Java tutorial
/* * Copyright 2018 Confluent Inc. * * Licensed under the Confluent Community License (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.confluent.io/confluent-community-license * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OF ANY KIND, either express or implied. See the License for the * specific language governing permissions and limitations under the License. */ package io.confluent.connect.s3; import com.amazonaws.auth.AWSCredentials; import com.amazonaws.auth.AWSCredentialsProvider; import com.amazonaws.auth.BasicAWSCredentials; import org.apache.kafka.common.Configurable; import org.apache.kafka.common.config.ConfigException; import java.util.Map; import static org.junit.Assert.assertEquals; class DummyAssertiveCredentialsProvider implements AWSCredentialsProvider, Configurable { public static final String ACCESS_KEY_NAME = "access.key"; public static final String SECRET_KEY_NAME = "secret.key"; public static final String CONFIGS_NUM_KEY_NAME = "configs.num"; private AWSCredentials credentials; @Override public AWSCredentials getCredentials() { return credentials; } @Override public void refresh() { throw new UnsupportedOperationException("Refresh is not supported for this credentials provider"); } @Override public void configure(final Map<String, ?> configs) { final String accessKeyId = (String) configs.get(ACCESS_KEY_NAME); final String secretKey = (String) configs.get(SECRET_KEY_NAME); final Integer configsNum = Integer.valueOf((String) configs.get(CONFIGS_NUM_KEY_NAME)); validateConfigs(configs); assertEquals(configsNum.intValue(), configs.size()); credentials = new BasicAWSCredentials(accessKeyId, secretKey); } private void validateConfigs(Map<String, ?> configs) { if (!configs.containsKey(ACCESS_KEY_NAME) || !configs.containsKey(SECRET_KEY_NAME)) { throw new ConfigException(String.format("%s and %s are mandatory configuration properties", ACCESS_KEY_NAME, SECRET_KEY_NAME)); } } }