| // Copyright 2010-2014, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #ifndef MOZC_BASE_ANDROID_UTIL_H_ |
| #define MOZC_BASE_ANDROID_UTIL_H_ |
| |
| #include <jni.h> |
| #include <map> |
| #include <set> |
| #include <string> |
| |
| #include "base/port.h" |
| |
| // for FRIEND_TEST() |
| #include "testing/base/public/gunit_prod.h" |
| |
| namespace mozc { |
| |
| class AndroidUtil { |
| public: |
| // Frequently used property names. |
| static const char kSystemPropertyOsVersion[]; |
| static const char kSystemPropertyModel[]; |
| static const char kSystemPropertySdkVersion[]; |
| |
| // Reads system property from file system. |
| // Note that dynamic properties (e.g. ro.build.date) |
| // cannot be obtained. |
| // If no property is found or something goes wrong, |
| // returns |default_value|. |
| // Typical usage : |
| // EXPECT_EQ( |
| // "Nexus One", |
| // AndroidUtil::GetSystemProperty(kAndroidSystemPropertyModel)); |
| // Note : Using ::popen("getprop [property name]", "r") is better solution |
| // but currently popen seems to be unstable. |
| static string GetSystemProperty(const string &key, |
| const string &default_value); |
| |
| // Gets JNIEnv* from JavaVM*. |
| static JNIEnv *GetEnv(JavaVM *vm); |
| private: |
| FRIEND_TEST(AndroidUtilTest, ParseLine_valid); |
| FRIEND_TEST(AndroidUtilTest, ParseLine_invalid); |
| |
| // Gets the property's value, which is read from file system. |
| // If successfully done, the result will be stored in |output| and |
| // returns true. |
| // If something goes wrong (e.g. file system error, non-existent property |
| // name), returns false. |output| is undefined. |
| static bool GetPropertyFromFile(const string &key, string *output); |
| |
| // Parses the line. |
| // If the returned value is ture, the property's key and value string are |
| // returned as |lhs| and |rhs| respectively. |
| // If false, |line| is malformed. |
| // In this case |lhs| and |rhs| are not modified. |
| static bool ParseLine(const string &line, string *lhs, string *rhs); |
| |
| static map<string, string> property_cache; |
| static set<string> undefined_keys; |
| |
| DISALLOW_IMPLICIT_CONSTRUCTORS(AndroidUtil); |
| }; |
| |
| } // namespace mozc |
| #endif // MOZC_BASE_ANDROID_UTIL_H |