I have this XML document:
<item>
<title>The Big Bang Theory - Temporada 1</title>
<lge:titleid>season_id4</lge:titleid>
<lge:thumb>https://d12h56qju7t1ah.cloudfront.net/system/artworks/4/h80/the-big-bang-theory-1.20130326114106.jpg?1364298066</lge:thumb>
</item>
and parse it with:
parsed = Nokogiri::XML.parse(File.read(file_doc))
parsed.class returns "Nokogiri::XML::Document".
But when I do:
parsed.at_xpath('lge:titleid').text
I get:
Nokogiri::XML::XPath::SyntaxError: Undefined namespace prefix: //lge:titleid
What could be the reason for this and how can I get the text of that particular node?
Related
I have an XML, that as I understand it has already been parsed by tags. My goal is to parse all the information that is in the <GetResidentsContactInfoResult> tag. In this tag of the sample xml below there are two records in here which begin each with the Lease PropertyId key. How can I iterate over the <GetResidentsContactInfoResult> tag and print out the key/value pairs for each record? I'm new to Ruby and working with XML files, is this something I can do with Nokogiri?
<?xml version="1.0" encoding="UTF-8"?>
<soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<soap:Body>
<GetResidentsContactInfoResponse xmlns="http://tempuri.org/">
<GetResidentsContactInfoResult><PropertyResidents><Lease PropertyId="21M" BldgID="00" UnitID="0903" ResiID="3" occustatuscode="P" occustatuscodedescription="Previous" MoveInDate="2016-01-07T00:00:00" MoveOutDate="2016-02-06T00:00:00" LeaseBeginDate="2016-01-07T00:00:00" LeaseEndDate="2017-01-31T00:00:00" MktgSource="DBY" PrimaryEmail="noemail1#fake.com"><Occupant PropertyId="21M" BldgID="00" UnitID="0903" ResiID="3" OccuSeqNo="3444755" OccuFirstName="Efren" OccuLastName="Cerda" Phone2No="(832) 693-9448" ResponsibleFlag="Responsible" /></Lease><Lease PropertyId="21M" BldgID="00" UnitID="0908" ResiID="2" occustatuscode="P" occustatuscodedescription="Previous" MoveInDate="2016-02-20T00:00:00" MoveOutDate="2016-04-25T00:00:00" LeaseBeginDate="2016-02-20T00:00:00" LeaseEndDate="2017-02-28T00:00:00" MktgSource="PW" PrimaryEmail="noemail1#fake.com"><Occupant PropertyId="21M" BldgID="00" UnitID="0908" ResiID="2" OccuSeqNo="3451301" OccuFirstName="Donna" OccuLastName="Mclean" Phone2No="(713) 785-4240" ResponsibleFlag="Responsible" /></Lease></PropertyResidents></GetResidentsContactInfoResult>
</GetResidentsContactInfoResponse>
</soap:Body>
</soap:Envelope>
This uses Nokogiri to find all the GetResidentsContactInfoResponse elements, and then Active Support to convert the inner text to a hash of key-value pairs.
Read "sparklemotion/nokogiri" and "Tutorials" regarding installing and using Nokogiri.
Read "Active Support Core Extensions" about more capabilities of Active Support (though the guide does not include Hash.from_xml). To install it simply do gem install activesupport.
I assume you're fine with Nokogiri as you mentioned it in your question.
If you don't want to use Active Support, consider looking into "Convert a Nokogiri document to a Ruby Hash" as an alternative to the line Hash.from_xml(elm.text):
# Needed in order to use the `Hash.from_xml`
require 'active_support/core_ext/hash/conversions'
def find_key_values(str)
doc = Nokogiri::XML(str)
# Ignore namespaces for easier traversal
doc.remove_namespaces!
