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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.openecomp.sdc.asdctool.impl;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;
/**
* simple util class to verify that the titan export json graph is not corrupted
*/
public class GraphJsonValidator {
private static Logger log = LoggerFactory.getLogger(GraphJsonValidator.class.getName());
public boolean verifyTitanJson(String filePath) throws IOException {
ObjectMapper objectMapper = new ObjectMapper();
List<Integer> invalidRows = new ArrayList<>();
AtomicInteger atomicInteger = new AtomicInteger(1);
Files.lines(Paths.get(filePath)).forEach(line -> {
try {
verifyJsonLine(objectMapper, atomicInteger, line);
} catch (RuntimeException | IOException e) {
logInvalidJsonRow(atomicInteger, line, e);
invalidRows.add(atomicInteger.get());
}
});
return verificationResult(invalidRows);
}
private void verifyJsonLine(ObjectMapper objectMapper, AtomicInteger atomicInteger, String line) throws IOException {
log.info("verifying line: " + atomicInteger.get());
objectMapper.readTree(line);
atomicInteger.incrementAndGet();
}
private void logInvalidJsonRow(AtomicInteger atomicInteger, String line, Exception e) {
log.error("Invalid Json!!!!!!!!!!!!!!!!!!!!", e);
log.info("line number: " + atomicInteger.get());
log.info("line value: " + line);
}
private boolean verificationResult(List<Integer> invalidRows) {
if (!invalidRows.isEmpty()) {
log.info("the following lines are not valid: " + invalidRows);
return false;
}
return true;
}
}
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