Made it working from one docker-compose file

Homepage/Dockerfile

@@ -6,3 +6,5 @@ COPY ./logo.png /usr/share/nginx/html
 COPY ./styles.css /usr/share/nginx/html
 COPY ./common.css /usr/share/nginx/html
 COPY ./favicon.ico /usr/share/nginx/html
+
+EXPOSE 80

Homepage/Frontend/scripts.js

@@ -105,8 +105,8 @@ function performRequest(text, checkXML, checkTransform){
 //Form REST request, send, receive and display in resultArea
 async function restRequest(text) {
     const escapeChar = "specialEscapeChar";
-    // const addr = "http://localhost:8081/" + text;
+    const addr = "http://localhost:8081/" + text;
-    const addr = "http://gordon.zipper.release11.com:8081/" + text;
+    // const addr = "http://gordon.zipper.release11.com:8081/" + text;
     
     var xmlData = document.getElementById("xmlArea").value.trim();
     var transformData = document.getElementById("transformArea").value.trim();

REST_XSLT/.gitignore

@@ -0,0 +1,9 @@
+target/
+nbactions.xml
+.idea/
+.settings/
+.classpath
+.settings
+.project
+*.iml
+.vscode

REST_XSLT/pom.xml

@@ -12,6 +12,8 @@
         <maven.compiler.source>11</maven.compiler.source>
         <maven.compiler.target>11</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <jackson.version>2.14.1</jackson.version>
+        <slf4j.version>2.0.6</slf4j.version>
     </properties>
 
     <build>
@@ -24,7 +26,7 @@
 <!--                        <manifest>-->
 <!--                            <addClasspath>true</addClasspath>-->
 <!--                            <classpathPrefix>lib/</classpathPrefix>-->
-<!--                            <mainClass>Main</mainClass>-->
+<!--                            <mainClass>r11.mltx.restxslt.Main</mainClass>-->
 <!--                        </manifest>-->
 <!--                    </archive>-->
 <!--                </configuration>-->
@@ -48,7 +50,7 @@
                         <manifest>
                             <addClasspath>true</addClasspath>
                             <classpathPrefix>lib/</classpathPrefix>
-                            <mainClass>Main</mainClass>
+                            <mainClass>r11.mltx.restxslt.Main</mainClass>
                         </manifest>
                     </archive>
                     <descriptorRefs>
@@ -72,32 +74,30 @@
     </build>
 
     <dependencies>
-        <dependency>
+        <!--   Spark    -->
-            <groupId>com.fasterxml.jackson.core</groupId>
-            <artifactId>jackson-core</artifactId>
-            <version>2.11.0</version>
-        </dependency>
-        <dependency>
-            <groupId>com.fasterxml.jackson.core</groupId>
-            <artifactId>jackson-databind</artifactId>
-            <version>2.11.0</version>
-        </dependency>
         <dependency>
             <groupId>com.sparkjava</groupId>
             <artifactId>spark-core</artifactId>
             <version>2.9.3</version>
         </dependency>
+
+        <!--    JSON    -->
         <dependency>
-            <groupId>org.slf4j</groupId>
+            <groupId>com.fasterxml.jackson.core</groupId>
-            <artifactId>slf4j-simple</artifactId>
+            <artifactId>jackson-core</artifactId>
-            <version>1.6.2</version>
+            <version>${jackson.version}</version>
-            <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+            <version>${jackson.version}</version>
+        </dependency>
+
         <!--    XSLT    -->
         <dependency>
             <groupId>net.sf.saxon</groupId>
             <artifactId>Saxon-HE</artifactId>
-            <version>10.3</version>
+            <version>11.4</version>
         </dependency>
         <dependency>
             <groupId>xalan</groupId>
@@ -105,30 +105,38 @@
             <version>2.7.2</version>
         </dependency>
 
