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1
22 package org.jboss.beans.metadata.plugins;
23
24 import java.util.Collections  ;
25 import java.util.Iterator ;
26 import java.util.Stack ;
27
28 import org.jboss.beans.metadata.spi.MetaDataVisitor;
29 import org.jboss.beans.metadata.spi.MetaDataVisitorNode;
30 import org.jboss.beans.metadata.spi.ValueMetaData;
31 import org.jboss.reflect.spi.TypeInfo;
32 import org.jboss.util.JBossObject;
33 import org.jboss.util.JBossStringBuilder;
34
35
41 public class AbstractValueMetaData extends JBossObject implements ValueMetaData, TypeProvider
42 {
43
46 protected Object value;
47
48
51 public AbstractValueMetaData()
52 {
53 }
54
55
60 public AbstractValueMetaData(Object value)
61 {
62 this.value = value;
63 }
64
65 public Object getValue()
66 {
67 return value;
68 }
69
70 public void setValue(Object value)
71 {
72 this.value = value;
73 flushJBossObjectCache();
74 }
75
76 public Object getUnderlyingValue()
77 {
78 return value;
79 }
80
81 public Object getValue(TypeInfo info, ClassLoader cl) throws Throwable
82 {
83 return value;
84 }
85
86 public void initialVisit(MetaDataVisitor visitor)
87 {
88 visitor.initialVisit(this);
89 }
90
91 public void describeVisit(MetaDataVisitor vistor)
92 {
93 vistor.describeVisit(this);
94 }
95
96 public Class getType(MetaDataVisitor visitor, MetaDataVisitorNode previous) throws Throwable
97 {
98 Stack <MetaDataVisitorNode> visitorNodeStack = visitor.visitorNodeStack();
99 MetaDataVisitorNode node = visitorNodeStack.pop();
101 try
102 {
103 if (node instanceof TypeProvider)
104 {
105 TypeProvider typeProvider = (TypeProvider) node;
106 return typeProvider.getType(visitor, this);
107 }
108 else
109 {
110 throw new IllegalArgumentException (TypeProvider.ERROR_MSG);
111 }
112 }
113 finally
114 {
115 visitorNodeStack.push(node);
116 }
117 }
118
119 public Iterator <? extends MetaDataVisitorNode> getChildren()
120 {
121 if (value instanceof MetaDataVisitorNode)
122 return Collections.singletonList((MetaDataVisitorNode) value).iterator();
123 return null;
124 }
125
126 public void toString(JBossStringBuilder buffer)
127 {
128 buffer.append("value=").append(value);
129 }
130
131 public void toShortString(JBossStringBuilder buffer)
132 {
133 buffer.append(value);
134 }
135 }
136 |
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