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-rw-r--r--java/util/logging/FileHandler.java75
1 files changed, 48 insertions, 27 deletions
diff --git a/java/util/logging/FileHandler.java b/java/util/logging/FileHandler.java
index cde861916..357d51e14 100644
--- a/java/util/logging/FileHandler.java
+++ b/java/util/logging/FileHandler.java
@@ -192,6 +192,42 @@ public class FileHandler
extends StreamHandler
{
/**
+ * A literal that prefixes all file-handler related properties in the
+ * logging.properties file.
+ */
+ private static final String PROPERTY_PREFIX = "java.util.logging.FileHandler";
+ /**
+ * The name of the property to set for specifying a file naming (incl. path)
+ * pattern to use with rotating log files.
+ */
+ private static final String PATTERN_KEY = PROPERTY_PREFIX + ".pattern";
+ /**
+ * The default pattern to use when the <code>PATTERN_KEY</code> property was
+ * not specified in the logging.properties file.
+ */
+ private static final String DEFAULT_PATTERN = "%h/java%u.log";
+ /**
+ * The name of the property to set for specifying an approximate maximum
+ * amount, in bytes, to write to any one log output file. A value of zero
+ * (which is the default) implies a no limit.
+ */
+ private static final String LIMIT_KEY = PROPERTY_PREFIX + ".limit";
+ private static final int DEFAULT_LIMIT = 0;
+ /**
+ * The name of the property to set for specifying how many output files to
+ * cycle through. The default value is 1.
+ */
+ private static final String COUNT_KEY = PROPERTY_PREFIX + ".count";
+ private static final int DEFAULT_COUNT = 1;
+ /**
+ * The name of the property to set for specifying whether this handler should
+ * append, or not, its output to existing files. The default value is
+ * <code>false</code> meaning NOT to append.
+ */
+ private static final String APPEND_KEY = PROPERTY_PREFIX + ".append";
+ private static final boolean DEFAULT_APPEND = false;
+
+ /**
* The number of bytes a log file is approximately allowed to reach
* before it is closed and the handler switches to the next file in
* the rotating set. A value of zero means that files can grow
@@ -252,16 +288,10 @@ public class FileHandler
public FileHandler()
throws IOException, SecurityException
{
- this(/* pattern: use configiguration */ null,
-
- LogManager.getIntProperty("java.util.logging.FileHandler.limit",
- /* default */ 0),
-
- LogManager.getIntProperty("java.util.logging.FileHandler.count",
- /* default */ 1),
-
- LogManager.getBooleanProperty("java.util.logging.FileHandler.append",
- /* default */ false));
+ this(LogManager.getLogManager().getProperty(PATTERN_KEY),
+ LogManager.getIntProperty(LIMIT_KEY, DEFAULT_LIMIT),
+ LogManager.getIntProperty(COUNT_KEY, DEFAULT_COUNT),
+ LogManager.getBooleanProperty(APPEND_KEY, DEFAULT_APPEND));
}
@@ -269,10 +299,7 @@ public class FileHandler
public FileHandler(String pattern)
throws IOException, SecurityException
{
- this(pattern,
- /* limit */ 0,
- /* count */ 1,
- /* append */ false);
+ this(pattern, DEFAULT_LIMIT, DEFAULT_COUNT, DEFAULT_APPEND);
}
@@ -280,10 +307,7 @@ public class FileHandler
public FileHandler(String pattern, boolean append)
throws IOException, SecurityException
{
- this(pattern,
- /* limit */ 0,
- /* count */ 1,
- append);
+ this(pattern, DEFAULT_LIMIT, DEFAULT_COUNT, append);
}
@@ -292,9 +316,7 @@ public class FileHandler
throws IOException, SecurityException
{
this(pattern, limit, count,
- LogManager.getBooleanProperty(
- "java.util.logging.FileHandler.append",
- /* default */ false));
+ LogManager.getBooleanProperty(APPEND_KEY, DEFAULT_APPEND));
}
@@ -350,7 +372,7 @@ public class FileHandler
throws IOException, SecurityException
{
super(/* output stream, created below */ null,
- "java.util.logging.FileHandler",
+ PROPERTY_PREFIX,
/* default level */ Level.ALL,
/* formatter */ null,
/* default formatter */ XMLFormatter.class);
@@ -358,14 +380,14 @@ public class FileHandler
if ((limit <0) || (count < 1))
throw new IllegalArgumentException();
- this.pattern = pattern;
+ this.pattern = pattern != null ? pattern : DEFAULT_PATTERN;
this.limit = limit;
this.count = count;
this.append = append;
this.written = 0;
this.logFiles = new LinkedList ();
- setOutputStream (createFileStream (pattern, limit, count, append,
+ setOutputStream (createFileStream (this.pattern, limit, count, append,
/* generation */ 0));
}
@@ -389,10 +411,9 @@ public class FileHandler
* LogManager configuration property.
*/
if (pattern == null)
- pattern = LogManager.getLogManager().getProperty(
- "java.util.logging.FileHandler.pattern");
+ pattern = LogManager.getLogManager().getProperty(PATTERN_KEY);
if (pattern == null)
- pattern = "%h/java%u.log";
+ pattern = DEFAULT_PATTERN;
if (count > 1 && !has (pattern, 'g'))
pattern = pattern + ".%g";