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package com.mapbox.mapboxsdk.style.functions.stops;
import java.util.Iterator;
/**
* Base class for {@link Stops} implementations with a collection of stops
*
* @param <I> the {@link Stops} input type
* @param <O> the {@link Stops} output type
* @param <S> the {@link Iterable} element type (usually {@link Stop})
*/
public abstract class IterableStops<I, O, S> extends Stops<I, O> implements Iterable<S> {
/**
* @return The size of the contained stops collection
*/
public abstract int size();
/**
* Convenience function to toValueObjects an array of stops to an array of value objects
*
* @param stops the stops to toValueObjects
* @return the stops as value objects
*/
Object[] toValueObjects(Stop<I, O>[] stops) {
if (stops != null) {
Object[] stopsValue = new Object[stops.length];
for (int i = 0; i < stopsValue.length; i++) {
Stop stop = stops[i];
stopsValue[i] = stop.toValueObject();
}
return stopsValue;
}
return null;
}
@Override
public String toString() {
StringBuilder buffer = new StringBuilder();
Iterator<S> iterator = iterator();
while (iterator.hasNext()) {
S stop = iterator.next();
buffer.append(stop);
if (iterator.hasNext()) {
buffer.append(",");
}
}
return String.format("%s: [%s]", super.toString(), buffer.toString());
}
}
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