io.confluent.connect.s3.DummyAssertiveCredentialsProvider.java Source code

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/*
 * 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));
        }
    }
}