On Sun, Nov 15, 2009 at 11:24 PM, <[email protected]> wrote:
> Hello,
>
> I am a newby to both scala and lift. Now that that's out of the way I'm
> wondering how to properly use PCDataXmlParser to read and parse html.
PXDataXmlParser requires well formed XML. It is an XML parser.
There are plenty of Java libraries that parse HTML. Please use one of those
for parsing stuff that's not known to be well formed XML.
> I pull data from a restful service by doing the following:
>
> [code]
> import dispatch._
> import Http._
>
> import net.liftweb.util._;
> import scala.xml._;
>
> def upcDatabase(): Box[NodeSeq] = {
> val http = new Http
> var stream: String = "";
> http("http://www.upcdatabase.com/item/0606949324124"; >- (arg => stream =
> arg))
> stream;
> PCDataXmlParser(stream);
> }
>
> val feedXML: Box[NodeSeq] = upcDatabase;
> [/code]
>
> when doing this I get the following exception:
>
> [exception]
> INF: [console logger] dispatch: GET
> http://www.upcdatabase.com/item/0606949324124
> log4j:WARN No appenders could be found for logger
> (org.apache.http.impl.conn.SingleClientConnManager).
> log4j:WARN Please initialize the log4j system properly.
> :96:5: '<' not allowed in attrib value </a> ^
> :97:1: '<' not allowed in attrib value</p>^
> :98:1: '<' not allowed in attrib value</td>^
> :99:1: '<' not allowed in attrib value<td valign="top" width="70%">^
> :99:27: whitespace expected<td valign="top" width="70%"> ^
> :99:27: '>' expected instead of '%'<td valign="top" width="70%"> ^
> Exception in thread "main" java.lang.ExceptionInInitializerError
> at
> ca.ctrlspace.loveItHateItWeb.xml.UpcDatabaseFeed.main(UpcDatabaseFeed.scala)
> Caused by: java.lang.RuntimeException: FATAL
> at scala.Predef$.error(Predef.scala:76)
> at scala.xml.parsing.MarkupParser$class.xToken(MarkupParser.scala:267)
> at net.liftweb.util.PCDataXmlParser.xToken(PCDataMarkupParser.scala:91)
> at scala.xml.parsing.MarkupParser$class.element1(MarkupParser.scala:680)
> at net.liftweb.util.PCDataXmlParser.element1(PCDataMarkupParser.scala:91)
> at scala.xml.parsing.MarkupParser$class.content1(MarkupParser.scala:481)
> at net.liftweb.util.PCDataXmlParser.content1(PCDataMarkupParser.scala:91)
> at scala.xml.parsing.MarkupParser$class.content(MarkupParser.scala:505)
> at net.liftweb.util.PCDataXmlParser.content(PCDataMarkupParser.scala:91)
> at scala.xml.parsing.MarkupParser$class.element1(MarkupParser.scala:682)
> at net.liftweb.util.PCDataXmlParser.element1(PCDataMarkupParser.scala:91)
> at scala.xml.parsing.MarkupParser$class.content1(MarkupParser.scala:481)
> at net.liftweb.util.PCDataXmlParser.content1(PCDataMarkupParser.scala:91)
> at scala.xml.parsing.MarkupParser$class.content(MarkupParser.scala:505)
> at net.liftweb.util.PCDataXmlParser.content(PCDataMarkupParser.scala:91)
> at scala.xml.parsing.MarkupParser$class.element1(MarkupParser.scala:682)
> at net.liftweb.util.PCDataXmlParser.element1(PCDataMarkupParser.scala:91)
> at scala.xml.parsing.MarkupParser$class.content1(MarkupParser.scala:481)
> at net.liftweb.util.PCDataXmlParser.content1(PCDataMarkupParser.scala:91)
> at scala.xml.parsing.MarkupParser$class.content(MarkupParser.scala:505)
