net.sf.morph.context.contexts
Class BaseHierarchicalContext

java.lang.Object
  net.sf.morph.context.contexts.BaseContext
      net.sf.morph.context.contexts.BaseHierarchicalContext

All Implemented Interfaces:

java.util.Map, Context, DecoratedContext, HierarchicalContext

Direct Known Subclasses:

ReflectorHierarchicalContext

public abstract class BaseHierarchicalContext
extends BaseContext
implements HierarchicalContext

Convenient base class for hierarchical Contexts. Validates arguments and takes care of logging and exception handling. Also implements the Map interface.

Since:

Nov 29, 2004

Author:

Matt Sgarlata

See Also:

net.sf.morph.context.support.BaseContext, HierarchicalContext

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

java.util.Map.Entry<K,V>

Constructor Summary

BaseHierarchicalContext()
Creates a new, empty context.

BaseHierarchicalContext(Context parentContext)
Creates a new, empty context with the specified parent.

Method Summary

protected abstract java.lang.Object	getHierarchicalImpl(java.lang.String propertyName)
protected java.lang.Object	getImpl(java.lang.String propertyName) Implement get(propertyName).
Context	getParentContext() Retrieves this context's parent context.
protected abstract java.lang.String[]	getPropertyNamesHierarchicalImpl()
protected java.lang.String[]	getPropertyNamesImpl() Implement getPropertyNames()
protected abstract void	setHierarchicalImpl(java.lang.String propertyName, java.lang.Object propertyValue)
protected void	setImpl(java.lang.String propertyName, java.lang.Object propertyValue) Implement set(propertyName, propertyValue).
void	setParentContext(Context parentContext) Sets this context's parent context.

Methods inherited from class net.sf.morph.context.contexts.BaseContext

clear, containsKey, containsValue, entrySet, get, get, get, get, get, getContextMapBridge, getConverter, getLanguage, getLog, getPropertyNames, isEmpty, keySet, put, putAll, remove, set, set, setContextMapBridge, setConverter, setLanguage, setLog, size, values

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface net.sf.morph.context.HierarchicalContext

get, getPropertyNames, set

Methods inherited from interface java.util.Map

equals, hashCode

Constructor Detail

BaseHierarchicalContext

public BaseHierarchicalContext()

Creates a new, empty context.

BaseHierarchicalContext

public BaseHierarchicalContext(Context parentContext)

Creates a new, empty context with the specified parent.

Method Detail

getHierarchicalImpl

protected abstract java.lang.Object getHierarchicalImpl(java.lang.String propertyName)
                                                 throws java.lang.Exception

Throws:

java.lang.Exception

getPropertyNamesHierarchicalImpl

protected abstract java.lang.String[] getPropertyNamesHierarchicalImpl()
                                                                throws java.lang.Exception

Throws:

java.lang.Exception

setHierarchicalImpl

protected abstract void setHierarchicalImpl(java.lang.String propertyName,
                                            java.lang.Object propertyValue)
                                     throws java.lang.Exception

Throws:

java.lang.Exception

getImpl

protected final java.lang.Object getImpl(java.lang.String propertyName)
                                  throws java.lang.Exception

Description copied from class: BaseContext

Implement get(propertyName).

Specified by:

getImpl in class BaseContext

Parameters:

propertyName - to get

Returns:

Object value

Throws:

java.lang.Exception - in case of errors

getPropertyNamesImpl

protected final java.lang.String[] getPropertyNamesImpl()
                                                 throws java.lang.Exception

Description copied from class: BaseContext

Implement getPropertyNames()

Specified by:

getPropertyNamesImpl in class BaseContext

Returns:

String[] of property names

Throws:

java.lang.Exception - if errors occur

setImpl

protected final void setImpl(java.lang.String propertyName,
                             java.lang.Object propertyValue)
                      throws java.lang.Exception

Description copied from class: BaseContext

Implement set(propertyName, propertyValue).

Specified by:

setImpl in class BaseContext

Parameters:

propertyName - to set

propertyValue - to set

Throws:

java.lang.Exception - in case of errors

setParentContext

public void setParentContext(Context parentContext)

Sets this context's parent context.

Specified by:

setParentContext in interface HierarchicalContext

Parameters:

parentContext - this context's parent context

getParentContext

public Context getParentContext()

Description copied from interface: HierarchicalContext

Retrieves this context's parent context.

Specified by:

getParentContext in interface HierarchicalContext

Returns:

this context's parent context