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java.lang.Objectorg.apache.solr.servlet.cache.HttpCacheHeaderUtil
public final class HttpCacheHeaderUtil
| Constructor Summary | |
|---|---|
HttpCacheHeaderUtil()
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| Method Summary | |
|---|---|
static String |
calcEtag(SolrQueryRequest solrReq)
Calculates a tag for the ETag header. |
static long |
calcLastModified(SolrQueryRequest solrReq)
Calculate the appropriate last-modified time for Solr relative the current request. |
static boolean |
checkETagValidators(javax.servlet.http.HttpServletRequest req,
javax.servlet.http.HttpServletResponse resp,
Method reqMethod,
String etag)
Check for etag related conditional headers and set status |
static void |
checkHttpCachingVeto(SolrQueryResponse solrRsp,
javax.servlet.http.HttpServletResponse resp,
Method reqMethod)
Checks if the downstream request handler wants to avoid HTTP caching of the response. |
static boolean |
checkLastModValidators(javax.servlet.http.HttpServletRequest req,
javax.servlet.http.HttpServletResponse resp,
long lastMod)
Check for modify time related conditional headers and set status |
static boolean |
doCacheHeaderValidation(SolrQueryRequest solrReq,
javax.servlet.http.HttpServletRequest req,
Method reqMethod,
javax.servlet.http.HttpServletResponse resp)
Sets HTTP Response cache validator headers appropriately and validates the HTTP Request against these using any conditional request headers. |
static boolean |
isMatchingEtag(List<String> headerList,
String etag)
Checks if one of the tags in the list equals the given etag. |
static void |
sendNotModified(javax.servlet.http.HttpServletResponse res)
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static void |
sendPreconditionFailed(javax.servlet.http.HttpServletResponse res)
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static void |
setCacheControlHeader(SolrConfig conf,
javax.servlet.http.HttpServletResponse resp,
Method method)
Set the Cache-Control HTTP header (and Expires if needed) based on the SolrConfig. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public HttpCacheHeaderUtil()
| Method Detail |
|---|
public static void sendNotModified(javax.servlet.http.HttpServletResponse res)
public static void sendPreconditionFailed(javax.servlet.http.HttpServletResponse res)
public static String calcEtag(SolrQueryRequest solrReq)
public static boolean isMatchingEtag(List<String> headerList,
String etag)
headerList - the ETag header related header elementsetag - the ETag to compare with
public static long calcLastModified(SolrQueryRequest solrReq)
public static void setCacheControlHeader(SolrConfig conf,
javax.servlet.http.HttpServletResponse resp,
Method method)
conf - The config of the SolrCore handling this requestresp - The servlet response object to modifymethod - The request method (GET, POST, ...) used by this request
public static boolean doCacheHeaderValidation(SolrQueryRequest solrReq,
javax.servlet.http.HttpServletRequest req,
Method reqMethod,
javax.servlet.http.HttpServletResponse resp)
public static boolean checkETagValidators(javax.servlet.http.HttpServletRequest req,
javax.servlet.http.HttpServletResponse resp,
Method reqMethod,
String etag)
public static boolean checkLastModValidators(javax.servlet.http.HttpServletRequest req,
javax.servlet.http.HttpServletResponse resp,
long lastMod)
public static void checkHttpCachingVeto(SolrQueryResponse solrRsp,
javax.servlet.http.HttpServletResponse resp,
Method reqMethod)
solrRsp - The Solr response objectresp - The HTTP servlet response objectreqMethod - The HTTP request type
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