1 /* 2 * Copyright (c) 2011, 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 25 #ifndef SHARE_VM_SERVICES_DIAGNOSTICARGUMENT_HPP 26 #define SHARE_VM_SERVICES_DIAGNOSTICARGUMENT_HPP 27 28 #include "classfile/vmSymbols.hpp" 29 #include "memory/allocation.hpp" 30 #include "runtime/os.hpp" 31 #include "runtime/thread.hpp" 32 #include "utilities/exceptions.hpp" 33 34 class GenDCmdArgument : public ResourceObj { 35 protected: 36 GenDCmdArgument* _next; 37 const char* _name; 38 const char* _description; 39 const char* _type; 40 const char* _default_string; 41 bool _is_set; 42 bool _is_mandatory; 43 GenDCmdArgument(const char* name, const char* description, const char* type, 44 const char* default_string, bool mandatory) { 45 _name = name; 46 _description = description; 47 _type = type; 48 _default_string = default_string; 49 _is_mandatory = mandatory; 50 _is_set = false; 51 }; 52 public: 53 const char* name() { return _name; } 54 const char* description() { return _description; } 55 const char* type() { return _type; } 56 const char* default_string() { return _default_string; } 57 bool is_set() { return _is_set; } 58 void set_is_set(bool b) { _is_set = b; } 59 bool is_mandatory() { return _is_mandatory; } 60 bool has_value() { return _is_set || _default_string != NULL; } 61 bool has_default() { return _default_string != NULL; } 62 void read_value(const char* str, size_t len, TRAPS); 63 virtual void parse_value(const char* str, size_t len, TRAPS) = 0; 64 virtual void init_value(TRAPS) = 0; 65 virtual void reset(TRAPS) = 0; 66 virtual void cleanup() = 0; 67 void set_next(GenDCmdArgument* arg) { 68 _next = arg; 69 } 70 GenDCmdArgument* next() { 71 return _next; 72 } 73 }; 74 75 template <class ArgType> class DCmdArgument: public GenDCmdArgument { 76 private: 77 ArgType _value; 78 public: 79 DCmdArgument(const char* name, const char* description, const char* type, 80 bool mandatory) : 81 GenDCmdArgument(name, description, type, NULL, mandatory) { } 82 DCmdArgument(const char* name, const char* description, const char* type, 83 bool mandatory, const char* defaultvalue) : 84 GenDCmdArgument(name, description, type, defaultvalue, mandatory) 85 { } 86 ~DCmdArgument() { destroy_value(); } 87 ArgType value() { return _value;} 88 void set_value(ArgType v) { _value = v; } 89 void reset(TRAPS) { 90 destroy_value(); 91 init_value(CHECK); 92 _is_set = false; 93 } 94 void cleanup() { 95 destroy_value(); 96 } 97 void parse_value(const char* str, size_t len, TRAPS); 98 void init_value(TRAPS); 99 void destroy_value(); 100 }; 101 102 #endif /* SHARE_VM_SERVICES_DIAGNOSTICARGUMENT_HPP */