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java.lang.Objectnet.sf.saxon.expr.Expression
net.sf.saxon.expr.FunctionCall
net.sf.saxon.functions.SystemFunction
net.sf.saxon.functions.ResolveURI
public class ResolveURI
This class supports the resolve-uri() functions in XPath 2.0
| Field Summary |
|---|
| Fields inherited from class net.sf.saxon.functions.SystemFunction |
|---|
operation |
| Fields inherited from class net.sf.saxon.expr.FunctionCall |
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argument |
| Fields inherited from class net.sf.saxon.expr.Expression |
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EFFECTIVE_BOOLEAN_VALUE, EVALUATE_METHOD, EVENT_FEED_METHOD, ITEM_FEED_METHOD, ITERATE_METHOD, locationId, MAX_SEQUENCE_LENGTH, MAX_STRING_LENGTH, PROCESS_METHOD, PUSH_SELECTION, staticProperties, UNBOUNDED_LOWER, UNBOUNDED_UPPER, WATCH_METHOD |
| Constructor Summary | |
|---|---|
ResolveURI()
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| Method Summary | |
|---|---|
SequenceIterator |
call(SequenceIterator[] arguments,
XPathContext context)
Evaluate the expression |
void |
checkArguments(ExpressionVisitor visitor)
Method called during static type checking |
Expression |
copy()
Copy an expression. |
boolean |
equals(Object o)
Determine whether two expressions are equivalent |
static String |
escapeSpaces(String s)
Replace spaces by %20 |
Item |
evaluateItem(XPathContext context)
Evaluate the function at run-time |
String |
getStaticBaseURI()
Get the static base URI of the expression |
static URI |
makeAbsolute(String relativeURI,
String base)
Construct an absolute URI from a relative URI and a base URI. |
static String |
tryToExpand(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. |
| Methods inherited from class net.sf.saxon.functions.SystemFunction |
|---|
addContextDocumentArgument, addDocToPathMap, computeCardinality, computeSpecialProperties, getDetails, getErrorCodeForTypeErrors, getImplementationMethod, getItemType, getOperation, getRequiredType, makeSystemFunction, optimize, setDetails, useContextItemAsDefault |
| Methods inherited from class net.sf.saxon.expr.FunctionCall |
|---|
addExternalFunctionCallToPathMap, checkArgumentCount, explain, getArguments, getDisplayName, getExpressionName, getFunctionName, getNumberOfArguments, hashCode, iterateSubExpressions, preEvaluate, promote, replaceSubExpression, setArguments, setFunctionName, simplify, simplifyArguments, toString, typeCheck |
| Methods inherited from class java.lang.Object |
|---|
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
| Methods inherited from interface net.sf.saxon.expr.CallableExpression |
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getArguments |
| Constructor Detail |
|---|
public ResolveURI()
| Method Detail |
|---|
public void checkArguments(ExpressionVisitor visitor)
throws XPathException
SystemFunction
checkArguments in class SystemFunctionvisitor - the expression visitor
XPathException - if the arguments are incorrectpublic String getStaticBaseURI()
public Expression copy()
copy in class SystemFunctionpublic boolean equals(Object o)
equals in class SystemFunction
public Item evaluateItem(XPathContext context)
throws XPathException
evaluateItem in class Expressioncontext - The context in which the expression is to be evaluated
XPathException - if any dynamic error occurs evaluating the
expression
public SequenceIterator call(SequenceIterator[] arguments,
XPathContext context)
throws XPathException
call in interface CallableExpressionarguments - the values of the arguments, supplied as SequenceIteratorscontext - the dynamic evaluation context
XPathException - if a dynamic error occurs during the evaluation of the expressionpublic static String tryToExpand(String systemId)
systemId - the supplied systemId. Null is treated as equivalent to ""
public static URI makeAbsolute(String relativeURI,
String base)
throws URISyntaxException
new 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.
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
URISyntaxException - if either of the strings is not a valid URI or
if the resolution failspublic static String escapeSpaces(String s)
s - the input string
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