doc.css('GetResidentsContactInfoResponse').map do |elm|
Hash.from_xml(elm.text)
end
end
Usage:
# Option 1: if your XML above is stored in a variable called `string`
find_key_values string
# Option 2: if your XML above is stored in a file
find_key_values File.open('/path/to/file')
Which returns:
[{"PropertyResidents"=>
{"Lease"=>
[{"PropertyId"=>"21M",
"BldgID"=>"00",
"UnitID"=>"0903",
"ResiID"=>"3",
"occustatuscode"=>"P",
"occustatuscodedescription"=>"Previous",
"MoveInDate"=>"2016-01-07T00:00:00",
"MoveOutDate"=>"2016-02-06T00:00:00",
"LeaseBeginDate"=>"2016-01-07T00:00:00",
"LeaseEndDate"=>"2017-01-31T00:00:00",
"MktgSource"=>"DBY",
"PrimaryEmail"=>"noemail1#fake.com",
"Occupant"=>
{"PropertyId"=>"21M",
"BldgID"=>"00",
"UnitID"=>"0903",
"ResiID"=>"3",
"OccuSeqNo"=>"3444755",
"OccuFirstName"=>"Efren",
"OccuLastName"=>"Cerda",
"Phone2No"=>"(832) 693-9448",
"ResponsibleFlag"=>"Responsible"}},
{"PropertyId"=>"21M",
"BldgID"=>"00",
"UnitID"=>"0908",
"ResiID"=>"2",
"occustatuscode"=>"P",
"occustatuscodedescription"=>"Previous",
"MoveInDate"=>"2016-02-20T00:00:00",
"MoveOutDate"=>"2016-04-25T00:00:00",
"LeaseBeginDate"=>"2016-02-20T00:00:00",
"LeaseEndDate"=>"2017-02-28T00:00:00",
"MktgSource"=>"PW",
"PrimaryEmail"=>"noemail1#fake.com",
"Occupant"=>
{"PropertyId"=>"21M",
"BldgID"=>"00",
"UnitID"=>"0908",
"ResiID"=>"2",
"OccuSeqNo"=>"3451301",
"OccuFirstName"=>"Donna",
"OccuLastName"=>"Mclean",
"Phone2No"=>"(713) 785-4240",
"ResponsibleFlag"=>"Responsible"}}]}}]
I wanted to extract the attributes form an xml using Pig Latin.
This is a sample of the xml file
<CATALOG>
<BOOK>
<TITLE test="test1">Hadoop Defnitive Guide</TITLE>
<AUTHOR>Tom White</AUTHOR>
<COUNTRY>US</COUNTRY>
<COMPANY>CLOUDERA</COMPANY>
<PRICE>24.90</PRICE>
<YEAR>2012</YEAR>
</BOOK>
</CATALOG>
I used this script but it didn't work:
REGISTER ./piggybank.jar
DEFINE XPath org.apache.pig.piggybank.evaluation.xml.XPath();
A = LOAD './books.xml' using org.apache.pig.piggybank.storage.XMLLoader('BOOK') as (x:chararray);
B = FOREACH A GENERATE XPath(x, 'BOOK/TITLE/#test'), XPath(x, 'BOOK/PRICE');
dump B;
The output was:
(,24.90)
I hope someone can help me with this.
Thanks.
There are 2 bugs in piggybank's XPath class:
The ignoreNamespace logic breaks searching for XML attributes
https://issues.apache.org/jira/browse/PIG-4751
The ignoreNamepace parameter is defaulted to true and cannot be overwritten
https://issues.apache.org/jira/browse/PIG-4752
Here is my workaround using XPathAll:
XPathAll(x, 'BOOK/TITLE/#test', true, false).$0 as (test:chararray)
Also if you still need to ignore namespaces:
XPathAll(x, '//*[local-name()=\'BOOK\']//*[local-name()=\'TITLE\']/#test', true, false).$0 as (test:chararray)
I'm having a bit of trouble testing some XML generation using Nokogiri when the node is blank. I'm using Minitest to compare the generated XML string with a template fixture file. My test fails with the blank node as Minitest is comparing <Node></Node> with <Node />.
XML Generation
builder = Nokogiri::XML::Builder.new encoding: "UTF-8" do |xml|
xml.Header
xml.FileName #object.filename
end
Template file
This is the file I'm using as a fixture in my tests
<?xml version="1.0" encoding="UTF-8"?>
<Header/>
<FileName></FileName>
Minitest output
3) Failure:
--- expected
+++ actual
## -25,7 +25,7 ##
<Header />
- <FileName/>
+ <FileName></FileName>
As you can see, MiniTest is trying to compare a self-closing tag with a non-self-closing tag and making the test fail. Changing the fixture tag to a self-closing one results, strangely, in exactly the same error message.
It's because sometimes #object.filename is nil - if I have a blank XML node (as in xml.Header above) using a self-closing tag in my fixture works no problem.
