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/*
* ============LICENSE_START=======================================================
* PROJECT
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* Copyright (C) 2018 Nokia. All rights reserved.s
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.dcae;
import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.databind.JsonNode;
import com.github.fge.jackson.JsonLoader;
import com.github.fge.jsonschema.core.exceptions.ProcessingException;
import com.github.fge.jsonschema.core.report.ProcessingMessage;
import com.github.fge.jsonschema.core.report.ProcessingReport;
import com.github.fge.jsonschema.main.JsonSchema;
import com.github.fge.jsonschema.main.JsonSchemaFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
public class SchemaValidator {
private static final Logger log = LoggerFactory.getLogger(SchemaValidator.class);
//refactor in next iteration
public static String validateAgainstSchema(String jsonData, String jsonSchema) {
ProcessingReport report;
String result = "false";
try {
log.trace("Schema validation for event:" + jsonData);
JsonNode schemaNode = JsonLoader.fromString(jsonSchema);
JsonNode data = JsonLoader.fromString(jsonData);
JsonSchemaFactory factory = JsonSchemaFactory.byDefault();
JsonSchema schema = factory.getJsonSchema(schemaNode);
report = schema.validate(data);
} catch (JsonParseException e) {
log.error("validateAgainstSchema:JsonParseException for event:" + jsonData);
return e.getMessage();
} catch (ProcessingException e) {
log.error("validateAgainstSchema:Processing exception for event:" + jsonData);
return e.getMessage();
} catch (IOException e) {
log.error(
"validateAgainstSchema:IO exception; something went wrong trying to read json data for event:" + jsonData);
return e.getMessage();
}
if (report != null) {
for (ProcessingMessage pm : report) {
log.trace("Processing Message: " + pm.getMessage());
}
result = String.valueOf(report.isSuccess());
}
try {
log.debug("Validation Result:" + result + " Validation report:" + report);
} catch (NullPointerException e) {
log.error("validateAgainstSchema:NullpointerException on report");
}
return result;
}
}
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