/* * Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */package java.util.logging;import java.io.*;import java.net.*;/** * Simple network logging <tt>Handler</tt>. * <p> * <tt>LogRecords</tt> are published to a network stream connection. By default * the <tt>XMLFormatter</tt> class is used for formatting. * <p> * <b>Configuration:</b> * By default each <tt>SocketHandler</tt> is initialized using the following * <tt>LogManager</tt> configuration properties. If properties are not defined * (or have invalid values) then the specified default values are used. * <ul> * <li> java.util.logging.SocketHandler.level * specifies the default level for the <tt>Handler</tt> * (defaults to <tt>Level.ALL</tt>). * <li> java.util.logging.SocketHandler.filter * specifies the name of a <tt>Filter</tt> class to use * (defaults to no <tt>Filter</tt>). * <li> java.util.logging.SocketHandler.formatter * specifies the name of a <tt>Formatter</tt> class to use * (defaults to <tt>java.util.logging.XMLFormatter</tt>). * <li> java.util.logging.SocketHandler.encoding * the name of the character set encoding to use (defaults to * the default platform encoding). * <li> java.util.logging.SocketHandler.host * specifies the target host name to connect to (no default). * <li> java.util.logging.SocketHandler.port * specifies the target TCP port to use (no default). * </ul> * <p> * The output IO stream is buffered, but is flushed after each * <tt>LogRecord</tt> is written. * * @since 1.4 */public class SocketHandler extends StreamHandler { private Socket sock; private String host; private int port; private String portProperty; // Private method to configure a SocketHandler from LogManager // properties and/or default values as specified in the class // javadoc. private void configure() { LogManager manager = LogManager.getLogManager(); String cname = getClass().getName(); setLevel(manager.getLevelProperty(cname +".level", Level.ALL)); setFilter(manager.getFilterProperty(cname +".filter", null)); setFormatter(manager.getFormatterProperty(cname +".formatter", new XMLFormatter())); try { setEncoding(manager.getStringProperty(cname +".encoding", null)); } catch (Exception ex) { try { setEncoding(null); } catch (Exception ex2) { // doing a setEncoding with null should always work. // assert false; } } port = manager.getIntProperty(cname + ".port", 0); host = manager.getStringProperty(cname + ".host", null); } /** * Create a <tt>SocketHandler</tt>, using only <tt>LogManager</tt> properties * (or their defaults). * @throws IllegalArgumentException if the host or port are invalid or * are not specified as LogManager properties. * @throws IOException if we are unable to connect to the target * host and port. */ public SocketHandler() throws IOException { // We are going to use the logging defaults. sealed = false; configure(); try { connect(); } catch (IOException ix) { System.err.println("SocketHandler: connect failed to " + host + ":" + port); throw ix; } sealed = true; } /** * Construct a <tt>SocketHandler</tt> using a specified host and port. * * The <tt>SocketHandler</tt> is configured based on <tt>LogManager</tt> * properties (or their default values) except that the given target host * and port arguments are used. If the host argument is empty, but not * null String then the localhost is used. * * @param host target host. * @param port target port. * * @throws IllegalArgumentException if the host or port are invalid. * @throws IOException if we are unable to connect to the target * host and port. */ public SocketHandler(String host, int port) throws IOException { sealed = false; configure(); sealed = true; this.port = port; this.host = host; connect(); } private void connect() throws IOException { // Check the arguments are valid. if (port == 0) { throw new IllegalArgumentException("Bad port: " + port); } if (host == null) { throw new IllegalArgumentException("Null host name: " + host); } // Try to open a new socket. sock = new Socket(host, port); OutputStream out = sock.getOutputStream(); BufferedOutputStream bout = new BufferedOutputStream(out); setOutputStream(bout); } /** * Close this output stream. * * @exception SecurityException if a security manager exists and if * the caller does not have <tt>LoggingPermission("control")</tt>. */ public synchronized void close() throws SecurityException { super.close(); if (sock != null) { try { sock.close(); } catch (IOException ix) { // drop through. } } sock = null; } /** * Format and publish a <tt>LogRecord</tt>. * * @param record description of the log event. A null record is * silently ignored and is not published */ public synchronized void publish(LogRecord record) { if (!isLoggable(record)) { return; } super.publish(record); flush(); }}
/*
* Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package java.util.logging;
import java.io.*;
import java.net.*;
/**
* Simple network logging <tt>Handler</tt>.
