Class NodeImpl
- All Implemented Interfaces:
Node
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Constructor Summary
ConstructorsConstructorDescriptionNodeImpl
(InstanceComponent component) NodeImpl
(InstanceComponent component, Object value) -
Method Summary
Modifier and TypeMethodDescriptionvoid
addAttribute
(Node attribute) void
void
getAttribute
(Class<?> clazz) Returns the node corresponding to the attribute which has a parsed value which is an instance ofclazz
.getAttribute
(String name) Returns the node corresonding to the attribute with the specified name.Returns all nodes corresponding to attributes.getAttributes
(Class<?> clazz) Returns all nodes corresponding to attributes which has a parsed values which are instances ofclazz
.getAttributeValue
(Class<?> clazz) Helper method for access to the parsed value of the attribute whose parsed value is an instance ofclazz
.getAttributeValue
(Class clazz, Object defaultValue) Helper method for access to the parsed value of the attribute whose parsed value is an instance ofclazz
, returning adefaultValue
when no such attribute is present.getAttributeValue
(String name) Helper method for access to the parsed value of the attribute with the specified name.getAttributeValue
(String name, Object defaultValue) Helper method for access to the parsed value of the attribute with the specified name, returning adefaultValue
when no such attribute is presentgetAttributeValues
(Class<?> clazz) Helper method for access ot the parsed values of attribute nodes whose parsed values are instances ofclazz
.Returns a node corresponding to a child element which has a parsed value which is an instance ofclazz
.Returns a node corresponding to a child element.Contents of this node.getChildren
(Class<?> clazz) Returns all nodes corresponding to child elements with the parsed values that are instances ofclazz
getChildren
(String name) Returns all nodes corresponding child elements with the specified name.getChildValue
(int index) Helper method for access to child's parsed contents.<T> T
getChildValue
(Class<T> clazz) Helper method for access to child's parsed contents by class.<T> T
getChildValue
(Class<T> clazz, T defaultValue) Helper method for access to child's parsed contents by class, returning a defaultValue when no such value is presentgetChildValue
(String name) Helper method for access to child's parsed contents by element name.getChildValue
(String name, Object defaultValue) Helper method for access to child's parsed contents by element name.returning a defaultValue when no such value is present<T> List<T>
getChildValues
(Class<T> clazz) Helper method for access to the set of parsed child values which are instances of the specified class.getChildValues
(String name) Helper method for access to the set of parse child values with the specified name.int
int
Returns the parent node for this nodegetValue()
boolean
hasAttribute
(Class<?> clazz) Determines if the node has an attribute whose value is of the specified class.boolean
hasAttribute
(String name) Determines if the node has an attribute with the specified name.boolean
Determines if the node has a child whose value is of the specified class.boolean
Determines if the node has a child with the specified name.removeAttribute
(String name) removeChild
(String name) void
removeChild
(Node child) void
Sets the parent pointer for this node.void
Sets the value of the node.toString()
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Constructor Details
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NodeImpl
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NodeImpl
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Method Details
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getComponent
- Specified by:
getComponent
in interfaceNode
- Returns:
- The component instance.
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getValue
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setValue
Description copied from interface:Node
Sets the value of the node. -
hasChild
Description copied from interface:Node
Determines if the node has a child with the specified name. -
hasChild
Description copied from interface:Node
Determines if the node has a child whose value is of the specified class. -
getChildren
Contents of this node.XXX: either return unmodifeable Collection, or return the collection directly. Client code should make the copy iff they need it. Going to try changing it and see what breaks.
- Specified by:
getChildren
in interfaceNode
- Returns:
- A list containing objects of type Node.
- See Also:
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getNChildren
public int getNChildren() -
getChildren
Description copied from interface:Node
Returns all nodes corresponding child elements with the specified name. This method returns an empty list if it finds no nodes corresponding to the specified name.- Specified by:
getChildren
in interfaceNode
- Parameters:
name
- The name of a child element.- Returns:
- A list containing objects of type Node.
