1 |
|
|
2 |
|
|
3 |
|
|
4 |
|
|
5 |
|
|
6 |
|
|
7 |
|
|
8 |
|
|
9 |
|
|
10 |
|
|
11 |
|
|
12 |
|
|
13 |
|
|
14 |
|
|
15 |
|
|
16 |
|
|
17 |
|
|
18 |
|
|
19 |
|
package tsukuba_bunko.resource; |
20 |
|
|
21 |
|
import java.io.IOException; |
22 |
|
|
23 |
|
import java.net.URL; |
24 |
|
|
25 |
|
import java.util.Iterator; |
26 |
|
import java.util.List; |
27 |
|
|
28 |
|
import javax.xml.parsers.ParserConfigurationException; |
29 |
|
import javax.xml.parsers.SAXParserFactory; |
30 |
|
|
31 |
|
import org.xml.sax.Attributes; |
32 |
|
import org.xml.sax.ContentHandler; |
33 |
|
import org.xml.sax.Locator; |
34 |
|
import org.xml.sax.SAXException; |
35 |
|
import org.xml.sax.XMLReader; |
36 |
|
|
37 |
|
|
38 |
|
|
39 |
|
|
40 |
|
|
41 |
|
|
42 |
|
|
43 |
|
|
44 |
|
public class ResourceLoader implements ContentHandler { |
45 |
|
|
46 |
|
|
47 |
|
|
48 |
|
|
49 |
65 |
private XMLReader _parser = null; |
50 |
|
|
51 |
|
|
52 |
|
|
53 |
|
|
54 |
65 |
private DeserializerMapping _mapping = DeserializerMapping.newInstance(); |
55 |
|
|
56 |
|
|
57 |
|
|
58 |
|
|
59 |
65 |
private ResourceDeserializer _currentDeserializer = null; |
60 |
|
|
61 |
|
|
62 |
|
|
63 |
|
|
64 |
65 |
private int _level = 0; |
65 |
|
|
66 |
|
|
67 |
|
|
68 |
|
|
69 |
65 |
private List _stack = null; |
70 |
|
|
71 |
|
|
72 |
|
|
73 |
|
|
74 |
65 |
private StringBuffer _text = null; |
75 |
|
|
76 |
|
|
77 |
|
|
78 |
|
|
79 |
|
|
80 |
65 |
private Resources _resources = null; |
81 |
|
|
82 |
|
|
83 |
|
|
84 |
|
|
85 |
|
|
86 |
|
|
87 |
|
|
88 |
|
public ResourceLoader() |
89 |
|
throws ParserConfigurationException, SAXException |
90 |
|
{ |
91 |
65 |
super(); |
92 |
|
|
93 |
65 |
SAXParserFactory factory = SAXParserFactory.newInstance(); |
94 |
65 |
factory.setNamespaceAware( true ); |
95 |
65 |
_parser = factory.newSAXParser().getXMLReader(); |
96 |
65 |
_parser.setContentHandler( this ); |
97 |
65 |
} |
98 |
|
|
99 |
|
|
100 |
|
|
101 |
|
|
102 |
|
|
103 |
|
|
104 |
|
public void setDeserializerMapping( DeserializerMapping mapping ) |
105 |
|
{ |
106 |
0 |
_mapping = mapping; |
107 |
0 |
} |
108 |
|
|
109 |
|
|
110 |
|
|
111 |
|
|
112 |
|
|
113 |
|
public DeserializerMapping getDeserializerMapping() |
114 |
|
{ |
115 |
0 |
return _mapping; |
116 |
|
} |
117 |
|
|
118 |
|
|
119 |
|
|
120 |
|
|
121 |
|
|
122 |
|
|
123 |
|
public void loadResource( URL resourceURL, Resources resources ) |
124 |
|
throws IOException, IllegalResourceException |
125 |
|
{ |
126 |
|
try { |
127 |
65 |
_resources = resources; |
128 |
65 |
_parser.parse( resourceURL.toString() ); |
129 |
40 |
_resources = null; |
130 |
|
} |
131 |
25 |
catch( SAXException se ) { |
132 |
25 |
throw new IllegalResourceException( se ); |
133 |
40 |
} |
134 |
40 |
} |
135 |
|
|
136 |
|
|
137 |
|
|
138 |
|
|
139 |
|
|
140 |
|
|
141 |
|
|
142 |
|
|
143 |
|
|
144 |
|
protected ResourceDeserializer getResourceDeserializer( String namespaceURI, String localName, String qName, Attributes attrs ) |
145 |
|
throws SAXException |
146 |
|
{ |
147 |
475 |
if( _mapping == null ) { |
148 |
0 |
return null; |
149 |
|
} |
150 |
|
|
151 |
475 |
String dataType = attrs.getValue( "type" ); |
152 |
475 |
if( dataType != null ) { |
153 |
120 |
ResourceDeserializer deserializer = _mapping.getResourceDeserializer( dataType ); |
154 |
120 |
if( deserializer == null ) { |
155 |
0 |
throw new SAXException( "no deserializer for \"" + dataType + "\"" ); |
156 |
|
} |
157 |
120 |
return deserializer; |
158 |
|
} |
159 |
|
else { |
160 |
355 |
return null; |
161 |
|
} |
162 |
|
} |
163 |
|
|
164 |
|
|
165 |
|
|
166 |
|
|
167 |
|
|
168 |
|
protected String getCurrentPath() |
169 |
|
{ |
170 |
140 |
StringBuffer buffer = new StringBuffer(); |
171 |
140 |
Iterator itr = _stack.iterator(); |
172 |
140 |
if( itr.hasNext() ) { |
173 |
140 |
itr.next(); |
174 |
|
} |
175 |
|
|
176 |
140 |
if( itr.hasNext() ) { |
177 |
140 |
buffer.append( itr.next() ); |
178 |
|
} |
179 |
595 |
while( itr.hasNext() ) { |
180 |
455 |
buffer.append( "." ); |
181 |
455 |
buffer.append( itr.next() ); |
182 |
455 |
} |
183 |
140 |
return new String(buffer); |
