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## org.apache.struts.chain.contexts
Class ContextWrapper

    java.lang.Object
      org.apache.struts.chain.contexts.ContextWrapper

All Implemented Interfaces:
  Map, org.apache.commons.chain.Context

Direct Known Subclasses:
  ActionContextBase

    public class ContextWrapper

extends Object
implements org.apache.commons.chain.Context

Provide a base class for any Context Implementation which is primarily intended for use in a subchain.

Classes which extend `ContextWrapper` may implement typesafe property methods which also leave their values in the underlying context.

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map
`Map.Entry<K,V>`

Constructor Summary
`ContextWrapper(org.apache.commons.chain.Context context)` Instantiate object as a composite around the given Context.

Method Summary
`void` | `clear()`
`boolean` | `containsKey(Object o)`
`boolean` | `containsValue(Object o)`
`Set` | `entrySet()`
`Object` | `get(Object key)`
`protected org.apache.commons.chain.Context` | `getBaseContext()` Provide the underlying Context for this composite.
`boolean` | `isEmpty()`
`Set` | `keySet()`
`Object` | `put(Object key, Object value)`
`void` | `putAll(Map map)`
`Object` | `remove(Object key)`
`int` | `size()`
`Collection` | `values()`

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

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

Constructor Detail

### ContextWrapper

    public ContextWrapper(org.apache.commons.chain.Context context)

  Instantiate object as a composite around the given Context.

  Parameters:
    `context` - Context instance to wrap

Method Detail

### getBaseContext

    protected org.apache.commons.chain.Context getBaseContext()

  Provide the underlying Context for this composite.

  Returns:
    The undelrying Context

### entrySet

    public Set entrySet()

  Specified by:
    `entrySet` in interface `Map`

### keySet

    public Set keySet()

  Specified by:
    `keySet` in interface `Map`

### values

    public Collection values()

  Specified by:
    `values` in interface `Map`

### clear

    public void clear()

  Specified by:
    `clear` in interface `Map`

### putAll

    public void putAll(Map map)

  Specified by:
    `putAll` in interface `Map`

### remove

    public Object remove(Object key)

  Specified by:
    `remove` in interface `Map`

### put

    public Object put(Object key,
                      Object value)

  Specified by:
    `put` in interface `Map`

### get

    public Object get(Object key)

  Specified by:
    `get` in interface `Map`

### containsValue

    public boolean containsValue(Object o)

  Specified by:
    `containsValue` in interface `Map`

### containsKey

    public boolean containsKey(Object o)

  Specified by:
    `containsKey` in interface `Map`

### isEmpty

    public boolean isEmpty()

  Specified by:
    `isEmpty` in interface `Map`

### size

    public int size()

  Specified by:
    `size` in interface `Map`

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