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getChildren
Description copied from interface:Node
Returns all nodes corresponding to child elements with the parsed values that are instances ofclazz
- Specified by:
getChildren
in interfaceNode
- Parameters:
clazz
- The class of parsed child values.- Returns:
- A list containing objects of type Node, such that node#getValue()
is an instance of
clazz
, or an empty list.
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getChild
Description copied from interface:Node
Returns a node corresponding to a child element. This method returns the first such node it finds and no order is guaranteed, it is provided for convenience. This method returns null if it finds no such child node matching the specified name. -
getChild
Description copied from interface:Node
Returns a node corresponding to a child element which has a parsed value which is an instance ofclazz
. This method returns the first such node it finds and no order is guarenteed, it is providedd for convenience. This method returnsnull if it finds no such child mathing the above criteria.
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hasAttribute
Description copied from interface:Node
Determines if the node has an attribute whose value is of the specified class.- Specified by:
hasAttribute
in interfaceNode
- Parameters:
clazz
- The class of the attribute value- Returns:
true
if an attribute exists with the class, otherwisefalse
.
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hasAttribute
Description copied from interface:Node
Determines if the node has an attribute with the specified name.- Specified by:
hasAttribute
in interfaceNode
- Parameters:
name
- The name of an attribute- Returns:
true
if am attribute exists with the name, otehrwisefalse
.
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getAttributes
Description copied from interface:Node
Returns all nodes corresponding to attributes.- Specified by:
getAttributes
in interfaceNode
- Returns:
- A list containing objects of type node.
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getAttributes
Description copied from interface:Node
Returns all nodes corresponding to attributes which has a parsed values which are instances ofclazz
.- Specified by:
getAttributes
in interfaceNode
- Parameters:
clazz
- The class of parsed attribute values.- Returns:
- A list of attribute nodes whose parsed values are instances of
clazz
, or an empty list.
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getNAttributes
public int getNAttributes() -
getAttribute
Description copied from interface:Node
Returns the node corresonding to the attribute with the specified name. This method returns null if it finds no such attribute node matching the specified name.- Specified by:
getAttribute
in interfaceNode
- Parameters:
name
- The name of the attribute.
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getAttribute
Description copied from interface:Node
Returns the node corresponding to the attribute which has a parsed value which is an instance ofclazz
. In the event that the node contains multple attributes matching the above criteria, the first encountered is returned, with no guaratnee of order. For all nodes matching this criteria useNode.getAttributes(Class)
.- Specified by:
getAttribute
in interfaceNode
- Parameters:
clazz
- The class of parsed attribute values.- Returns:
- The attribute node whose parsed value is an instance of
clazz
, ornull
if no such node exists.
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getAttributeValue
Description copied from interface:Node
Helper method for access to the parsed value of the attribute with the specified name.- Specified by:
getAttributeValue
in interfaceNode
- Parameters:
name
- The name of the attribute in which to retreive the parsed value from.- Returns:
- the parsed value of the attribute matching the criteria, or
null
if no such attribute is found.
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getAttributeValue
Description copied from interface:Node
Helper method for access to the parsed value of the attribute whose parsed value is an instance ofclazz
. In the event that the node contains multple attributes matching the above criteria, the first encountered is returned, with no guaratnee of order. For all values matching this criteria useNode.getAttributeValues(Class)
.- Specified by:
getAttributeValue
in interfaceNode
- Parameters:
clazz
- The class of parsed attribute values.- Returns:
- the parsed value of the attribute matching the criteria, or
null
if no such attribute is found.
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getAttributeValues
Description copied from interface:Node
Helper method for access ot the parsed values of attribute nodes whose parsed values are instances ofclazz
.- Specified by:
getAttributeValues
in interfaceNode
- Parameters:
clazz
- The class of parsed attribute values.- Returns:
- The list of attribute values which are instances of
clazz
, or an empty list.
