1 /*
   2  * Copyright (c) 2016, 2019, 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 #include "precompiled.hpp"
  26 #include "jfr/jni/jfrJavaSupport.hpp"
  27 #include "jfr/utilities/jfrJavaLog.hpp"
  28 #include "jfr/utilities/jfrLog.hpp"
  29 
  30 void JfrJavaLog::subscribe_log_level(jobject log_tag, jint id, TRAPS) {
  31 // jdk8 doesn't support log level, so do nothing
  32 }
  33 
  34 void JfrJavaLog::log(jint tag_set, jint level, jstring message, TRAPS) {
  35   DEBUG_ONLY(JfrJavaSupport::check_java_thread_in_vm(THREAD));
  36   if (message == NULL) {
  37     return;
  38   }
  39   ResourceMark rm(THREAD);
  40   const char* const s = JfrJavaSupport::c_str(message, CHECK);
  41   assert(s != NULL, "invariant");
  42   
  43   switch(level) {
  44   case LogLevel::Off:
  45     break;
  46   case LogLevel::Trace:
  47     log_trace(jfr)(s);
  48     break;
  49   case LogLevel::Debug:
  50     log_debug(jfr)(s);
  51     break;
  52   case LogLevel::Info:
  53     log_info(jfr)(s);
  54     break;
  55   case LogLevel::Warning:
  56     log_warning(jfr)(s);
  57     break;
  58   case LogLevel::Error:
  59     log_error(jfr)(s);
  60     break;  
  61   default:
  62     break;
  63   }
  64 }