feddatabase/src/main/java/hsfulda/de/FedResultSet.java

package hsfulda.de;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.HashMap;

public class FedResultSet implements FedResultSetInterface {
	private FedStatement fedStatement;
	private HashMap<Integer, ResultSet> resultSets = new HashMap<Integer, ResultSet>();

	public FedResultSet(FedStatement fedStatement) {
		this.fedStatement = fedStatement;
	}

	public FedStatement getStatement() {
		return fedStatement;
	}

	public boolean next() throws FedException {
		try {
			for (Object i : resultSets.keySet()) {
				if (resultSets.get(i).next())
					return true;
			}
		} catch (SQLException sqlException) {
			throw new FedException(sqlException);
		}
		return false;
	}

	public String getString(int columnIndex) throws FedException {
		try {
			for (Object i : resultSets.keySet()) {
				if (!resultSets.get(i).isAfterLast())
					return resultSets.get(i).getString(columnIndex);
			}
		} catch (SQLException sqlException) {
			throw new FedException(sqlException);
		}
		return null;
	}

	public int getInt(int columnIndex) throws FedException {
		try {
			for (Object i : resultSets.keySet()) {
				if (!resultSets.get(i).isAfterLast())
					return resultSets.get(i).getInt(columnIndex);
			}
		} catch (SQLException sqlException) {
			throw new FedException(sqlException);
		}
		return 0;
	}

	public void close() throws FedException {
		try {
			for (Object i : resultSets.keySet()) {
				resultSets.get(i).close();
			}
		} catch (SQLException sqlException) {
			throw new FedException(sqlException);
		}
	}

	public int getColumnCount() throws FedException {
		try {
			return resultSets.get(0).getMetaData().getColumnCount();
		} catch (SQLException sqlException) {
			throw new FedException(sqlException);
		}
	}

	public String getColumnName(int index) throws FedException {
		try {
			return resultSets.get(0).getMetaData().getColumnName(index);
		} catch (SQLException sqlException) {
			throw new FedException(sqlException);
		}
	}

	public int getColumnType(int index) throws FedException {
		try {
			return resultSets.get(0).getMetaData().getColumnType(index);
		} catch (SQLException sqlException) {
			throw new FedException(sqlException);
		}
	}

	public void setResultSet(int index, ResultSet resultSet) {
		resultSets.put(index, resultSet);
	}
}