Package com.nicholasalfonso.lato.integration

Class ICSDownloader

java.lang.Object

com.nicholasalfonso.lato.integration.ICSDownloader

@Component
public class ICSDownloader
extends Object

HTTP client utility for downloading and validating remote iCalendar feeds.

Constructor Summary

Constructors

Constructor	Description
ICSDownloader()

Method Summary

Modifier and Type	Method	Description
InputStream	downloadFeed(String url)	Downloads an iCalendar feed as an input stream.
String	downloadFeedAsString(String url)	Downloads an iCalendar feed and returns its content as a string.
boolean	validateUrl(String url)	Validates that a URL points to a reachable iCalendar feed.

Methods inherited from class java.lang.Object

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

Constructor Details

ICSDownloader

public ICSDownloader()

Method Details

downloadFeed

public InputStream downloadFeed(String url)
                         throws IOException,
InterruptedException

Downloads an iCalendar feed as an input stream.

Parameters:

url - the feed URL to download

Returns:

input stream containing the feed body

Throws:

IOException - if the HTTP request fails

InterruptedException - if the HTTP request is interrupted

validateUrl

public boolean validateUrl(String url)

Validates that a URL points to a reachable iCalendar feed.

Parameters:

url - the feed URL to validate

Returns:

true if the URL is valid and returns iCalendar content

downloadFeedAsString

public String downloadFeedAsString(String url)
                            throws IOException,
InterruptedException

Downloads an iCalendar feed and returns its content as a string.

Parameters:

url - the feed URL to download

Returns:

the feed body as a string

Throws:

IOException - if the HTTP request fails

InterruptedException - if the HTTP request is interrupted