/*
* 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.
*/
package org.apache.provisionr.amazon.config;
import org.apache.provisionr.amazon.AmazonProvisionr;
import org.apache.provisionr.api.provider.Provider;
import org.apache.provisionr.api.provider.ProviderBuilder;
import com.google.common.base.Optional;
import static com.google.common.base.Preconditions.checkNotNull;
public class DefaultProviderConfig {
private final String accessKey;
private final String secretKey;
private final String region;
private final String endpoint;
public DefaultProviderConfig(String accessKey, String secretKey, String region, String endpoint) {
this.accessKey = checkNotNull(accessKey, "accessKey is null");
this.secretKey = checkNotNull(secretKey, "secretKey is null");
this.region = checkNotNull(region, "region is null");
this.endpoint = checkNotNull(endpoint, "endpoint is null");
}
public Optional<Provider> createProvider() {
if (accessKey.isEmpty() || secretKey.isEmpty()) {
return Optional.absent();
}
final ProviderBuilder builder = Provider.builder()
.id(AmazonProvisionr.ID)
.accessKey(accessKey)
.secretKey(secretKey);
if (!region.isEmpty()) {
builder.option("region", region);
}
if (endpoint.isEmpty()) {
builder.endpoint(Optional.<String>absent());
} else {
builder.endpoint(endpoint);
}
return Optional.of(builder.createProvider());
}
}