Retrieve article original URL from entryID

components/dom_distiller/core/dom_distiller_service_android.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/dom_distiller/core/dom_distiller_service_android.h"
 
 #include "base/android/jni_android.h"
+#include "base/android/jni_string.h"
+#include "base/android/scoped_java_ref.h"
 #include "components/dom_distiller/core/distilled_page_prefs.h"
 #include "components/dom_distiller/core/distilled_page_prefs_android.h"
 #include "components/dom_distiller/core/dom_distiller_service.h"
 #include "jni/DomDistillerService_jni.h"
 
+using base::android::ConvertUTF8ToJavaString;
+using base::android::ScopedJavaLocalRef;
+
 namespace dom_distiller {
 namespace android {
 
 DomDistillerServiceAndroid::DomDistillerServiceAndroid(
     DomDistillerService* service)
     : service_(service) {
   JNIEnv* env = base::android::AttachCurrentThread();
   base::android::ScopedJavaLocalRef<jobject> local_java_ref =
       Java_DomDistillerService_create(env, reinterpret_cast<intptr_t>(this));
   java_ref_.Reset(env, local_java_ref.obj());
 }
 
 DomDistillerServiceAndroid::~DomDistillerServiceAndroid() {
 }
 
+bool DomDistillerServiceAndroid::HasEntry(JNIEnv* env,
+                                          jobject obj,
+                                          jstring j_entry_id) {
+  const std::string entry_id =
+      base::android::ConvertJavaStringToUTF8(env, j_entry_id);
+  return service_->HasEntry(entry_id);
+}
+
+ScopedJavaLocalRef<jstring> DomDistillerServiceAndroid::GetUrlForEntry(
+    JNIEnv* env,
+    jobject obj,
+    jstring j_entry_id) {
+  const std::string entry_id =
+      base::android::ConvertJavaStringToUTF8(env, j_entry_id);
+  return ConvertUTF8ToJavaString(env, service_->GetUrlForEntry(entry_id));
+}
+
 jlong DomDistillerServiceAndroid::GetDistilledPagePrefsPtr(JNIEnv* env,
                                                            jobject obj) {
   return reinterpret_cast<intptr_t>(service_->GetDistilledPagePrefs());
 }
 
 bool DomDistillerServiceAndroid::Register(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace android
 }  // namespace dom_distiller