Add fix for posting nodes with xPath with '/'

	- YangUtils method changed from using REGEX to cps path parser
	- unit test added for cps path util

Issue-ID: CPS-1433
Signed-off-by: emaclee <lee.anjella.macabuhay@est.tech>
Change-Id: Ibb9efdd09423f9bade4a4a557d7d9ed49aa44ef4

3 files changed, 17 insertions, 2 deletions

diff --git a/cps-path-parser/src/main/java/org/onap/cps/cpspath/parser/CpsPathBuilder.java b/cps-path-parser/src/main/java/org/onap/cps/cpspath/parser/CpsPathBuilder.java
index 7183120120..3a9d70ebbc 100644
--- a/cps-path-parser/src/main/java/org/onap/cps/cpspath/parser/CpsPathBuilder.java
+++ b/cps-path-parser/src/main/java/org/onap/cps/cpspath/parser/CpsPathBuilder.java
@@ -22,7 +22,9 @@ package org.onap.cps.cpspath.parser;
 
 import static org.onap.cps.cpspath.parser.CpsPathPrefixType.DESCENDANT;
 
+import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 import org.onap.cps.cpspath.parser.antlr4.CpsPathBaseListener;
 import org.onap.cps.cpspath.parser.antlr4.CpsPathParser;
@@ -50,6 +52,8 @@ public class CpsPathBuilder extends CpsPathBaseListener {
 
     boolean processingAncestorAxis = false;
 
+    private List<String> containerNames = new ArrayList<>();
+
     @Override
     public void exitInvalidPostFix(final CpsPathParser.InvalidPostFixContext ctx) {
         throw new PathParsingException(ctx.getText());
@@ -146,6 +150,7 @@ public class CpsPathBuilder extends CpsPathBaseListener {
 
     CpsPathQuery build() {
         cpsPathQuery.setNormalizedXpath(normalizedXpathBuilder.toString());
+        cpsPathQuery.setContainerNames(containerNames);
         return cpsPathQuery;
     }
 
@@ -155,10 +160,12 @@ public class CpsPathBuilder extends CpsPathBaseListener {
 
     @Override
     public void exitContainerName(final CpsPathParser.ContainerNameContext ctx) {
+        final String containerName = ctx.getText();
         normalizedXpathBuilder.append("/")
-                .append(ctx.getText());
+                .append(containerName);
+        containerNames.add(containerName);
         if (processingAncestorAxis) {
-            normalizedAncestorPathBuilder.append("/").append(ctx.getText());
+            normalizedAncestorPathBuilder.append("/").append(containerName);
         }
     }
 
diff --git a/cps-path-parser/src/main/java/org/onap/cps/cpspath/parser/CpsPathQuery.java b/cps-path-parser/src/main/java/org/onap/cps/cpspath/parser/CpsPathQuery.java
index a9bd5d81c3..c9df8df904 100644
--- a/cps-path-parser/src/main/java/org/onap/cps/cpspath/parser/CpsPathQuery.java
+++ b/cps-path-parser/src/main/java/org/onap/cps/cpspath/parser/CpsPathQuery.java
@@ -22,6 +22,7 @@ package org.onap.cps.cpspath.parser;
 
 import static org.onap.cps.cpspath.parser.CpsPathPrefixType.ABSOLUTE;
 
+import java.util.List;
 import java.util.Map;
 import lombok.AccessLevel;
 import lombok.Getter;
@@ -34,6 +35,7 @@ public class CpsPathQuery {
     private String xpathPrefix;
     private String normalizedParentPath;
     private String normalizedXpath;
+    private List<String> containerNames;
     private CpsPathPrefixType cpsPathPrefixType = ABSOLUTE;
     private String descendantName;
     private Map<String, Object> leavesData;
diff --git a/cps-path-parser/src/main/java/org/onap/cps/cpspath/parser/CpsPathUtil.java b/cps-path-parser/src/main/java/org/onap/cps/cpspath/parser/CpsPathUtil.java
index 283463b512..60f0e2efcd 100644
--- a/cps-path-parser/src/main/java/org/onap/cps/cpspath/parser/CpsPathUtil.java
+++ b/cps-path-parser/src/main/java/org/onap/cps/cpspath/parser/CpsPathUtil.java
@@ -22,6 +22,7 @@ package org.onap.cps.cpspath.parser;
 
 import static org.onap.cps.cpspath.parser.CpsPathPrefixType.ABSOLUTE;
 
+import java.util.List;
 import lombok.AccessLevel;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -60,6 +61,11 @@ public class CpsPathUtil {
         return getCpsPathBuilder(xpathSource).build().getNormalizedParentPath();
     }
 
+    public static String[] getXpathNodeIdSequence(final String xpathSource) {
+        final List<String> containerNames = getCpsPathBuilder(xpathSource).build().getContainerNames();
+        return containerNames.toArray(new String[containerNames.size()]);
+    }
+
 
     /**
      * Returns boolean indicating xpath is an absolute path to a list element.