2362N/A * Copyright (c) 2000, 2006, Oracle and/or its affiliates. All rights reserved. 0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 0N/A * This code is free software; you can redistribute it and/or modify it 0N/A * under the terms of the GNU General Public License version 2 only, as 2362N/A * published by the Free Software Foundation. Oracle designates this 0N/A * particular file as subject to the "Classpath" exception as provided 2362N/A * by Oracle in the LICENSE file that accompanied this code. 0N/A * This code is distributed in the hope that it will be useful, but WITHOUT 0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 0N/A * version 2 for more details (a copy is included in the LICENSE file that 0N/A * accompanied this code). 0N/A * You should have received a copy of the GNU General Public License version 0N/A * 2 along with this work; if not, write to the Free Software Foundation, 0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2362N/A * or visit www.oracle.com if you need additional information or have any 0N/A * Stream based logging <tt>Handler</tt>. 0N/A * This is primarily intended as a base class or support class to 0N/A * be used in implementing other logging <tt>Handlers</tt>. 0N/A * <tt>LogRecords</tt> are published to a given <tt>java.io.OutputStream</tt>. 0N/A * <b>Configuration:</b> 0N/A * By default each <tt>StreamHandler</tt> is initialized using the following 0N/A * <tt>LogManager</tt> configuration properties. If properties are not defined 0N/A * (or have invalid values) then the specified default values are used. 0N/A * <li> java.util.logging.StreamHandler.level 0N/A * specifies the default level for the <tt>Handler</tt> 0N/A * (defaults to <tt>Level.INFO</tt>). 0N/A * <li> java.util.logging.StreamHandler.filter 0N/A * specifies the name of a <tt>Filter</tt> class to use 0N/A * (defaults to no <tt>Filter</tt>). 0N/A * <li> java.util.logging.StreamHandler.formatter 0N/A * specifies the name of a <tt>Formatter</tt> class to use 0N/A * (defaults to <tt>java.util.logging.SimpleFormatter</tt>). 0N/A * <li> java.util.logging.StreamHandler.encoding 0N/A * the name of the character set encoding to use (defaults to 0N/A * the default platform encoding). 0N/A // Private method to configure a StreamHandler from LogManager 0N/A // properties and/or default values as specified in the class 0N/A // doing a setEncoding with null should always work. 0N/A * Create a <tt>StreamHandler</tt>, with no current output stream. 0N/A * Create a <tt>StreamHandler</tt> with a given <tt>Formatter</tt> 0N/A * and output stream. 0N/A * @param out the target output stream 0N/A * @param formatter Formatter to be used to format output 0N/A * Change the output stream. 0N/A * If there is a current output stream then the <tt>Formatter</tt>'s 0N/A * tail string is written and the stream is flushed and closed. 0N/A * Then the output stream is replaced with the new output stream. 0N/A * @param out New output stream. May not be null. 0N/A * @exception SecurityException if a security manager exists and if 0N/A * the caller does not have <tt>LoggingPermission("control")</tt>. 0N/A // This shouldn't happen. The setEncoding method 0N/A // should have validated that the encoding is OK. 0N/A * Set (or change) the character encoding used by this <tt>Handler</tt>. 0N/A * The encoding should be set before any <tt>LogRecords</tt> are written 0N/A * to the <tt>Handler</tt>. 0N/A * @param encoding The name of a supported character encoding. 0N/A * May be null, to indicate the default platform encoding. 0N/A * @exception SecurityException if a security manager exists and if 0N/A * the caller does not have <tt>LoggingPermission("control")</tt>. 0N/A * @exception UnsupportedEncodingException if the named encoding is 0N/A // Replace the current writer with a writer for the new encoding. 0N/A * Format and publish a <tt>LogRecord</tt>. 0N/A * The <tt>StreamHandler</tt> first checks if there is an <tt>OutputStream</tt> 0N/A * and if the given <tt>LogRecord</tt> has at least the required log level. 0N/A * If not it silently returns. If so, it calls any associated 0N/A * <tt>Filter</tt> to check if the record should be published. If so, 0N/A * it calls its <tt>Formatter</tt> to format the record and then writes 0N/A * the result to the current output stream. 0N/A * If this is the first <tt>LogRecord</tt> to be written to a given 0N/A * <tt>OutputStream</tt>, the <tt>Formatter</tt>'s "head" string is 0N/A * written to the stream before the <tt>LogRecord</tt> is written. 0N/A * @param record description of the log event. A null record is 0N/A * silently ignored and is not published 0N/A // We don't want to throw an exception here, but we 0N/A // report the exception to any registered ErrorManager. 0N/A // We don't want to throw an exception here, but we 0N/A // report the exception to any registered ErrorManager. 0N/A * Check if this <tt>Handler</tt> would actually log a given <tt>LogRecord</tt>. 0N/A * This method checks if the <tt>LogRecord</tt> has an appropriate level and 0N/A * whether it satisfies any <tt>Filter</tt>. It will also return false if 1664N/A * no output stream has been assigned yet or the LogRecord is null. 0N/A * @param record a <tt>LogRecord</tt> 0N/A * @return true if the <tt>LogRecord</tt> would be logged. 0N/A * Flush any buffered messages. 0N/A // We don't want to throw an exception here, but we 0N/A // report the exception to any registered ErrorManager. 0N/A // We don't want to throw an exception here, but we 0N/A // report the exception to any registered ErrorManager. 0N/A * Close the current output stream. 0N/A * The <tt>Formatter</tt>'s "tail" string is written to the stream before it 0N/A * is closed. In addition, if the <tt>Formatter</tt>'s "head" string has not 0N/A * yet been written to the stream, it will be written before the 0N/A * @exception SecurityException if a security manager exists and if 0N/A * the caller does not have LoggingPermission("control").