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19 package org.apache.myfaces.view.facelets.el;
20
21 import java.io.Externalizable;
22 import java.io.IOException;
23 import java.io.ObjectInput;
24 import java.io.ObjectOutput;
25 import javax.el.ELContext;
26 import javax.el.ValueExpression;
27 import javax.faces.FacesWrapper;
28
29
30
31
32 public class CacheableValueExpressionWrapper extends ValueExpression
33 implements FacesWrapper<ValueExpression>, Externalizable, CacheableValueExpression
34 {
35 private static final long serialVersionUID = -5636849184764526288L;
36
37 ValueExpression delegate;
38
39 public CacheableValueExpressionWrapper()
40 {
41 }
42
43 public CacheableValueExpressionWrapper(ValueExpression delegate)
44 {
45 this.delegate = delegate;
46 }
47
48 @Override
49 public Class<?> getExpectedType()
50 {
51 return delegate.getExpectedType();
52 }
53
54 @Override
55 public Class<?> getType(ELContext context)
56 {
57 return delegate.getType(context);
58 }
59
60 @Override
61 public Object getValue(ELContext context)
62 {
63 return delegate.getValue(context);
64 }
65
66 @Override
67 public boolean isReadOnly(ELContext context)
68 {
69 return delegate.isReadOnly(context);
70 }
71
72 @Override
73 public void setValue(ELContext context, Object value)
74 {
75 delegate.setValue(context, value);
76 }
77
78 @Override
79 public boolean equals(Object obj)
80 {
81 return delegate.equals(obj);
82 }
83
84 @Override
85 public String getExpressionString()
86 {
87 return delegate.getExpressionString();
88 }
89
90 @Override
91 public int hashCode()
92 {
93 return delegate.hashCode();
94 }
95
96 @Override
97 public boolean isLiteralText()
98 {
99 return delegate.isLiteralText();
100 }
101
102 public ValueExpression getWrapped()
103 {
104 return delegate;
105 }
106
107 public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException
108 {
109 this.delegate = (ValueExpression) in.readObject();
110 }
111
112 public void writeExternal(ObjectOutput out) throws IOException
113 {
114 out.writeObject(this.delegate);
115 }
116 }