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Issue #4620 - Better support for alt PrintStream in StdErrLog 

Signed-off-by: Joakim Erdfelt <joakim.erdfelt@gmail.com>
This commit is contained in:
Joakim Erdfelt 2020-03-02 10:18:46 -06:00
parent b014e2faca
commit f2a4c6b615
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1 changed files with 17 additions and 11 deletions
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28
jetty-util/src/main/java/org/eclipse/jetty/util/log/StdErrLog.java
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@ -135,7 +135,8 @@ public class StdErrLog extends AbstractLogger
private int _level;
// Level that this Logger was configured as (remembered in special case of .setDebugEnabled())
private int _configuredLevel;
private PrintStream _stderr = System.err;
// The alternate stream to print to (if set)
private PrintStream _altStream;
private boolean _source;
// Print the long form names, otherwise use abbreviated
private boolean _printLongNames = __long;
@ -389,16 +390,14 @@ public class StdErrLog extends AbstractLogger
this._level = level;
}
/**
* The alternate stream to use for STDERR.
*
* @param stream the stream of choice, or {@code null} to use {@link System#err}
*/
public void setStdErrStream(PrintStream stream)
{
if (stream == null)
{
this._stderr = System.err;
}
else
{
this._stderr = stream;
}
this._altStream = stream;
}
@Override
@ -442,7 +441,14 @@ public class StdErrLog extends AbstractLogger
private void println(StringBuilder builder)
{
_stderr.println(builder);
if (_altStream != null)
_altStream.println(builder);
else
{
// We always use the PrintStream stored in System.err,
// just in case someone has replaced it with a call to System.setErr(PrintStream)
System.err.println(builder);
}
}
private void format(StringBuilder builder, String level, String msg, Object... inArgs)
@ -648,7 +654,7 @@ public class StdErrLog extends AbstractLogger
StdErrLog logger = new StdErrLog(fullname);
// Preserve configuration for new loggers configuration
logger.setPrintLongNames(_printLongNames);
logger._stderr = this._stderr;
logger._altStream = this._altStream;
// Force the child to have any programmatic configuration
if (_level != _configuredLevel)