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Camunda 7 Keycloak Identity Provider Plugin including all transitive dependencies
/*
* ====================================================================
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* .
*
*/
package org.apache.hc.client5.http.impl.classic;
import java.io.IOException;
import org.apache.hc.client5.http.HttpRoute;
import org.apache.hc.client5.http.classic.BackoffManager;
import org.apache.hc.client5.http.classic.ConnectionBackoffStrategy;
import org.apache.hc.client5.http.classic.ExecChain;
import org.apache.hc.client5.http.classic.ExecChainHandler;
import org.apache.hc.core5.annotation.Contract;
import org.apache.hc.core5.annotation.Experimental;
import org.apache.hc.core5.annotation.ThreadingBehavior;
import org.apache.hc.core5.http.ClassicHttpRequest;
import org.apache.hc.core5.http.ClassicHttpResponse;
import org.apache.hc.core5.http.HttpException;
import org.apache.hc.core5.util.Args;
/**
* Request execution handler in the classic request execution chain
* that is responsible for execution of an {@link ConnectionBackoffStrategy}.
*
* Further responsibilities such as communication with the opposite
* endpoint is delegated to the next executor in the request execution
* chain.
*
*
* @since 4.3
*/
@Contract(threading = ThreadingBehavior.STATELESS)
@Experimental
public final class BackoffStrategyExec implements ExecChainHandler {
private final ConnectionBackoffStrategy connectionBackoffStrategy;
private final BackoffManager backoffManager;
public BackoffStrategyExec(
final ConnectionBackoffStrategy connectionBackoffStrategy,
final BackoffManager backoffManager) {
super();
Args.notNull(connectionBackoffStrategy, "Connection backoff strategy");
Args.notNull(backoffManager, "Backoff manager");
this.connectionBackoffStrategy = connectionBackoffStrategy;
this.backoffManager = backoffManager;
}
@Override
public ClassicHttpResponse execute(
final ClassicHttpRequest request,
final ExecChain.Scope scope,
final ExecChain chain) throws IOException, HttpException {
Args.notNull(request, "HTTP request");
Args.notNull(scope, "Scope");
final HttpRoute route = scope.route;
final ClassicHttpResponse response;
try {
response = chain.proceed(request, scope);
} catch (final IOException | HttpException ex) {
if (this.connectionBackoffStrategy.shouldBackoff(ex)) {
this.backoffManager.backOff(route);
}
throw ex;
}
if (this.connectionBackoffStrategy.shouldBackoff(response)) {
this.backoffManager.backOff(route);
} else {
this.backoffManager.probe(route);
}
return response;
}
}