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Added backend support for multiple files in XSLT. #272

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bema merged 15 commits from widlam/add_multiplefiles_xslt into master 2023-12-04 06:59:06 +01:00
Conversation 7 Commits 15 Files Changed 9 +32 -24
6 changed files with 32 additions and 24 deletions
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Showing only changes of commit a5f9b31f4e - Show all commits

2
Backend/tools-services/src/main/java/com/r11/tools/SparkApplication.java
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@@ -42,7 +42,7 @@ public class SparkApplication {
registry.registerController(new ProcessorInfoController(logger, saxon, xalan)); registry.registerController(new ProcessorInfoController(logger, saxon, xalan));
registry.registerController(new XmlController(gson, logger, saxon, xalan)); registry.registerController(new XmlController(gson, logger, saxon, xalan));
registry.registerController(new MultipleXMLController(gson,logger, (Saxon) saxon)); registry.registerController(new MultipleXMLController(gson,logger, saxon));
registry.registerController(new JsonController(gson, jsongson, logger)); registry.registerController(new JsonController(gson, jsongson, logger));
registry.register(); registry.register();

13
Backend/tools-services/src/main/java/com/r11/tools/controller/MultipleXMLController.java
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@@ -19,12 +19,12 @@ public class MultipleXMLController implements RestController {
private final Gson gson; private final Gson gson;
private final Logger logger; private final Logger logger;
private final Saxon saxon; private final XmlEngine engine;
public MultipleXMLController(Gson gson, Logger logger, Saxon saxon) { public MultipleXMLController(Gson gson, Logger logger, XmlEngine engine) {
this.gson = gson; this.gson = gson;
this.logger = logger; this.logger = logger;
this.saxon = saxon; this.engine = engine;
} }
@ScopedControllerManifest(method = HandlerType.POST, path = "/multiple/xslt") @ScopedControllerManifest(method = HandlerType.POST, path = "/multiple/xslt")
@@ -40,11 +40,10 @@ public class MultipleXMLController implements RestController {
requestErrorResponse(response, e); requestErrorResponse(response, e);
return; return;
} }
processRequest(new MultipleXmlJob(response, requestBody, saxon, xmlJobType)); processRequest(new MultipleXmlJob(response, requestBody, engine, xmlJobType));
} }
private void processRequest(MultipleXmlJob xmlJob) { private void processRequest(MultipleXmlJob xmlJob) {
logger.info(xmlJob);
XMLResponseBody responseBody = null; XMLResponseBody responseBody = null;
long timeStart = System.currentTimeMillis(); long timeStart = System.currentTimeMillis();
long duration; long duration;
@@ -70,8 +69,8 @@ public class MultipleXMLController implements RestController {
} }
private XMLResponseBody processData(MultipleXmlJob xmlJob) throws IOException, SaxonApiException, InterruptedException { private XMLResponseBody processData(MultipleXmlJob xmlJob) throws Exception {
Saxon engine = xmlJob.getEngine(); XmlEngine engine = xmlJob.getEngine();
XMLMultipleFilesBody requestBody = xmlJob.getRequestBody(); XMLMultipleFilesBody requestBody = xmlJob.getRequestBody();
String result = engine.processXSLT(requestBody.getData(), requestBody.getProcessorData()); String result = engine.processXSLT(requestBody.getData(), requestBody.getProcessorData());
return new XMLResponseBody(result, "OK", requestBody.getVersion()); return new XMLResponseBody(result, "OK", requestBody.getVersion());

6
Backend/tools-services/src/main/java/com/r11/tools/controller/internal/MultipleXmlJob.java
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@@ -10,10 +10,10 @@ public class MultipleXmlJob {
private final Response response; private final Response response;
private final XMLMultipleFilesBody requestBody; private final XMLMultipleFilesBody requestBody;
private final Saxon engine; private final XmlEngine engine;
private final XmlJobType xmlJobType; private final XmlJobType xmlJobType;
public MultipleXmlJob(Response response, XMLMultipleFilesBody requestBody, Saxon engine, XmlJobType xmlJobType) { public MultipleXmlJob(Response response, XMLMultipleFilesBody requestBody, XmlEngine engine, XmlJobType xmlJobType) {
this.response = response; this.response = response;
this.requestBody = requestBody; this.requestBody = requestBody;
this.engine = engine; this.engine = engine;
@@ -28,7 +28,7 @@ public class MultipleXmlJob {
return requestBody; return requestBody;
} }
public Saxon getEngine() { public XmlEngine getEngine() {
return engine; return engine;
} }

