|
1 package org.sapia.gumby.factory;
2
3 import java.util.List  ;
4
5 import org.sapia.gumby.RenderContext;
6 import org.sapia.gumby.RenderContextFactory;
7 import org.sapia.util.xml.confix.CompositeObjectFactory;
8 import org.sapia.util.xml.confix.ConfigurationException;
9 import org.sapia.util.xml.confix.CreationStatus;
10 import org.sapia.util.xml.confix.ObjectCreationException;
11 import org.sapia.util.xml.confix.ReflectionFactory;
12
13
28 public class GumbyObjectFactory extends CompositeObjectFactory {
29
30 private static final String SWING_PREFIX = "swing";
31 private static final String GUMBY_PREFIX = "gumby";
32
33 private static final String TAG_NAMESPACE = "namespace";
34 private static final String TAG_CONFIG = "config";
35
36 private ReflectionFactory _invoker = new ReflectionFactory(
37 new String [0]);
38 private GumbyObjectFactory _parent;
39 private RenderContext _ctx;
40
41 public GumbyObjectFactory() {
42 super.setMapToPrefix(true);
43 super.registerFactory(SWING_PREFIX, new SwingFactory());
44 _ctx = RenderContextFactory.newInstance();
45 }
46
47 public GumbyObjectFactory(GumbyObjectFactory parent, RenderContext context) {
48 super.setMapToPrefix(true);
49 super.registerFactory(SWING_PREFIX, new SwingFactory());
50 _ctx = context;
51 _parent = parent;
52 }
53
54
58 public synchronized CreationStatus newObjectFor(String prefix, String uri,
59 String elementName, Object parent) throws ObjectCreationException {
60
61 CreationStatus stat = doNewObjectFor(prefix, uri, elementName, parent);
62 if(stat.getCreated() instanceof ContextAware) {
63 ((ContextAware) stat.getCreated()).handleContext(_ctx);
64 }
65 if(stat.getCreated() instanceof ParentAware) {
66 ((ParentAware) stat.getCreated()).handleParent(parent);
67 }
68 return stat;
69 }
70
71 public synchronized void registerDefs(Namespace defs)
72 throws ConfigurationException {
73 NamespacedFactory fac;
74
75 if(super.containsObjectFactory(defs.getPrefix())) {
76 fac = (NamespacedFactory) super.getFactoryFor(defs.getPrefix());
77 } else {
78 super.registerFactory(defs.getPrefix(), fac = new NamespacedFactory());
79 }
80
81 Def def;
82 List lst = defs.getDefs();
83
84 for(int i = 0; i < lst.size(); i++) {
85 def = (Def) lst.get(i);
86 fac.addDef(def);
87 }
88 }
89
90 private CreationStatus doNewObjectFor(String prefix, String uri,
91 String elementName, Object parent) throws ObjectCreationException {
92 if(_parent != null && prefix != null && prefix.length() > 0) {
93 if(_parent.containsObjectFactory(prefix)) {
94 try {
95 return _parent.getFactoryFor(prefix).newObjectFor(prefix, uri,
96 elementName, parent);
97 } catch(ObjectCreationException e) {
98 }
99 }
100 }
101 if(prefix == null || prefix.length() == 0) {
102 return _invoker.newObjectFor(prefix, uri, elementName, parent);
103 } else if(prefix.equals(GUMBY_PREFIX)) {
104 if(elementName.equals(TAG_NAMESPACE)) {
105 return CreationStatus.create(new Namespace(this)).assigned(true);
106 } else if(elementName.equals(TAG_CONFIG)) {
107 return CreationStatus.create(new Config()).assigned(true);
108 }
109 return super.newObjectFor(prefix, uri, elementName, parent);
110 } else {
111 return super.newObjectFor(prefix, uri, elementName, parent);
112 }
113 }
114
115 }
116 |
Popular Tags |
Java API By Example, From Geeks To Geeks.