Update SonarQube Code Smell

[cps.git] / cps-ri / src / main / java / org / onap / cps / spi / query / CpsPathQuery.java

diff --git a/cps-ri/src/main/java/org/onap/cps/spi/query/CpsPathQuery.java b/cps-ri/src/main/java/org/onap/cps/spi/query/CpsPathQuery.java
index 97a304d..b27301b 100644 (file)
--- a/cps-ri/src/main/java/org/onap/cps/spi/query/CpsPathQuery.java
+++ b/cps-ri/src/main/java/org/onap/cps/spi/query/CpsPathQuery.java
@@ -1,7 +1,7 @@
 /*
  * ============LICENSE_START=======================================================
  *  Copyright (C) 2021 Nordix Foundation
- *  Modifications Copyright (C) 2021 Bell Canada. All rights reserved.
+ *  Modifications Copyright (C) 2021 Bell Canada.
  *  ================================================================================
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
@@ -20,6 +20,10 @@
 
 package org.onap.cps.spi.query;
 
+import static org.springframework.util.StringUtils.isEmpty;
+
+import java.util.HashMap;
+import java.util.Map;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import lombok.AccessLevel;
@@ -35,7 +39,9 @@ public class CpsPathQuery {
     private String xpathPrefix;
     private String leafName;
     private Object leafValue;
-    private String endsWith;
+    private String descendantName;
+    private Map<String, Object> leavesData;
+    private String ancestorSchemaNodeIdentifier;
 
     private static final String NON_CAPTURING_GROUP_1_TO_99_YANG_CONTAINERS = "((?:\\/[^\\/]+){1,99})";
 
@@ -45,44 +51,107 @@ public class CpsPathQuery {
     private static final Pattern QUERY_CPS_PATH_WITH_SINGLE_LEAF_PATTERN =
         Pattern.compile(NON_CAPTURING_GROUP_1_TO_99_YANG_CONTAINERS + YANG_LEAF_VALUE_EQUALS_CONDITION);
 
-    private static final Pattern QUERY_CPS_PATH_ENDS_WITH_PATTERN = Pattern.compile("\\/\\/(.+)");
+    private static final Pattern DESCENDANT_ANYWHERE_PATTERN = Pattern.compile("\\/\\/([^\\/][^:]+)");
 
     private static final Pattern LEAF_INTEGER_VALUE_PATTERN = Pattern.compile("[-+]?\\d+");
 
-    private static final Pattern LEAF_STRING_VALUE_PATTERN = Pattern.compile("['\"](.*)['\"]");
+    private static final Pattern LEAF_STRING_VALUE_IN_SINGLE_QUOTES_PATTERN = Pattern.compile("'(.*)'");
+    private static final Pattern LEAF_STRING_VALUE_IN_DOUBLE_QUOTES_PATTERN = Pattern.compile("\"(.*)\"");
+
+    private static final String YANG_MULTIPLE_LEAF_VALUE_EQUALS_CONDITION = "\\[(.*?)\\s{0,9}]";
+
+    private static final Pattern DESCENDANT_ANYWHERE_PATTERN_WITH_MULTIPLE_LEAF_PATTERN =
+        Pattern.compile(DESCENDANT_ANYWHERE_PATTERN + YANG_MULTIPLE_LEAF_VALUE_EQUALS_CONDITION);
+
+    private static final String INDIVIDUAL_LEAF_DETAIL_PATTERN = ("\\s{1,9}and\\s{1,9}");
+
+    private static final Pattern LEAF_VALUE_PATTERN = Pattern.compile("@(\\S+?)=(.*)");
+
+    private static final Pattern ANCESTOR_AXIS_PATTERN = Pattern.compile("(\\S+)\\/ancestor::\\/?(\\S+)");
 
