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*
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* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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package jdk.nashorn.internal.runtime.arrays;
import java.lang.reflect.Array;
Iterator over a Java List.
/**
* Iterator over a Java List.
*/
class JavaArrayIterator extends ArrayLikeIterator<Object> {
Array to iterate over /** Array to iterate over */
protected final Object array;
length of array /** length of array */
protected final long length;
Constructor
Params: - array – array to iterate over
- includeUndefined – should undefined elements be included in iteration
/**
* Constructor
* @param array array to iterate over
* @param includeUndefined should undefined elements be included in iteration
*/
protected JavaArrayIterator(final Object array, final boolean includeUndefined) {
super(includeUndefined);
assert array.getClass().isArray() : "expecting Java array object";
this.array = array;
this.length = Array.getLength(array);
}
Is the current index still inside the array
Returns: true if inside the array
/**
* Is the current index still inside the array
* @return true if inside the array
*/
protected boolean indexInArray() {
return index < length;
}
@Override
public Object next() {
return Array.get(array, (int)bumpIndex());
}
@Override
public long getLength() {
return length;
}
@Override
public boolean hasNext() {
return indexInArray();
}
@Override
public void remove() {
throw new UnsupportedOperationException("remove");
}
}