+        <!-- Logging -->
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-simple</artifactId>
+            <version>${slf4j.version}</version>
+            <scope>test</scope>
+        </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>jcl-over-slf4j</artifactId>
-            <version>1.7.0</version>
+            <version>${slf4j.version}</version>
             <scope>runtime</scope>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
-            <version>1.7.0</version>
+            <version>${slf4j.version}</version>
             <scope>runtime</scope>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-log4j12</artifactId>
-            <version>1.7.0</version>
+            <version>${slf4j.version}</version>
             <scope>runtime</scope>
         </dependency>
+
         <dependency>
-            <groupId>log4j</groupId>
+            <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j</artifactId>
+            <artifactId>log4j-core</artifactId>
-            <version>1.2.14</version>
+            <version>2.19.0</version>
         </dependency>
-        <!--    JSON    -->
+
     </dependencies>
 
 </project>

REST_XSLT/src/main/java/r11/mltx/restxslt/Main.java

@@ -0,0 +1,15 @@
+package r11.mltx.restxslt;
+
+/**
+ * Application initializer
+ * @author Wojciech Czop
+ */
+public class Main {
+    /**
+     * Initializes the application
+     * @param args
+     */
+    public static void main(String[] args) {
+        SparkInitializer.run();
+    }
+}

REST_XSLT/src/main/java/r11/mltx/restxslt/SparkInitializer.java

@@ -1,17 +1,27 @@
+package r11.mltx.restxslt;
+
 import com.fasterxml.jackson.databind.JsonMappingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import processors.Saxon;
+import r11.mltx.restxslt.processors.Saxon;
-import processors.Xalan;
+import r11.mltx.restxslt.processors.Xalan;
 import spark.*;
 
 import java.util.HashMap;
 import java.util.Map;
 
-public class Main {
+/**
-    public static void main(String[] args) {
+ * Class contains spark configuration and method initializing spark framework
+ * @author Wojciech Czop
+ */
+public class SparkInitializer {
+    /**
+     * Initializes spark framework
+     */
+    public static void run(){
+//        TODO: Port value as property
         Spark.port(8081);
 
-        Spark.after((Filter) (request, response) -> {
+        Spark.after((request, response) -> {
             response.header("Access-Control-Allow-Origin", "*");
             response.header("access-control-allow-headers", "*");
             response.header("access-control-expose-headers", "*");
@@ -25,9 +35,11 @@ public class Main {
         System.out.println("Server is online");
     }
 
-    static Route procinfoHandler = (Request req, Response resp) -> {
+    /**
+     * Handler that returns processor version
+     */
+    private static Route procinfoHandler = (Request req, Response resp) -> {
         try {
-//            req.session().id
             resp.header("processor", "Saxon " + Saxon.getVersion() + " over s9api");
             return Saxon.getVersion();
         } catch (Exception ex) {
@@ -35,7 +47,11 @@ public class Main {
         }
     };
 
-    static Route xsdHandler = (Request req, Response resp) -> {
+    /**
+     * Handler that returns info if document is valid
+     * Also provides info about request time and processor
+     */
+    private static Route xsdHandler = (Request req, Response resp) -> {
         String body = req.body();
         System.out.println("Request: " + body);
         ObjectMapper mapper = new ObjectMapper();
@@ -54,7 +70,7 @@ public class Main {
 
         resp.header("processor", Xalan.getVersion());
         long timeStart = System.currentTimeMillis();
-        String tmp = "";
+        String tmp;
         try {
             tmp = Xalan.validate(data, xsd).trim();
             responseMap.put("result", tmp);
@@ -72,7 +88,10 @@ public class Main {
         return resp;
     };
 
-    static Route xpathHandler = (Request req, Response resp) -> {
+    /**
+     * Handler that returns output of xpath query and processor data
+     */
+    private static Route xpathHandler = (Request req, Response resp) -> {
 
         String body = req.body();
         System.out.println("Request: " + body);
@@ -91,8 +110,8 @@ public class Main {
         String version = requestMap.get("version");
 
         String tmp = "";
-        long timeStart = 0;
+        long timeStart;
-        long duration = 0;
+        long duration;
 
         if (processor == null) {
             return "saxon, xalan";
@@ -134,7 +153,7 @@ public class Main {
                     duration = System.currentTimeMillis() - timeStart;
                     responseMap.put("processor", Xalan.getVersion());
                     responseMap.put("result", tmp);
-                    responseMap.put("time", "" + duration);
+                    responseMap.put("time", Long.toString(duration));
                     resp.body(mapper.writeValueAsString(responseMap));
                     return resp;
 
