Java Utililty Methods Iterator from

Iterable createIntegerIterator(int start)
create Integer Iterator

return new Iterable<Integer>() {
 @Override
 public Iterator<Integer> iterator() {
 return new Iterator<Integer>() {
 private int counter = start;
 @Override
 public boolean hasNext() {
 return counter < Integer.MAX_VALUE;
...

Iterable createIterable(final Iterator src)
create Iterable

return new Iterable<X>() {
 public Iterator<X> iterator() {
 return src;
};

T get(Iterator iterator, int position)
get

for (int i = 0; i < position; i++) {
 iterator.next();
return iterator.next();

void getAll(Iterator it)
Gets all the elements from an iterator and does nothing with them.

while (it.hasNext())
 it.next();

T getAt(Iterator it, int pos)
get At

T val = null;
for (int i = 0; i <= pos; i++)
 val = it.next();
return val;

String getCommaSeparatedValue(Iterator it)
get Comma Separated Value

boolean first = true;
StringBuffer result = new StringBuffer();
while (it.hasNext()) {
 if (first) {
 first = false;
 } else {
 result.append(","); 
 result.append(it.next());
return result.toString();

ImageTypeSpecifier getDestinationType(ImageReadParam param, Iterator imageTypes)
Gets the destination image type.

if (imageTypes == null || !imageTypes.hasNext()) {
 throw new IllegalArgumentException("imageTypes null or empty!");
ImageTypeSpecifier imageType = null;
if (param != null) {
 imageType = param.getDestinationType();
if (imageType == null) {
...

Iterator getEmptyIterator()
Returns an empty iterator

return new Iterator<T>() {
 @Override
 public boolean hasNext() {
 return false;
 @Override
 public T next() {
 if (!hasNext())
...

int getEnumeratedObjectCount(Iterator objects)
Gets the enumerated object count.

int count = 0;
while (objects != null && objects.hasNext()) {
 @SuppressWarnings("unused")
 Object obj = objects.next();
 count++;
return count;

Iterator getFirstChildrendIterator(List children)
Return an iterator to the first children of a list

if (children != null)
 return children.iterator();
return null;