Queue an action to package the Heritrix WARC.

This commit is contained in:
Eric van der Vlist 2012-04-23 11:09:36 +02:00
parent b346236789
commit 51c2058aa6
1 changed files with 220 additions and 0 deletions

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<!--
Check if a job is terminated and get its WARC archive
-->
<p:config xmlns:p="http://www.orbeon.com/oxf/pipeline" xmlns:oxf="http://www.orbeon.com/oxf/processors" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:xforms="http://www.w3.org/2002/xforms"
xmlns:xxforms="http://orbeon.org/oxf/xml/xforms" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:exist="http://exist.sourceforge.net/NS/exist" xmlns:saxon="http://saxon.sf.net/"
xmlns:pipeline="java:org.orbeon.oxf.processor.pipeline.PipelineFunctionLibrary">
<p:param name="data" type="input"/>
<!-- Get the job -->
<p:processor name="oxf:xforms-submission">
<p:input name="submission" transform="oxf:xslt" href="#data">
<xforms:submission xsl:version="2.0" method="get" action="{/action/@heritrix-job-url}" xxforms:username="{doc('oxf:/config.xml')/config/heritrix/username}"
xxforms:password="{doc('oxf:/config.xml')/config/heritrix/password}" xxforms:preemptive-authentication="false">
<xforms:header combine="replace">
<xforms:name>Accept</xforms:name>
<xforms:value>application/xml</xforms:value>
</xforms:header>
</xforms:submission>
</p:input>
<p:input name="request">
<instance/>
</p:input>
<p:output name="response" id="heritrix-job" debug="heritrix-job"/>
</p:processor>
<p:choose href="#heritrix-job">
<p:when test="/job/crawlControllerState='FINISHED'">
<!-- The job is finished, we can get its archive... -->
<!-- Scan the directory to find the name of the WARC file -->
<p:processor name="oxf:url-generator">
<p:input name="config" transform="oxf:xslt" href="#heritrix-job">
<config xsl:version="2.0">
<url>
<xsl:value-of select="/job/configFiles/value[key='warcWriter.storePaths[0]']/url"/>
</url>
<authentication>
<username>
<xsl:value-of select="doc('oxf:/config.xml')/config/heritrix/username"/>
</username>
<password>
<xsl:value-of select="doc('oxf:/config.xml')/config/heritrix/password"/>
</password>
<preemptive>false</preemptive>
</authentication>
</config>
</p:input>
<p:output name="data" id="warc-dir-list" debug="warc-dir-list"/>
</p:processor>
<!-- Next action: package -->
<p:processor name="oxf:pipeline">
<p:input name="config" href="/data-access.xpl"/>
<p:input name="data" transform="oxf:xslt" href="aggregate('root', #data, #warc-dir-list)">
<config xsl:version="2.0">
<relpath>queue.xml</relpath>
<operation>write</operation>
<type>xquery</type>
<parameter name="uuid" type="string">
<xsl:value-of select="/root/action/@uuid"/>
</parameter>
<parameter name="url" type="string">
<xsl:value-of select="/root/action/@url"/>
</parameter>
<parameter name="directory" type="string">
<xsl:value-of select="/root/action/@directory"/>
</parameter>
<parameter name="heritrix-job-url" type="string">
<xsl:value-of select="/root/action/@heritrix-job-url"/>
</parameter>
<parameter name="priority" type="string">
<xsl:value-of select="/root/action/@priority"/>
</parameter>
<parameter name="warc-url" type="string">
<xsl:value-of select="/root/html/body/a[ends-with(., '.warc')][1]/@href"/>
</parameter>
</config>
</p:input>
<p:input name="param">
<xquery><![CDATA[
declare namespace util = "http://exist-db.org/xquery/util";
for $q in /queue return
update
insert <action priority=$(priority) uuid="{util:uuid()}" type="package-heritrix-warc" url=$(url) directory=$(directory) heritrix-job-url=$(heritrix-job-url) warc-url=$(warc-url)/>
into $q,
for $a in /queue/action where $a/@uuid = $(uuid) return
update
delete $a
]]></xquery>
</p:input>
