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HADOOP-14542. Add IOUtils.cleanupWithLogger that accepts slf4j logger API. Contributed by Chen Liang.

This commit is contained in:
Akira Ajisaka 2017-06-22 17:42:59 +09:00
parent 9ae9467f92
commit b64951905e
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1 changed files with 23 additions and 0 deletions
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23
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/IOUtils.java
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@ -38,6 +38,7 @@ import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.util.Shell;
import org.slf4j.Logger;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.IO_FILE_BUFFER_SIZE_DEFAULT;
import static org.apache.hadoop.fs.CommonConfigurationKeysPublic.IO_FILE_BUFFER_SIZE_KEY;
@ -260,6 +261,28 @@ public class IOUtils {
}
}
/**
* Close the Closeable objects and <b>ignore</b> any {@link Throwable} or
* null pointers. Must only be used for cleanup in exception handlers.
*
* @param logger the log to record problems to at debug level. Can be null.
* @param closeables the objects to close
*/
public static void cleanupWithLogger(Logger logger,
java.io.Closeable... closeables) {
for (java.io.Closeable c : closeables) {
if (c != null) {
try {
c.close();
} catch (Throwable e) {
if (logger != null) {
logger.debug("Exception in closing {}", c, e);
}
}
}
}
}
/**
* Closes the stream ignoring {@link Throwable}.
* Must only be called in cleaning up from exception handlers.