content/common/android/command_line.cc

   1 // Copyright (c) 2012 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 "content/common/android/command_line.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::AppendJavaStringArrayToStringVector;
  14 using base::android::ConvertJavaStringToUTF8;
  15
  16 namespace {
  17
  18 void AppendJavaStringArrayToCommandLine(JNIEnv* env,
  19                                         jobjectArray array,
  20                                         bool includes_program) {
  21   std::vector<std::string> vec;
  22   if (array)
  23     AppendJavaStringArrayToStringVector(env, array, &vec);
  24   if (!includes_program)
  25     vec.insert(vec.begin(), "");
  26   CommandLine extra_command_line(vec);
  27   CommandLine::ForCurrentProcess()->AppendArguments(extra_command_line,
  28                                                     includes_program);
  29 }
  30
  31 }  // namespace
  32
  33 static void Reset(JNIEnv* env, jclass clazz) {
  34   CommandLine::Reset();
  35 }
  36
  37 static jboolean HasSwitch(JNIEnv* env, jclass clazz, jstring jswitch) {
  38   std::string switch_string(ConvertJavaStringToUTF8(env, jswitch));
  39   return CommandLine::ForCurrentProcess()->HasSwitch(switch_string);
  40 }
  41
  42 static jstring GetSwitchValue(JNIEnv* env, jclass clazz, jstring jswitch) {
  43   std::string switch_string(ConvertJavaStringToUTF8(env, jswitch));
  44   std::string value(CommandLine::ForCurrentProcess()->GetSwitchValueNative(
  45       switch_string));
  46   if (value.empty())
  47     return 0;
  48   // OK to release, JNI binding.
  49   return base::android::ConvertUTF8ToJavaString(env, value).Release();
  50 }
  51
  52 static void AppendSwitch(JNIEnv* env, jclass clazz, jstring jswitch) {
  53   std::string switch_string(ConvertJavaStringToUTF8(env, jswitch));
  54   CommandLine::ForCurrentProcess()->AppendSwitch(switch_string);
  55 }
  56
  57 static void AppendSwitchWithValue(JNIEnv* env, jclass clazz,
  58                                   jstring jswitch, jstring jvalue) {
  59   std::string switch_string(ConvertJavaStringToUTF8(env, jswitch));
  60   std::string value_string (ConvertJavaStringToUTF8(env, jvalue));
  61   CommandLine::ForCurrentProcess()->AppendSwitchASCII(switch_string,
  62                                                       value_string);
  63 }
  64
  65 static void AppendSwitchesAndArguments(JNIEnv* env, jclass clazz,
  66                                        jobjectArray array) {
  67   AppendJavaStringArrayToCommandLine(env, array, false);
  68 }
  69
  70 void InitNativeCommandLineFromJavaArray(JNIEnv* env, jobjectArray array) {
  71   // TODO(port): Make an overload of Init() that takes StringVector rather than
  72   // have to round-trip via AppendArguments.
  73   CommandLine::Init(0, NULL);
  74   AppendJavaStringArrayToCommandLine(env, array, true);
  75 }
  76
  77 bool RegisterCommandLine(JNIEnv* env) {
  78   return RegisterNativesImpl(env);
  79 }