<p:output name="data" id="response" debug="response"/>
</p:processor>
<p:processor name="oxf:null-serializer">
<p:input name="data" href="#response"/>
</p:processor>
</p:when>
<p:otherwise>
<!-- The job is not finished yet, we'll check later on... -->
<p:processor name="oxf:pipeline">
<p:input name="config" href="/data-access.xpl"/>
<p:input name="data" transform="oxf:xslt" href="#data">
<config xsl:version="2.0">
<relpath>queue.xml</relpath>
<operation>write</operation>
<type>xquery</type>
<parameter name="uuid" type="string">
<xsl:value-of select="/action/@uuid"/>
</parameter>
<parameter name="next-time" type="string">
<xsl:value-of select="current-dateTime() + xs:dayTimeDuration('PT1M')"/>
</parameter>
</config>
</p:input>
<p:input name="param">
<xquery><![CDATA[
for $a in /queue/action where $a/@uuid = $(uuid) return
update value $a/@after with $(next-time)
]]></xquery>
</p:input>
<p:output name="data" id="response" debug="response"/>
</p:processor>
<p:processor name="oxf:null-serializer">
<p:input name="data" href="#response"/>
</p:processor>
</p:otherwise>
</p:choose>
<!-- <p:processor name="oxf:unsafe-xslt">
<p:input name="data" href="aggregate('root', #data, #heritrix-engine, #heritrix-unpaused)"/>
<p:input name="config">
<config xsl:version="2.0">
<relpath>queue.xml</relpath>
<operation>write</operation>
<type>xquery</type>
<parameter name="directory" type="string">
<xsl:value-of select="translate(/root/action/@uuid, '-', '/')"/>
<xsl:text>/</xsl:text>
</parameter>
<parameter name="uuid" type="string">
<xsl:value-of select="/root/action/@uuid"/>
</parameter>
<parameter name="url" type="string">
<xsl:value-of select="/root/action/@url"/>
</parameter>
<parameter name="priority-warc" type="string">
<xsl:value-of select="/root/action/@priority + 1"/>
</parameter>
<parameter name="next-time" type="string">
<xsl:value-of select="current-dateTime() + xs:dayTimeDuration('PT1M')"/>
</parameter>
<parameter name="heritrix-job-url" type="string">
<xsl:value-of select="/root/engine/jobs/value[shortName=/root/action/@uuid]/url"/>
</parameter>
</config>
</p:input>
<p:output name="data" id="data-access-data"/>
</p:processor>
<p:processor name="oxf:pipeline">
<p:input name="config" href="/data-access.xpl"/>
<p:input name="data" transform="oxf:xslt" href="#data-access-data">
<config xsl:version="2.0">
<relpath>
<xsl:value-of select="/config/parameter[@name='directory']"/>
<xsl:text>index.xml</xsl:text>
</relpath>
<operation>write</operation>
<type>document</type>
</config>
</p:input>
<p:input name="param" transform="oxf:xslt" href="#data-access-data">
<archive-set xsl:version="2.0" url="{/config/parameter[@name='url']}" uuid="{/config/parameter[@name='uuid']}">
<heritrix-job url="{/config/parameter[@name='heritrix-job-url']}"/>
</archive-set>
</p:input>
<p:output name="data" id="response2" debug="response2"/>
</p:processor>
<p:processor name="oxf:null-serializer">
<p:input name="data" href="#response2"/>
</p:processor>
<p:processor name="oxf:pipeline">
<p:input name="config" href="/data-access.xpl"/>
<p:input name="data" href="#data-access-data"/>
<p:input name="param">
<xquery><![CDATA[
declare namespace util = "http://exist-db.org/xquery/util";
for $q in /queue return
update
insert <action priority=$(priority-warc) uuid="{util:uuid()}" type="get-heritrix-warc" url=$(url) directory=$(directory) heritrix-job-url=$(heritrix-job-url) after=$(next-time)/>
into $q,
for $a in /queue/action where $a/@uuid = $(uuid) return
update
delete $a
]]></xquery>
</p:input>
<p:output name="data" id="response" debug="response"/>
</p:processor>
<p:processor name="oxf:null-serializer">
<p:input name="data" href="#response"/>
</p:processor>-->
</p:config>