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+Package de.juplo.httpresources
+Class HttpResourceFetcher
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- java.lang.Object +
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- de.juplo.httpresources.HttpResourceFetcher +
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+public class HttpResourceFetcher +extends Object
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Field Summary
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+Fields ++ +Modifier and Type +Field +Description ++ +static intDEFAULT_TTL
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Constructor Summary
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+Constructors ++ +Constructor +Description ++ +HttpResourceFetcher(org.springframework.http.client.ClientHttpRequestFactory factory, + org.springframework.cache.Cache cache, + Clock clock)+ +HttpResourceFetcher(org.springframework.http.client.ClientHttpRequestFactory factory, + org.springframework.cache.Cache cache, + Clock clock, + int defaultTTL, + int minTTL, + boolean serveStale)
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Method Summary
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+ +All Methods Instance Methods Concrete Methods ++ +Modifier and Type +Method +Description ++ +de.juplo.httpresources.HttpDatafetch(URI uri, + de.juplo.httpresources.HttpData data)+ +Fetches the remote resource and reports, if it was modified.+
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Field Detail
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DEFAULT_TTL
+public static final int DEFAULT_TTL
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- See Also: +
- Constant Field Values +
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Constructor Detail
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HttpResourceFetcher
+public HttpResourceFetcher(org.springframework.http.client.ClientHttpRequestFactory factory, + org.springframework.cache.Cache cache, + Clock clock)
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HttpResourceFetcher
+public HttpResourceFetcher(org.springframework.http.client.ClientHttpRequestFactory factory, + org.springframework.cache.Cache cache, + Clock clock, + int defaultTTL, + int minTTL, + boolean serveStale)
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- Parameters: +
factory-
+clock-
+defaultTTL- default time to live in milliseconds + Default TTL, if no according information is present in the HTTP-headers. + If set to0, caching will be disabled, if no according + HTTP-headers are present.
+minTTL- the minimum time to live, if caching is enabled + A minimum TTL, that will overwrite the time to live, that was extracted + from the HTTP-headers. + The minimum TTL is only applied, if the default TTL is set to a value + greater than zero, hence enabling caching by default.
+serveStale-
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Method Detail
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fetch
+public de.juplo.httpresources.HttpData fetch(URI uri, + de.juplo.httpresources.HttpData data)
+Fetches the remote resource and reports, if it was modified. + + This method fetches the remote resource, if was not already fetched. + If the resource was already fetched, it revalidates it, if necessary.+-
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- Returns: +
true, if the resource has changed or was fetched for + the first time, otherwisefalse
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