     /**
      * Returns a cps path query.
      *
-     * @param cpsPath cps path
+     * @param cpsPathSource cps path
      * @return a CpsPath object.
      */
-    public static CpsPathQuery createFrom(final String cpsPath) {
-        Matcher matcher = QUERY_CPS_PATH_WITH_SINGLE_LEAF_PATTERN.matcher(cpsPath);
-        final CpsPathQuery cpsPathQuery = new CpsPathQuery();
+    public static CpsPathQuery createFrom(final String cpsPathSource) {
+        var cpsPath = cpsPathSource;
+        final var cpsPathQuery = new CpsPathQuery();
+        var matcher = ANCESTOR_AXIS_PATTERN.matcher(cpsPath);
         if (matcher.matches()) {
-            cpsPathQuery.setCpsPathQueryType(CpsPathQueryType.XPATH_LEAF_VALUE);
-            cpsPathQuery.setXpathPrefix(matcher.group(1));
-            cpsPathQuery.setLeafName(matcher.group(2));
-            cpsPathQuery.setLeafValue(convertLeafValueToCorrectType(matcher.group(3), cpsPath));
+            cpsPath = matcher.group(1);
+            cpsPathQuery.setAncestorSchemaNodeIdentifier(matcher.group(2));
+        }
+        matcher = QUERY_CPS_PATH_WITH_SINGLE_LEAF_PATTERN.matcher(cpsPath);
+        if (matcher.matches()) {
+            cpsPathQuery.setParametersForSingleLeafValue(cpsPath, matcher);
+            return cpsPathQuery;
+        }
+        matcher = DESCENDANT_ANYWHERE_PATTERN_WITH_MULTIPLE_LEAF_PATTERN.matcher(cpsPath);
+        if (matcher.matches()) {
+            cpsPathQuery.setParametersForDescendantWithLeafValues(cpsPath, matcher);
             return cpsPathQuery;
         }
-        matcher = QUERY_CPS_PATH_ENDS_WITH_PATTERN.matcher(cpsPath);
+        matcher = DESCENDANT_ANYWHERE_PATTERN.matcher(cpsPath);
         if (matcher.matches()) {
-            cpsPathQuery.setCpsPathQueryType(CpsPathQueryType.XPATH_ENDS_WITH);
-            cpsPathQuery.setEndsWith(matcher.group(1));
+            cpsPathQuery.setParametersForDescendantAnywhere(matcher);
             return cpsPathQuery;
         }
         throw new CpsPathException("Invalid cps path.",
             String.format("Cannot interpret or parse cps path '%s'.", cpsPath));
     }
 
+    /**
+     * Has ancestor axis been populated.
+     *
+     * @return boolean value.
+     */
+    public boolean hasAncestorAxis() {
+        return !(isEmpty(ancestorSchemaNodeIdentifier));
+    }
+
+    private void setParametersForSingleLeafValue(final String cpsPath, final Matcher matcher) {
+        setCpsPathQueryType(CpsPathQueryType.XPATH_LEAF_VALUE);
+        setXpathPrefix(matcher.group(1));
+        setLeafName(matcher.group(2));
+        setLeafValue(convertLeafValueToCorrectType(matcher.group(3), cpsPath));
+    }
+
+    private void setParametersForDescendantWithLeafValues(final String cpsPath, final Matcher matcher) {
+        setCpsPathQueryType(CpsPathQueryType.XPATH_HAS_DESCENDANT_WITH_LEAF_VALUES);
+        setDescendantName(matcher.group(1));
+        final Map<String, Object> leafData = new HashMap<>();
+        for (final String leafValuePair : matcher.group(2).split(INDIVIDUAL_LEAF_DETAIL_PATTERN)) {
+            final var descendentMatcher = LEAF_VALUE_PATTERN.matcher(leafValuePair);
+            if (descendentMatcher.matches()) {
+                leafData.put(descendentMatcher.group(1),
+                    convertLeafValueToCorrectType(descendentMatcher.group(2), cpsPath));
+            } else {
+                throw new CpsPathException("Invalid cps path.",
+                    String.format("Cannot interpret or parse attributes in cps path '%s'.", cpsPath));
+            }
+        }
+        setLeavesData(leafData);
+    }
+
+    private void setParametersForDescendantAnywhere(final Matcher matcher) {
+        setCpsPathQueryType(CpsPathQueryType.XPATH_HAS_DESCENDANT_ANYWHERE);
+        setDescendantName(matcher.group(1));
+    }
+
     private static Object convertLeafValueToCorrectType(final String leafValueString, final String cpsPath) {
-        final Matcher stringValueWithQuotesMatcher = LEAF_STRING_VALUE_PATTERN.matcher(leafValueString);
-        if (stringValueWithQuotesMatcher.matches()) {
-            return stringValueWithQuotesMatcher.group(1);
+        final var stringValueWithSingleQuotesMatcher =
+                LEAF_STRING_VALUE_IN_SINGLE_QUOTES_PATTERN.matcher(leafValueString);
+        if (stringValueWithSingleQuotesMatcher.matches()) {
+            return stringValueWithSingleQuotesMatcher.group(1);
+        }
+        final var stringValueWithDoubleQuotesMatcher =
+                LEAF_STRING_VALUE_IN_DOUBLE_QUOTES_PATTERN.matcher(leafValueString);
+        if (stringValueWithDoubleQuotesMatcher.matches()) {
+            return stringValueWithDoubleQuotesMatcher.group(1);
         }
-        final Matcher integerValueMatcher = LEAF_INTEGER_VALUE_PATTERN.matcher(leafValueString);
+        final var integerValueMatcher = LEAF_INTEGER_VALUE_PATTERN.matcher(leafValueString);
         if (integerValueMatcher.matches()) {
             return Integer.valueOf(leafValueString);
         }