diff options
Diffstat (limited to 'cps-ri/src/main/java/org/onap/cps/spi/query/CpsPathQuery.java')
| -rw-r--r-- | cps-ri/src/main/java/org/onap/cps/spi/query/CpsPathQuery.java | 161 |
1 files changed, 0 insertions, 161 deletions
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 deleted file mode 100644 index 401667eaa..000000000 --- a/cps-ri/src/main/java/org/onap/cps/spi/query/CpsPathQuery.java +++ /dev/null @@ -1,161 +0,0 @@ -/* - * ============LICENSE_START======================================================= - * Copyright (C) 2021 Nordix Foundation - * 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. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - * SPDX-License-Identifier: Apache-2.0 - * ============LICENSE_END========================================================= - */ - -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; -import lombok.Getter; -import lombok.Setter; -import org.onap.cps.spi.exceptions.CpsPathException; - -@Getter -@Setter(AccessLevel.PRIVATE) -public class CpsPathQuery { - - private CpsPathQueryType cpsPathQueryType; - private String xpathPrefix; - private String leafName; - private Object leafValue; - 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})"; - - private static final String YANG_LEAF_VALUE_EQUALS_CONDITION = - "\\[\\s{0,9}@(\\S+?)\\s{0,9}=\\s{0,9}(.*?)\\s{0,9}\\]"; - - 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 DESCENDANT_ANYWHERE_PATTERN = Pattern.compile("\\/\\/([^\\/][^:]+)"); - - private static final Pattern LEAF_INTEGER_VALUE_PATTERN = Pattern.compile("[-+]?\\d+"); - - 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 cpsPathSource cps path - * @return a CpsPath object. - */ - 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()) { - 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 = DESCENDANT_ANYWHERE_PATTERN.matcher(cpsPath); - if (matcher.matches()) { - 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 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 var integerValueMatcher = LEAF_INTEGER_VALUE_PATTERN.matcher(leafValueString); - if (integerValueMatcher.matches()) { - return Integer.valueOf(leafValueString); - } - throw new CpsPathException("Unsupported leaf value.", - String.format("Unsupported leaf value '%s' in cps path '%s'.", leafValueString, cpsPath)); - } -} |