19
Backend/tools-services/src/main/java/com/r11/tools/xml/Saxon.java
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@@ -2,16 +2,14 @@ package com.r11.tools.xml;
import com.r11.tools.model.XMLMultipleFilesData; import com.r11.tools.model.XMLMultipleFilesData;
import com.r11.tools.model.XPathQueryResult; import com.r11.tools.model.XPathQueryResult;
import net.sf.saxon.Configuration;
import net.sf.saxon.lib.CatalogResourceResolver;
import net.sf.saxon.s9api.*; import net.sf.saxon.s9api.*;
import javax.xml.transform.stream.StreamSource; import javax.xml.transform.stream.StreamSource;
import java.io.*; import java.io.*;
import java.nio.file.*; import java.nio.file.Files;
import java.util.ArrayList; import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Comparator; import java.util.Comparator;
import java.util.List;
import java.util.UUID; import java.util.UUID;
/** /**
@@ -27,7 +25,7 @@ public class Saxon implements XmlEngine{
* @return transformed xml * @return transformed xml
* @throws SaxonApiException thrown on stylesheet or transformation error * @throws SaxonApiException thrown on stylesheet or transformation error
*/ */
public String processXSLT(XMLMultipleFilesData[] data, String transform) throws SaxonApiException, IOException, InterruptedException { public String processXSLT(XMLMultipleFilesData[] data, String transform) throws SaxonApiException, IOException{
Processor processor = new Processor(false); Processor processor = new Processor(false);
XsltCompiler compiler = processor.newXsltCompiler(); XsltCompiler compiler = processor.newXsltCompiler();
@@ -41,16 +39,19 @@ public class Saxon implements XmlEngine{
Path filePath = Files.createFile( Paths.get(filesPath + fileData.getFilename() ) ); Path filePath = Files.createFile( Paths.get(filesPath + fileData.getFilename() ) );
try (FileWriter writer = new FileWriter(filePath.toFile())) { try (FileWriter writer = new FileWriter(filePath.toFile())) {
writer.write(fileData.getData()); writer.write(fileData.getData());
transform = transform.replace('\''+fileData.getFilename()+'\'',filesPath+fileData.getFilename());
} }
} }
XsltExecutable stylesheet = compiler.compile(new StreamSource( new StringReader(transform) )); Path transformPath = Files.createFile( Paths.get(filesPath + "transform.xsl") );
FileWriter writer = new FileWriter(transformPath.toFile());
writer.write(transform);
writer.close();
XsltExecutable stylesheet = compiler.compile( new StreamSource( transformPath.toFile() ));
StringWriter sw = new StringWriter(); StringWriter sw = new StringWriter();
Serializer out = processor.newSerializer(sw); Serializer out = processor.newSerializer(sw);
out.setOutputProperty(Serializer.Property.METHOD, "xml"); out.setOutputProperty(Serializer.Property.METHOD, "xml");
out.setOutputProperty(Serializer.Property.INDENT, "yes"); out.setOutputProperty(Serializer.Property.INDENT, "yes");
Xslt30Transformer transformer = stylesheet.load30(); Xslt30Transformer transformer = stylesheet.load30();
transformer.transform( new StreamSource( new File(filesPath+data[0].getFilename()) ) , out ); transformer.transform( new StreamSource( new File(filesPath+data[0].getFilename()) ) , out );
return sw.toString(); return sw.toString();

11
Backend/tools-services/src/main/java/com/r11/tools/xml/Xalan.java
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@@ -1,5 +1,6 @@
package com.r11.tools.xml; package com.r11.tools.xml;
import com.r11.tools.model.XMLMultipleFilesData;
import com.r11.tools.model.XPathQueryResult; import com.r11.tools.model.XPathQueryResult;
import org.apache.xpath.XPathAPI; import org.apache.xpath.XPathAPI;
import org.w3c.dom.Document; import org.w3c.dom.Document;
@@ -17,7 +18,10 @@ import javax.xml.transform.stream.StreamSource;
import javax.xml.validation.Schema; import javax.xml.validation.Schema;
import javax.xml.validation.SchemaFactory; import javax.xml.validation.SchemaFactory;
import javax.xml.validation.Validator; import javax.xml.validation.Validator;
import java.io.*; import java.io.ByteArrayOutputStream;
import java.io.OutputStreamWriter;
import java.io.StringReader;
import java.io.StringWriter;
/** /**
* Handler for Xalan engine * Handler for Xalan engine
@@ -57,6 +61,11 @@ public class Xalan implements XmlEngine{
return nodeType == Node.CDATA_SECTION_NODE || nodeType == Node.TEXT_NODE; return nodeType == Node.CDATA_SECTION_NODE || nodeType == Node.TEXT_NODE;
} }
@Override
public String processXSLT(XMLMultipleFilesData[] data, String transform) throws Exception {
throw new UnsupportedOperationException("Xalan does not support multiple files XSLT processing");
}
/** /**
* Process xpath and return either node or wrapped atomic value * Process xpath and return either node or wrapped atomic value
* @param data xml * @param data xml

5
Backend/tools-services/src/main/java/com/r11/tools/xml/XmlEngine.java
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@@ -2,11 +2,10 @@ package com.r11.tools.xml;
import com.r11.tools.model.XMLMultipleFilesData; import com.r11.tools.model.XMLMultipleFilesData;
import com.r11.tools.model.XPathQueryResult; import com.r11.tools.model.XPathQueryResult;
import net.sf.saxon.s9api.SaxonApiException;
import java.io.IOException;
public interface XmlEngine { public interface XmlEngine {
String processXSLT(XMLMultipleFilesData[] data, String transform) throws Exception;
XPathQueryResult processXPath(String data, String query, String version) throws Exception; XPathQueryResult processXPath(String data, String query, String version) throws Exception;
String processXSLT(String data, String transform) throws Exception; String processXSLT(String data, String transform) throws Exception;
String validate(String data, String xsd) throws Exception; String validate(String data, String xsd) throws Exception;