I would use XML schema in this case:
def test_that_xml_data_conforms_to_schema
xml_data = ...
schema_data = ...
fragment = Nokogiri::XML.parse(xml_data)
schema = Nokogiri::XML::Schema(schema_data)
assert schema.valid?(fragment)
end
I am having problems understanding Net::HTTP and Nokogiri.
I have a large number of jobs on my Jenkins server. I have to periodically update the branch name on these jobs. Doing it from the UI is a cumbersome process so I decided to update the Jenkins config.xml.
I use Nokogiri to parse the XML, traverse the XPath and update the value of the node. However, when I try to post the updated XML back to Jenkins, I get a 500 error saying:
Caused by: javax.xml.transform.TransformerException: org.xml.sax.SAXParseExceptionpublicId: -//W3C//DTD HTML 4.0 Transitional//EN; systemId: http://www.w3.org/TR/REC-html40/loose.dtd; lineNumber: 31; columnNumber: 3; The declaration for the entity "HTML.Version" must end with '>'.
Here is what I am doing:
require "net/http"
require "nokogiri"
uri = URI.parse("http://jenkins.my.domain.web:8080")
http = Net::HTTP.new(uri.host, uri.port)
getQueueRequest = Net::HTTP::Get.new("http://jenkins.my.domain.web:8080/my/job/location/config.xml")
getQueue = http.request(getQueueRequest)
xml_doc = Nokogiri::HTML(getQueue.body)
# Get current branch name
branch_name=xml_doc.at_xpath('//hudson.plugins.git.branchspec/name')
# Get new branch name
print "Enter new branch name "
user_input = gets.chomp
new_branch_name = user_input.downcase
# Set branch name and create xml
branch_name.content=new_branch_name
new_config_xml=xml_doc.to_xml
puts "Logging into Jenkins"
update_branch = Net::HTTP::Post.new("http://jenkins.my.domain.web:8080/my/job/location/config.xml")
update_branch.basic_auth 'username', 'password'
update_branch.body = new_config_xml
response = http.request(update_branch)
puts response.body
I understand it might have to do something with the XML that is getting added to request body but I am not sure how to fix the issue.
Original XML:
<?xml version='1.0' encoding='UTF-8'?>
<maven2-moduleset plugin="maven-plugin#1.504">
<actions/>
<description></description>
<keepDependencies>false</keepDependencies>
<properties>
<hudson.plugins.throttleconcurrents.ThrottleJobProperty plugin="throttle-concurrents#1.7.2">
<maxConcurrentPerNode>0</maxConcurrentPerNode>
<maxConcurrentTotal>0</maxConcurrentTotal>
<categories/>
<throttleEnabled>false</throttleEnabled>
<throttleOption>project</throttleOption>
<configVersion>1</configVersion>
</hudson.plugins.throttleconcurrents.ThrottleJobProperty>
</properties>
<scm class="hudson.plugins.git.GitSCM" plugin="git#1.4.0">
<configVersion>2</configVersion>
<userRemoteConfigs>
<hudson.plugins.git.UserRemoteConfig>
<name></name>
<refspec></refspec>
<url>git#github.com:<ORG_NAME>/<REPO_NAME>.git</url>
</hudson.plugins.git.UserRemoteConfig>
</userRemoteConfigs>
<branches>
<hudson.plugins.git.BranchSpec>
<name>release</name>
</hudson.plugins.git.BranchSpec>
</branches>
<disableSubmodules>false</disableSubmodules>
<recursiveSubmodules>false</recursiveSubmodules>
<doGenerateSubmoduleConfigurations>false</doGenerateSubmoduleConfigurations>
<authorOrCommitter>false</authorOrCommitter>
<clean>false</clean>
<wipeOutWorkspace>false</wipeOutWorkspace>
<pruneBranches>false</pruneBranches>
<remotePoll>false</remotePoll>
<ignoreNotifyCommit>false</ignoreNotifyCommit>
<useShallowClone>false</useShallowClone>
<buildChooser class="hudson.plugins.git.util.DefaultBuildChooser"/>
<gitTool>Default</gitTool>
<submoduleCfg class="list"/>
<relativeTargetDir></relativeTargetDir>
<reference></reference>
<excludedRegions></excludedRegions>
<excludedUsers></excludedUsers>
<gitConfigName></gitConfigName>
<gitConfigEmail></gitConfigEmail>
<skipTag>false</skipTag>
<includedRegions></includedRegions>
<scmName></scmName>