@@ -148,7 +167,10 @@ public class Main {
         }
     };
 
-    static Route xsltHandler = (Request req, Response resp) -> {
+    /**
+     * Handler that returns outcome of xslt transformation and processor data
+     */
+    private static Route xsltHandler = (Request req, Response resp) -> {
         String body = req.body();
         ObjectMapper mapper = new ObjectMapper();
         Map<String, String> jsonMap = null;
@@ -168,12 +190,11 @@ public class Main {
             return "saxon, xalan";
         }
         try {
-            String tmp = "";
+            String tmp;
-            long timeStart = 0;
+            long timeStart;
-            long duration = 0;
+            long duration;
             switch (processor) {
                 case "saxon":
-//                    resp.header("processor", "Saxon " + Saxon.getVersion());
                     timeStart = System.currentTimeMillis();
                     try {
                         tmp = Saxon.processXSLT(data, query);
@@ -188,7 +209,7 @@ public class Main {
 
                     duration = System.currentTimeMillis() - timeStart;
                     responseMap.put("processor", "Saxon " + Saxon.getVersion() + " " + version);
-                    responseMap.put("time", "" + duration);
+                    responseMap.put("time", Long.toString(duration));
                     resp.body(mapper.writeValueAsString(responseMap));
                     return resp;
 
@@ -205,7 +226,7 @@ public class Main {
                     }
                     duration = System.currentTimeMillis() - timeStart;
                     responseMap.put("processor", Xalan.getVersion());
-                    responseMap.put("time", "" + duration);
+                    responseMap.put("time", Long.toString(duration));
                     resp.body(mapper.writeValueAsString(responseMap));
                     return resp;
 
@@ -215,6 +236,5 @@ public class Main {
         } catch (Exception ex) {
             return ex.getMessage();
         }
-
     };
 }

REST_XSLT/src/main/java/r11/mltx/restxslt/processors/NewNamespaceResolver.java

@@ -1,4 +1,4 @@
-package processors;
+package r11.mltx.restxslt.processors;
 
 import net.sf.saxon.om.NamespaceBinding;
 import net.sf.saxon.om.NamespaceMap;
@@ -7,29 +7,50 @@ import net.sf.saxon.s9api.XdmNode;
 
 import java.util.Iterator;
 
+/**
+ * Handler for saxon namespace scan engine.
+ * All found namespaces are stored within {@link #namespaceMap}
+ * @author Wojciech Czop
+ */
 public class NewNamespaceResolver {
 
     private NamespaceMap namespaceMap;
 
+    /**
+     * Initializes {@link #namespaceMap} with namespace values
+     * @param doc dom structure object
+     * @return map of namespaces
+     */
     public NamespaceMap process(XdmNode doc) {
         namespaceMap = NamespaceMap.emptyMap();
         Iterator<XdmNode> it = doc.children().iterator();
-
+//        TODO: remove
         while (it.hasNext()) {
             XdmNode tmp = it.next();
             extractNamespace(tmp);
         }
+//        end
         return namespaceMap;
     }
 
+    /**
+     * Iterates through {@link #namespaceMap} and declares namespaces in {@link XPathCompiler}
+     * @param compiler compiler used to compile xpath statements
+     */
     public void exportNamespaces(XPathCompiler compiler){
         Iterator<NamespaceBinding> it = namespaceMap.iterator();
+//        TODO: remove
         while(it.hasNext()){
             System.out.println(it.next());
         }
+//        end
         namespaceMap.forEach(namespaceBinding -> compiler.declareNamespace(namespaceBinding.getPrefix(), namespaceBinding.getURI()));
     }
 
+    /**
+     * Uses recurrency to dive deep dom structure and appends {@link #namespaceMap} with every found namespace
+     * @param node dom structure object
+     */
     private void extractNamespace(XdmNode node) {
         NamespaceMap tmp;
         if ((tmp = node.getUnderlyingNode().getAllNamespaces()) != null) {
@@ -40,13 +61,14 @@ public class NewNamespaceResolver {
             Iterator<XdmNode> it = node.children().iterator();
             while (it.hasNext()) {
                 XdmNode rNode = it.next();
+//                TODO: remove
                 if(rNode.getUnderlyingNode().getPrefix().isEmpty() && !rNode.getParent().getUnderlyingNode().getPrefix().isEmpty()){
 
