1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 #ifndef SHARE_VM_LOGGING_LOGOUTPUT_HPP 25 #define SHARE_VM_LOGGING_LOGOUTPUT_HPP 26 #include "logging/logDecorators.hpp" 27 #include "memory/allocation.hpp" 28 #include "utilities/globalDefinitions.hpp" 29 30 class LogDecorations; 31 32 // The base class/interface for log outputs. 33 // Keeps track of the latest configuration string, 34 // and its selected decorators. 35 class LogOutput : public CHeapObj<mtInternal> { 36 protected: 37 LogDecorators _decorators; 38 char* _config_string; 39 40 public: 41 static LogOutput* const Stdout; 42 static LogOutput* const Stderr; 43 44 void set_decorators(const LogDecorators &decorators) { 45 _decorators = decorators; 46 } 47 48 const LogDecorators& decorators() const { 49 return _decorators; 50 } 51 52 const char* config_string() const { 53 return _config_string; 54 } 55 56 LogOutput() : _config_string(NULL) { 57 } 58 59 virtual ~LogOutput(); 60 void set_config_string(const char* string); 61 62 virtual const char* name() const = 0; 63 virtual bool initialize(const char* options) = 0; 64 virtual int write(const LogDecorations &decorations, const char* msg) = 0; 65 }; 66 67 #endif