get node by name path method

src/main/groovy/com/nisum/XMLParser.groovy

@@ -5,19 +5,25 @@ import groovy.xml.slurpersupport.GPathResult
 
 class XMLParser {
 
-    public File file;
-    GPathResult xmlNodes;
-
-    static void main(String[] args) {
-
-    }
+    File file;
 
     public void loadFile(String fileLocation){
         file = new File(fileLocation);
     }
 
-    public void createParser() {
-        xmlNodes = new XmlSlurper().parse(file)
+    public GPathResult createParser() {
+        return new XmlSlurper().parse(file)
+    }
+
+    public GPathResult getNodeByPath(String[] path){
+        GPathResult node = createParser()
+
+        for (String nodeName : path) {
+            node = node."${nodeName}"
+        }
+
+        return node;
+
     }
 
 

src/main/groovy/com/nisum/XMLParsingScript.groovy

@@ -2,30 +2,20 @@ package com.nisum
 
 import groovy.xml.slurpersupport.GPathResult
 
-//import groovy.xml.XmlSlurper
-//
-//def webApp = new XmlSlurper().parse("./web.xml")
-//assert webApp instanceof groovy.util.Node
+String fileLocation = "./web.xml"
 
-//String fileLocation = "./web.xml"
-String fileLocation = "/Users/ccottier/Documents/ds-spring-conversion-tool/spring-conversion-xml-parser/src/main/groovy/com/nisum/web.xml"
+//eventually script will require absolute path from user input
+//String fileLocation = "/Users/ccottier/Documents/ds-spring-conversion-tool/spring-conversion-xml-parser/src/main/groovy/com/nisum/web.xml"
 
 
 XMLParser parser = new XMLParser()
 parser.loadFile(fileLocation)
-parser.createParser()
 
-GPathResult webApp = parser.xmlNodes
+String[] servPath = ["servlet","servlet-name"]
 
-def listenerNode = webApp.'listener'
-def contextParamNode = webApp.'context-param'
-def servletNode = webApp.'servlet'
-def servletMappingNode = webApp.'servlet-mapping'
+def servletNameNode = parser.getNodeByPath(servPath)
 
-//HashMap<String,String> hm = new HashMap<>();
-
-println(servletNode.'servlet-name'.toString())
-
-def listenerClass2 = webApp['@version']
+println(servletNameNode.toString())
 
+//def listenerClass2 = webApp['@version']
 //println(listenerClass2)
\ No newline at end of file