                     System.out.println("prefix missing, parent has "+rNode.getParent().getUnderlyingNode().getPrefix() + ", but child has none");
 
-                    NamespaceMap nsTMP= rNode.getUnderlyingNode().getAllNamespaces();
                     System.out.println();
                 }
+//                end
                 extractNamespace(rNode);
             }
         }

REST_XSLT/src/main/java/r11/mltx/restxslt/processors/Saxon.java

@@ -1,12 +1,23 @@
-package processors;
+package r11.mltx.restxslt.processors;
 
-import net.sf.saxon.om.NamespaceMap;
 import net.sf.saxon.s9api.*;
 import javax.xml.transform.stream.StreamSource;
 import java.io.StringReader;
 import java.io.StringWriter;
 
+/**
+ * Handler for Saxon engine
+ * @author Wojciech Czop
+ */
 public class Saxon {
+
+    /**
+     * Transforms string containing xml document via xslt
+     * @param data xml to be transformed
+     * @param transform xslt
+     * @return transformed xml
+     * @throws SaxonApiException thrown on stylesheet or transformation errors
+     */
     public static String processXSLT(String data, String transform) throws SaxonApiException {
         Processor processor = new Processor(false);
         XsltCompiler compiler = processor.newXsltCompiler();
@@ -21,19 +32,25 @@ public class Saxon {
         return sw.toString();
     }
 
+    /**
+     * Process xpath and return either node or wrapped atomic value
+     * @param data xml to be querried
+     * @param query xpath queryy
+     * @param version processor version
+     * @return string xml representation of the node
+     * @throws Exception thrown on node building errors or invalid xpath
+     */
     public static String processXPath(String data, String query, String version) throws Exception {
         Processor p = new Processor(false);
         XPathCompiler compiler = p.newXPathCompiler();
         DocumentBuilder builder = p.newDocumentBuilder();
         XdmNode doc = builder.build(new StreamSource(new StringReader(data)));
 
-//        System.out.println(version);
-
         compiler.setLanguageVersion(version);
 
         NewNamespaceResolver resolver = new NewNamespaceResolver();
 
-        NamespaceMap nsMa = resolver.process(doc);
+        resolver.process(doc);
 
         resolver.exportNamespaces(compiler);
 
@@ -47,6 +64,10 @@ public class Saxon {
 
     }
 
+    /**
+     * Returns version of the processor
+     * @return version of the processor
+     */
     public static String getVersion() {
         return new Processor(false).getSaxonProductVersion();
     }

REST_XSLT/src/main/java/r11/mltx/restxslt/processors/Xalan.java

@@ -1,10 +1,9 @@
-package processors;
+package r11.mltx.restxslt.processors;
 
-import org.apache.xpath.domapi.XPathEvaluatorImpl;
 import org.w3c.dom.Document;
+import org.xml.sax.InputSource;
 
 import javax.xml.XMLConstants;
-import javax.xml.namespace.NamespaceContext;
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
 import javax.xml.transform.*;
@@ -18,29 +17,31 @@ import javax.xml.xpath.XPath;
 import javax.xml.xpath.XPathConstants;
 import javax.xml.xpath.XPathExpression;
 import javax.xml.xpath.XPathFactory;
-import java.io.IOException;
 import java.io.StringReader;
 import java.io.StringWriter;
-import org.w3c.dom.NodeList;
-import org.xml.sax.InputSource;
-import org.xml.sax.SAXException;
 
+/**
+ * Handler for Xalan engine
+ * @author Wojciech Czop
+ */
 public class Xalan {
-
+    /**
+     * Transforms string containing xml document via xslt
+     * @param data xml to be transformed
+     * @param transform xslt
+     * @return transformed xml
+     * @throws Exception thrown on stylesheet or transformation errors
+     */
     public static String processXSLT(String data, String transform) throws Exception{
         DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
         DocumentBuilder builder = factory.newDocumentBuilder();
         Document document = builder.parse(new InputSource(new StringReader(data)));
 
