gnu.java.beans.encoder.elements
Class Element
Element is the base class for the object tree elements.
It provides the neccessary infrastructure every element subclass
needs in order to interact with the
Root
class.
clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait |
addChild
public final void addChild(Element elem)
Adds a child element to this Element.
clear
public final void clear()
Clears all the stored child elements.
getId
public final ObjectId getId()
Retrieves the element's
ObjectId instance
if it has one.
- The ObjectId instance or
null.
initId
public final void initId(ObjectId objectId)
Sets an
ObjectId instance in this
Element.
This can only be done once.
objectId - An ObjectId instance.
isEmpty
public final boolean isEmpty()
Returns whether this element contains child elements.
This method is useful to decide which formatting variant
for the XML element can be chosen.
- Whether the element has child elements.
iterator
public final Iterator<E> iterator()
Provides access to the child elements via an iterator.
- An iterator for the child elements.
removeLast
public final void removeLast()
Removes the child element added last.
writeEnd
public void writeEnd(Writer writer)
Writes the closing XML tag.
By default this does
writer.writeEnd(children.isEmpty()).
Override if neccessary, for example when using the
Writer.writeNoChildren(String,String) method
variants.
writer - The writer to be used for XML writing.
writeStart
public abstract void writeStart(Writer writer)
Writes the opening XML tag.
writer - The writer to be used for XML writing.
Element.java -- Base class for object tree elements.
Copyright (C) 2005 Free Software Foundation, Inc.
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