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8
9 package org.python.core;
10 import java.util.*;
11
12 class CollectionProxy2 extends CollectionProxy
13 {
14 public CollectionProxy instanceFindCollection(Object  object) {
15 if (object instanceof List) {
16 return new ListProxy(((List)object));
17 }
18 if (object instanceof Map) {
19 return new MapProxy(((Map)object));
20 }
21 if (object instanceof Collection) {
22 return new IteratorProxy(((Collection)object).iterator());
23 }
24 if (object instanceof Iterator) {
25 return new IteratorProxy(((Iterator)object));
26 }
27
28 return null;
29 }
30 }
31
32 class ListProxy extends CollectionProxy
33 {
34 List proxy;
35
36 public ListProxy(List proxy) {
37 this.proxy = proxy;
38 }
39
40 public int __len__() {
41 return proxy.size();
42 }
43
44 public PyObject __finditem__(int key) {
45 try {
46 return Py.java2py(proxy.get(key));
47 } catch (IndexOutOfBoundsException exc) {
48 return null;
49 }
50 }
51
52 public PyObject __finditem__(PyObject key) {
53 if (key instanceof PyInteger) {
54 return __finditem__(((PyInteger)key).getValue());
55 } else {
56 throw Py.TypeError("only integer keys accepted");
57 }
58 }
59
60 public void __setitem__(int key, PyObject value) {
61 proxy.set(key, Py.tojava(value, Object .class));
62 }
63
64 public void __setitem__(PyObject key, PyObject value) {
65 if (key instanceof PyInteger) {
66 __setitem__(((PyInteger)key).getValue(), value);
67 } else {
68 throw Py.TypeError("only integer keys accepted");
69 }
70 }
71
72 public void __delitem__(int key) {
73 proxy.remove(key);
74 }
75
76 public void __delitem__(PyObject key) {
77 if (key instanceof PyInteger) {
78 __delitem__(((PyInteger)key).getValue());
79 } else {
80 throw Py.TypeError("only integer keys accepted");
81 }
82 }
83 }
84
85 class MapProxy extends CollectionProxy
86 {
87 Map proxy;
88
89 public MapProxy(Map proxy) {
90 this.proxy = proxy;
91 }
92
93 public int __len__() {
94 return proxy.size();
95 }
96
97 public PyObject __finditem__(int key) {
98 throw Py.TypeError("loop over non-sequence");
99 }
100
101 public PyObject __finditem__(PyObject key) {
102 return Py.java2py(proxy.get(Py.tojava(key, Object .class)));
103 }
104
105 public void __setitem__(PyObject key, PyObject value) {
106 proxy.put(Py.tojava(key, Object .class),
107 Py.tojava(value, Object .class));
108 }
109
110 public void __delitem__(PyObject key) {
111 proxy.remove(Py.tojava(key, Object .class));
112 }
113 }
114
115
116 class IteratorProxy extends CollectionProxy
117 {
118 Iterator proxy;
119 int counter;
120
121 public IteratorProxy(Iterator proxy) {
122 this.proxy = proxy;
123 counter=0;
124 }
125
126 public PyObject __finditem__(int key) {
127 if (key != counter) {
128 throw Py.ValueError(
129 "iterator indices must be consecutive ints starting at 0");
130 }
131 counter++;
132 if (proxy.hasNext()) {
133 return Py.java2py(proxy.next());
134 } else {
135 return null;
136 }
137 }
138
139 public PyObject __finditem__(PyObject key) {
140 if (key instanceof PyInteger) {
141 return __finditem__(((PyInteger)key).getValue());
142 } else {
143 throw Py.TypeError("only integer keys accepted");
144 }
145 }
146 }
147 |
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