar a file
   *
   * @param entry the file to tar
   * @param tOut the output stream
   * @param vPath the path name of the file to tar
   * @throws IOException on error
   */
  protected void tarFile(ArchiveEntry entry, TarOutputStream tOut, String vPath)
      throws ArchiverException, IOException {
    InputStream fIn = null;

    // don't add "" to the archive
    if (vPath.length() <= 0) {
      return;
    }

    if (entry.getResource().isDirectory() && !vPath.endsWith("/")) {
      vPath += "/";
    }

    if (vPath.startsWith("/") && !options.getPreserveLeadingSlashes()) {
      int l = vPath.length();
      if (l <= 1) {
        // we would end up adding "" to the archive
        return;
      }
      vPath = vPath.substring(1, l);
    }

    int pathLength = vPath.length();
    try {
      final TarEntry te;
      if (!longFileMode.isGnuMode() && pathLength >= TarConstants.NAMELEN) {
        int maxPosixPathLen = TarConstants.NAMELEN + TarConstants.POSIX_PREFIXLEN;
        if (longFileMode.isPosixMode()) {
          if (pathLength > maxPosixPathLen) {
            te = new TarEntry(vPath);
          } else {
            te = new PosixTarEntry(vPath);
          }
        } else if (longFileMode.isPosixWarnMode()) {
          if (pathLength > maxPosixPathLen) {
            getLogger()
                .warn("Entry: " + vPath + " longer than " + maxPosixPathLen + " characters.");
            if (!longWarningGiven) {
              getLogger()
                  .warn(
                      "Resulting tar file can only be processed "
                          + "successfully by GNU compatible tar commands");
              longWarningGiven = true;
            }
            te = new TarEntry(vPath);
          } else {
            te = new PosixTarEntry(vPath);
          }
        } else if (longFileMode.isOmitMode()) {
          getLogger().info("Omitting: " + vPath);
          return;
        } else if (longFileMode.isWarnMode()) {
          getLogger()
              .warn("Entry: " + vPath + " longer than " + TarConstants.NAMELEN + " characters.");
          if (!longWarningGiven) {
            getLogger()
                .warn(
                    "Resulting tar file can only be processed "
                        + "successfully by GNU compatible tar commands");
            longWarningGiven = true;
          }
          te = new TarEntry(vPath);
        } else if (longFileMode.isFailMode()) {
          throw new ArchiverException(
              "Entry: " + vPath + " longer than " + TarConstants.NAMELEN + " characters.");
        } else {
          throw new IllegalStateException("Non gnu mode should never get here?");
        }
      } else {
        /* Did not touch it, because this would change the following default tar format, however
         * GNU tar can untar POSIX tar, so I think we should us PosixTarEntry here instead. */
        te = new TarEntry(vPath);
      }

      long teLastModified = entry.getResource().getLastModified();
      te.setModTime(
          teLastModified == PlexusIoResource.UNKNOWN_MODIFICATION_DATE
              ? System.currentTimeMillis()
              : teLastModified);

      if (!entry.getResource().isDirectory()) {
        final long size = entry.getResource().getSize();
        te.setSize(size == PlexusIoResource.UNKNOWN_RESOURCE_SIZE ? 0 : size);

        te.setMode(entry.getMode());
      } else {
        te.setMode(entry.getMode());
      }

      PlexusIoResourceAttributes attributes = entry.getResourceAttributes();

      te.setUserName(
          (attributes != null && attributes.getUserName() != null)
              ? attributes.getUserName()
              : options.getUserName());
      te.setGroupName(
          (attributes != null && attributes.getGroupName() != null)
              ? attributes.getGroupName()
              : options.getGroup());

      final int userId =
          (attributes != null && attributes.getUserId() != null)
              ? attributes.getUserId()
              : options.getUid();
      if (userId > 0) {
        te.setUserId(userId);
      }

      final int groupId =
          (attributes != null && attributes.getGroupId() != null)
              ? attributes.getGroupId()
              : options.getGid();
      if (groupId > 0) {
        te.setGroupId(groupId);
      }

      tOut.putNextEntry(te);

      if (!entry.getResource().isDirectory()) {
        fIn = entry.getInputStream();

        byte[] buffer = new byte[8 * 1024];
        int count = 0;
        do {
          tOut.write(buffer, 0, count);
          count = fIn.read(buffer, 0, buffer.length);
        } while (count != -1);
      }

      tOut.closeEntry();
    } finally {
      IOUtil.close(fIn);
    }
  }
예제 #3
0
  /**
   * tar a file
   *
   * @param entry the file to tar
   * @param tOut the output stream
   * @param vPath the path name of the file to tar
   * @throws IOException on error
   */
  protected void tarFile(ArchiveEntry entry, TarArchiveOutputStream tOut, String vPath)
      throws ArchiverException, IOException {

