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Reactively applying API and Proxy configuration changes.
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88 changes: 88 additions & 0 deletions
88
rapidoid-http-server/src/main/java/org/rapidoid/setup/APIConfigListener.java
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| Original file line number | Original file line | Diff line number | Diff line change |
|---|---|---|---|
| @@ -0,0 +1,88 @@ | |||
| package org.rapidoid.setup; | |||
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| /* | |||
| * #%L | |||
| * rapidoid-http-server | |||
| * %% | |||
| * Copyright (C) 2014 - 2016 Nikolche Mihajlovski and contributors | |||
| * %% | |||
| * 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. | |||
| * #L% | |||
| */ | |||
|
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| import org.rapidoid.RapidoidThing; | |||
| import org.rapidoid.annotation.Authors; | |||
| import org.rapidoid.annotation.Since; | |||
| import org.rapidoid.config.ConfigChanges; | |||
| import org.rapidoid.config.bean.APIConfig; | |||
| import org.rapidoid.http.HttpVerb; | |||
| import org.rapidoid.http.Req; | |||
| import org.rapidoid.http.ReqRespHandler; | |||
| import org.rapidoid.http.Resp; | |||
| import org.rapidoid.jdbc.JDBC; | |||
| import org.rapidoid.lambda.Operation; | |||
| import org.rapidoid.u.U; | |||
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| import java.util.Map; | |||
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| @Authors("Nikolche Mihajlovski") | |||
| @Since("5.3.0") | |||
| public class APIConfigListener extends RapidoidThing implements Operation<ConfigChanges> { | |||
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| @Override | |||
| public void execute(ConfigChanges changes) throws Exception { | |||
| for (Map.Entry<String, APIConfig> e : changes.getAddedOrChangedAs(APIConfig.class).entrySet()) { | |||
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| String apiKey = e.getKey().trim(); | |||
| APIConfig api = e.getValue(); | |||
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| applyAPIEntry(apiKey, api); | |||
| } | |||
| } | |||
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| private void applyAPIEntry(String apiKey, final APIConfig api) { | |||
| String[] verbUri = apiKey.split("\\s+"); | |||
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| final HttpVerb verb; | |||
| String uri; | |||
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| if (verbUri.length == 1) { | |||
| verb = HttpVerb.GET; | |||
| uri = verbUri[0]; | |||
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| } else if (verbUri.length == 2) { | |||
| verb = HttpVerb.from(verbUri[0]); | |||
| uri = verbUri[1]; | |||
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| } else { | |||
| throw U.rte("Invalid route!"); | |||
| } | |||
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| addApiHandler(api, verb, uri); | |||
| } | |||
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| private void addApiHandler(final APIConfig api, final HttpVerb verb, String uri) { | |||
| On.route(verb.name(), uri).json(new ReqRespHandler() { | |||
| @Override | |||
| public Object execute(Req req, Resp resp) throws Exception { | |||
| if (verb == HttpVerb.GET) { | |||
| return JDBC.query(api.sql); | |||
| } else { | |||
| int changes = JDBC.execute(api.sql); | |||
| return U.map("success", true, "changes", changes); // FIXME improve | |||
| } | |||
| } | |||
| }); | |||
| } | |||
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| } | |||
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52 changes: 52 additions & 0 deletions
52
rapidoid-http-server/src/main/java/org/rapidoid/setup/ProxyConfigListener.java
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| Original file line number | Original file line | Diff line number | Diff line change |
|---|---|---|---|
| @@ -0,0 +1,52 @@ | |||
| package org.rapidoid.setup; | |||
|
|
|||
| /* | |||
| * #%L | |||
| * rapidoid-http-server | |||
| * %% | |||
| * Copyright (C) 2014 - 2016 Nikolche Mihajlovski and contributors | |||
| * %% | |||
| * 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. | |||
| * #L% | |||
| */ | |||
|
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| import org.rapidoid.RapidoidThing; | |||
| import org.rapidoid.annotation.Authors; | |||
| import org.rapidoid.annotation.Since; | |||
| import org.rapidoid.config.ConfigChanges; | |||
| import org.rapidoid.config.bean.ProxyConfig; | |||
| import org.rapidoid.lambda.Operation; | |||
| import org.rapidoid.reverseproxy.Reverse; | |||
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| import java.util.Map; | |||
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| @Authors("Nikolche Mihajlovski") | |||
| @Since("5.3.0") | |||
| public class ProxyConfigListener extends RapidoidThing implements Operation<ConfigChanges> { | |||
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| @Override | |||
| public void execute(ConfigChanges changes) throws Exception { | |||
| for (Map.Entry<String, ProxyConfig> e : changes.getAddedOrChangedAs(ProxyConfig.class).entrySet()) { | |||
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| String uri = e.getKey().trim(); | |||
| ProxyConfig proxy = e.getValue(); | |||
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| applyProxyEntry(uri, proxy); | |||
| } | |||
| } | |||
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| private void applyProxyEntry(String uri, ProxyConfig proxy) { | |||
| Reverse.proxy().map(uri).to(proxy.upstream.split("\\s*\\,\\s*")); | |||
| } | |||
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| } | |||