Some efficient ways to export data other then JSON from Elasticsearch

Elastic Stack Elasticsearch
1

Hi, building some sort of internal tool to export data from Elasticsearch
and I would liek to offer csv or XML.

Just wondering what options there are...

Bassically a user can login to a front end (No I cannot use what is out
there, it's only a small portion of a larger tool within the organization)
put their query in and then select the export format: JSON, XML, CSV.

When I have the SearchResponse from onResponse() what options do i have
here?

Thanks

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1 Like
2

Also it has to be done on the back end so JAVA it is...

On Tuesday, 16 September 2014 10:04:44 UTC-4, John Smith wrote:

Hi, building some sort of internal tool to export data from Elasticsearch
and I would liek to offer csv or XML.

Just wondering what options there are...

Bassically a user can login to a front end (No I cannot use what is out
there, it's only a small portion of a larger tool within the organization)
put their query in and then select the export format: JSON, XML, CSV.

When I have the SearchResponse from onResponse() what options do i have
here?

Thanks

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3

You need to use the scan and scroll API for that.

See http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/search-request-scroll.html#scroll-scan

This class could help you in Java: https://github.com/elasticsearch/elasticsearch/blob/master/src/test/java/org/elasticsearch/search/scroll/SearchScrollTests.java

HTH

--
David Pilato | Technical Advocate | Elasticsearch.com
@dadoonet | @elasticsearchfr

Le 16 septembre 2014 à 16:13:13, John Smith (java.dev.mtl@gmail.com) a écrit:

Also it has to be done on the back end so JAVA it is...

On Tuesday, 16 September 2014 10:04:44 UTC-4, John Smith wrote:
Hi, building some sort of internal tool to export data from Elasticsearch and I would liek to offer csv or XML.

Just wondering what options there are...

Bassically a user can login to a front end (No I cannot use what is out there, it's only a small portion of a larger tool within the organization) put their query in and then select the export format: JSON, XML, CSV.

When I have the SearchResponse from onResponse() what options do i have here?

Thanks

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4

Yep, already doing that part actually...

Was just wondering I guess the best way to deserialize from json to xml for
instance.

I suppose it's slightly off topic but what are some good json to xml
converters.

On Tuesday, 16 September 2014 10:23:05 UTC-4, David Pilato wrote:

You need to use the scan and scroll API for that.

See
Elasticsearch Platform — Find real-time answers at scale | Elastic

This class could help you in Java:
https://github.com/elasticsearch/elasticsearch/blob/master/src/test/java/org/elasticsearch/search/scroll/SearchScrollTests.java

HTH

--
David Pilato | Technical Advocate | Elasticsearch.com
@dadoonet https://twitter.com/dadoonet | @elasticsearchfr
https://twitter.com/elasticsearchfr

Le 16 septembre 2014 à 16:13:13, John Smith (java.d...@gmail.com
<javascript:>) a écrit:

Also it has to be done on the back end so JAVA it is...

On Tuesday, 16 September 2014 10:04:44 UTC-4, John Smith wrote:

Hi, building some sort of internal tool to export data from Elasticsearch
and I would liek to offer csv or XML.

Just wondering what options there are...

Bassically a user can login to a front end (No I cannot use what is out
there, it's only a small portion of a larger tool within the organization)
put their query in and then select the export format: JSON, XML, CSV.

When I have the SearchResponse from onResponse() what options do i have
here?

Thanks

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5

When it comes to JSON, Jackson should be at the top of your list. It's an excellent library and it has plenty of support
for XML [1]

[1] GitHub - FasterXML/jackson-dataformat-xml: Extension for Jackson JSON processor that adds support for serializing POJOs as XML (and deserializing from XML) as an alternative to JSON

On 9/16/14 5:48 PM, John Smith wrote:

Yep, already doing that part actually...

Was just wondering I guess the best way to deserialize from json to xml for instance.

I suppose it's slightly off topic but what are some good json to xml converters.

On Tuesday, 16 September 2014 10:23:05 UTC-4, David Pilato wrote:

You need to use the scan and scroll API for that.

See http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/search-request-scroll.html#scroll-scan
<http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/search-request-scroll.html#scroll-scan>

This class could help you in Java:
https://github.com/elasticsearch/elasticsearch/blob/master/src/test/java/org/elasticsearch/search/scroll/SearchScrollTests.java
<https://github.com/elasticsearch/elasticsearch/blob/master/src/test/java/org/elasticsearch/search/scroll/SearchScrollTests.java>


HTH

--
*David Pilato* | /Technical Advocate/ | *Elasticsearch.com*
@dadoonet <https://twitter.com/dadoonet> | @elasticsearchfr <https://twitter.com/elasticsearchfr>


Le 16 septembre 2014 à 16:13:13, John Smith (java.d...@gmail.com <javascript:>) a écrit:

Also it has to be done on the back end so JAVA it is...

On Tuesday, 16 September 2014 10:04:44 UTC-4, John Smith wrote:

    Hi, building some sort of internal tool to export data from Elasticsearch and I would liek to offer csv or XML.

    Just wondering what options there are...


    Bassically a user can login to a front end (No I cannot use what is out there, it's only a small portion of a
    larger tool within the organization) put their query in and then select the export format: JSON, XML, CSV.

    When I have the SearchResponse from onResponse() what options do i have here?

    Thanks

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Costin

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6

Hadn't looked at Jakson for a while but it seems to do both XML and CSV
(limited to json that represents tabular data)

On Tuesday, 16 September 2014 10:48:58 UTC-4, John Smith wrote:

Yep, already doing that part actually...

Was just wondering I guess the best way to deserialize from json to xml
for instance.

I suppose it's slightly off topic but what are some good json to xml
converters.

On Tuesday, 16 September 2014 10:23:05 UTC-4, David Pilato wrote:

You need to use the scan and scroll API for that.

See
Elasticsearch Platform — Find real-time answers at scale | Elastic

This class could help you in Java:
https://github.com/elasticsearch/elasticsearch/blob/master/src/test/java/org/elasticsearch/search/scroll/SearchScrollTests.java

HTH

--
David Pilato | Technical Advocate | Elasticsearch.com
@dadoonet https://twitter.com/dadoonet | @elasticsearchfr
https://twitter.com/elasticsearchfr

Le 16 septembre 2014 à 16:13:13, John Smith (java.d...@gmail.com) a
écrit:

Also it has to be done on the back end so JAVA it is...

On Tuesday, 16 September 2014 10:04:44 UTC-4, John Smith wrote:

Hi, building some sort of internal tool to export data from
Elasticsearch and I would liek to offer csv or XML.

Just wondering what options there are...

Bassically a user can login to a front end (No I cannot use what is out
there, it's only a small portion of a larger tool within the organization)
put their query in and then select the export format: JSON, XML, CSV.

When I have the SearchResponse from onResponse() what options do i have
here?

Thanks

--
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For more options, visit https://groups.google.com/d/optout.

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