cucumber.table.xstream.ListOfListOfSingleValueReader Maven / Gradle / Ivy

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package cucumber.table.xstream;

import com.thoughtworks.xstream.converters.ErrorWriter;
import com.thoughtworks.xstream.io.AbstractReader;

import java.util.Iterator;
import java.util.List;

/**
 *  * 
 *   
 *     100
 *   
 *   
 *     100
 *   
 * 
 * 
 */
public class ListOfListOfSingleValueReader extends AbstractReader {
    private int depth = 0;
    private Iterator> rowIterator;
    private Iterator cellIterator;
    private String cell;
    private final Class elementType;

    public ListOfListOfSingleValueReader(Class elementType, List> rows) {
        this.elementType = elementType;
        rowIterator = rows.iterator();
    }

    @Override
    public boolean hasMoreChildren() {
        switch (depth) {
            case 0:
                return rowIterator.hasNext();
            case 1:
                return cellIterator.hasNext();
            case 2:
                return false;
            default:
                throw new IllegalStateException("Depth is " + depth);
        }
    }

    @Override
    public void moveDown() {
        depth++;
        switch (depth) {
            case 1:
                cellIterator = rowIterator.next().iterator();
                break;
            case 2:
                cell = cellIterator.next();
                break;
            default:
                throw new IllegalStateException("Depth is " + depth);
        }
    }

    @Override
    public void moveUp() {
        depth--;
    }

    @Override
    public String getNodeName() {
        switch (depth) {
            case 0:
            case 1:
                return "list";
            case 2:
                return elementType.getName();
            default:
                throw new IllegalStateException("Depth is " + depth);
        }
    }

    @Override
    public String getValue() {
        return cell;
    }

    @Override
    public String getAttribute(String name) {
        return null;
    }

    @Override
    public String getAttribute(int index) {
        throw new UnsupportedOperationException();
    }

    @Override
    public int getAttributeCount() {
        throw new UnsupportedOperationException();
    }

    @Override
    public String getAttributeName(int index) {
        throw new UnsupportedOperationException();
    }

    @Override
    public Iterator getAttributeNames() {
        throw new UnsupportedOperationException();
    }

    @Override
    public void appendErrors(ErrorWriter errorWriter) {
    }

    @Override
    public void close() {
        throw new UnsupportedOperationException();
    }
}