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/*
* 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.error.SchemaValidationError;
import org.onap.validation.yaml.exception.YamlProcessingException;
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().containsAll(
document.getListOfValues(node.getName()).getParameters()
);
}
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(s) is/are not in array of accepted values.%n value(s): %s%n accepted value(s): %s",
document.getValue(node.getName()), node.getAcceptedValues())
)
);
}
}
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