net.sf.saxon
Class Query

java.lang.Object
  net.sf.saxon.Query

Direct Known Subclasses:

JDOMQuery

public class Query
extends Object

This Query class provides a command-line interface to the Saxon XQuery processor.

The XQuery syntax supported conforms to the W3C XQuery 1.0 drafts.

Author:

Michael H. Kay

Field Summary

protected Configuration

config

Constructor Summary

Query()

Method Summary

protected void	badUsage(String name, String message) Report incorrect usage of the command line, with a list of the options and arguments that are available
protected void	doQuery(String[] args, String name) Support method for main program.
protected Configuration	getConfiguration() Get the configuration in use
static void	main(String[] args) Main program, can be used directly from the command line.
protected Configuration	makeConfiguration(boolean schemaAware) Set the configuration.
protected static void	quit(String message, int code) Exit with a message
void	setPOption(Configuration config)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

config

protected Configuration config

Constructor Detail

Query

public Query()

Method Detail

makeConfiguration

protected Configuration makeConfiguration(boolean schemaAware)

Set the configuration. This is designed to be overridden in a subclass

getConfiguration

protected Configuration getConfiguration()

Get the configuration in use

Returns:

the configuration

main

public static void main(String[] args)
                 throws Exception

Main program, can be used directly from the command line.

The format is:

java net.sf.saxon.Query [options] query-file >output-file

followed by any number of parameters in the form {keyword=value}... which can be referenced from within the query.

This program executes the query in query-file.

Parameters:

args - List of arguments supplied on operating system command line

Throws:

Exception - Indicates that a compile-time or run-time error occurred

doQuery

protected void doQuery(String[] args,
                       String name)

Support method for main program. This support method can also be invoked from subclasses that support the same command line interface

Parameters:

args - the command-line arguments

name - name of the class, to be used in error messages

quit

protected static void quit(String message,
                           int code)

Exit with a message

Parameters:

message - The message to be output

code - The result code to be returned to the operating system shell

setPOption

public void setPOption(Configuration config)

badUsage

protected void badUsage(String name,
                        String message)

Report incorrect usage of the command line, with a list of the options and arguments that are available

Parameters:

name - The name of the command being executed (allows subclassing)

message - The error message