</scm>
<canRoam>true</canRoam>
<disabled>false</disabled>
<blockBuildWhenDownstreamBuilding>false</blockBuildWhenDownstreamBuilding>
<blockBuildWhenUpstreamBuilding>false</blockBuildWhenUpstreamBuilding>
<triggers class="vector">
<hudson.triggers.TimerTrigger>
<spec>0 22 * * 4</spec>
</hudson.triggers.TimerTrigger>
</triggers>
<concurrentBuild>false</concurrentBuild>
<rootModule>
<groupId>com.org.project.test</groupId>
<artifactId>functest</artifactId>
</rootModule>
<goals>clean verify -Dtestsuite=<test_suite_name> -Dbrowser=chrome -Dipaddress=http://<IP_ADDRESS>:4444/wd/hub</goals>
<mavenName>apache-maven-3.0.4</mavenName>
<aggregatorStyleBuild>true</aggregatorStyleBuild>
<incrementalBuild>false</incrementalBuild>
<perModuleEmail>true</perModuleEmail>
<ignoreUpstremChanges>false</ignoreUpstremChanges>
<archivingDisabled>false</archivingDisabled>
<resolveDependencies>false</resolveDependencies>
<processPlugins>false</processPlugins>
<mavenValidationLevel>-1</mavenValidationLevel>
<runHeadless>false</runHeadless>
<disableTriggerDownstreamProjects>false</disableTriggerDownstreamProjects>
<settings class="jenkins.mvn.DefaultSettingsProvider"/>
<globalSettings class="jenkins.mvn.DefaultGlobalSettingsProvider"/>
<reporters/>
<publishers/>
<buildWrappers/>
<prebuilders/>
<postbuilders/>
<runPostStepsIfResult>
<name>FAILURE</name>
<ordinal>2</ordinal>
<color>RED</color>
</runPostStepsIfResult>
</maven2-moduleset>
After Editing and Massaging:
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
<?xml version="1.0" encoding="UTF-8"?>
<html>
<body>
<maven2-moduleset plugin="maven-plugin#1.504">
<actions />
<description />
<keepdependencies>false</keepdependencies>
<properties>
<hudson.plugins.throttleconcurrents.throttlejobproperty plugin="throttle-concurrents#1.7.2">
<maxconcurrentpernode>0</maxconcurrentpernode>
<maxconcurrenttotal>0</maxconcurrenttotal>
<categories />
<throttleenabled>false</throttleenabled>
<throttleoption>project</throttleoption>
<configversion>1</configversion>
</hudson.plugins.throttleconcurrents.throttlejobproperty>
</properties>
<scm class="hudson.plugins.git.GitSCM" plugin="git#1.4.0">
<configversion>2</configversion>
<userremoteconfigs>
<hudson.plugins.git.userremoteconfig>
<name />
<refspec />
<url>git#github.com:<ORG_NAME>/<REPO_NAME>.git</url>
</hudson.plugins.git.userremoteconfig>
</userremoteconfigs>
<branches>
<hudson.plugins.git.branchspec>
<name>master</name>
</hudson.plugins.git.branchspec>
</branches>
<disablesubmodules>false</disablesubmodules>
<recursivesubmodules>false</recursivesubmodules>
<dogeneratesubmoduleconfigurations>false</dogeneratesubmoduleconfigurations>
<authororcommitter>false</authororcommitter>
<clean>false</clean>
<wipeoutworkspace>false</wipeoutworkspace>
<prunebranches>false</prunebranches>
<remotepoll>false</remotepoll>
<ignorenotifycommit>false</ignorenotifycommit>
<useshallowclone>false</useshallowclone>
<buildchooser class="hudson.plugins.git.util.DefaultBuildChooser" />
<gittool>Default</gittool>
<submodulecfg class="list" />
<relativetargetdir />
<reference />
<excludedregions />
<excludedusers />
<gitconfigname />
<gitconfigemail />
<skiptag>false</skiptag>
<includedregions />
<scmname />
</scm>
<canroam>true</canroam>
<disabled>false</disabled>
<blockbuildwhendownstreambuilding>false</blockbuildwhendownstreambuilding>
<blockbuildwhenupstreambuilding>false</blockbuildwhenupstreambuilding>
<triggers class="vector">
<hudson.triggers.timertrigger>
<spec>0 22 * * 4</spec>
</hudson.triggers.timertrigger>
</triggers>
<concurrentbuild>false</concurrentbuild>
<rootmodule>
<groupid>com.org.project.test</groupid>
<artifactid>functest</artifactid>
</rootmodule>
<goals>clean verify -Dtestsuite=<test_suite_name> -Dbrowser=chrome -Dipaddress=http://<IP_ADDRESS>:4444/wd/hub</goals>
<mavenname>apache-maven-3.0.4</mavenname>
