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, const JavaParamRef<jclass>& clazz) {
  35   CommandLine::Reset();
  36 }
  37
  38 static jboolean HasSwitch(JNIEnv* env,
  39                           const JavaParamRef<jclass>& clazz,
  40                           const JavaParamRef<jstring>& jswitch) {
  41   std::string switch_string(ConvertJavaStringToUTF8(env, jswitch));
  42   return CommandLine::ForCurrentProcess()->HasSwitch(switch_string);
  43 }
  44
  45 static ScopedJavaLocalRef<jstring> GetSwitchValue(
  46     JNIEnv* env,
  47     const JavaParamRef<jclass>& clazz,
  48     const JavaParamRef<jstring>& jswitch) {
  49   std::string switch_string(ConvertJavaStringToUTF8(env, jswitch));
  50   std::string value(CommandLine::ForCurrentProcess()->GetSwitchValueNative(
  51       switch_string));
  52   if (value.empty())
  53     return ScopedJavaLocalRef<jstring>();
  54   return ConvertUTF8ToJavaString(env, value);
  55 }
  56
  57 static void AppendSwitch(JNIEnv* env,
  58                          const JavaParamRef<jclass>& clazz,
  59                          const JavaParamRef<jstring>& jswitch) {
  60   std::string switch_string(ConvertJavaStringToUTF8(env, jswitch));
  61   CommandLine::ForCurrentProcess()->AppendSwitch(switch_string);
  62 }
  63
  64 static void AppendSwitchWithValue(JNIEnv* env,
  65                                   const JavaParamRef<jclass>& clazz,
  66                                   const JavaParamRef<jstring>& jswitch,
  67                                   const JavaParamRef<jstring>& jvalue) {
  68   std::string switch_string(ConvertJavaStringToUTF8(env, jswitch));
  69   std::string value_string (ConvertJavaStringToUTF8(env, jvalue));
  70   CommandLine::ForCurrentProcess()->AppendSwitchASCII(switch_string,
  71                                                       value_string);
  72 }
  73
  74 static void AppendSwitchesAndArguments(
  75     JNIEnv* env,
  76     const JavaParamRef<jclass>& clazz,
  77     const JavaParamRef<jobjectArray>& array) {
  78   AppendJavaStringArrayToCommandLine(env, array, false);
  79 }
  80
  81 namespace base {
  82 namespace android {
  83
  84 void InitNativeCommandLineFromJavaArray(JNIEnv* env, jobjectArray array) {
  85   // TODO(port): Make an overload of Init() that takes StringVector rather than
  86   // have to round-trip via AppendArguments.
  87   CommandLine::Init(0, NULL);
  88   AppendJavaStringArrayToCommandLine(env, array, true);
  89 }
  90
  91 bool RegisterCommandLine(JNIEnv* env) {
  92   return RegisterNativesImpl(env);
  93 }
  94
  95 }  // namespace android
  96 }  // namespace base