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xslt errors

This commit is contained in:
Michele Artini 2024-02-08 14:01:26 +01:00
parent ab234a5d32
commit 98d8499eec
2 changed files with 38 additions and 29 deletions
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12
dnet-app/libs/dnet-common-mapping/src/main/java/eu/dnetlib/common/mapping/xslt/XsltTransformFactory.java
View File

@ -22,16 +22,12 @@ public class XsltTransformFactory {
}
public RecordTransformer<String, String> getTransformer(final String ruleId, final Map<String, Object> initialParams) throws TransformationException {
try {
final String xsltText =
this.clientFactory.getClient(SimpleResourceClient.class)
.findResourceContent(SimpleResourceClient.ResourceType.transformation_rule_xslt, ruleId, String.class);
final String xsltText =
this.clientFactory.getClient(SimpleResourceClient.class)
.findResourceContent(SimpleResourceClient.ResourceType.transformation_rule_xslt, ruleId, String.class);
return XsltUtils.newTransformer(xsltText, initialParams, this.xsltFunctions);
return XsltUtils.newTransformer(xsltText, initialParams, this.xsltFunctions);
} catch (final Throwable e) {
throw new TransformationException("error preparing xslt transfomer", e);
}
}
}

55
dnet-app/libs/dnet-common-mapping/src/main/java/eu/dnetlib/common/mapping/xslt/XsltUtils.java
View File

@ -14,6 +14,7 @@ import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import eu.dnetlib.common.mapping.RecordTransformer;
import eu.dnetlib.errors.TransformationException;
import net.sf.saxon.s9api.ExtensionFunction;
import net.sf.saxon.s9api.Processor;
import net.sf.saxon.s9api.QName;
@ -21,6 +22,7 @@ import net.sf.saxon.s9api.SaxonApiException;
import net.sf.saxon.s9api.Serializer;
import net.sf.saxon.s9api.XdmAtomicValue;
import net.sf.saxon.s9api.XdmNode;
import net.sf.saxon.s9api.XmlProcessingError;
import net.sf.saxon.s9api.XsltCompiler;
import net.sf.saxon.s9api.XsltExecutable;
import net.sf.saxon.s9api.XsltTransformer;
@ -41,43 +43,54 @@ public class XsltUtils {
public static RecordTransformer<String, String> newTransformer(final String xsltText,
final Map<String, Object> params,
final List<DnetXsltFunction> xsltFunctions) throws Exception {
final List<DnetXsltFunction> xsltFunctions) throws TransformationException {
final Processor processor = new Processor(false);
for (final DnetXsltFunction f : xsltFunctions) {
final ExtensionFunction extFunction = f.asExtensionFunction();
processor.registerExtensionFunction(extFunction);
log.info("New XSLT function registered: " + extFunction.getName());
}
final List<XmlProcessingError> errorList = new ArrayList<>();
final XsltCompiler comp = processor.newXsltCompiler();
comp.setErrorList(errorList);
params.forEach((k, v) -> comp.setParameter(new QName(k), XdmAtomicValue.makeAtomicValue(v)));
final XsltExecutable xslt = comp
.compile(new StreamSource(IOUtils.toInputStream(xsltText, StandardCharsets.UTF_8)));
try {
final XsltExecutable xslt = comp
.compile(new StreamSource(IOUtils.toInputStream(xsltText, StandardCharsets.UTF_8)));
return xml -> {
try {
final XdmNode source = processor
.newDocumentBuilder()
.build(new StreamSource(IOUtils.toInputStream(xml, StandardCharsets.UTF_8)));
return xml -> {
try {
final XdmNode source = processor
.newDocumentBuilder()
.build(new StreamSource(IOUtils.toInputStream(xml, StandardCharsets.UTF_8)));
final XsltTransformer trans = xslt.load();
trans.setInitialContextNode(source);
final XsltTransformer trans = xslt.load();
trans.setInitialContextNode(source);
final StringWriter output = new StringWriter();
final Serializer out = processor.newSerializer(output);
out.setOutputProperty(Serializer.Property.METHOD, "xml");
out.setOutputProperty(Serializer.Property.INDENT, "yes");
final StringWriter output = new StringWriter();
final Serializer out = processor.newSerializer(output);
out.setOutputProperty(Serializer.Property.METHOD, "xml");
out.setOutputProperty(Serializer.Property.INDENT, "yes");
trans.setDestination(out);
trans.transform();
trans.setDestination(out);
trans.transform();
return output.toString();
} catch (final SaxonApiException e) {
throw new RuntimeException(e);
}
};
return output.toString();
} catch (final SaxonApiException e) {
throw new RuntimeException(e);
}
};
} catch (final Throwable e) {
final StringWriter sw = new StringWriter();
sw.append("XSLT failure");
errorList.forEach(err -> sw.append("\n\t[XSLT ERR] " + err.getMessage()));
throw new TransformationException(sw.toString(), e);
}
}
}