Package com.streamconverter.command.impl.xml

Class XmlFilterCommand

java.lang.Object

com.streamconverter.command.AbstractStreamCommand

com.streamconverter.command.impl.xml.XmlFilterCommand

All Implemented Interfaces:

IStreamCommand

public class XmlFilterCommand
extends AbstractStreamCommand

XML Filter Command Class

This class implements pure data extraction from XML using TreePath expressions. Unlike XmlNavigateCommand which applies transformations, XmlFilterCommand only extracts/filters elements based on specified paths without any modifications.

Features: - Extract specific elements using TreePath expressions - Preserve exact XML structure of extracted elements - Memory-efficient streaming processing - Support for complex path expressions including nested elements and attributes

Field Summary

Fields inherited from class com.streamconverter.command.AbstractStreamCommand

log

Method Summary

Modifier and Type	Method	Description
static XmlFilterCommand	create(IPath<List<String>> xpath)	Factory method for XML filtering with typed path selector.
void	execute(InputStream inputStream, OutputStream outputStream)	Executes the command on the provided input stream and writes the result to the output stream.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.streamconverter.command.IStreamCommand

commandName, withLogging, withLogging

Method Details

create

public static XmlFilterCommand create(IPath<List<String>> xpath)

Factory method for XML filtering with typed path selector.

Parameters:

xpath - the typed path to extract elements

Returns:

an XmlFilterCommand instance

Throws:

IllegalArgumentException - if xpath is null

execute

public void execute(InputStream inputStream,
 OutputStream outputStream)
             throws IOException

Description copied from class: AbstractStreamCommand

Executes the command on the provided input stream and writes the result to the output stream.

Specified by:

execute in interface IStreamCommand

Specified by:

execute in class AbstractStreamCommand

Parameters:

inputStream - The input stream to read data from.

outputStream - The output stream to write data to.

Throws:

IOException - If an I/O error occurs during the execution of the command.