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authorBartosz Gardziejewski <bartosz.gardziejewski@nokia.com>2020-07-08 14:37:27 +0200
committerBartosz Gardziejewski <bartosz.gardziejewski@nokia.com>2020-07-14 14:51:34 +0200
commitae6a1ca9e670a9ab2c7302af89f0dd17bf54ba83 (patch)
treeaaaf29803463b76456bc48e776d1f27426a764c1 /csarvalidation/src/main/java
parentb93e6a61eb52c364c43190f40c33aa9045ad90d2 (diff)
Add validation of YAML documents, with use of schema
Issue-ID: VNFSDK-594 Signed-off-by: Bartosz Gardziejewski <bartosz.gardziejewski@nokia.com> Change-Id: I4afc573f564c642a349736e50b50c591b9b18650
Diffstat (limited to 'csarvalidation/src/main/java')
-rw-r--r--csarvalidation/src/main/java/org/onap/validation/yaml/YamlValidator.java40
-rw-r--r--csarvalidation/src/main/java/org/onap/validation/yaml/model/SchemaValidationError.java36
-rw-r--r--csarvalidation/src/main/java/org/onap/validation/yaml/process/YamlValidationProcess.java109
-rw-r--r--csarvalidation/src/main/java/org/onap/validation/yaml/process/YamlValidationStep.java45
4 files changed, 230 insertions, 0 deletions
diff --git a/csarvalidation/src/main/java/org/onap/validation/yaml/YamlValidator.java b/csarvalidation/src/main/java/org/onap/validation/yaml/YamlValidator.java
new file mode 100644
index 0000000..17ebd1f
--- /dev/null
+++ b/csarvalidation/src/main/java/org/onap/validation/yaml/YamlValidator.java
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2020 Nokia
+ *
+ * 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.
+ *
+ */
+
+package org.onap.validation.yaml;
+
+import org.onap.validation.yaml.exception.YamlProcessingException;
+import org.onap.validation.yaml.model.SchemaValidationError;
+import org.onap.validation.yaml.model.YamlDocument;
+import org.onap.validation.yaml.process.YamlValidationProcess;
+import org.onap.validation.yaml.schema.YamlSchema;
+
+import java.util.List;
+
+public class YamlValidator {
+
+ private final YamlSchema schema;
+
+ YamlValidator(YamlSchema schema) {
+ this.schema = schema;
+ }
+
+ public List<SchemaValidationError> validate(YamlDocument document) throws YamlProcessingException {
+ return new YamlValidationProcess(schema,document).validate();
+ }
+
+}
diff --git a/csarvalidation/src/main/java/org/onap/validation/yaml/model/SchemaValidationError.java b/csarvalidation/src/main/java/org/onap/validation/yaml/model/SchemaValidationError.java
new file mode 100644
index 0000000..45f1647
--- /dev/null
+++ b/csarvalidation/src/main/java/org/onap/validation/yaml/model/SchemaValidationError.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2020 Nokia
+ *
+ * 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.
+ *
+ */
+
+package org.onap.validation.yaml.model;
+
+public class SchemaValidationError {
+ private final String path;
+ private final String message;
+
+ public String getPath() {
+ return path;
+ }
+
+ public String getMessage() {
+ return message;
+ }
+
+ public SchemaValidationError(String path, String message) {
+ this.path = path;
+ this.message = message;
+ }
+}
diff --git a/csarvalidation/src/main/java/org/onap/validation/yaml/process/YamlValidationProcess.java b/csarvalidation/src/main/java/org/onap/validation/yaml/process/YamlValidationProcess.java
new file mode 100644
index 0000000..f55b729
--- /dev/null
+++ b/csarvalidation/src/main/java/org/onap/validation/yaml/process/YamlValidationProcess.java
@@ -0,0 +1,109 @@
+/*
+ * Copyright 2020 Nokia
+ *
+ * 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.
