Pau,
When you are using the InputSoure, you have to set the SystemId on
the inputSource which will be used hen resolving relative URI's.
Since you are using a relative schemaLocation, hotelres.xsd. If you
do not set the systemId, xerces will use the java workdir to resolve
locations. I guess that in your working example, the xsd was in the
same place as the xml instance.
Hope this helps,
Dick Deneer
Op 22-feb-2007, om 10:55 heeft pau carre het volgende geschreven:
Hi, I am developing a WebServices server and I want to use Xerces to
validate XML instances that clients send me with SOAP messages.
First, I tried a simple example to validate an XML instance contained
in a file and then validate it with an XSD Schema (i.e. using URIs),
and It worked perfectly.
Code:
parser.setFeature("http://xml.org/sax/features/validation";, true);
parser.setFeature("http://apache.org/xml/features/validation/
schema", true);
parser.setFeature( "http://apache.org/xml/features/validation/
schema-full-checking",true);
parser.setProperty( "http://apache.org/xml/properties/schema/
external-schemaLocation", SchemaURI);
parser.setFeature("http://apache.org/xml/features/nonvalidating/
load-external-dtd",true);
Validator handler = new Validator();
parser.setErrorHandler(handler);
parser.parse(XMLDocumentUri);
The problem is that then I tried to validate an string containing an
XML document, which is the method I want to use, Xerces throws this
SAXParseException: cvc-elt.1: Cannot find the declaration of element
'tns:contract'.
Code:
// the same configuration stuff above written changing the parse
call for:
parser.parse(new InputSource(new StringReader(StringXmlDocument)));
Then I tried to write an empty XML file with the StringXmlDocument
content and validate it with its URI, and it worked!
But, so as not to have problems with deployment I would like to parse
directly the string XML instance...
I have used unsuccessfully two different versions of Xerces: 2.6.2
and 2.9.0
The String XML declaration looks like:
String StringXmlDocument =
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
"<tns:contract currency=\"\" id=\"\" messageVersion=\"1.0\"
providerID=\"\" title=\"\" xmlns:tns=\"http://globalip:8080/hotelres\";
xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\";
xsi:schemaLocation=\"http://globalip:8080/hotelres hotelres.xsd \">\n"
+ "<tns:hotel id=\"\" name=\"\"/>\n"
+ "<tns:roomtypes>\n"
+ "<tns:roomtype code=\"\" maxpaxes=\"0\"
minChildren=\"0\" minadults=\"0\" minpaxes=\"0\"/>\n"
+ "</tns:roomtypes>\n"
+ "<tns:paxtypes>\n"
....
The XML instance used is the same as the string one.
The XML Schema (XSD file) looks like:
<schema xmlns="http://www.w3.org/2001/XMLSchema";
targetNamespace="http://globalip:8080/hotelres";
xmlns:tns="http://globalip:8080/hotelres";
elementFormDefault="qualified">
<element name="contract">
<complexType>
<sequence>
<element name="hotel" type="tns:hotelType">
<annotation>
<documentation>
Definición del hotel
para el cual es el
contrato.
</documentation>
</annotation>
</element>
....
Any idea?
Thanks in advance,
Pau
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