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| 1 | +package org.jivesoftware.openfire.plugin.rest; |
| 2 | + |
| 3 | +import org.jivesoftware.openfire.stats.i18nStatistic; |
| 4 | +import org.slf4j.Logger; |
| 5 | +import org.slf4j.LoggerFactory; |
| 6 | + |
| 7 | +import javax.annotation.Nonnull; |
| 8 | +import javax.ws.rs.container.ContainerRequestContext; |
| 9 | +import javax.ws.rs.container.ContainerResponseContext; |
| 10 | +import javax.ws.rs.container.ContainerResponseFilter; |
| 11 | +import javax.ws.rs.core.Response; |
| 12 | +import java.io.IOException; |
| 13 | +import java.util.Collection; |
| 14 | +import java.util.HashSet; |
| 15 | +import java.util.concurrent.ConcurrentHashMap; |
| 16 | +import java.util.concurrent.ConcurrentMap; |
| 17 | + |
| 18 | +public class StatisticsFilter implements ContainerResponseFilter |
| 19 | +{ |
| 20 | + private static final Logger Log = LoggerFactory.getLogger(StatisticsFilter.class); |
| 21 | + |
| 22 | + private static final ConcurrentMap<Response.Status.Family, Long> ratePerFamily = new ConcurrentHashMap<>(); |
| 23 | + |
| 24 | + private static ConcurrentMap<Response.Status.Family, Long> getStatsCollection() { |
| 25 | + return ratePerFamily; |
| 26 | + } |
| 27 | + @Override |
| 28 | + public void filter(ContainerRequestContext requestContext, ContainerResponseContext responseContext) throws IOException |
| 29 | + { |
| 30 | + final Response.StatusType statusInfo = responseContext.getStatusInfo(); |
| 31 | + if (statusInfo == null) { |
| 32 | + Log.warn("Cannot record statistics for a response that contains no status info. Response context object: {}", responseContext); |
| 33 | + } else { |
| 34 | + StatisticsFilter.getStatsCollection().merge(statusInfo.getFamily(), 1L, Long::sum); |
| 35 | + } |
| 36 | + } |
| 37 | + |
| 38 | + public static Collection<RestResponseFamilyStatistic> generateAllFamilyStatisticInstances() { |
| 39 | + final Collection<RestResponseFamilyStatistic> result = new HashSet<>(); |
| 40 | + for (Response.Status.Family family : Response.Status.Family.values()) { |
| 41 | + result.add(new RestResponseFamilyStatistic(family)); |
| 42 | + } |
| 43 | + return result; |
| 44 | + } |
| 45 | + |
| 46 | + public static class RestResponseFamilyStatistic extends i18nStatistic |
| 47 | + { |
| 48 | + public static final String GROUP = "restapi_responses"; |
| 49 | + |
| 50 | + private final Response.Status.Family family; |
| 51 | + |
| 52 | + public RestResponseFamilyStatistic(@Nonnull final Response.Status.Family family) |
| 53 | + { |
| 54 | + super(GROUP + "." + family.toString().toLowerCase(), "restapi", Type.rate); |
| 55 | + this.family = family; |
| 56 | + } |
| 57 | + |
| 58 | + @Override |
| 59 | + public double sample() |
| 60 | + { |
| 61 | + final Long oldValue = StatisticsFilter.getStatsCollection().replace(family, 0L); |
| 62 | + return oldValue == null ? 0 : oldValue; |
| 63 | + } |
| 64 | + |
| 65 | + @Override |
| 66 | + public boolean isPartialSample() |
| 67 | + { |
| 68 | + return true; |
| 69 | + } |
| 70 | + |
| 71 | + public String getGroupName() { |
| 72 | + return GROUP; |
| 73 | + } |
| 74 | + |
| 75 | + public String getKeyName() { |
| 76 | + return family.toString().toLowerCase(); |
| 77 | + } |
| 78 | + } |
| 79 | +} |
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