    // don't add "" to the archive
    if (vPath.length() <= 0) {
      return;
    }

    if (entry.getResource().isDirectory() && !vPath.endsWith("/")) {
      vPath += "/";
    }

    if (vPath.startsWith("/") && !options.getPreserveLeadingSlashes()) {
      int l = vPath.length();
      if (l <= 1) {
        // we would end up adding "" to the archive
        return;
      }
      vPath = vPath.substring(1, l);
    }

    int pathLength = vPath.length();
    InputStream fIn = null;

    try {
      TarArchiveEntry te;
      if (!longFileMode.isGnuMode()
          && pathLength >= org.apache.commons.compress.archivers.tar.TarConstants.NAMELEN) {
        int maxPosixPathLen =
            org.apache.commons.compress.archivers.tar.TarConstants.NAMELEN
                + org.apache.commons.compress.archivers.tar.TarConstants.PREFIXLEN;
        if (longFileMode.isPosixMode()) {
        } else if (longFileMode.isPosixWarnMode()) {
          if (pathLength > maxPosixPathLen) {
            getLogger()
                .warn("Entry: " + vPath + " longer than " + maxPosixPathLen + " characters.");
            if (!longWarningGiven) {
              getLogger()
                  .warn(
                      "Resulting tar file can only be processed "
                          + "successfully by GNU compatible tar commands");
              longWarningGiven = true;
            }
          }
        } else if (longFileMode.isOmitMode()) {
          getLogger().info("Omitting: " + vPath);
          return;
        } else if (longFileMode.isWarnMode()) {
          getLogger()
              .warn(
                  "Entry: "
                      + vPath
                      + " longer than "
                      + org.apache.commons.compress.archivers.tar.TarConstants.NAMELEN
                      + " characters.");
          if (!longWarningGiven) {
            getLogger()
                .warn(
                    "Resulting tar file can only be processed "
                        + "successfully by GNU compatible tar commands");
            longWarningGiven = true;
          }
        } else if (longFileMode.isFailMode()) {
          throw new ArchiverException(
              "Entry: "
                  + vPath
                  + " longer than "
                  + org.apache.commons.compress.archivers.tar.TarConstants.NAMELEN
                  + " characters.");
        } else {
          throw new IllegalStateException("Non gnu mode should never get here?");
        }
      }

      if (entry.getType() == ArchiveEntry.SYMLINK) {
        final SymlinkDestinationSupplier plexusIoSymlinkResource =
            (SymlinkDestinationSupplier) entry.getResource();
        te = new TarArchiveEntry(vPath, TarArchiveEntry.LF_SYMLINK);
        te.setLinkName(plexusIoSymlinkResource.getSymlinkDestination());
      } else {
        te = new TarArchiveEntry(vPath);
      }

      long teLastModified = entry.getResource().getLastModified();
      te.setModTime(
          teLastModified == PlexusIoResource.UNKNOWN_MODIFICATION_DATE
              ? System.currentTimeMillis()
              : teLastModified);

      if (entry.getType() == ArchiveEntry.SYMLINK) {
        te.setSize(0);

      } else if (!entry.getResource().isDirectory()) {
        final long size = entry.getResource().getSize();
        te.setSize(size == PlexusIoResource.UNKNOWN_RESOURCE_SIZE ? 0 : size);
      }
      te.setMode(entry.getMode());

      PlexusIoResourceAttributes attributes = entry.getResourceAttributes();

      te.setUserName(
          (attributes != null && attributes.getUserName() != null)
              ? attributes.getUserName()
              : options.getUserName());
      te.setGroupName(
          (attributes != null && attributes.getGroupName() != null)
              ? attributes.getGroupName()
              : options.getGroup());

      final int userId =
          (attributes != null && attributes.getUserId() != null)
              ? attributes.getUserId()
              : options.getUid();
      if (userId >= 0) {
        te.setUserId(userId);
      }

      final int groupId =
          (attributes != null && attributes.getGroupId() != null)
              ? attributes.getGroupId()
              : options.getGid();
      if (groupId >= 0) {
        te.setGroupId(groupId);
      }

      tOut.putArchiveEntry(te);

      try {
        if (entry.getResource().isFile() && !(entry.getType() == ArchiveEntry.SYMLINK)) {
          fIn = entry.getInputStream();

          Streams.copyFullyDontCloseOutput(fIn, tOut, "xAR");
        }

      } catch (Throwable e) {
        getLogger().warn("When creating tar entry", e);
      } finally {
        tOut.closeArchiveEntry();
      }
    } finally {
      IOUtil.close(fIn);
    }
  }