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package org.openecomp.sdc.tosca.parser.impl;
import org.openecomp.sdc.tosca.parser.api.ConformanceLevel;
import org.openecomp.sdc.tosca.parser.api.ISdcCsarHelper;
import org.openecomp.sdc.tosca.parser.config.*;
import org.openecomp.sdc.tosca.parser.exceptions.SdcToscaParserException;
import org.openecomp.sdc.tosca.parser.utils.GeneralUtility;
import org.openecomp.sdc.toscaparser.api.ToscaTemplate;
import org.openecomp.sdc.toscaparser.api.common.JToscaException;
import org.openecomp.sdc.toscaparser.api.utils.JToscaErrorCodes;
public class SdcToscaParserFactory {
private static volatile SdcToscaParserFactory instance;
private static Configuration configuration;
private static ErrorConfiguration errorConfiguration;
private SdcToscaParserFactory() {
}
/**
* Get an SdcToscaParserFactory instance.
* @return SdcToscaParserFactory instance.
*/
public static SdcToscaParserFactory getInstance() {
if (instance == null) {
synchronized (SdcToscaParserFactory.class) {
if (instance == null) {
instance = new SdcToscaParserFactory();
configuration = ConfigurationManager.getInstance().getConfiguration();
errorConfiguration = ConfigurationManager.getInstance().getErrorConfiguration();
}
}
}
return instance;
}
/**
* Get an ISdcCsarHelper object for this CSAR file.
*
* @param csarPath - the absolute path to CSAR file.
* @return ISdcCsarHelper object.
* @throws SdcToscaParserException - in case the path or CSAR are invalid.
*/
public ISdcCsarHelper getSdcCsarHelper(String csarPath) throws SdcToscaParserException {
synchronized (SdcToscaParserFactory.class) {
ToscaTemplate tosca = null;
try {
tosca = new ToscaTemplate(csarPath, null, true, null);
} catch (JToscaException e) {
throwSdcToscaParserException(e);
}
SdcCsarHelperImpl sdcCsarHelperImpl = new SdcCsarHelperImpl(tosca);
validateCsarVersion(sdcCsarHelperImpl.getConformanceLevel());
return sdcCsarHelperImpl;
}
}
private void validateCsarVersion(String cSarVersion) throws SdcToscaParserException {
ConformanceLevel level = configuration.getConformanceLevel();
String minVersion = level.getMinVersion();
String maxVersion = level.getMaxVersion();
if (cSarVersion != null) {
if ((GeneralUtility.conformanceLevelCompare(cSarVersion, minVersion) < 0) || (GeneralUtility.conformanceLevelCompare(cSarVersion, maxVersion) > 0)) {
throwConformanceLevelException(minVersion, maxVersion);
}
} else {
throwConformanceLevelException(minVersion, maxVersion);
}
}
private void throwConformanceLevelException(String minVersion, String maxVersion) throws SdcToscaParserException {
ErrorInfo errorInfo = errorConfiguration.getErrorInfo(SdcToscaParserErrors.CONFORMANCE_LEVEL_ERROR.toString());
throw new SdcToscaParserException(String.format(errorInfo.getMessage(), minVersion, maxVersion), errorInfo.getCode());
}
private void throwSdcToscaParserException(JToscaException e) throws SdcToscaParserException {
ErrorInfo errorInfo = errorConfiguration.getErrorInfo(SdcToscaParserErrors.getSdcErrorByJToscaError(JToscaErrorCodes.getByCode(e.getCode())).toString());
throw new SdcToscaParserException(errorInfo.getMessage(), errorInfo.getCode());
}
}
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