Package net.sf.saxon.om
Interface NamespaceDeclarations
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- All Known Implementing Classes:
EmptyNamespaceDeclarationList
,NamespaceDeclarationsImpl
,NamespaceResolverAsDeclarations
,StaxBridge.StaxNamespaces
,VirtualTreeWalker
public interface NamespaceDeclarations
This interface represents a collection of namespace declarations or undeclarations, typically those appearing together in an element start tag. The order of declarations has no significance, and there will be no duplicates (that is, each declaration has a different prefix).
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description int
getNamespaceCode(int index)
Get the n'th declaration in the list in the form of a namespace code.int[]
getNamespaceCodes(int[] buffer)
Get all the namespace codes, as an array.int
getNumberOfNamespaces()
Get the number of declarations (and undeclarations) in this list.java.lang.String
getPrefix(int index)
Get the prefix of the n'th declaration (or undeclaration) in the list, counting from zero.java.lang.String
getURI(int index)
Get the namespace URI of the n'th declaration (or undeclaration) in the list, counting from zero.
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Method Detail
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getNumberOfNamespaces
int getNumberOfNamespaces()
Get the number of declarations (and undeclarations) in this list.
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getPrefix
java.lang.String getPrefix(int index)
Get the prefix of the n'th declaration (or undeclaration) in the list, counting from zero.- Parameters:
index
- the index identifying which declaration is required.- Returns:
- the namespace prefix. For a declaration or undeclaration of the default namespace, this is the zero-length string.
- Throws:
java.lang.IndexOutOfBoundsException
- if the index is out of range.
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getURI
java.lang.String getURI(int index)
Get the namespace URI of the n'th declaration (or undeclaration) in the list, counting from zero.- Parameters:
index
- the index identifying which declaration is required.- Returns:
- the namespace URI. For a namespace undeclaration, this is the zero-length string.
- Throws:
java.lang.IndexOutOfBoundsException
- if the index is out of range.
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getNamespaceCode
int getNamespaceCode(int index)
Get the n'th declaration in the list in the form of a namespace code. Namespace codes can be translated into a prefix and URI by means of methods in theNamePool
- Parameters:
index
- the index identifying which declaration is required.- Returns:
- the namespace code. This is an integer whose upper half indicates the prefix (0 represents the default namespace), and whose lower half indicates the URI (0 represents an undeclaration).
- Throws:
java.lang.IndexOutOfBoundsException
- if the index is out of range.- See Also:
NamePool.getPrefixFromNamespaceCode(int)
,NamePool.getURIFromNamespaceCode(int)
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getNamespaceCodes
int[] getNamespaceCodes(int[] buffer)
Get all the namespace codes, as an array.- Parameters:
buffer
- a sacrificial array that the method is free to use to contain the result. May be null.- Returns:
- an integer array containing namespace codes. The array may be filled completely with namespace codes, or it may be incompletely filled, in which case a -1 integer acts as a terminator.
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