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1
3 package org.python.core;
4 import java.util.*;
5
6 class CollectionIter2 extends CollectionIter {
7 CollectionIter2() throws Exception  {
8 Class.forName("java.util.Collection");
9 }
10
11 PyObject findCollection(Object object) {
12 if (object instanceof Map) {
13 return new IteratorIter(((Map)object).keySet().iterator());
14 }
15 if (object instanceof Collection) {
16 return new IteratorIter(((Collection)object).iterator());
17 }
18 if (object instanceof Iterator) {
19 return new IteratorIter(((Iterator)object));
20 }
21
22 return null;
23 }
24 }
25
26 class IteratorIter extends CollectionIter {
27 private Iterator proxy;
28
29 public IteratorIter(Iterator proxy) {
30 this.proxy = proxy;
31 }
32
33 public PyObject __iternext__() {
34 if (!proxy.hasNext())
35 return null;
36 return Py.java2py(proxy.next());
37 }
38 }
39 |
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Java API By Example, From Geeks To Geeks.