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## net.sf.saxon.lib
Class StandardErrorListener

    java.lang.Object
      net.sf.saxon.lib.StandardErrorListener

All Implemented Interfaces:
  Serializable, ErrorListener

    public class StandardErrorListener

extends Object
implements ErrorListener, Serializable

StandardErrorListener is the standard error handler for XSLT and XQuery processing errors, used if no other ErrorListener is nominated.

Author:
  Michael H. Kay
See Also:
  Serialized Form

Field Summary
`protected PrintStream` | `errorOutput`

Constructor Summary
`StandardErrorListener()` Create a Standard Error Listener

Method Summary
`static String` | `abbreviatePath(String uri)` Abbreviate a URI (if requested)
`void` | `error(TransformerException exception)` Receive notification of a recoverable error.
`void` | `fatalError(TransformerException exception)` Receive notification of a non-recoverable error.
`PrintStream` | `getErrorOutput()` Get the error output stream
`static String` | `getExpandedMessage(TransformerException err)` Get a string containing the message for this exception and all contained exceptions
`String` | `getLocationMessage(TransformerException err)` Get a string identifying the location of an error.
`int` | `getRecoveryPolicy()` Get the recovery policy
`StandardErrorListener` | `makeAnother(int hostLanguage)` Make a clean copy of this ErrorListener.
`static void` | `printStackTrace(PrintStream out, XPathContext context)` Print a stack trace to a specified output destination
`void` | `setErrorOutput(PrintStream writer)` Set output destination for error messages (default is System.err)
`void` | `setRecoveryPolicy(int policy)` Set the recovery policy
`void` | `warning(TransformerException exception)` Receive notification of a warning.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### errorOutput

    protected transient PrintStream errorOutput

Constructor Detail

### StandardErrorListener

    public StandardErrorListener()

  Create a Standard Error Listener

Method Detail

### makeAnother

    public StandardErrorListener makeAnother(int hostLanguage)

  Make a clean copy of this ErrorListener. This is necessary because the standard error listener is stateful (it remembers how many errors there have been)

  Parameters:
    `hostLanguage` - the host language (not used by this implementation)
  Returns:
    a copy of this error listener

### setErrorOutput

    public void setErrorOutput(PrintStream writer)

  Set output destination for error messages (default is System.err)

  Parameters:
    `writer` - The PrintStream to use for error messages

### getErrorOutput

    public PrintStream getErrorOutput()

  Get the error output stream

  Returns:
    the error output stream

### setRecoveryPolicy

    public void setRecoveryPolicy(int policy)

  Set the recovery policy

  Parameters:
    `policy` - the recovery policy for XSLT recoverable errors. One of `Configuration.RECOVER_SILENTLY`, `Configuration.RECOVER_WITH_WARNINGS`, `Configuration.DO_NOT_RECOVER`.

### getRecoveryPolicy

    public int getRecoveryPolicy()

  Get the recovery policy

  Returns:
    the recovery policy for XSLT recoverable errors. One of `Configuration.RECOVER_SILENTLY`, `Configuration.RECOVER_WITH_WARNINGS`, `Configuration.DO_NOT_RECOVER`.

### warning

    public void warning(TransformerException exception)
                 throws TransformerException

  Receive notification of a warning.

  Transformers can use this method to report conditions that are not errors or fatal errors. The default behaviour is to take no action.

  After invoking this method, the Transformer must continue with the transformation. It should still be possible for the application to process the document through to the end.

  Specified by:
    `warning` in interface `ErrorListener`
  Parameters:
    `exception` - The warning information encapsulated in a transformer exception.
  Throws:
    `TransformerException` - if the application chooses to discontinue the transformation.
  See Also:
    `TransformerException`

### error

    public void error(TransformerException exception)
               throws TransformerException

  Receive notification of a recoverable error.

  The transformer must continue to provide normal parsing events after invoking this method. It should still be possible for the application to process the document through to the end.

  The action of the standard error listener depends on the recovery policy that has been set, which may be one of RECOVER_SILENTLY, RECOVER_WITH_WARNING, or DO_NOT_RECOVER

  Specified by:
    `error` in interface `ErrorListener`
  Parameters:
    `exception` - The error information encapsulated in a transformer exception.
  Throws:
    `TransformerException` - if the application chooses to discontinue the transformation.
  See Also:
    `TransformerException`

### fatalError

    public void fatalError(TransformerException exception)
                    throws TransformerException

  Receive notification of a non-recoverable error.

  The application must assume that the transformation cannot continue after the Transformer has invoked this method, and should continue (if at all) only to collect addition error messages. In fact, Transformers are free to stop reporting events once this method has been invoked.

  Specified by:
    `fatalError` in interface `ErrorListener`
  Parameters:
    `exception` - The error information encapsulated in a transformer exception.
  Throws:
    `TransformerException` - if the application chooses to discontinue the transformation.
  See Also:
    `TransformerException`

### getLocationMessage

    public String getLocationMessage(TransformerException err)

  Get a string identifying the location of an error.

  Parameters:
    `err` - the exception containing the location information
  Returns:
    a message string describing the location

### abbreviatePath

    public static String abbreviatePath(String uri)

  Abbreviate a URI (if requested)

  Parameters:
    `uri` - the URI to be abbreviated
  Returns:
    the abbreviated URI, unless full path names were requested, in which case the URI as supplied

### getExpandedMessage

    public static String getExpandedMessage(TransformerException err)

  Get a string containing the message for this exception and all contained exceptions

  Parameters:
    `err` - the exception containing the required information
  Returns:
    a message that concatenates the message of this exception with its contained exceptions, also including information about the error code and location.

### printStackTrace

    public static void printStackTrace(PrintStream out,
                                       XPathContext context)

  Print a stack trace to a specified output destination

  Parameters:
    `out` - the print stream to which the stack trace will be output
    `context` - the XPath dynamic execution context (which holds the head of a linked list of context objects, representing the execution stack)

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Copyright (c) 2004-2010 Saxonica Limited. All rights reserved.