* <p>
* <tt>LogRecords</tt> are published to a network stream connection. By default
* the <tt>XMLFormatter</tt> class is used for formatting.
* <p>
* <b>Configuration:</b>
* By default each <tt>SocketHandler</tt> is initialized using the following
* <tt>LogManager</tt> configuration properties. If properties are not defined
* (or have invalid values) then the specified default values are used.
* <ul>
* <li> java.util.logging.SocketHandler.level
* specifies the default level for the <tt>Handler</tt>
* (defaults to <tt>Level.ALL</tt>).
* <li> java.util.logging.SocketHandler.filter
* specifies the name of a <tt>Filter</tt> class to use
* (defaults to no <tt>Filter</tt>).
* <li> java.util.logging.SocketHandler.formatter
* specifies the name of a <tt>Formatter</tt> class to use
* (defaults to <tt>java.util.logging.XMLFormatter</tt>).
* <li> java.util.logging.SocketHandler.encoding
* the name of the character set encoding to use (defaults to
* the default platform encoding).
* <li> java.util.logging.SocketHandler.host
* specifies the target host name to connect to (no default).
* <li> java.util.logging.SocketHandler.port
* specifies the target TCP port to use (no default).
* </ul>
* <p>
* The output IO stream is buffered, but is flushed after each
* <tt>LogRecord</tt> is written.
*
* @since 1.4
*/
public class SocketHandler extends StreamHandler {
private Socket sock;
private String host;
private int port;
private String portProperty;
// Private method to configure a SocketHandler from LogManager
// properties and/or default values as specified in the class
// javadoc.
private void configure() {
LogManager manager = LogManager.getLogManager();
String cname = getClass().getName();
setLevel(manager.getLevelProperty(cname +".level", Level.ALL));
setFilter(manager.getFilterProperty(cname +".filter", null));
setFormatter(manager.getFormatterProperty(cname +".formatter", new XMLFormatter()));
try {
setEncoding(manager.getStringProperty(cname +".encoding", null));
} catch (Exception ex) {
try {
setEncoding(null);
} catch (Exception ex2) {
// doing a setEncoding with null should always work.
// assert false;
}
}
port = manager.getIntProperty(cname + ".port", 0);
host = manager.getStringProperty(cname + ".host", null);
}
/**
* Create a <tt>SocketHandler</tt>, using only <tt>LogManager</tt> properties
* (or their defaults).
* @throws IllegalArgumentException if the host or port are invalid or
* are not specified as LogManager properties.
* @throws IOException if we are unable to connect to the target
* host and port.
*/
public SocketHandler() throws IOException {
// We are going to use the logging defaults.
sealed = false;
configure();
try {
connect();
} catch (IOException ix) {
System.err.println("SocketHandler: connect failed to " + host + ":" + port);
throw ix;
}
sealed = true;
}
/**
* Construct a <tt>SocketHandler</tt> using a specified host and port.
*
* The <tt>SocketHandler</tt> is configured based on <tt>LogManager</tt>
* properties (or their default values) except that the given target host
* and port arguments are used. If the host argument is empty, but not
* null String then the localhost is used.
*
* @param host target host.
* @param port target port.
*
* @throws IllegalArgumentException if the host or port are invalid.
* @throws IOException if we are unable to connect to the target
* host and port.
*/
public SocketHandler(String host, int port) throws IOException {
sealed = false;
configure();
sealed = true;
this.port = port;
this.host = host;
connect();
}
private void connect() throws IOException {
// Check the arguments are valid.
if (port == 0) {
throw new IllegalArgumentException("Bad port: " + port);
}
if (host == null) {
throw new IllegalArgumentException("Null host name: " + host);
}
// Try to open a new socket.
sock = new Socket(host, port);
OutputStream out = sock.getOutputStream();
BufferedOutputStream bout = new BufferedOutputStream(out);
setOutputStream(bout);
}
/**
* Close this output stream.
*
* @exception SecurityException if a security manager exists and if
* the caller does not have <tt>LoggingPermission("control")</tt>.
*/
public synchronized void close() throws SecurityException {
super.close();
if (sock != null) {
try {
sock.close();
} catch (IOException ix) {
// drop through.
}
}
sock = null;
}
/**
* Format and publish a <tt>LogRecord</tt>.
*
* @param record description of the log event. A null record is
* silently ignored and is not published
*/
public synchronized void publish(LogRecord record) {
if (!isLoggable(record)) {
return;
}
super.publish(record);
flush();
}
}