<aggregatorstylebuild>true</aggregatorstylebuild>
<incrementalbuild>false</incrementalbuild>
<permoduleemail>true</permoduleemail>
<ignoreupstremchanges>false</ignoreupstremchanges>
<archivingdisabled>false</archivingdisabled>
<resolvedependencies>false</resolvedependencies>
<processplugins>false</processplugins>
<mavenvalidationlevel>-1</mavenvalidationlevel>
<runheadless>false</runheadless>
<disabletriggerdownstreamprojects>false</disabletriggerdownstreamprojects>
<settings class="jenkins.mvn.DefaultSettingsProvider" />
<globalsettings class="jenkins.mvn.DefaultGlobalSettingsProvider" />
<reporters />
<publishers />
<buildwrappers />
<prebuilders />
<postbuilders />
<runpoststepsifresult>
<name>FAILURE</name>
<ordinal>2</ordinal>
<color>RED</color>
</runpoststepsifresult>
</maven2-moduleset>
</body>
</html>
When you use Nokogiri::HTML(some_html) or Nokogiri::XML(some_xml), Nokogiri will look to see if the content is valid. If it isn't, it will do fix-ups on the content in an attempt to make it so. For instance:
require 'nokogiri'
html_fragment = "<p>foo bar</p>"
Nokogiri::HTML(html_fragment).to_html
# => "<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\" \"http://www.w3.org/TR/REC-html40/loose.dtd\">\n<html><body><p>foo bar</p></body></html>\n"
If the document is partially correct Nokogiri still adds the DOCTYPE statement:
html = "<html><body><p>foo bar</p></body></html>"
Nokogiri::HTML(html).to_html
# => "<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\" \"http://www.w3.org/TR/REC-html40/loose.dtd\">\n<html><body><p>foo bar</p></body></html>\n"
If you want Nokogiri to leave the document along, because it's supposed to be a fragment, tell it to do so:
Nokogiri::HTML::DocumentFragment.parse(html_fragment).to_html
# => "<p>foo bar</p>"
Or:
xml_fragment = "<x>foo bar</x>"
Nokogiri::XML::DocumentFragment.parse(xml_fragment).to_xml
# => "<x>foo bar</x>"
Nokogiri is pretty smart about handling XML and HTML. You can try to confuse it and it'll generally do the right thing:
xml_fragment = "<x>foo bar</x>"
Nokogiri::HTML::DocumentFragment.parse(xml_fragment).to_xml
# => "<x>foo bar</x>"
That's parsing XML as an HTML fragment and telling it to emit it as XML.
Now, that all said, it's pretty obvious Nokogiri isn't doing anything mysterious, so, here's how to fix the problem. First, parse it as XML so Nokogiri doesn't think it should add the HTML DOCTYPE declaration, then, if the XML is syntactically correct, tell Nokogiri it's OK to parse it as a complete document:
require 'nokogiri'
xml = %{<?xml version='1.0' encoding='UTF-8'?>
<maven2-moduleset plugin="maven-plugin#1.504">
<actions/>
<description></description>
<keepDependencies>false</keepDependencies>
<properties>
<hudson.plugins.throttleconcurrents.ThrottleJobProperty plugin="throttle-concurrents#1.7.2">
</hudson.plugins.throttleconcurrents.ThrottleJobProperty>
</properties>
</maven2-moduleset>
}
puts Nokogiri::XML.parse(xml).to_xml
# >> <?xml version="1.0" encoding="UTF-8"?>
# >> <maven2-moduleset plugin="maven-plugin#1.504">
# >> <actions/>
# >> <description/>
# >> <keepDependencies>false</keepDependencies>
# >> <properties>
# >> <hudson.plugins.throttleconcurrents.ThrottleJobProperty plugin="throttle-concurrents#1.7.2">
# >> </hudson.plugins.throttleconcurrents.ThrottleJobProperty>
# >> </properties>
# >> </maven2-moduleset>
Or as a fragment, which, because it's complete, will result in the same thing:
puts Nokogiri::XML::DocumentFragment.parse(xml).to_xml
# >> <?xml version='1.0' encoding='UTF-8'?>
# >> <maven2-moduleset plugin="maven-plugin#1.504">
# >> <actions/>
# >> <description/>
# >> <keepDependencies>false</keepDependencies>
# >> <properties>
# >> <hudson.plugins.throttleconcurrents.ThrottleJobProperty plugin="throttle-concurrents#1.7.2">
# >> </hudson.plugins.throttleconcurrents.ThrottleJobProperty>
# >> </properties>
# >> </maven2-moduleset>
Instead of using Net::HTTP, which is the bare-building blocks for HTTP, I'd recommend looking at something a bit higher-level, like HTTPClient. Here's code that is similar to yours:
