io.cdap.plugin.gcp.gcs.sink.DelegatingGCSOutputUtils Maven / Gradle / Ivy
/*
* Copyright © 2021 Cask Data, Inc.
*
* Licensed 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 io.cdap.plugin.gcp.gcs.sink;
import io.cdap.cdap.api.data.format.StructuredRecord;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.io.NullWritable;
import org.apache.hadoop.mapreduce.OutputFormat;
import java.io.IOException;
/**
* Utility class for the Delegating GCS Output classes.
*/
public class DelegatingGCSOutputUtils {
@SuppressWarnings("unchecked")
public static OutputFormat getDelegateFormat(Configuration hConf) throws IOException {
String delegateClassName = hConf.get(DelegatingGCSOutputFormat.DELEGATE_CLASS);
try {
Class> delegateClass =
(Class>) hConf.getClassByName(delegateClassName);
return delegateClass.newInstance();
} catch (Exception e) {
throw new IOException("Unable to instantiate output format for class " + delegateClassName, e);
}
}
public static String buildOutputPath(Configuration hConf, String context) {
return String.format("%s/%s/%s",
hConf.get(DelegatingGCSOutputFormat.OUTPUT_PATH_BASE_DIR),
context,
hConf.get(DelegatingGCSOutputFormat.OUTPUT_PATH_SUFFIX));
}
}