org.codehaus.plexus.context
Interface Context

All Known Implementing Classes:

DefaultContext

public interface Context

Method Summary

boolean	contains(java.lang.Object key)
java.lang.Object	get(java.lang.Object key)
void	hide(java.lang.Object key) Hides the item in the context.
void	makeReadOnly() Make the context read-only.
void	put(java.lang.Object key, java.lang.Object value) Adds the item to the context.

Method Detail

get

public java.lang.Object get(java.lang.Object key)
                     throws ContextException

Throws:

ContextException

contains

public boolean contains(java.lang.Object key)

put

public void put(java.lang.Object key,
                java.lang.Object value)
         throws java.lang.IllegalStateException

Adds the item to the context.

Parameters:

key - the key of the item

value - the item

Throws:

java.lang.IllegalStateException - if context is read only

hide

public void hide(java.lang.Object key)
          throws java.lang.IllegalStateException

Hides the item in the context. After remove(key) has been called, a get(key) will always fail, even if the parent context has such a mapping.

Parameters:

key - the items key

Throws:

java.lang.IllegalStateException - if context is read only

makeReadOnly

public void makeReadOnly()

Make the context read-only. Any attempt to write to the context via put() will result in an IllegalStateException.