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1 package jfun.yan.xml.nuts;
2
3 import java.util.ArrayList  ;
4 import java.util.HashMap ;
5
6 import java.util.List ;
7 import jfun.yan.Component;
8 import jfun.yan.Monad;
9 import jfun.yan.xml.nut.ComponentNut;
10
11
17 public abstract class EntriesNut extends ComponentNut {
18 private final HashMap components = new HashMap ();
19 private final ArrayList keys = new ArrayList ();
20 private Class of;
21 private Class key_type;
22
23 public Class getKey_type() {
24 return key_type;
25 }
26 public void setKey_type(Class key_type) {
27 this.key_type = key_type;
28 }
29 public void setOf(Class of){
30 this.of = of;
31 }
32 public Class getOf(){
33 return of;
34 }
35 public void addEntry(MapEntry entry){
36 Object key = entry.getKey();
37 if(key_type!=null){
38 key = entry.convert(key_type, key);
39 }
40 if(components.containsKey(key)){
41 raise("duplicate key: "+key);
42 }
43 keys.add(key);
44 components.put(key, entry);
45 }
46 public List getKeys(){
47 return keys;
48 }
49 public Component[] getEntryComponents(){
50 final int sz = keys.size();
51 final Component[] vals = new Component[sz];
52 for(int i=0; i<sz; i++){
53 final Object key = keys.get(i);
54 final MapEntry entry = (MapEntry)components.get(key);
55 Component val = entry.getVal(Object .class);
56 final Component def = entry.getDefault(Object .class);
57 if(def!=null){
58 val = Monad.mplus(val, def);
59 }
60 vals[i] = (of==null)?val:Util.convert(entry, of, val);
61 }
62 return vals;
63 }
64
65 }
66 |
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Java API By Example, From Geeks To Geeks.