Package net.sf.saxon.expr.parser

Class ExpressionLocation

java.lang.Object
net.sf.saxon.expr.parser.ExpressionLocation
All Implemented Interfaces:
Serializable, SourceLocator, LocationProvider, SaxonLocator, Locator
public class ExpressionLocation extends Object implements SaxonLocator, Serializable
Class to hold details of the location of an expression, of an error in a source file, etc.
See Also:

  • Constructor Details

    • ExpressionLocation

      public ExpressionLocation()
      Create an ExpressionLocation

    • ExpressionLocation

      public ExpressionLocation(SourceLocator loc)
      Create an ExpressionLocation, taking the data from a supplied JAXP SourceLocator
      Parameters:
      loc - the JAXP SourceLocator

    • ExpressionLocation

      public ExpressionLocation(LocationProvider provider, long locationId)
      Create an ExpressionLocation, taking the data from a supplied locationId along with a LocationProvider to interpret its meaning
      Parameters:
      provider - the LocationProvider
      locationId - the locationId

    • ExpressionLocation

      public ExpressionLocation(String systemId, int lineNumber, int columnNumber)
      Create an ExpressionLocation corresponding to a given module, line number, and column number
      Parameters:
      systemId - the module URI
      lineNumber - the line number
      columnNumber - the column number

  • Method Details

    • makeFromSax

      public static ExpressionLocation makeFromSax(Locator loc)
      Create an ExpressionLocation, taking the data from a supplied SAX Locator
      Parameters:
      loc - the SAX Locator

    • getSystemId

      public String getSystemId()
      Get the system ID (the module URI)
      Specified by:
      getSystemId in interface Locator
      Specified by:
      getSystemId in interface SourceLocator
      Returns:
      the system ID

    • getPublicId

      public String getPublicId()
      Get the Public ID
      Specified by:
      getPublicId in interface Locator
      Specified by:
      getPublicId in interface SourceLocator
      Returns:
      always null in this implementation

    • getLineNumber

      public int getLineNumber()
      Get the line number
      Specified by:
      getLineNumber in interface Locator
      Specified by:
      getLineNumber in interface SourceLocator
      Returns:
      the line number

    • getColumnNumber

      public int getColumnNumber()
      Get the column number
      Specified by:
      getColumnNumber in interface Locator
      Specified by:
      getColumnNumber in interface SourceLocator
      Returns:
      the column number

    • setSystemId

      public void setSystemId(String systemId)
      Set the systemId (the module URI)
      Parameters:
      systemId - the systemId

    • setLineNumber

      public void setLineNumber(int lineNumber)
      Set the line number
      Parameters:
      lineNumber - the line number within the module

    • setColumnNumber

      public void setColumnNumber(int columnNumber)
      Set the column number
      Parameters:
      columnNumber - the column number

    • getSystemId

      public String getSystemId(long locationId)
      Get the system Id corresponding to a given location Id
      Specified by:
      getSystemId in interface LocationProvider
      Parameters:
      locationId - the location Id
      Returns:
      the system Id

    • getLineNumber

      public int getLineNumber(long locationId)
      Get the line number corresponding to a given location Id
      Specified by:
      getLineNumber in interface LocationProvider
      Parameters:
      locationId - the location Id
      Returns:
      the line number

    • getColumnNumber

      public int getColumnNumber(long locationId)
      Description copied from interface: LocationProvider
      Get the column number within the document, entity, or module containing a particular location
      Specified by:
      getColumnNumber in interface LocationProvider
      Parameters:
      locationId - identifier of the location in question (as passed down the Receiver pipeline)
      Returns:
      the column number within the document, entity, or module, or -1 if this is not available

    • getSourceLocator

      public static SaxonLocator getSourceLocator(long locationId, LocationProvider locationProvider)
      Construct an object holding location information for a validation error message
      Parameters:
      locationId - The locationId as supplied with an event such as startElement or attribute
      locationProvider - The object that understands how to interpret the locationId
      Returns:
      a SaxonLocator containing the location information