net.sourceforge.rssowl.controller.thread
Class FeedValidator

java.lang.Object
  java.lang.Thread
      net.sourceforge.rssowl.controller.thread.ExtendedThread
          net.sourceforge.rssowl.controller.thread.FeedValidator

All Implemented Interfaces:

Runnable

public class FeedValidator

extends ExtendedThread

This thread is used to validate a newsfeed and give the results to the calling ValidateFeedDialog

Version:

1.1.3

Author:

Benjamin Pasero

Field Summary

(package private) String	dtdToValidate
private String	feedPath
private String	format
private String	humanReadableFeedFormat
(package private) boolean	isWarningOrError
(package private) boolean	overrideDTD
(package private) ValidateFeedDialog	rssOwlValidateFeedDialog
private static String	TMP_XML_NAME Temp name of the locally saved XML document

Fields inherited from class net.sourceforge.rssowl.controller.thread.ExtendedThread

stopped

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

FeedValidator(ValidateFeedDialog rssOwlValidateFeedDialog, String feedPath, String format, boolean overrideDTD)
Instantiate a new FeedValidator

Method Summary

private void	autoDetectFormat(org.jdom.Document document) Auto detect the format from the given document
private void	downloadFeed() Download the newsfeed to save it locally.
void	run() Download, Save and Validate given feed.
private void	saveFeed(org.jdom.Document document) Write the document to disk.
private void	setDTDToValidate(org.jdom.Document document) This method sets a null.dtd as Doctype to the document and then sets the DTD that should be used to validate the XML.
void	stopThread() Stop the Feed Validator
private void	validateFeed() Validate the newsfeed using JDom

Methods inherited from class net.sourceforge.rssowl.controller.thread.ExtendedThread

isStopped, startThread

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getContextClassLoader, getName, getPriority, getThreadGroup, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setName, setPriority, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

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

Field Detail

TMP_XML_NAME

private static final String TMP_XML_NAME

Temp name of the locally saved XML document

See Also:

Constant Field Values

feedPath

private String feedPath

format

private String format

humanReadableFeedFormat

private String humanReadableFeedFormat

dtdToValidate

String dtdToValidate

isWarningOrError

boolean isWarningOrError

overrideDTD

boolean overrideDTD

rssOwlValidateFeedDialog

ValidateFeedDialog rssOwlValidateFeedDialog

Constructor Detail

FeedValidator

public FeedValidator(ValidateFeedDialog rssOwlValidateFeedDialog,
                     String feedPath,
                     String format,
                     boolean overrideDTD)

Instantiate a new FeedValidator

Parameters:

rssOwlValidateFeedDialog - The calling validate feed dialog

feedPath - The path of the feed to validate

format - The feed format (may be auto-detection to let RSSOwl detect it)

overrideDTD - TRUE if the DTD declaration should get overriden

Method Detail

run

public void run()

Download, Save and Validate given feed.

See Also:

Runnable.run()

stopThread

public void stopThread()

Stop the Feed Validator

Overrides:

stopThread in class ExtendedThread

autoDetectFormat

private void autoDetectFormat(org.jdom.Document document)
                       throws NewsfeedFactoryException

Auto detect the format from the given document

Parameters:

document - The newsfeed as XMl document

Throws:

NewsfeedFactoryException - If an error occurs

downloadFeed

private void downloadFeed()
                   throws org.jdom.JDOMException,
                          IOException,
                          NewsfeedFactoryException,
                          IllegalArgumentException

Download the newsfeed to save it locally. This allows to apply a custom DTD to the document. In dependance of the newsfeed format a DTD is chosen from the res.jar.

Throws:

org.jdom.JDOMException - If an error occurs

IOException - If an error occurs

NewsfeedFactoryException - If an error occurs

IllegalArgumentException - If an error occurs

saveFeed

private void saveFeed(org.jdom.Document document)

Write the document to disk.

Parameters:

document - The document to save

setDTDToValidate

private void setDTDToValidate(org.jdom.Document document)
                       throws NewsfeedFactoryException

This method sets a null.dtd as Doctype to the document and then sets the DTD that should be used to validate the XML.

Parameters:

document - The document to validate

Throws:

NewsfeedFactoryException - If an error occurs

validateFeed

private void validateFeed()
                   throws org.jdom.JDOMException,
                          IOException,
                          IllegalArgumentException

Validate the newsfeed using JDom

Throws:

org.jdom.JDOMException - If an error occurs

IOException - If an error occurs

IllegalArgumentException - If an error occurs