45 * (defaults to no <tt>Filter</tt>). </li>
46 * <li> <handler-name>.formatter
47 * specifies the name of a <tt>Formatter</tt> class to use
48 * (defaults to <tt>java.util.logging.SimpleFormatter</tt>). </li>
49 * <li> <handler-name>.encoding
50 * the name of the character set encoding to use (defaults to
51 * the default platform encoding). </li>
52 * </ul>
53 * <p>
54 * For example, the properties for {@code ConsoleHandler} would be:
55 * <ul>
56 * <li> java.util.logging.ConsoleHandler.level=INFO </li>
57 * <li> java.util.logging.ConsoleHandler.formatter=java.util.logging.SimpleFormatter </li>
58 * </ul>
59 * <p>
60 * For a custom handler, e.g. com.foo.MyHandler, the properties would be:
61 * <ul>
62 * <li> com.foo.MyHandler.level=INFO </li>
63 * <li> com.foo.MyHandler.formatter=java.util.logging.SimpleFormatter </li>
64 * </ul>
65 * <p>
66 * @since 1.4
67 */
68 public class ConsoleHandler extends StreamHandler {
69
70 /**
71 * Create a <tt>ConsoleHandler</tt> for <tt>System.err</tt>.
72 * <p>
73 * The <tt>ConsoleHandler</tt> is configured based on
74 * <tt>LogManager</tt> properties (or their default values).
75 *
76 */
77 public ConsoleHandler() {
78 // configure with specific defaults for ConsoleHandler
79 super(Level.INFO, new SimpleFormatter(), null);
80
81 setOutputStreamPrivileged(System.err);
82 }
83
84 /**
85 * Publish a <tt>LogRecord</tt>.
86 * <p>
87 * The logging request was made initially to a <tt>Logger</tt> object,
88 * which initialized the <tt>LogRecord</tt> and forwarded it here.
89 * <p>
90 * @param record description of the log event. A null record is
91 * silently ignored and is not published
92 */
93 @Override
94 public void publish(LogRecord record) {
95 super.publish(record);
96 flush();
97 }
98
99 /**
100 * Override <tt>StreamHandler.close</tt> to do a flush but not
101 * to close the output stream. That is, we do <b>not</b>
102 * close <tt>System.err</tt>.
103 */
104 @Override
105 public void close() {
106 flush();
107 }
108 }
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45 * (defaults to no <tt>Filter</tt>). </li>
46 * <li> <handler-name>.formatter
47 * specifies the name of a <tt>Formatter</tt> class to use
48 * (defaults to <tt>java.util.logging.SimpleFormatter</tt>). </li>
49 * <li> <handler-name>.encoding
50 * the name of the character set encoding to use (defaults to
51 * the default platform encoding). </li>
52 * </ul>
53 * <p>
54 * For example, the properties for {@code ConsoleHandler} would be:
55 * <ul>
56 * <li> java.util.logging.ConsoleHandler.level=INFO </li>
57 * <li> java.util.logging.ConsoleHandler.formatter=java.util.logging.SimpleFormatter </li>
58 * </ul>
59 * <p>
60 * For a custom handler, e.g. com.foo.MyHandler, the properties would be:
61 * <ul>
62 * <li> com.foo.MyHandler.level=INFO </li>
63 * <li> com.foo.MyHandler.formatter=java.util.logging.SimpleFormatter </li>
64 * </ul>
65 *
66 * @since 1.4
67 */
68 public class ConsoleHandler extends StreamHandler {
69
70 /**
71 * Create a <tt>ConsoleHandler</tt> for <tt>System.err</tt>.
72 * <p>
73 * The <tt>ConsoleHandler</tt> is configured based on
74 * <tt>LogManager</tt> properties (or their default values).
75 *
76 */
77 public ConsoleHandler() {
78 // configure with specific defaults for ConsoleHandler
79 super(Level.INFO, new SimpleFormatter(), null);
80
81 setOutputStreamPrivileged(System.err);
82 }
83
84 /**
85 * Publish a <tt>LogRecord</tt>.
86 * <p>
87 * The logging request was made initially to a <tt>Logger</tt> object,
88 * which initialized the <tt>LogRecord</tt> and forwarded it here.
89 *
90 * @param record description of the log event. A null record is
91 * silently ignored and is not published
92 */
93 @Override
94 public void publish(LogRecord record) {
95 super.publish(record);
96 flush();
97 }
98
99 /**
100 * Override <tt>StreamHandler.close</tt> to do a flush but not
101 * to close the output stream. That is, we do <b>not</b>
102 * close <tt>System.err</tt>.
103 */
104 @Override
105 public void close() {
106 flush();
107 }
108 }
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