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toString
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getChildValue
Description copied from interface:Node
Helper method for access to child's parsed contents.Should be in the range of getChildren().size()
Simple helper method for the contents of getChildren:
return ((Node)getChildren.get( index )).getValue();
- Specified by:
getChildValue
in interfaceNode
- Returns:
- the value of the child at the given index
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getChildValue
Description copied from interface:Node
Helper method for access to child's parsed contents by element name.In the event that the node has multiple children matching
name the first encountered is returned, there is no guarantee of order. For a list of all values matching name use
Node.getChildValues(String)
.- Specified by:
getChildValue
in interfaceNode
- Parameters:
name
- The name of the child which parsed content is to be retrieved.- Returns:
- the value of the child with the given name, or
null
if the child does not exist.
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getChildValue
Description copied from interface:Node
Helper method for access to child's parsed contents by class.In the event that the node has multiple children which are instances of
clazz
, the first is returned, there is no guarantee of order. For a list of all values which are instances ofclazz
useNode.getChildValues(Class)
.- Specified by:
getChildValue
in interfaceNode
- Parameters:
clazz
- The class of parsed child value.- Returns:
- the value of the child which is an instance of
clazz
, ornull
if no such child exists.
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getChildValues
Description copied from interface:Node
Helper method for access to the set of parse child values with the specified name.- Specified by:
getChildValues
in interfaceNode
- Parameters:
name
- The name of the child element in which to retreive the parsed value.- Returns:
- A list of values representing the parsed values of the children, or an empty list of no such values exist.
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getChildValues
Description copied from interface:Node
Helper method for access to the set of parsed child values which are instances of the specified class.- Specified by:
getChildValues
in interfaceNode
- Parameters:
clazz
- The class of the child values.- Returns:
- A list of child values which are instances of
class
, or an empty list if no such values exist.
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getAttributeValue
Description copied from interface:Node
Helper method for access to the parsed value of the attribute with the specified name, returning adefaultValue
when no such attribute is present- Specified by:
getAttributeValue
in interfaceNode
- Parameters:
name
- The name of the attribute in which to retreive the parsed value from.defaultValue
- A defaultValue to return, if no such attribute found.- Returns:
- the parsed value of the attribute matching the criteria, or
defaultValue
if no such attribute is found.
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getAttributeValue
Description copied from interface:Node
Helper method for access to the parsed value of the attribute whose parsed value is an instance ofclazz
, returning adefaultValue
when no such attribute is present. In the event that the node contains multple attributes matching the above criteria, the first encountered is returned, with no guaratnee of order. For all values matching this criteria useNode.getAttributeValues(Class)
.- Specified by:
getAttributeValue
in interfaceNode
- Parameters:
clazz
- The class of parsed attribute values.defaultValue
- A defaultValue to return, if no such attribute found.- Returns:
- the parsed value of the attribute matching the criteria, or
defaultValue
if no such attribute is found.
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getChildValue
Description copied from interface:Node
Helper method for access to child's parsed contents by element name.returning a defaultValue when no such value is presentIn the event that the node has multiple children mathing
name the first encountered is returned, there is no guarantee of order. For a list of all values matching name use
Node.getChildValues(String)
.- Specified by:
getChildValue
in interfaceNode
- Parameters:
name
- The name of the child which parsed content is to be retrived.defaultValue
- A defaultValue to return, if no such child found.- Returns:
- the value of the child with the given name, or
defaultValue
if the child does not exist.
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getChildValue
Description copied from interface:Node
Helper method for access to child's parsed contents by class, returning a defaultValue when no such value is presentIn the event that the node has multiple children which are instances of
clazz
, the first is returned, there is no guarantee of order. For a list of all values which are instances ofclazz
useNode.getChildValues(Class)
.- Specified by:
getChildValue
in interfaceNode
- Parameters:
clazz
- The class of parsed child value.defaultValue
- A defaultValue to return, if no such child found.- Returns:
- the value of the child which is an instance of
clazz
, ordefaultValue
if no such child exists.
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addChild
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removeChild
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removeChild
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getParent
Description copied from interface:Node
Returns the parent node for this node -
setParent
Description copied from interface:Node
Sets the parent pointer for this node. Call with a null parameter to clear the parent pointer -
addAttribute
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removeAttribute
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collapseWhitespace
public void collapseWhitespace()
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