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org.dom4j.util Class NodeComparator
java.lang.Objectorg.dom4j.util.NodeComparator
- All Implemented Interfaces:
- Comparator
- public class NodeComparator
- extends Object
- implements Comparator
NodeComparator is a Comparatorof Node instances which
is capable of comparing Nodes for equality based on their values.
- Version:
- $Revision: 1.10 $
- Author:
- James Strachan
| Constructor Summary | |
NodeComparator()
|
|
| Method Summary | |
int |
compare(Attribute n1,
Attribute n2)
|
int |
compare(CharacterData t1,
CharacterData t2)
|
int |
compare(Document n1,
Document n2)
|
int |
compare(DocumentType o1,
DocumentType o2)
|
int |
compare(Element n1,
Element n2)
|
int |
compare(Entity n1,
Entity n2)
|
int |
compare(Namespace n1,
Namespace n2)
|
int |
compare(Node n1,
Node n2)
|
int |
compare(Object o1,
Object o2)
Compares its two arguments for order. |
int |
compare(ProcessingInstruction n1,
ProcessingInstruction n2)
|
int |
compare(QName n1,
QName n2)
|
int |
compare(String o1,
String o2)
|
int |
compareContent(Branch b1,
Branch b2)
|
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Methods inherited from interface java.util.Comparator |
equals |
| Constructor Detail |
NodeComparator
public NodeComparator()
| Method Detail |
compare
public int compare(Object o1, Object o2)
- Compares its two arguments for order. Returns a negative integer, zero,
or a positive integer as the first argument is less than, equal to, or
greater than the second.
The implementor must ensure that sgn(compare(x, y)) == -sgn(compare(y, x)) for all x and y. (This implies that compare(x, y) must throw an exception if and only if compare(y, x) throws an exception.)
The implementor must also ensure that the relation is transitive: ((compare(x, y)>0) && (compare(y, z)>0)) implies compare(x, z)>0.
Finally, the implementer must ensure that compare(x, y)==0 implies that sgn(compare(x, z))==sgn(compare(y, z)) for all z.
It is generally the case, but not strictly required that (compare(x, y)==0) == (x.equals(y)). Generally speaking, any comparator that violates this condition should clearly indicate this fact. The recommended language is "Note: this comparator imposes orderings that are inconsistent with equals."
- Specified by:
comparein interfaceComparator
- Parameters:
o1- the first object to be compared.o2- the second object to be compared.- Returns:
- a negative integer, zero, or a positive integer as the first argument is less than, equal to, or greater than the second.
compare
public int compare(Node n1, Node n2)
compare
public int compare(Document n1, Document n2)
compare
public int compare(Element n1, Element n2)
compare
public int compare(Attribute n1, Attribute n2)
compare
public int compare(QName n1, QName n2)
compare
public int compare(Namespace n1, Namespace n2)
compare
public int compare(CharacterData t1, CharacterData t2)
compare
public int compare(DocumentType o1, DocumentType o2)
compare
public int compare(Entity n1, Entity n2)
compare
public int compare(ProcessingInstruction n1, ProcessingInstruction n2)
compareContent
public int compareContent(Branch b1, Branch b2)
compare
public int compare(String o1, String o2)
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