/**
* Copyright 2007 Charlie Hubbard
*
* 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 flexjson;
import java.util.Iterator;
import java.util.Set;
public class ChainedIterator implements Iterator {
Iterator[] iterators;
int current = 0;
public ChainedIterator(Set... sets) {
iterators = new Iterator[sets.length];
for (int i = 0; i < sets.length; i++) {
iterators[i] = sets[i].iterator();
}
}
public boolean hasNext() {
if (iterators[current].hasNext()) {
return true;
} else {
current++;
return current < iterators.length && iterators[current].hasNext();
}
}
public Object next() {
return iterators[current].next();
}
public void remove() {
iterators[current].remove();
}
}
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