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Diffstat (limited to 'libjava/classpath/java/util/logging/SocketHandler.java')
-rw-r--r-- | libjava/classpath/java/util/logging/SocketHandler.java | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/libjava/classpath/java/util/logging/SocketHandler.java b/libjava/classpath/java/util/logging/SocketHandler.java deleted file mode 100644 index 3c17b9b..0000000 --- a/libjava/classpath/java/util/logging/SocketHandler.java +++ /dev/null @@ -1,220 +0,0 @@ -/* SocketHandler.java -- a class for publishing log messages to network sockets - Copyright (C) 2002 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; - - -/** - * A <code>SocketHandler</code> publishes log records to - * a TCP/IP socket. - * - * <p><strong>Configuration:</strong> Values of the subsequent - * <code>LogManager</code> properties are taken into consideration - * when a <code>SocketHandler</code> is initialized. - * If a property is not defined, or if it has an invalid - * value, a default is taken without an exception being thrown. - * - * <ul> - * - * <li><code>java.util.SocketHandler.level</code> - specifies - * the initial severity level threshold. Default value: - * <code>Level.ALL</code>.</li> - * - * <li><code>java.util.SocketHandler.filter</code> - specifies - * the name of a Filter class. Default value: No Filter.</li> - * - * <li><code>java.util.SocketHandler.formatter</code> - specifies - * the name of a Formatter class. Default value: - * <code>java.util.logging.XMLFormatter</code>.</li> - * - * <li><code>java.util.SocketHandler.encoding</code> - specifies - * the name of the character encoding. Default value: - * the default platform encoding.</li> - * - * <li><code>java.util.SocketHandler.host</code> - specifies - * the name of the host to which records are published. - * There is no default value for this property; if it is - * not set, the SocketHandler constructor will throw - * an exception.</li> - * - * <li><code>java.util.SocketHandler.port</code> - specifies - * the TCP/IP port to which records are published. - * There is no default value for this property; if it is - * not set, the SocketHandler constructor will throw - * an exception.</li> - * - * </ul> - * - * @author Sascha Brawer (brawer@acm.org) - */ -public class SocketHandler - extends StreamHandler -{ - /** - * Constructs a <code>SocketHandler</code> that publishes log - * records to a TCP/IP socket. Tthe initial configuration is - * determined by the <code>LogManager</code> properties described - * above. - * - * @throws java.io.IOException if the connection to the specified - * network host and port cannot be established. - * - * @throws java.lang.IllegalArgumentException if either the - * <code>java.util.logging.SocketHandler.host</code> - * or <code>java.util.logging.SocketHandler.port</code> - * LogManager properties is not defined, or specifies - * an invalid value. - */ - public SocketHandler() - throws java.io.IOException - { - this(LogManager.getLogManager().getProperty("java.util.logging.SocketHandler.host"), - getPortNumber()); - } - - - /** - * Constructs a <code>SocketHandler</code> that publishes log - * records to a TCP/IP socket. With the exception of the internet - * host and port, the initial configuration is determined by the - * <code>LogManager</code> properties described above. - * - * @param host the Internet host to which log records will be - * forwarded. - * - * @param port the port at the host which will accept a request - * for a TCP/IP connection. - * - * @throws java.io.IOException if the connection to the specified - * network host and port cannot be established. - * - * @throws java.lang.IllegalArgumentException if either - * <code>host</code> or <code>port</code> specify - * an invalid value. - */ - public SocketHandler(String host, int port) - throws java.io.IOException - { - super(createSocket(host, port), - "java.util.logging.SocketHandler", - /* default level */ Level.ALL, - /* formatter */ null, - /* default formatter */ XMLFormatter.class); - } - - - /** - * Retrieves the port number from the java.util.logging.SocketHandler.port - * LogManager property. - * - * @throws IllegalArgumentException if the property is not defined or - * does not specify an integer value. - */ - private static int getPortNumber() - { - try { - return Integer.parseInt(LogManager.getLogManager().getProperty("java.util.logging.SocketHandler.port")); - } catch (Exception ex) { - throw new IllegalArgumentException(); - } - } - - - /** - * Creates an OutputStream for publishing log records to an Internet - * host and port. This private method is a helper for use by the - * constructor of SocketHandler. - * - * @param host the Internet host to which log records will be - * forwarded. - * - * @param port the port at the host which will accept a request - * for a TCP/IP connection. - * - * @throws java.io.IOException if the connection to the specified - * network host and port cannot be established. - * - * @throws java.lang.IllegalArgumentException if either - * <code>host</code> or <code>port</code> specify - * an invalid value. - */ - private static java.io.OutputStream createSocket(String host, int port) - throws java.io.IOException, java.lang.IllegalArgumentException - { - java.net.Socket socket; - - if ((host == null) || (port < 1)) - throw new IllegalArgumentException(); - - socket = new java.net.Socket(host, port); - - socket.shutdownInput(); - - /* The architecture of the logging framework provides replaceable - * formatters. Because these formatters perform their task by - * returning one single String for each LogRecord to be formatted, - * there is no need to buffer. - */ - socket.setTcpNoDelay(true); - - return socket.getOutputStream(); - } - - - /** - * Publishes a <code>LogRecord</code> to the network socket, - * provided the record passes all tests for being loggable. - * In addition, all data that may have been buffered will - * be forced to the network stream. - * - * <p>Most applications do not need to call this method directly. - * Instead, they will use a {@link Logger} instance, which will - * create LogRecords and distribute them to registered handlers. - * - * <p>In case of an I/O failure, the <code>ErrorManager</code> - * of this <code>SocketHandler</code> will be informed, but the caller - * of this method will not receive an exception. - * - * @param record the log event to be published. - */ - public void publish(LogRecord record) - { - super.publish(record); - flush(); - } -} |