Package net.sf.saxon.functions
Class ResolveURI
- java.lang.Object
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- net.sf.saxon.functions.AbstractFunction
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- net.sf.saxon.functions.SystemFunction
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- net.sf.saxon.functions.ResolveURI
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- All Implemented Interfaces:
Callable
,FunctionItem
,GroundedValue
,Item
,Sequence
public class ResolveURI extends SystemFunction
This class supports the resolve-uri() function in XPath 2.0
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Constructor Summary
Constructors Constructor Description ResolveURI()
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description static java.net.URI
absoluteOrRelativeURI(java.lang.String href)
Sequence
call(XPathContext context, Sequence[] arguments)
Evaluate the expressionstatic java.lang.String
escapeSpaces(java.lang.String s)
Replace spaces by %20static java.net.URI
makeAbsolute(java.lang.String relativeURI, java.lang.String base)
Construct an absolute URI from a relative URI and a base URI.static java.lang.String
tryToExpand(java.lang.String systemId)
If a system ID can't be parsed as a URL, try to expand it as a relative URI using the current directory as the base URI.static java.lang.String
unescapeSpaces(java.lang.String uri)
Replace %20 by space-
Methods inherited from class net.sf.saxon.functions.SystemFunction
dependsOnContextItem, dynamicCall, equals, export, exportAdditionalArguments, exportAttributes, fixArguments, getArity, getCardinality, getContextNode, getDescription, getDetails, getElaborator, getErrorCodeForTypeErrors, getFunctionItemType, getFunctionName, getIntegerBounds, getNetCost, getOperandRoles, getRequiredType, getResultItemType, getResultItemType, getRetainedStaticContext, getSpecialProperties, getStaticBaseUriString, getStreamerName, getUniStringArg, hashCode, importAttributes, isSequenceVariadic, isTrustedResultType, makeCall, makeFunction, makeFunction40, makeFunctionCall, makeOptimizedFunctionCall, resultIfEmpty, setArity, setDetails, setRetainedStaticContext, supplyTypeInformation, toShortString, toString, typeCheckCaller
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Methods inherited from class net.sf.saxon.functions.AbstractFunction
atomize, deepEqual40, deepEquals, effectiveBooleanValue, getAnnotations, getUnicodeStringValue, isArray, isMap, makeNewContext, simplify, typeCheck
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Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
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Methods inherited from interface net.sf.saxon.om.FunctionItem
getGenre
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Methods inherited from interface net.sf.saxon.om.GroundedValue
asIterable, concatenate, containsNode, materialize
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Methods inherited from interface net.sf.saxon.om.Item
getLength, getStringValue, head, isStreamed, itemAt, iterate, reduce, subsequence
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Methods inherited from interface net.sf.saxon.om.Sequence
makeRepeatable
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Method Detail
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call
public Sequence call(XPathContext context, Sequence[] arguments) throws XPathException
Evaluate the expression- Parameters:
context
- the dynamic evaluation contextarguments
- the values of the arguments, supplied as SequenceIterators- Returns:
- the result of the evaluation, in the form of a SequenceIterator
- Throws:
XPathException
- if a dynamic error occurs during the evaluation of the expression
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absoluteOrRelativeURI
public static java.net.URI absoluteOrRelativeURI(java.lang.String href) throws java.net.URISyntaxException
- Throws:
java.net.URISyntaxException
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tryToExpand
public static java.lang.String tryToExpand(java.lang.String systemId)
If a system ID can't be parsed as a URL, try to expand it as a relative URI using the current directory as the base URI.- Parameters:
systemId
- the supplied systemId. Null is treated as equivalent to ""- Returns:
- the systemId itself if it is a valid URL; otherwise the result of resolving the systemId as a relative file name in the current working directory; or if the current working directory is not available (e.g. in an applet) the supplied systemId unchanged (except that null is treated as "").
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makeAbsolute
public static java.net.URI makeAbsolute(java.lang.String relativeURI, java.lang.String base) throws java.net.URISyntaxException
Construct an absolute URI from a relative URI and a base URI. The method uses the resolve method of the java.net.URI class, except where the base URI uses the (non-standard) "jar:" scheme, in which case the method used isnew URL(baseURL, relativeURL)
.Spaces in either URI are converted to %20
If no base URI is available, and the relative URI is not an absolute URI, then the current directory is used as a base URI.
- Parameters:
relativeURI
- the relative URI. Null is permitted provided that the base URI is an absolute URIbase
- the base URI. Null is permitted provided that relativeURI is an absolute URI- Returns:
- the absolutized URI
- Throws:
java.net.URISyntaxException
- if either of the strings is not a valid URI or if the resolution fails
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escapeSpaces
public static java.lang.String escapeSpaces(java.lang.String s)
Replace spaces by %20- Parameters:
s
- the input string- Returns:
- the input string with each space replaced by %20
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unescapeSpaces
public static java.lang.String unescapeSpaces(java.lang.String uri)
Replace %20 by space- Parameters:
uri
- the input uri- Returns:
- the input URI with each %20 replaced by space
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