1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 /* 18 * java.lang.SystemProperties 19 */ 20 #include "Dalvik.h" 21 #include "native/InternalNativePriv.h" 22 23 24 /* 25 * Expected call sequence: 26 * (1) call SystemProperties.preInit() to get VM defaults 27 * (2) set any higher-level defaults 28 * (3) call SystemProperties.postInit() to get command-line overrides 29 * This currently happens the first time somebody tries to access a property. 30 * 31 * SystemProperties is a Dalvik-specific package-scope class. 32 */ 33 34 /* 35 * void preInit() 36 * 37 * Tells the VM to populate the properties table with VM defaults. 38 */ 39 static void Dalvik_java_lang_SystemProperties_preInit(const u4* args, 40 JValue* pResult) 41 { 42 dvmCreateDefaultProperties((Object*) args[0]); 43 RETURN_VOID(); 44 } 45 46 /* 47 * void postInit() 48 * 49 * Tells the VM to update properties with values from the command line. 50 */ 51 static void Dalvik_java_lang_SystemProperties_postInit(const u4* args, 52 JValue* pResult) 53 { 54 dvmSetCommandLineProperties((Object*) args[0]); 55 RETURN_VOID(); 56 } 57 58 const DalvikNativeMethod dvm_java_lang_SystemProperties[] = { 59 { "preInit", "()V", 60 Dalvik_java_lang_SystemProperties_preInit }, 61 { "postInit", "()V", 62 Dalvik_java_lang_SystemProperties_postInit }, 63 { NULL, NULL, NULL }, 64 }; 65