base/android/command_line_android.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/android/command_line_android.h"
   6
   7 #include "base/android/jni_array.h"
   8 #include "base/android/jni_string.h"
   9 #include "base/command_line.h"
  10 #include "base/logging.h"
  11 #include "jni/CommandLine_jni.h"
  12
  13 using base::android::ConvertUTF8ToJavaString;
  14 using base::android::ConvertJavaStringToUTF8;
  15 using base::CommandLine;
  16
  17 namespace {
  18
  19 void AppendJavaStringArrayToCommandLine(JNIEnv* env,
  20                                         jobjectArray array,
  21                                         bool includes_program) {
  22   std::vector<std::string> vec;
  23   if (array)
  24     base::android::AppendJavaStringArrayToStringVector(env, array, &vec);
  25   if (!includes_program)
  26     vec.insert(vec.begin(), "");
  27   CommandLine extra_command_line(vec);
  28   CommandLine::ForCurrentProcess()->AppendArguments(extra_command_line,
  29                                                     includes_program);
  30 }
  31
  32 }  // namespace
  33
  34 static void Reset(JNIEnv* env, jclass clazz) {
  35   CommandLine::Reset();
  36 }
  37
  38 static jboolean HasSwitch(JNIEnv* env, jclass clazz, jstring jswitch) {
  39   std::string switch_string(ConvertJavaStringToUTF8(env, jswitch));
  40   return CommandLine::ForCurrentProcess()->HasSwitch(switch_string);
  41 }
  42
  43 static jstring GetSwitchValue(JNIEnv* env, jclass clazz, jstring jswitch) {
  44   std::string switch_string(ConvertJavaStringToUTF8(env, jswitch));
  45   std::string value(CommandLine::ForCurrentProcess()->GetSwitchValueNative(
  46       switch_string));
  47   if (value.empty())
  48     return 0;
  49   // OK to release, JNI binding.
  50   return ConvertUTF8ToJavaString(env, value).Release();
  51 }
  52
  53 static void AppendSwitch(JNIEnv* env, jclass clazz, jstring jswitch) {
  54   std::string switch_string(ConvertJavaStringToUTF8(env, jswitch));
  55   CommandLine::ForCurrentProcess()->AppendSwitch(switch_string);
  56 }
  57
  58 static void AppendSwitchWithValue(JNIEnv* env, jclass clazz,
  59                                   jstring jswitch, jstring jvalue) {
  60   std::string switch_string(ConvertJavaStringToUTF8(env, jswitch));
  61   std::string value_string (ConvertJavaStringToUTF8(env, jvalue));
  62   CommandLine::ForCurrentProcess()->AppendSwitchASCII(switch_string,
  63                                                       value_string);
  64 }
  65
  66 static void AppendSwitchesAndArguments(JNIEnv* env, jclass clazz,
  67                                        jobjectArray array) {
  68   AppendJavaStringArrayToCommandLine(env, array, false);
  69 }
  70
  71 namespace base {
  72 namespace android {
  73
  74 void InitNativeCommandLineFromJavaArray(JNIEnv* env, jobjectArray array) {
  75   // TODO(port): Make an overload of Init() that takes StringVector rather than
  76   // have to round-trip via AppendArguments.
  77   CommandLine::Init(0, NULL);
  78   AppendJavaStringArrayToCommandLine(env, array, true);
  79 }
  80
  81 bool RegisterCommandLine(JNIEnv* env) {
  82   return RegisterNativesImpl(env);
  83 }
  84
  85 }  // namespace android
  86 }  // namespace base