Change EmptyCursor to Kotlin

package com.fsck.k9.helper;

import android.database.AbstractCursor;

package com.fsck.k9.helper

import android.database.AbstractCursor

/**

 * A dummy class that provides a empty cursor

 * A dummy class that provides an empty cursor

 */

public class EmptyCursor extends AbstractCursor {

    @Override

    public int getCount() {

        return 0;

    }

class EmptyCursor : AbstractCursor() {

    override fun getCount() = 0

    @Override

    public String[] getColumnNames() {

        return new String[0];

    }

    override fun getColumnNames() = arrayOf<String>()

    @Override

    public String getString(int column) {

        return null;

    }

    override fun getString(column: Int) = null

    @Override

    public short getShort(int column) {

        return 0;

    }

    override fun getShort(column: Int): Short = 0

    @Override

    public int getInt(int column) {

        return 0;

    }

    override fun getInt(column: Int) = 0

    @Override

    public long getLong(int column) {

        return 0;

    }

    override fun getLong(column: Int): Long = 0

    @Override

    public float getFloat(int column) {

        return 0;

    }

    override fun getFloat(column: Int) = 0f

    @Override

    public double getDouble(int column) {

        return 0;

    }

    override fun getDouble(column: Int) = 0.0

    @Override

    public boolean isNull(int column) {

        return false;

    }

    override fun isNull(column: Int) = true

}