Java tutorial
/* * Copyright 2010 Proofpoint, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.proofpoint.discovery.store; import com.google.common.collect.ImmutableMap; import com.google.common.collect.Maps; import com.proofpoint.units.Duration; import javax.inject.Inject; import javax.ws.rs.Consumes; import javax.ws.rs.GET; import javax.ws.rs.POST; import javax.ws.rs.Path; import javax.ws.rs.PathParam; import javax.ws.rs.Produces; import javax.ws.rs.core.Response; import javax.ws.rs.core.Response.Status; import java.util.List; import java.util.Map; @Path("/v1/store/{store}") public class StoreResource { private final Map<String, InMemoryStore> localStores; private final Map<String, Duration> tombstoneMaxAges; @Inject public StoreResource(Map<String, InMemoryStore> localStores, Map<String, StoreConfig> configs) { this.localStores = ImmutableMap.copyOf(localStores); this.tombstoneMaxAges = ImmutableMap.copyOf(Maps.transformValues(configs, StoreConfig::getTombstoneMaxAge)); } @POST @Consumes({ "application/x-jackson-smile", "application/json" }) public Response setMultipleEntries(@PathParam("store") String storeName, List<Entry> entries) { InMemoryStore store = localStores.get(storeName); Duration tombstoneMaxAge = tombstoneMaxAges.get(storeName); if (store == null || tombstoneMaxAge == null) { return Response.status(Status.NOT_FOUND).build(); } for (Entry entry : entries) { if (!isExpired(tombstoneMaxAge, entry)) { store.put(entry); } } return Response.noContent().build(); } @GET @Produces({ "application/x-jackson-smile", "application/json" }) public Response getAll(@PathParam("store") String storeName) { InMemoryStore store = localStores.get(storeName); if (store == null) { return Response.status(Status.NOT_FOUND).build(); } return Response.ok(store.getAll()).build(); } private static boolean isExpired(Duration tombstoneMaxAge, Entry entry) { long ageInMs = System.currentTimeMillis() - entry.getTimestamp(); return (entry.getValue() == null && ageInMs > tombstoneMaxAge.toMillis()) || (entry.getMaxAgeInMs() != null && ageInMs > entry.getMaxAgeInMs()); } }