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RegionMetadataLoader.java
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RegionMetadataLoader.java
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/*
* Copyright 2010-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file 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 software.amazon.awssdk.codegen.lite.regions;
import com.fasterxml.jackson.jr.ob.JSON;
import java.io.File;
import java.io.IOException;
import software.amazon.awssdk.annotations.SdkInternalApi;
import software.amazon.awssdk.codegen.lite.regions.model.Partitions;
/**
* Loads all the partition files into memory.
*/
@SdkInternalApi
public final class RegionMetadataLoader {
private RegionMetadataLoader() {
}
public static Partitions build(File path) {
return loadPartitionFromStream(path, path.toString());
}
private static Partitions loadPartitionFromStream(File stream, String location) {
try {
return JSON.std.with(JSON.Feature.FAIL_ON_UNKNOWN_BEAN_PROPERTY)
.with(JSON.Feature.USE_IS_GETTERS)
.beanFrom(Partitions.class, stream);
} catch (IOException | RuntimeException e) {
throw new RuntimeException("Error while loading partitions file from " + location, e);
}
}
}