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https://issues.apache.org/jira/browse/MINIFICPP-39?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16211107#comment-16211107
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ASF GitHub Bot commented on MINIFICPP-39:
-----------------------------------------

Github user apiri commented on a diff in the pull request:

    https://github.com/apache/nifi-minifi-cpp/pull/148#discussion_r145714071
  
    --- Diff: LICENSE ---
    @@ -534,4 +534,68 @@ ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
OUT OF OR IN
     CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     SOFTWARE.
     ========================================================================
    +This projects includes libarchive bundle (https://www.libarchive.org)
    +which is available under a BSD License by Tim Kientzle and others
    +
    +Copyright (c) 2003-2009 Tim Kientzle and other authors 
    +All rights reserved.
    +
    +Redistribution and use in source and binary forms, with or without
    +modification, are permitted provided that the following conditions
    +are met:
    +1. Redistributions of source code must retain the above copyright
    +   notice, this list of conditions and the following disclaimer
    +   in this position and unchanged.
    +2. 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.
    +
    +THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``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 AUTHOR(S) 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.
     (END LICENSE TEXT)
    +
    +All libarchive C sources (including .c and .h files)
    +and documentation files are subject to the copyright notice reproduced
    +above.
    +
    +This libarchive includes below files 
    +libarchive/archive_entry.c
    +libarchive/archive_read_support_filter_compress.c
    +libarchive/archive_write_add_filter_compress.c 
    +which under a 3-clause UC Regents copyright as below
    +/*-
    + * Copyright (c) 1993
    + *      The Regents of the University of California.  All rights reserved.
    + *
    + * Redistribution and use in source and binary forms, with or without
    + * modification, are permitted provided that the following conditions
    + * are met:
    + * 1. Redistributions of source code must retain the above copyright
    + *    notice, this list of conditions and the following disclaimer.
    + * 2. 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.
    + * 4. Neither the name of the University nor the names of its contributors
    --- End diff --
    
    I now see this was commit was taken from the other, outstanding PR, so will 
make sure we get that taken care of there and we can cherry pick the work from 
here onto that.  I believe a number of these changes have already been covered 
there


> Create FocusArchive processor
> -----------------------------
>
>                 Key: MINIFICPP-39
>                 URL: https://issues.apache.org/jira/browse/MINIFICPP-39
>             Project: NiFi MiNiFi C++
>          Issue Type: Task
>            Reporter: Andrew Christianson
>            Assignee: Andrew Christianson
>            Priority: Minor
>
> Create an FocusArchive processor which implements a lens over an archive 
> (tar, etc.). A concise, though informal, definition of a lens is as follows:
> "Essentially, they represent the act of “peering into” or “focusing in on” 
> some particular piece/path of a complex data object such that you can more 
> precisely target particular operations without losing the context or 
> structure of the overall data you’re working with." 
> https://medium.com/@dtipson/functional-lenses-d1aba9e52254#.hdgsvbraq
> Why an FocusArchive in MiNiFi? Simply put, it will enable us to "focus in on" 
> an entry in the archive, perform processing *in-context* of that entry, then 
> re-focus on the overall archive. This allows for transformation or other 
> processing of an entry in the archive without losing the overall context of 
> the archive.
> Initial format support is tar, due to its simplicity and ubiquity.
> Attributes:
> - Path (the path in the archive to focus; "/" to re-focus the overall archive)



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