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java.lang.Objectgroovy.util.Node
public class Node
Represents an arbitrary tree node which can be used for structured metadata or any arbitrary XML-like tree. A node can have a name, a value and an optional Map of attributes. Typically the name is a String and a value is either a String or a List of other Nodes, though the types are extensible to provide a flexible structure, e.g. you could use a QName as the name which includes a namespace URI and a local name. Or a JMX ObjectName etc. So this class can represent metadata like {foo a=1 b="abc"} or nested metadata like {foo a=1 b="123" { bar x=12 text="hello" }}
Constructor Summary | |
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Node(Node parent,
java.lang.Object name)
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Node(Node parent,
java.lang.Object name,
java.util.Map attributes)
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Node(Node parent,
java.lang.Object name,
java.util.Map attributes,
java.lang.Object value)
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Node(Node parent,
java.lang.Object name,
java.lang.Object value)
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Method Summary | |
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java.lang.Object |
attribute(java.lang.Object key)
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java.util.Map |
attributes()
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java.util.List |
breadthFirst()
Provide a collection of all the nodes in the tree using a breadth-first traversal. |
java.util.List |
children()
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java.util.List |
depthFirst()
Provide a collection of all the nodes in the tree using a depth first traversal. |
java.lang.Object |
get(java.lang.String key)
Provides lookup of elements by non-namespaced name |
NodeList |
getAt(QName name)
Provides lookup of elements by QName. |
java.util.Iterator |
iterator()
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java.lang.Object |
name()
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Node |
parent()
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void |
print(java.io.PrintWriter out)
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void |
setValue(java.lang.Object value)
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java.lang.String |
text()
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java.lang.String |
toString()
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java.lang.Object |
value()
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Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public Node(Node parent, java.lang.Object name)
public Node(Node parent, java.lang.Object name, java.lang.Object value)
public Node(Node parent, java.lang.Object name, java.util.Map attributes)
public Node(Node parent, java.lang.Object name, java.util.Map attributes, java.lang.Object value)
Method Detail |
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public java.lang.String text()
public java.util.Iterator iterator()
public java.util.List children()
public java.util.Map attributes()
public java.lang.Object attribute(java.lang.Object key)
public java.lang.Object name()
public java.lang.Object value()
public void setValue(java.lang.Object value)
public Node parent()
public java.lang.Object get(java.lang.String key)
key
- the name (or shortcut key) of the node(s) of interest
public NodeList getAt(QName name)
name
- the QName of interest
public java.util.List depthFirst()
public java.util.List breadthFirst()
public java.lang.String toString()
toString
in class java.lang.Object
public void print(java.io.PrintWriter out)
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