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1
4 package org.python.core;
5
6 import java.util.*;
7 import java.io.File  ;
8
9
12
13 public class PyJavaPackage extends PyObject {
14 public String __name__;
15
16
17 public PyStringMap __dict__;
18
22 public PyStringMap clsSet;
23 public String __file__;
24
26
28 public PackageManager __mgr__;
29
30 public PyJavaPackage(String name) {
31 this(name, null, null);
32 }
33
34 public PyJavaPackage(String name,String jarfile) {
35 this(name, null, jarfile);
36 }
37
38 public PyJavaPackage(String name,PackageManager mgr) {
39 this(name, mgr, null);
40 }
41
42
43 public PyJavaPackage(String name,PackageManager mgr,String jarfile) {
44 __file__ = jarfile;
45 __name__ = name;
46
47 if( mgr == null )
48 __mgr__ = PySystemState.packageManager; else
50 __mgr__ = mgr;
51
52 clsSet= new PyStringMap();
53
54 __dict__ = new PyStringMap();
55 __dict__.__setitem__("__name__", new PyString(__name__));
56 }
57
58 public PyJavaPackage addPackage(String name) {
59 return addPackage(name, null);
60 }
61
62 public PyJavaPackage addPackage(String name, String jarfile) {
63 int dot = name.indexOf('.');
64 String firstName=name;
65 String lastName=null;
66 if (dot != -1) {
67 firstName = name.substring(0,dot);
68 lastName = name.substring(dot+1, name.length());
69 }
70 firstName = firstName.intern();
71 PyJavaPackage p = (PyJavaPackage)__dict__.__finditem__(firstName);
72 if (p == null) {
73 String pname = __name__.length() == 0 ?
74 firstName : __name__+'.'+firstName;
75 p = new PyJavaPackage(pname, __mgr__, jarfile);
76 __dict__.__setitem__(firstName, p);
77 } else {
78 if (jarfile == null || !jarfile.equals(p.__file__))
81 p.__file__ = null;
82 }
83 if (lastName != null) return p.addPackage(lastName, jarfile);
84 else return p;
85 }
86
87 public PyObject addClass(String name,Class c) {
88 PyObject ret = Py.java2py(c);
92 __dict__.__setitem__(name.intern(), ret);
93 return ret;
94 }
95
96 public PyObject addLazyClass(String name) {
97 PyObject ret = PyJavaClass.lookup(__name__+'.'+name,__mgr__);
99 __dict__.__setitem__(name.intern(), ret);
100 return ret;
101 }
102
103
106 public void addPlaceholders(String classes) {
107 StringTokenizer tok = new StringTokenizer(classes, ",@");
108 while (tok.hasMoreTokens()) {
109 String p = tok.nextToken();
110 String name = p.trim().intern();
111 if (clsSet.__finditem__(name) == null)
112 clsSet.__setitem__(name, Py.One);
113 }
114 }
115
116 public PyObject __dir__() {
117 return __mgr__.doDir(this,false,false);
118 }
119
120
129 public PyObject fillDir() {
130 return __mgr__.doDir(this,true,false);
131 }
132
133
134 public PyObject __findattr__(String name) {
135
136 PyObject ret = __dict__.__finditem__(name);
137 if (ret != null) return ret;
138
139 if (__mgr__.packageExists(__name__,name)) {
140 __mgr__.notifyPackageImport(__name__,name);
141 return addPackage(name);
142 }
143
144 Class c = __mgr__.findClass(__name__,name);
145 if (c != null) return addClass(name,c);
146
147 if (name == "__name__") return new PyString(__name__);
148 if (name == "__dict__") return __dict__;
149 if (name == "__mgr__") return Py.java2py(__mgr__);
150 if (name == "__file__") {
151 if (__file__ != null) return new PyString(__file__);
152
153 return Py.None;
154 }
155
156 return null;
157 }
158
159 public void __setattr__(String attr, PyObject value) {
160 if (attr == "__mgr__") {
161 PackageManager newMgr = (PackageManager)Py.tojava(value,
162 PackageManager.class);
163 if (newMgr == null) {
164 throw Py.TypeError("cannot set java package __mgr__ to None");
165 }
166 __mgr__ = newMgr;
167 return;
168 }
169 if (attr == "__file__") {
170 __file__ = value.__str__().toString();
171 return;
172 }
173
174 super.__setattr__(attr,value);
175 }
176
177 public String toString() {
178 return "<java package "+__name__+" "+Py.idstr(this)+">";
179 }
180
181
182
185 public String safeRepr() throws PyIgnoreMethodTag {
186 return "java package '"+__name__+"'";
187 }
188
189 }
190 |
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