184 |
|
} |
185 |
|
|
186 |
|
|
187 |
|
|
188 |
|
|
189 |
|
|
190 |
|
public void setDocumentLocator( Locator locator ) |
191 |
|
{ |
192 |
65 |
} |
193 |
|
|
194 |
|
public void startPrefixMapping( String namespaceURI, String prefix ) |
195 |
|
throws SAXException |
196 |
|
{ |
197 |
65 |
if( _currentDeserializer != null ) { |
198 |
0 |
_currentDeserializer.startPrefixMapping( namespaceURI, prefix ); |
199 |
|
} |
200 |
65 |
} |
201 |
|
|
202 |
|
public void endPrefixMapping( String namespaceURI ) |
203 |
|
throws SAXException |
204 |
|
{ |
205 |
40 |
if( _currentDeserializer != null ) { |
206 |
0 |
_currentDeserializer.endPrefixMapping( namespaceURI ); |
207 |
|
} |
208 |
40 |
} |
209 |
|
|
210 |
|
public void startDocument() |
211 |
|
{ |
212 |
65 |
_stack = new java.util.ArrayList(); |
213 |
65 |
if( _mapping == null ) { |
214 |
0 |
_mapping = DeserializerMapping.newInstance(); |
215 |
|
} |
216 |
65 |
} |
217 |
|
|
218 |
|
public void endDocument() |
219 |
|
{ |
220 |
40 |
_stack = null; |
221 |
40 |
} |
222 |
|
|
223 |
|
public void startElement( String namespaceURI, String localName, String qName, Attributes attrs ) |
224 |
|
throws SAXException |
225 |
|
{ |
226 |
565 |
if( _currentDeserializer != null ) { |
227 |
90 |
_level++; |
228 |
90 |
_currentDeserializer.startElement( namespaceURI, localName, qName, attrs ); |
229 |
70 |
} |
230 |
|
else { |
231 |
475 |
_stack.add( qName ); |
232 |
|
|
233 |
475 |
ResourceDeserializer deserializer = getResourceDeserializer( namespaceURI, localName, qName, attrs ); |
234 |
475 |
if( deserializer != null ) { |
235 |
120 |
_currentDeserializer = deserializer; |
236 |
120 |
deserializer.setDeserializerMapping( _mapping ); |
237 |
120 |
_level++; |
238 |
120 |
deserializer.startDocument(); |
239 |
120 |
deserializer.startElement( namespaceURI, localName, qName, attrs ); |
240 |
120 |
} |
241 |
|
else { |
242 |
355 |
_text = new StringBuffer(); |
243 |
|
} |
244 |
|
} |
245 |
545 |
} |
246 |
|
|
247 |
|
public void endElement( String namespaceURI, String localName, String qName ) |
248 |
|
throws SAXException |
249 |
|
{ |
250 |
410 |
if( _currentDeserializer != null ) { |
251 |
170 |
_level--; |
252 |
170 |
_currentDeserializer.endElement( namespaceURI, localName, qName ); |
253 |
165 |
if( _level == 0 ) { |
254 |
95 |
_currentDeserializer.endDocument(); |
255 |
95 |
_resources.setResource( getCurrentPath(), _currentDeserializer.getValue() ); |
256 |
95 |
_stack.remove( _stack.size() - 1 ); |
257 |
95 |
_currentDeserializer = null; |
258 |
95 |
_currentDeserializer = null; |
259 |
95 |
} |
260 |
|
} |
261 |
240 |
else if( _text != null ) { |
262 |
45 |
_resources.setResource( getCurrentPath(), new String(_text) ); |
263 |
45 |
_stack.remove( _stack.size() - 1 ); |
264 |
45 |
} |
265 |
|
else { |
266 |
195 |
_stack.remove( _stack.size() - 1 ); |
267 |
|
} |
268 |
405 |
_text = null; |
269 |
405 |
} |
270 |
|
|
271 |
|
public void processingInstruction( String target, String data ) |
272 |
|
throws SAXException |
273 |
|
{ |
274 |
0 |
if( _currentDeserializer != null ) { |
275 |
0 |
_currentDeserializer.processingInstruction( target, data ); |
276 |
|
} |
277 |
0 |
} |
278 |
|
|
279 |
|
public void skippedEntity( String name ) |
280 |
|
throws SAXException |
281 |
|
{ |
282 |
0 |
if( _currentDeserializer != null ) { |
283 |
0 |
_currentDeserializer.skippedEntity( name ); |
284 |
|
} |
285 |
0 |
} |
286 |
|
|
287 |
|
public void characters( char[] ch, int begin, class="keyword">int length ) |
288 |
|
throws SAXException |
289 |
|
{ |
290 |
910 |
if( _currentDeserializer != null ) { |
291 |
260 |
_currentDeserializer.characters( ch, begin, length ); |
292 |
260 |
} |
293 |
650 |
else if( _text != null ) { |
294 |
355 |
_text.append( ch, begin, length ); |
295 |
|
} |
296 |
910 |
} |
297 |
|
|
298 |
|
public void ignorableWhitespace( char[] ch, int begin, class="keyword">int length ) |
299 |
|
throws SAXException |
300 |
|
{ |
301 |
0 |
if( _currentDeserializer != null ) { |
302 |
0 |
_currentDeserializer.ignorableWhitespace( ch, begin, length ); |
303 |
|
} |
304 |
0 |
} |
305 |
|
} |