public class ValueExpressionResolver extends Object
Modifier and Type | Field and Description |
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static ValueExpressionResolver |
DEFAULT_RESOLVER
The default value expression resolver.
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Constructor and Description |
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ValueExpressionResolver()
Construct a new instance.
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Modifier and Type | Method and Description |
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String |
resolve(ValueExpression expression)
Perform expression resolution.
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protected String |
resolvePart(String name)
Resolve a single name in the expression.
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public static final ValueExpressionResolver DEFAULT_RESOLVER
public ValueExpressionResolver()
public String resolve(ValueExpression expression)
expression
- the expression to resolveprotected String resolvePart(String name)
null
if no resolution is possible. The default
implementation (which may be delegated to) checks system properties, environment variables, and a small set of
special strings.name
- the name to resolvenull
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