Package org.apache.xpath.jaxp
Class JAXPPrefixResolver
- java.lang.Object
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- org.apache.xpath.jaxp.JAXPPrefixResolver
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- All Implemented Interfaces:
PrefixResolver
public class JAXPPrefixResolver extends java.lang.Object implements PrefixResolver
This class implements a Default PrefixResolver which can be used to perform prefix-to-namespace lookup for the XPath object. This class delegates the resolution to the passed NamespaceContext
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Field Summary
Fields Modifier and Type Field Description static java.lang.String
S_XMLNAMESPACEURI
The URI for the XML namespace.
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Constructor Summary
Constructors Constructor Description JAXPPrefixResolver(javax.xml.namespace.NamespaceContext nsContext)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.String
getBaseIdentifier()
Return the base identifier.java.lang.String
getNamespaceForPrefix(java.lang.String prefix)
Given a namespace, get the corrisponding prefix.java.lang.String
getNamespaceForPrefix(java.lang.String prefix, org.w3c.dom.Node namespaceContext)
Given a prefix and a Context Node, get the corresponding namespace.boolean
handlesNullPrefixes()
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Field Detail
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S_XMLNAMESPACEURI
public static final java.lang.String S_XMLNAMESPACEURI
The URI for the XML namespace. (Duplicate of that found in org.apache.xpath.XPathContext).- See Also:
- Constant Field Values
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Method Detail
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getNamespaceForPrefix
public java.lang.String getNamespaceForPrefix(java.lang.String prefix)
Description copied from interface:PrefixResolver
Given a namespace, get the corrisponding prefix. This assumes that the PrefixResolver holds its own namespace context, or is a namespace context itself.- Specified by:
getNamespaceForPrefix
in interfacePrefixResolver
- Parameters:
prefix
- The prefix to look up, which may be an empty string ("") for the default Namespace.- Returns:
- The associated Namespace URI, or null if the prefix is undeclared in this context.
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getBaseIdentifier
public java.lang.String getBaseIdentifier()
Return the base identifier.- Specified by:
getBaseIdentifier
in interfacePrefixResolver
- Returns:
- null
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handlesNullPrefixes
public boolean handlesNullPrefixes()
- Specified by:
handlesNullPrefixes
in interfacePrefixResolver
- See Also:
PrefixResolver.handlesNullPrefixes()
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getNamespaceForPrefix
public java.lang.String getNamespaceForPrefix(java.lang.String prefix, org.w3c.dom.Node namespaceContext)
Given a prefix and a Context Node, get the corresponding namespace. Warning: This will not work correctly if namespaceContext is an attribute node.- Specified by:
getNamespaceForPrefix
in interfacePrefixResolver
- Parameters:
prefix
- Prefix to resolve.namespaceContext
- Node from which to start searching for a xmlns attribute that binds a prefix to a namespace.- Returns:
- Namespace that prefix resolves to, or null if prefix is not bound.
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