components/policy/core/browser/android/policy_converter.h

   1 // Copyright 2015 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 #ifndef COMPONENTS_POLICY_CORE_BROWSER_ANDROID_POLICY_CONVERTER_H
   6 #define COMPONENTS_POLICY_CORE_BROWSER_ANDROID_POLICY_CONVERTER_H
   7
   8 #include <jni.h>
   9 #include <string>
  10
  11 #include "base/android/scoped_java_ref.h"
  12 #include "base/macros.h"
  13 #include "base/memory/scoped_ptr.h"
  14 #include "components/policy/policy_export.h"
  15
  16 namespace base {
  17
  18 class Value;
  19 class ListValue;
  20
  21 }  // namespace base
  22
  23 namespace policy {
  24
  25 class PolicyBundle;
  26 class Schema;
  27
  28 namespace android {
  29
  30 // Populates natives policies from Java key/value pairs. With its associated
  31 // java classes, allows transforming Android |Bundle|s into |PolicyBundle|s.
  32 class POLICY_EXPORT PolicyConverter {
  33  public:
  34   explicit PolicyConverter(const Schema* policy_schema);
  35   ~PolicyConverter();
  36
  37   // Returns a policy bundle containing all policies collected since the last
  38   // call to this method.
  39   scoped_ptr<PolicyBundle> GetPolicyBundle();
  40
  41   base::android::ScopedJavaLocalRef<jobject> GetJavaObject();
  42
  43   // To be called from Java:
  44   void SetPolicyBoolean(JNIEnv* env,
  45                         jobject obj,
  46                         jstring policyKey,
  47                         jboolean value);
  48   void SetPolicyInteger(JNIEnv* env,
  49                         jobject obj,
  50                         jstring policyKey,
  51                         jint value);
  52   void SetPolicyString(JNIEnv* env,
  53                        jobject obj,
  54                        jstring policyKey,
  55                        jstring value);
  56   void SetPolicyStringArray(JNIEnv* env,
  57                             jobject obj,
  58                             jstring policyKey,
  59                             jobjectArray value);
  60
  61   // Converts the passed in value to the type desired by the schema. If the
  62   // value is not convertible, it is returned unchanged, so the policy system
  63   // can report the error.
  64   // Note that this method will only look at the type of the schema, not at any
  65   // additional restrictions, or the schema for value's items or properties in
  66   // the case of a list or dictionary value.
  67   // Public for testing.
  68   static scoped_ptr<base::Value> ConvertValueToSchema(
  69       scoped_ptr<base::Value> value,
  70       const Schema& schema);
  71
  72   // Public for testing.
  73   static scoped_ptr<base::ListValue> ConvertJavaStringArrayToListValue(
  74       JNIEnv* env,
  75       jobjectArray array);
  76
  77   // Register native methods
  78   static bool Register(JNIEnv* env);
  79
  80  private:
  81   const Schema* const policy_schema_;
  82
  83   scoped_ptr<PolicyBundle> policy_bundle_;
  84
  85   base::android::ScopedJavaGlobalRef<jobject> java_obj_;
  86
  87   void SetPolicyValue(const std::string& key,
  88                       scoped_ptr<base::Value> raw_value);
  89
  90   DISALLOW_COPY_AND_ASSIGN(PolicyConverter);
  91 };
  92
  93 }  // namespace android
  94 }  // namespace policy
  95
  96 #endif  // COMPONENTS_POLICY_CORE_BROWSER_ANDROID_POLICY_CONVERTER_H