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/**
* Copyright © 2016-2017 European Support Limited.
*/
package org.openecomp.core.tools.exportinfo;
import static org.openecomp.core.tools.exportinfo.ExportDataCommand.NULL_REPRESENTATION;
import static org.openecomp.core.tools.importinfo.ImportSingleTable.dataTypesMap;
import com.datastax.driver.core.DataType.Name;
import com.datastax.driver.core.ResultSet;
import com.datastax.driver.core.Row;
import com.google.gson.JsonElement;
import com.google.gson.JsonParser;
import com.google.gson.JsonSyntaxException;
import java.io.File;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Base64;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
import org.apache.commons.lang3.StringUtils;
import org.codehaus.jackson.map.ObjectMapper;
import org.openecomp.core.tools.importinfo.ImportProperties;
import org.openecomp.core.tools.model.ColumnDefinition;
import org.openecomp.core.tools.model.TableData;
import org.openecomp.core.tools.util.Utils;
import org.openecomp.sdc.logging.api.Logger;
import org.openecomp.sdc.logging.api.LoggerFactory;
public class ExportSerializer {
private static final Logger logger = LoggerFactory.getLogger(ExportSerializer.class);
private static final String ELEMENT_TABLE_NAME = "element";
private static final String ELEMENT_INFO_COLUMN_NAME = "info";
public void serializeResult(final ResultSet resultSet, final Set<String> filteredItems, final String filteredColumn, Set<String> vlms) {
try {
TableData tableData = new TableData();
tableData.definitions = resultSet.getColumnDefinitions().asList().stream().map(ColumnDefinition::new).collect(Collectors.toList());
String table = tableData.definitions.iterator().next().getTable();
boolean isElementTable = table.equals(ELEMENT_TABLE_NAME);
Iterator<Row> iterator = resultSet.iterator();
iterator.forEachRemaining(row -> {
if (!filteredItems.contains(row.getString(filteredColumn))) {
return;
}
List<String> rowData = new ArrayList<>();
for (int i = 0; i < tableData.definitions.size(); i++) {
ColumnDefinition columnDefinition = tableData.definitions.get(i);
Name name = dataTypesMap.get(columnDefinition.getType());
boolean checkForVLM = isElementTable && columnDefinition.getName().equals(ELEMENT_INFO_COLUMN_NAME);
Object data = convertByType(vlms, row, i, name, checkForVLM);
rowData.add(data.toString());
}
tableData.rows.add(rowData);
});
ObjectMapper objectMapper = new ObjectMapper();
String fileName = ImportProperties.ROOT_DIRECTORY + File.separator + table + "_" + System.currentTimeMillis() + ".json";
objectMapper.writeValue(Paths.get(fileName).toFile(), tableData);
Utils.printMessage(logger, "File exported is :" + fileName);
} catch (IOException e) {
Utils.logError(logger, e);
System.exit(1);
}
}
private Object convertByType(Set<String> vlms, Row row, int i, Name name, boolean checkForVLM) {
Object data;
switch (name) {
case VARCHAR:
case TEXT:
case ASCII:
String string = row.getString(i);
if (string == null) {
string = NULL_REPRESENTATION;
}
if (checkForVLM && vlms != null) {
String vlm = extractVlm(string);
if (vlm != null) {
vlms.add(vlm);
}
}
data = Base64.getEncoder().encodeToString(string.getBytes());
break;
case BLOB:
ByteBuffer bytes = row.getBytes(i);
if (bytes == null) {
bytes = ByteBuffer.wrap("".getBytes());
}
data = Base64.getEncoder().encodeToString(bytes.array());
break;
case TIMESTAMP:
Date rowDate = row.getTimestamp(i);
if (rowDate != null) {
data = rowDate.getTime();
} else {
data = "";
}
break;
case BOOLEAN:
data = row.getBool(i);
break;
case COUNTER:
data = row.getLong(i);
break;
case INT:
data = row.getInt(i);
break;
case FLOAT:
data = row.getFloat(i);
break;
case SET:
Set<Object> set = (Set<Object>) row.getObject(i);
Object joined = set.stream().map(Object::toString).collect(Collectors.joining(ExportDataCommand.JOIN_DELIMITER));
data = Base64.getEncoder().encodeToString(joined.toString().getBytes());
break;
case MAP:
Map<Object, Object> map = (Map<Object, Object>) row.getObject(i);
Set<Map.Entry<Object, Object>> entrySet = map.entrySet();
Object mapAsString = entrySet.parallelStream().map(entry -> entry.getKey().toString() + ExportDataCommand.MAP_DELIMITER + entry.getValue().toString())
.collect(Collectors.joining(ExportDataCommand.JOIN_DELIMITER));
data = Base64.getEncoder().encodeToString(mapAsString.toString().getBytes());
break;
default:
throw new UnsupportedOperationException("Name is not supported :" + name);
}
return data;
}
protected String extractVlm(String inJson) {
if (StringUtils.isEmpty(inJson.trim())) {
return null;
}
JsonElement root;
try {
root = new JsonParser().parse(inJson);
} catch (JsonSyntaxException e) {
Utils.logError(logger, "Failed to parse json " + inJson, e);
return null;
}
if (root == null) {
return null;
}
JsonElement properties = root.getAsJsonObject().get("properties");
if (properties == null) {
return null;
}
JsonElement vendorId = properties.getAsJsonObject().get("vendorId");
if (vendorId == null) {
return null;
}
return vendorId.getAsString();
}
}
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