package liquibase.parser.core.xml;
import liquibase.changelog.ChangeLogParameters;
import liquibase.changelog.ChangeSet;
import liquibase.changelog.DatabaseChangeLog;
import liquibase.exception.ChangeLogParseException;
import liquibase.parser.ChangeLogParser;
import liquibase.parser.core.ParsedNode;
import liquibase.resource.ResourceAccessor;
import java.text.ParseException;
public abstract class AbstractChangeLogParser implements ChangeLogParser {
@Override
public DatabaseChangeLog parse(String physicalChangeLogLocation, ChangeLogParameters changeLogParameters, ResourceAccessor resourceAccessor) throws ChangeLogParseException {
ParsedNode parsedNode = parseToNode(physicalChangeLogLocation, changeLogParameters, resourceAccessor);
if (parsedNode == null) {
return null;
}
DatabaseChangeLog changeLog = new DatabaseChangeLog(physicalChangeLogLocation);
changeLog.setChangeLogParameters(changeLogParameters);
try {
changeLog.load(parsedNode, resourceAccessor);
} catch (Exception e) {
throw new ChangeLogParseException(e);
}
return changeLog;
}
protected abstract ParsedNode parseToNode(String physicalChangeLogLocation, ChangeLogParameters changeLogParameters, ResourceAccessor resourceAccessor) throws ChangeLogParseException;
}