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1
5 package org.exoplatform.services.grammar.wiki.impl;
6
7 import java.util.* ;
8 import org.exoplatform.container.configuration.ServiceConfiguration;
9 import org.exoplatform.services.log.LogUtil;
10 import net.sf.cglib.util.StringSwitcher;
11
16 public class TokenHandlerManager {
17 private TokenHandler[] handlers_ ;
18 private TokenHandler defaultHandler_ ;
19 private List monitors_ ;
20 private StringSwitcher switcher_ ;
21
23 public TokenHandlerManager(ServiceConfiguration sconf) {
24 Map map = initHandlers(sconf) ;
25 defaultHandler_ = (TokenHandler) map.get(Token.DEFAULT_TOKEN) ;
26 handlers_ = new TokenHandler[map.size()] ;
27 String  [] keys = new String [map.size()] ;
28 int[] index = new int[map.size()] ;
29 int counter = 0 ;
30 Iterator i = map.entrySet().iterator() ;
31 while(i.hasNext()) {
32 Map.Entry entry = (Map.Entry)i.next() ;
33 handlers_[counter] = (TokenHandler) entry.getValue() ;
34 keys[counter] = (String ) entry.getKey() ;
35 index[counter] = counter ;
36 counter++ ;
37 }
38 switcher_ = StringSwitcher.create(keys, index, false) ;
39 monitors_ = new ArrayList() ;
40 }
41
42 private Map initHandlers(ServiceConfiguration sconf) {
43 ExtMap map = new ExtMap() ;
44 List handlers = sconf.getValuesParam("token.handlers").getValues() ;
45 for(int i = 0; i < handlers.size(); i++) {
46 String handler = (String ) handlers.get(i) ;
47 try {
48 Class clazz = Class.forName(handler) ;
49 TokenHandler thandler = (TokenHandler)clazz.newInstance() ;
50 map.put(thandler) ;
51 } catch (Exception ex) {
52 LogUtil.getLog(getClass()).error("create handler", ex) ;
53 }
54 }
55 return map ;
56 }
57
58 public void reinit(ParsingContext context) {
59 for(int i = 0; i < monitors_.size(); i++) {
60 TokenHandler handler = (TokenHandler) monitors_.get(i) ;
61 handler.reinit(context) ;
62 }
63 monitors_.clear();
64 }
65
66 public void addMonitor(TokenHandler handler) {
67 if(monitors_.contains(handler)) return ;
68 monitors_.add(handler) ;
69 }
70
71 public void removeMonitor(TokenHandler handler) {
72 monitors_.remove(handler) ;
73 }
74
75 public Token handleToken(Token parent, Token token, ParsingContext context) {
76 int index = switcher_.intValue(token.getTokenType()) ;
77 if(index < 0) {
78 return defaultHandler_.handleToken(parent, token, context) ;
79 }
80 return handlers_[index].handleToken(parent, token, context) ;
81 }
82
83 class ExtMap extends HashMap {
84 public void put(TokenHandler handler) {
85 String [] key = handler.getHandleableTokenType() ;
86 for(int i = 0; i < key.length; i++) {
87 put(key[i], handler) ;
88 }
89 }
90 }
91 } |
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