RequestVariableResolver (Apache Felix Web Management Console 4.9.6 API)

java.lang.Object
- java.util.AbstractMap<K,V>
- - java.util.HashMap<String,Object>
  - - org.apache.felix.webconsole.servlet.RequestVariableResolver

All Implemented Interfaces:

Serializable, Cloneable, Map<String,Object>

Direct Known Subclasses:

DefaultVariableResolver
```
public class RequestVariableResolver
extends HashMap<String,Object>
```
The RequestVariableResolver is a HashMap that is used by the webconsole to process variables in the template. The resolver is stored as a request attribute with the name REQUEST_ATTRIBUTE.

See Also:

Serialized Form

Nested Class Summary
- Nested classes/interfaces inherited from class java.util.AbstractMap
  AbstractMap.SimpleEntry<K extends Object,V extends Object>, AbstractMap.SimpleImmutableEntry<K extends Object,V extends Object>
- Nested classes/interfaces inherited from interface java.util.Map
  Map.Entry<K extends Object,V extends Object>

Field Summary

Fields
Modifier and Type	Field	Description
`static String`	`KEY_APP_ROOT`	The name of the key providing the absolute path of the Web Console root.
`static String`	`KEY_PLUGIN_ROOT`	The name of the key providing the absolute path of the current plugin.
`static String`	`REQUEST_ATTRIBUTE`	The name of the request attribute holding the `RequestVariableResolver` for the request (value is "felix.webconsole.variable.resolver").

Constructor Summary

Constructors
Constructor Description

RequestVariableResolver()
Creates a new variable resolver with default capacity.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`String`	`resolve(String variable)`	Returns the string representation of the value stored under the variable name in this map.

Methods inherited from class java.util.HashMap
clear, clone, compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, entrySet, forEach, get, getOrDefault, isEmpty, keySet, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, replaceAll, size, values

Methods inherited from class java.util.AbstractMap
equals, hashCode, toString

Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Map
equals, hashCode

- Field Detail
  - REQUEST_ATTRIBUTE
```
public static final String REQUEST_ATTRIBUTE
```
    The name of the request attribute holding the RequestVariableResolver for the request (value is "felix.webconsole.variable.resolver"). This attribute is guaaranteed to be set for plugins.
    
    See Also:
    
    Constant Field Values
  - KEY_APP_ROOT
```
public static final String KEY_APP_ROOT
```
    The name of the key providing the absolute path of the Web Console root. This key is guaaranteed to be set for plugins.
    
    See Also:
    
    ServletConstants.ATTR_APP_ROOT, Constant Field Values
  - KEY_PLUGIN_ROOT
```
public static final String KEY_PLUGIN_ROOT
```
    The name of the key providing the absolute path of the current plugin. This key is guaaranteed to be set for plugins.
    
    See Also:
    
    ServletConstants.ATTR_PLUGIN_ROOT, Constant Field Values
- Constructor Detail
  - RequestVariableResolver
```
public RequestVariableResolver()
```
    Creates a new variable resolver with default capacity.
- Method Detail
  - resolve
```
public String resolve(String variable)
```
    Returns the string representation of the value stored under the variable name in this map. If no value is stored under the variable name, null is returned.
    
    Parameters:
    
    variable - The name of the variable whose value is to be returned.
    
    Returns:
    
    The variable value or null if there is no entry with the given name in this map.