require 'httpclient'
require 'nokogiri'
URL = 'http://jenkins.my.domain.web:8080/my/job/location/config.xml'
http_client = HTTPClient.new
xml_doc = Nokogiri::HTML(
http_client.get_content(URL)
)
# Get current branch name using CSS for simplicity:
branch_name = xml_doc.at('hudson.plugins.git.branchspec name')
# Get new branch name
print 'Enter new branch name '
new_branch_name = gets.chomp.downcase
# Set branch name and create xml
branch_name.content = new_branch_name
puts 'Logging into Jenkins'
http_client.set_auth(domain, 'user', 'password')
response = http_client.post(URL, :body => xml_doc.to_xml)
I can't test it but it looks close.
I, now, find myself in another dilemma. I am seeing that the methods which allow moving to elements and editing values like at_xpath, at_css only work with Nokogiri::HTML or Nokogiri::HTML::DocumentFragment. They don't work when I use Nokogiri::XML. Using Nokogiri::HTML changes the case of the HTML tags. false becomes false. Jenkins does accept the xml with changed case of tags. Methods to_html, to_xml basically returns a string so I cannot use the xpath or css methods to navigate the xml tree. Is there a way around ?
The at methods work with both XML and HTML, and allows CSS and XPath selectors; Everything inside Nokogiri is really XML-based.
Nokogiri folds HTML tags to lower-case because HTML is case-insensitive, so at expects a lower-case value when dealing with HTML. XML is case-sensitive, so Nokogiri leaves the tag case alone, and at requires you to use the correct case when using CSS.
This is documented in the Nokogiri docs:
Note that the CSS query string is case-sensitive with regards to your document type. That is, if you’re looking for “H1” in an HTML document, you’ll never find anything, since HTML tags will match only lowercase CSS queries. However, “H1” might be found in an XML document, where tags names are case-sensitive (e.g., “H1” is distinct from “h1”).
When you are parsing the XML you are receiving from the service, you are declaring it as HTML:
xml_doc = Nokogiri::HTML(getQueue.body)
And this appears to cause Nokogiri to add HTML nodes.
Try parsing it as XML instead:
xml_doc = Nokogiri::XML(getQueue.body)
I am having trouble parsing some returned XML using this command: XML::Parser.string(xml_string).parse
Here is the XML I am trying to parse:
<div style=\"border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;\">
<h4>A PHP Error was encountered</h4>
<p>Severity: Notice</p>
<p>Message: Undefined index: HTTP_USER_AGENT</p>
<p>Filename: test</p>
<p>Line Number: test</p>
</div><?xml version=\"1.0\" encoding=\"UTF-8\"?>
<response>
<review>
<reviewer><![CDATA[test]]></reviewer>
<ip><![CDATA[test]]></ip>
rating><![CDATA[test]]></rating>
<content><![CDATA[test.]]></content>
<date><![CDATA[test]]></date>
</review>
</response>
I get this error:
Fatal error: XML declaration allowed only at the start of the document at :10.Fatal error: Extra content at the end of the document at :11.
LibXML::XML::Error: Fatal error: Extra content at the end of the document
What is going on here?
Your string is not a valid XML document; it appears to be two documents concatenated together. (The first one is a "<div>" the second one is a "<response>".)
Try separating them into two strings and parsing each of them separately.
When you are fetching xml_string, I believe you need to set the user agent. You are not providing a user agent so the server serving the XML is choking.
Use this code to add a user agent to your request:
resp = http.post(path, query, {'User-Agent' => "Ruby"})