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OBD Java API compatible with ELM327.

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/**
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.github.pires.obd.commands.engine;

import com.github.pires.obd.commands.PercentageObdCommand;
import com.github.pires.obd.enums.AvailableCommandNames;

/**
 * AbsoluteLoadCommand class.
 *
 */
public class AbsoluteLoadCommand extends PercentageObdCommand {

    /**
     * Default ctor.
     */
    public AbsoluteLoadCommand() {
        super("01 43");
    }

    /**
     * Copy ctor.
     *
     * @param other a {@link com.github.pires.obd.commands.engine.AbsoluteLoadCommand} object.
     */
    public AbsoluteLoadCommand(AbsoluteLoadCommand other) {
        super(other);
    }

    /** {@inheritDoc} */
    @Override
    protected void performCalculations() {
        // ignore first two bytes [hh hh] of the response
        int a = buffer.get(2);
        int b = buffer.get(3);
        percentage = (a * 256 + b) * 100 / 255;
    }

    /**
     * getRatio.
     *
     * @return a double.
     */
    public double getRatio() {
        return percentage;
    }

    /** {@inheritDoc} */
    @Override
    public String getName() {
        return AvailableCommandNames.ABS_LOAD.getValue();
    }

}