org.cassandraunit.dataset.yaml.AbstractYamlDataSet Maven / Gradle / Ivy

Go to download
package org.cassandraunit.dataset.yaml;

import org.cassandraunit.dataset.DataSet;
import org.cassandraunit.dataset.ParseException;
import org.cassandraunit.dataset.commons.AbstractCommonsParserDataSet;
import org.cassandraunit.dataset.commons.ParsedKeyspace;
import org.yaml.snakeyaml.Yaml;
import org.yaml.snakeyaml.error.YAMLException;

import java.io.InputStream;

public abstract class AbstractYamlDataSet extends AbstractCommonsParserDataSet implements DataSet {

    private String dataSetLocation = null;

    public AbstractYamlDataSet(String dataSetLocation) {
        this.dataSetLocation = dataSetLocation;
        if (getInputDataSetLocation(dataSetLocation) == null) {
            throw new ParseException("Dataset not found");
        }
    }

    @Override
    protected ParsedKeyspace getParsedKeyspace() {
        InputStream inputDataSetLocation = getInputDataSetLocation(dataSetLocation);
        if (inputDataSetLocation == null) {
            throw new ParseException("Dataset not found in classpath");
        }

        Yaml yaml = new Yaml();
        try {
            ParsedKeyspace keyspace = yaml.loadAs(inputDataSetLocation, ParsedKeyspace.class);
            return keyspace;
        } catch (YAMLException e) {
            throw new ParseException(e);
        }
    }

    protected abstract InputStream getInputDataSetLocation(String dataSetLocation);

}