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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/java/util/logging/SimpleFormatter.java
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+/* SimpleFormatter.java --
+ A class for formatting log records into short human-readable messages
+ Copyright (C) 2002, 2004 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.util.logging;
+
+import gnu.java.lang.CPStringBuilder;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.text.DateFormat;
+import java.util.Date;
+
+/**
+ * A <code>SimpleFormatter</code> formats log records into
+ * short human-readable messages, typically one or two lines.
+ *
+ * @author Sascha Brawer (brawer@acm.org)
+ */
+public class SimpleFormatter
+ extends Formatter
+{
+ /**
+ * Constructs a SimpleFormatter.
+ */
+ public SimpleFormatter()
+ {
+ }
+
+
+ /**
+ * An instance of a DateFormatter that is used for formatting
+ * the time of a log record into a human-readable string,
+ * according to the rules of the current locale. The value
+ * is set after the first invocation of format, since it is
+ * common that a JVM will instantiate a SimpleFormatter without
+ * ever using it.
+ */
+ private DateFormat dateFormat;
+
+ /**
+ * The character sequence that is used to separate lines in the
+ * generated stream. Somewhat surprisingly, the Sun J2SE 1.4
+ * reference implementation always uses UNIX line endings, even on
+ * platforms that have different line ending conventions (i.e.,
+ * DOS). The GNU implementation does not replicate this bug.
+ *
+ * @see Sun bug parade, bug #4462871,
+ * "java.util.logging.SimpleFormatter uses hard-coded line separator".
+ */
+ static final String lineSep = System.getProperty("line.separator");
+
+
+ /**
+ * Formats a log record into a String.
+ *
+ * @param record the log record to be formatted.
+ *
+ * @return a short human-readable message, typically one or two
+ * lines. Lines are separated using the default platform line
+ * separator.
+ *
+ * @throws NullPointerException if <code>record</code>
+ * is <code>null</code>.
+ */
+ public String format(LogRecord record)
+ {
+ CPStringBuilder buf = new CPStringBuilder(180);
+
+ if (dateFormat == null)
+ dateFormat = DateFormat.getDateTimeInstance();
+
+ buf.append(dateFormat.format(new Date(record.getMillis())));
+ buf.append(' ');
+ buf.append(record.getSourceClassName());
+ buf.append(' ');
+ buf.append(record.getSourceMethodName());
+ buf.append(lineSep);
+
+ buf.append(record.getLevel());
+ buf.append(": ");
+ buf.append(formatMessage(record));
+
+ buf.append(lineSep);
+
+ Throwable throwable = record.getThrown();
+ if (throwable != null)
+ {
+ StringWriter sink = new StringWriter();
+ throwable.printStackTrace(new PrintWriter(sink, true));
+ buf.append(sink.toString());
+ }
+
+ return buf.toString();
+ }
+}