> at net.liftweb.util.PCDataXmlParser.content(PCDataMarkupParser.scala:91)
> at scala.xml.parsing.MarkupParser$class.element1(MarkupParser.scala:682)
> at net.liftweb.util.PCDataXmlParser.element1(PCDataMarkupParser.scala:91)
> at scala.xml.parsing.MarkupParser$class.content1(MarkupParser.scala:481)
> at net.liftweb.util.PCDataXmlParser.content1(PCDataMarkupParser.scala:91)
> at scala.xml.parsing.MarkupParser$class.content(MarkupParser.scala:505)
> at net.liftweb.util.PCDataXmlParser.content(PCDataMarkupParser.scala:91)
> at scala.xml.parsing.MarkupParser$class.element1(MarkupParser.scala:682)
> at net.liftweb.util.PCDataXmlParser.element1(PCDataMarkupParser.scala:91)
> at scala.xml.parsing.MarkupParser$class.content1(MarkupParser.scala:481)
> at net.liftweb.util.PCDataXmlParser.content1(PCDataMarkupParser.scala:91)
> at scala.xml.parsing.MarkupParser$class.content(MarkupParser.scala:505)
> at net.liftweb.util.PCDataXmlParser.content(PCDataMarkupParser.scala:91)
> at scala.xml.parsing.MarkupParser$class.element1(MarkupParser.scala:682)
> at net.liftweb.util.PCDataXmlParser.element1(PCDataMarkupParser.scala:91)
> at scala.xml.parsing.MarkupParser$class.content1(MarkupParser.scala:481)
> at net.liftweb.util.PCDataXmlParser.content1(PCDataMarkupParser.scala:91)
> at scala.xml.parsing.MarkupParser$class.content(MarkupParser.scala:505)
> at net.liftweb.util.PCDataXmlParser.content(PCDataMarkupParser.scala:91)
> at scala.xml.parsing.MarkupParser$class.element1(MarkupParser.scala:682)
> at net.liftweb.util.PCDataXmlParser.element1(PCDataMarkupParser.scala:91)
> at scala.xml.parsing.MarkupParser$class.content1(MarkupParser.scala:481)
> at net.liftweb.util.PCDataXmlParser.content1(PCDataMarkupParser.scala:91)
> at scala.xml.parsing.MarkupParser$class.content(MarkupParser.scala:505)
> at net.liftweb.util.PCDataXmlParser.content(PCDataMarkupParser.scala:91)
> at scala.xml.parsing.MarkupParser$class.element1(MarkupParser.scala:682)
> at net.liftweb.util.PCDataXmlParser.element1(PCDataMarkupParser.scala:91)
> at scala.xml.parsing.MarkupParser$class.content1(MarkupParser.scala:481)
> at net.liftweb.util.PCDataXmlParser.content1(PCDataMarkupParser.scala:91)
> at scala.xml.parsing.MarkupParser$class.content(MarkupParser.scala:505)
> at net.liftweb.util.PCDataXmlParser.content(PCDataMarkupParser.scala:91)
> at scala.xml.parsing.MarkupParser$class.document(MarkupParser.scala:207)
> at net.liftweb.util.PCDataXmlParser.document(PCDataMarkupParser.scala:91)
> at net.liftweb.util.PCDataXmlParser$.apply(PCDataMarkupParser.scala:112)
> at
> ca.ctrlspace.loveItHateItWeb.xml.UpcDatabaseFeed$.upcDatabase(UpcDatabaseFeed.scala:16)
> at
> ca.ctrlspace.loveItHateItWeb.xml.UpcDatabaseFeed$.<init>(UpcDatabaseFeed.scala:19)
> at
> ca.ctrlspace.loveItHateItWeb.xml.UpcDatabaseFeed$.<clinit>(UpcDatabaseFeed.scala)
> ... 1 more
> [/exception]
>
> What is the proper way to parse non strict html? I thought PCDataXMLParser
> allowed for non strict xml as opposed to XML.load().
>
> Thanks,
>
> Chri
>
> >
>
--
Lift, the simply functional web framework http://liftweb.net
Beginning Scala http://www.apress.com/book/view/1430219890
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