ValueExpressionResolver (Red Hat JBoss Enterprise Application Platform 8.0.0.Beta public API)

java.lang.Object
- org.jboss.dmr.ValueExpressionResolver

public class ValueExpressionResolver
extends Object

A resolver for value expressions.

Author:: David M. Lloyd

Field Summary

Fields
Modifier and Type Field Description

static ValueExpressionResolver DEFAULT_RESOLVER
The default value expression resolver.

Constructor Summary

Constructors
Constructor Description

ValueExpressionResolver()
Construct a new instance.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`String`	`resolve(ValueExpression expression)`	Perform expression resolution.
`protected String`	`resolvePart(String name)`	Resolve a single name in the expression.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - DEFAULT_RESOLVER
```
public static final ValueExpressionResolver DEFAULT_RESOLVER
```
    The default value expression resolver.
- Constructor Detail
  - ValueExpressionResolver
```
public ValueExpressionResolver()
```
    Construct a new instance.
- Method Detail
  - resolve
```
public String resolve(ValueExpression expression)
```
    Perform expression resolution.
    
    Parameters:
    
    expression - the expression to resolve
    
    Returns:
    
    the resolved string
  - resolvePart
```
protected String resolvePart(String name)
```
    Resolve a single name in the expression. Return 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.
    
    Parameters:
    
    name - the name to resolve
    
    Returns:
    
    the resolved value, or null for none