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Merge pull request #23813 from izeye 

* pr/23813:
  Polish contribution
  Polish AbstractResource

Closes gh-23813
This commit is contained in:
Stephane Nicoll 2021-11-30 14:33:53 +01:00
parent da3b4cb65d 46cb5ab135
commit 9c1a0d32be
1 changed files with 12 additions and 13 deletions
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25
spring-core/src/main/java/org/springframework/core/io/AbstractResource.java
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@ -1,5 +1,5 @@
/*
* Copyright 2002-2020 the original author or authors.
* Copyright 2002-2021 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -25,6 +25,7 @@ import java.net.URISyntaxException;
import java.net.URL;
import java.nio.channels.Channels;
import java.nio.channels.ReadableByteChannel;
import java.util.function.Supplier;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@ -60,10 +61,7 @@ public abstract class AbstractResource implements Resource {
return getFile().exists();
}
catch (IOException ex) {
Log logger = LogFactory.getLog(getClass());
if (logger.isDebugEnabled()) {
logger.debug("Could not retrieve File for existence check of " + getDescription(), ex);
}
debug(() -> "Could not retrieve File for existence check of " + getDescription(), ex);
}
}
// Fall back to stream existence: can we open the stream?
@ -72,10 +70,7 @@ public abstract class AbstractResource implements Resource {
return true;
}
catch (Throwable ex) {
Log logger = LogFactory.getLog(getClass());
if (logger.isDebugEnabled()) {
logger.debug("Could not retrieve InputStream for existence check of " + getDescription(), ex);
}
debug(() -> "Could not retrieve InputStream for existence check of " + getDescription(), ex);
return false;
}
}
@ -174,10 +169,7 @@ public abstract class AbstractResource implements Resource {
is.close();
}
catch (IOException ex) {
Log logger = LogFactory.getLog(getClass());
if (logger.isDebugEnabled()) {
logger.debug("Could not close content-length InputStream for " + getDescription(), ex);
}
debug(() -> "Could not close content-length InputStream for " + getDescription(), ex);
}
}
}
@ -258,4 +250,11 @@ public abstract class AbstractResource implements Resource {
return getDescription();
}
private void debug(Supplier<String> message, Throwable ex) {
Log logger = LogFactory.getLog(getClass());
if (logger.isDebugEnabled()) {
logger.debug(message.get(), ex);
}
}
}