+ *
+ */
+
+package org.onap.validation.yaml.process;
+
+import org.onap.validation.yaml.exception.YamlProcessingException;
+import org.onap.validation.yaml.model.SchemaValidationError;
+import org.onap.validation.yaml.model.YamlDocument;
+import org.onap.validation.yaml.schema.YamlSchema;
+import org.onap.validation.yaml.schema.node.YamlSchemaNode;
+
+import java.util.ArrayList;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Queue;
+
+public class YamlValidationProcess {
+
+ private final Queue<YamlValidationStep> validationSteps;
+ private final List<SchemaValidationError> errors;
+ private final YamlSchema schema;
+ private final YamlDocument document;
+
+ public YamlValidationProcess(YamlSchema schema, YamlDocument document) {
+ this.schema = schema;
+ this.document = document;
+ errors = new ArrayList<>();
+ validationSteps = new LinkedList<>();
+ }
+
+ public List<SchemaValidationError> validate() throws YamlProcessingException {
+ validationSteps.add(new YamlValidationStep(schema.getRootNodes(), document));
+ while (!validationSteps.isEmpty()) {
+ YamlValidationStep nextValidationNode = validationSteps.poll();
+ validateStep(nextValidationNode);
+ }
+ return errors;
+ }
+
+ private void validateStep(YamlValidationStep validationNode)
+ throws YamlProcessingException {
+ for (YamlSchemaNode schemaNode : validationNode.getSchemaNodes()) {
+ validateNode(validationNode.getDocument(), schemaNode);
+ }
+ }
+
+ private void validateNode(YamlDocument document, YamlSchemaNode schemaNode)
+ throws YamlProcessingException {
+
+ if (document.containsKey(schemaNode.getName())) {
+ if (schemaNode.isContainingSubStructure()) {
+ addNextLevelNodeToValidationNodesQueue(document, schemaNode);
+ } else if (!isValueOfNodeInAcceptedValuesList(document, schemaNode)) {
+ addIncorrectValueError(document, schemaNode);
+ }
+ } else if (schemaNode.isRequired()) {
+ addRequiredKeyNotFoundError(schemaNode);
+ }
+ }
+
+ private boolean isValueOfNodeInAcceptedValuesList(YamlDocument document, YamlSchemaNode node) {
+ return node.getAcceptedValues().isEmpty() ||
+ node.getAcceptedValues().contains(document.getValue(node.getName()));
+ }
+
+ private void addNextLevelNodeToValidationNodesQueue(YamlDocument document, YamlSchemaNode node)
+ throws YamlProcessingException {
+ validationSteps.add(
+ new YamlValidationStep(
+ node.getNextNodes(),
+ document.getSubStructure(node.getName())
+ )
+ );
+ }
+
+ private void addRequiredKeyNotFoundError(YamlSchemaNode node) {
+ errors.add(
+ new SchemaValidationError(
+ node.getPath(),
+ String.format("Key not found: %s", node.getName())
+ )
+ );
+ }
+
+ private void addIncorrectValueError(YamlDocument document, YamlSchemaNode node) {
+ errors.add(
+ new SchemaValidationError(
+ node.getPath() + node.getName(),
+ String.format(
+ "Value is not in array of accepted values.%n value: %s%n accepted values: %s",
+ document.getValue(node.getName()), node.getAcceptedValues())
+ )
+ );
+ }
+}
diff --git a/csarvalidation/src/main/java/org/onap/validation/yaml/process/YamlValidationStep.java b/csarvalidation/src/main/java/org/onap/validation/yaml/process/YamlValidationStep.java
new file mode 100644
index 0000000..eb5ab8e
--- /dev/null
+++ b/csarvalidation/src/main/java/org/onap/validation/yaml/process/YamlValidationStep.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2020 Nokia
+ *
+ * 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.
+ *
+ */
+
+package org.onap.validation.yaml.process;
+
+import org.onap.validation.yaml.model.YamlDocument;
+import org.onap.validation.yaml.schema.node.YamlSchemaNode;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+class YamlValidationStep {
+
+ private final List<YamlSchemaNode> schemaNodes;
+ private final YamlDocument document;
+
+ YamlValidationStep(List<YamlSchemaNode> nodes, YamlDocument yaml) {
+ this.schemaNodes = new ArrayList<>(nodes);
+ this.document = yaml;
+ }
+
+ List<YamlSchemaNode> getSchemaNodes() {
+ return Collections.unmodifiableList(schemaNodes);
+ }
+
+ YamlDocument getDocument() {
+ return document;
+ }
+
+}