X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-clustering-commons%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatastore%2Fnode%2Futils%2FPathUtils.java;h=8324b64aaac7821683c04589016072831975903c;hp=6cdddfd2716c1cf0e008f47853877174ba61d4b3;hb=38fa2a64bd6e206b2d8a6b153154104347854408;hpb=7ca766e911670b348d68c191ba16a903f1bdc245

diff --git a/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/datastore/node/utils/PathUtils.java b/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/datastore/node/utils/PathUtils.java
index 6cdddfd271..8324b64aaa 100644
--- a/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/datastore/node/utils/PathUtils.java
+++ b/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/datastore/node/utils/PathUtils.java
@@ -1,24 +1,28 @@
 /*
+ * Copyright (c) 2014, 2015 Cisco Systems, Inc. and others.  All rights reserved.
  *
- *  Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
- *
- *  This program and the accompanying materials are made available under the
- *  terms of the Eclipse Public License v1.0 which accompanies this distribution,
- *  and is available at http://www.eclipse.org/legal/epl-v10.html
- *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
  */
 
 package org.opendaylight.controller.cluster.datastore.node.utils;
 
-import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-
+import com.google.common.base.Splitter;
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Set;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeWithValue;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
 
 public class PathUtils {
+    private static final Splitter SLASH_SPLITTER = Splitter.on('/').omitEmptyStrings();
 
     /**
      * Given a YangInstanceIdentifier return a serialized version of the same
@@ -27,17 +31,21 @@ public class PathUtils {
      * @param path
      * @return
      */
-    public static String toString(YangInstanceIdentifier path){
-        StringBuilder sb = new StringBuilder();
-        Iterator<YangInstanceIdentifier.PathArgument> iterator =
-            path.getPathArguments().iterator();
+    public static String toString(YangInstanceIdentifier path) {
+        final Iterator<PathArgument> it = path.getPathArguments().iterator();
+        if (!it.hasNext()) {
+            return "";
+        }
 
-        while(iterator.hasNext()){
-            sb.append(toString(iterator.next()));
-            if(iterator.hasNext()){
-                sb.append("/");
+        final StringBuilder sb = new StringBuilder();
+        for (;;) {
+            sb.append(toString(it.next()));
+            if (!it.hasNext()) {
+                break;
             }
+            sb.append('/');
         }
+
         return sb.toString();
     }
 
@@ -48,15 +56,15 @@ public class PathUtils {
      * @param pathArgument
      * @return
      */
-    public static String toString(YangInstanceIdentifier.PathArgument pathArgument){
-        if(pathArgument instanceof YangInstanceIdentifier.NodeIdentifier){
-            return toString((YangInstanceIdentifier.NodeIdentifier) pathArgument);
-        } else if(pathArgument instanceof YangInstanceIdentifier.AugmentationIdentifier){
-            return toString((YangInstanceIdentifier.AugmentationIdentifier) pathArgument);
-        } else if(pathArgument instanceof YangInstanceIdentifier.NodeWithValue){
-            return toString((YangInstanceIdentifier.NodeWithValue) pathArgument);
-        } else if(pathArgument instanceof YangInstanceIdentifier.NodeIdentifierWithPredicates){
-            return toString((YangInstanceIdentifier.NodeIdentifierWithPredicates) pathArgument);
+    public static String toString(PathArgument pathArgument){
+        if(pathArgument instanceof NodeIdentifier){
+            return toString((NodeIdentifier) pathArgument);
+        } else if(pathArgument instanceof AugmentationIdentifier){
+            return toString((AugmentationIdentifier) pathArgument);
+        } else if(pathArgument instanceof NodeWithValue){
+            return toString((NodeWithValue<?>) pathArgument);
+        } else if(pathArgument instanceof NodeIdentifierWithPredicates){
+            return toString((NodeIdentifierWithPredicates) pathArgument);
         }
 
         return pathArgument.toString();
@@ -70,22 +78,18 @@ public class PathUtils {
      * @return
      */
     public static YangInstanceIdentifier toYangInstanceIdentifier(String path){
-        String[] segments = path.split("/");
-
-        List<YangInstanceIdentifier.PathArgument> pathArguments = new ArrayList<>();
-        for (String segment : segments) {
-            if (!"".equals(segment)) {
-                pathArguments.add(NodeIdentifierFactory.getArgument(segment));
-            }
+        List<PathArgument> pathArguments = new ArrayList<>();
+        for (String segment : SLASH_SPLITTER.split(path)) {
+            pathArguments.add(NodeIdentifierFactory.getArgument(segment));
         }
         return YangInstanceIdentifier.create(pathArguments);
     }
 
-    private static String toString(YangInstanceIdentifier.NodeIdentifier pathArgument){
+    private static String toString(NodeIdentifier pathArgument){
         return pathArgument.getNodeType().toString();
     }
 
-    private static String toString(YangInstanceIdentifier.AugmentationIdentifier pathArgument){
+    private static String toString(AugmentationIdentifier pathArgument){
         Set<QName> childNames = pathArgument.getPossibleChildNames();
         final StringBuilder sb = new StringBuilder("AugmentationIdentifier{");
         sb.append("childNames=").append(childNames).append('}');
@@ -93,11 +97,11 @@ public class PathUtils {
 
     }
 
-    private static String toString(YangInstanceIdentifier.NodeWithValue pathArgument){
+    private static String toString(NodeWithValue<?> pathArgument) {
         return pathArgument.getNodeType().toString() + "[" + pathArgument.getValue() + "]";
     }
 
-    private static String toString(YangInstanceIdentifier.NodeIdentifierWithPredicates pathArgument){
+    private static String toString(NodeIdentifierWithPredicates pathArgument){
         return pathArgument.getNodeType().toString() + '[' + pathArgument.getKeyValues() + ']';
     }