Package net.sf.saxon.lib
Interface CollationURIResolver
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- All Superinterfaces:
java.io.Serializable
- All Known Implementing Classes:
StandardCollationURIResolver
public interface CollationURIResolver extends java.io.Serializable
A CollationURIResolver accepts a collation name as input, and returns a collation (represented by aStringCollator
as output. A CollationURIResolver can be registered with the Configuration (or with a TransformerFactory) to resolve all collation URIs used in a stylesheet or query.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description StringCollator
resolve(java.lang.String relativeURI, java.lang.String baseURI, Configuration config)
Resolve a collation URI (expressed as a string) and return the corresponding collation.
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Method Detail
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resolve
StringCollator resolve(java.lang.String relativeURI, java.lang.String baseURI, Configuration config)
Resolve a collation URI (expressed as a string) and return the corresponding collation.- Parameters:
relativeURI
- the collation URI as written in the query or stylesheetbaseURI
- The base URI of the static context where the collation URI appears. The base URI is available only in cases where the collation URI is resolved at compile time; in cases where the collation URI is not resolved until execution time (typically because it is supplied as an expression rather than as a string literal) this parameter is currently set to null.config
- The configuration. Provided in case the collation URI resolver needs it.- Returns:
- a StringCollator, representing the collation to be used. Note that although
any StringCollator may be returned, functions such as contains() that need to break
a string into its collation units will work only if the returned StringCollator
is a
SubstringMatcher
.If the Collation URI cannot be resolved, return null. Note that unlike the JAXP URIResolver, returning null does not cause the default CollationURIResolver to be invoked; if this is required, the user-written CollationURIResolver should explicitly instantiate and invoke the
StandardCollationURIResolver
before returning null. - Since:
- 8.5/8.9 (this interface was introduced provisionally in 8.5, and modified in 8.9 to return a StringCollator rather than a Comparator).
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