-
-
         StreamSource stylesource = new StreamSource(new StringReader(transform));
-
-
-
         Transformer transformer = TransformerFactory.newInstance().newTransformer(stylesource);
         transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
         transformer.setOutputProperty(OutputKeys.INDENT, "yes");
+
         Source source = new DOMSource(document);
         StringWriter sw = new StringWriter();
         Result outputTarget = new StreamResult(sw);
@@ -49,6 +50,15 @@ public class Xalan {
         return sw.toString();
     }
 
+    /**
+     * Process xpath and return either node or wrapped atomic value
+     * @deprecated
+     * Xalan needs assumption of the outcome, which is not implemented. Therefore method is deprecated
+     * @param data xml
+     * @param transform xpath
+     * @return xml processed using given xpath
+     * @throws Exception thrown on node building errors or invalid xpath
+     */
     public static String processXPath(String data, String transform) throws Exception{
         DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
         DocumentBuilder builder = factory.newDocumentBuilder();
@@ -57,35 +67,33 @@ public class Xalan {
 
         xpath.setNamespaceContext(new XalanNamespaceResolver(builder.parse(new InputSource(new StringReader(data))), true));
         XPathExpression exp = xpath.compile(transform);
-        NodeList nodeList = (NodeList) exp.evaluate(new InputSource(new StringReader(data)), XPathConstants.NODESET);
+        exp.evaluate(new InputSource(new StringReader(data)), XPathConstants.NODESET);
-        String result = exp.evaluate(new InputSource(new StringReader(data)));
+        return exp.evaluate(new InputSource(new StringReader(data)));
-        return result;
     }
 
-
+    /**
+     * Returns version of the processor
+     * @return version of the processor
+     */
     public static String getVersion(){
         return org.apache.xalan.Version.getVersion();
     }
 
+    /**
+     * Validates string representation of the xml document against xsd schema
+     * @param data xml document
+     * @param xsd xsd schema
+     * @return statement of validity
+     * @throws Exception thrown on invalid xsd schema or xml
+     */
     public static String validate(String data, String xsd) throws Exception{
-
-
         Source dataSource = new StreamSource(new StringReader(data));
         Source xsdSource = new StreamSource(new StringReader(xsd));
         SchemaFactory schemaFactory = SchemaFactory
                 .newInstance(XMLConstants.W3C_XML_SCHEMA_NS_URI);
-//        try {
+        Schema schema = schemaFactory.newSchema(xsdSource);
-            Schema schema = schemaFactory.newSchema(xsdSource);
+        Validator validator = schema.newValidator();
-            Validator validator = schema.newValidator();
+        validator.validate(dataSource);
-            validator.validate(dataSource);
+        return "XML file is valid";
-//            System.out.println(dataSource.getSystemId() + " is valid");
-            return "XML file is valid";
-//        } catch (SAXException e) {
-//            System.out.println("Invalid: "+e.getMessage());
-//            return "XML file is NOT valid: " + e.getMessage();
-////            System.out.println(dataSource.getSystemId() + " is NOT valid reason:" + e);
-//        } catch (IOException e) {
-//            return "IO error: "+e.getMessage();
-//        }
     }
 }

REST_XSLT/src/main/java/r11/mltx/restxslt/processors/XalanNamespaceResolver.java

@@ -1,4 +1,4 @@
-package processors;
+package r11.mltx.restxslt.processors;
 
 import org.w3c.dom.*;
 
@@ -8,6 +8,12 @@ import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Map;
 
+/**
+ * Contains methods that scan document for namespaces and store them in map objects.
+ * @deprecated
+ * Class no longer in use. It has been replaced by {@link NewNamespaceResolver}
+ * @author Wojciech Czop
+ */
 public class XalanNamespaceResolver implements NamespaceContext {
     private static final String DEFAULT_NS = "DEFAULT";
     private Map<String, String> prefix2Uri = new HashMap<String, String>();
@@ -84,6 +90,11 @@ public class XalanNamespaceResolver implements NamespaceContext {
 
     }
 
+    /**
+     * Stores namespace prefix ass well as its uri in map
+     * @param prefix
+     * @param uri
+     */
     private void putInCache(String prefix, String uri) {
         prefix2Uri.put(prefix, uri);
         uri2Prefix.put(uri, prefix);