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// Copyright 2019 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 "url/android/gurl_android.h"
#include <jni.h>
#include <cstdint>
#include <string>
#include <vector>
#include "base/android/jni_android.h"
#include "base/android/jni_string.h"
#include "base/bind.h"
#include "base/callback.h"
#include "base/memory/ptr_util.h"
#include "url/android/parsed_android.h"
#include "url/gurl_jni_headers/GURL_jni.h"
#include "url/third_party/mozilla/url_parse.h"
using base::android::AttachCurrentThread;
using base::android::JavaParamRef;
using base::android::JavaRef;
using base::android::ScopedJavaLocalRef;
namespace url {
namespace {
static GURL FromJString(JNIEnv* env, const JavaRef<jstring>& uri) {
if (!uri)
return GURL();
return GURL(base::android::ConvertJavaStringToUTF16(env, uri));
static std::unique_ptr<GURL> FromJavaGURL(JNIEnv* env,
const JavaRef<jstring>& j_spec,
bool is_valid,
jlong parsed_ptr) {
Parsed* parsed = reinterpret_cast<Parsed*>(parsed_ptr);
const std::string& spec = ConvertJavaStringToUTF8(env, j_spec);
std::unique_ptr<GURL> gurl =
std::make_unique<GURL>(, parsed->Length(), *parsed, is_valid);
delete parsed;
return gurl;
static void InitFromGURL(JNIEnv* env,
const GURL& gurl,
const JavaRef<jobject>& target) {
env, target,
base::android::ConvertUTF8ToJavaString(env, gurl.possibly_invalid_spec()),
// As |GetArrayLength| makes no guarantees about the returned value (e.g., it
// may be -1 if |array| is not a valid Java array), provide a safe wrapper
// that always returns a valid, non-negative size.
template <typename JavaArrayType>
size_t SafeGetArrayLength(JNIEnv* env, const JavaRef<JavaArrayType>& jarray) {
jsize length = env->GetArrayLength(jarray.obj());
DCHECK_GE(length, 0) << "Invalid array length: " << length;
return static_cast<size_t>(std::max(0, length));
} // namespace
// static
std::unique_ptr<GURL> GURLAndroid::ToNativeGURL(
JNIEnv* env,
const base::android::JavaRef<jobject>& j_gurl) {
return base::WrapUnique<GURL>(
reinterpret_cast<GURL*>(Java_GURL_toNativeGURL(env, j_gurl)));
void GURLAndroid::JavaGURLArrayToGURLVector(
JNIEnv* env,
const base::android::JavaRef<jobjectArray>& array,
std::vector<GURL>* out) {
if (!array)
size_t len = SafeGetArrayLength(env, array);
for (size_t i = 0; i < len; ++i) {
ScopedJavaLocalRef<jobject> j_gurl(
env, static_cast<jobject>(env->GetObjectArrayElement(array.obj(), i)));
*reinterpret_cast<GURL*>(Java_GURL_toNativeGURL(env, j_gurl)));
// static
ScopedJavaLocalRef<jobject> GURLAndroid::FromNativeGURL(JNIEnv* env,
const GURL& gurl) {
ScopedJavaLocalRef<jobject> j_gurl = Java_GURL_Constructor(env);
InitFromGURL(env, gurl, j_gurl);
return j_gurl;
// static
ScopedJavaLocalRef<jobject> GURLAndroid::EmptyGURL(JNIEnv* env) {
return Java_GURL_emptyGURL(env);
// static
ScopedJavaLocalRef<jobjectArray> GURLAndroid::ToJavaArrayOfGURLs(
JNIEnv* env,
base::span<ScopedJavaLocalRef<jobject>> v) {
jclass clazz = org_chromium_url_GURL_clazz(env);
jobjectArray joa = env->NewObjectArray(v.size(), clazz, nullptr);
for (size_t i = 0; i < v.size(); ++i) {
env->SetObjectArrayElement(joa, i, v[i].obj());
return ScopedJavaLocalRef<jobjectArray>(env, joa);
static void JNI_GURL_GetOrigin(JNIEnv* env,
const JavaParamRef<jstring>& j_spec,
jboolean is_valid,
jlong parsed_ptr,
const JavaParamRef<jobject>& target) {
std::unique_ptr<GURL> gurl = FromJavaGURL(env, j_spec, is_valid, parsed_ptr);
InitFromGURL(env, gurl->GetOrigin(), target);
static jboolean JNI_GURL_DomainIs(JNIEnv* env,
const JavaParamRef<jstring>& j_spec,
jboolean is_valid,
jlong parsed_ptr,
const JavaParamRef<jstring>& j_domain) {
std::unique_ptr<GURL> gurl = FromJavaGURL(env, j_spec, is_valid, parsed_ptr);
const std::string& domain = ConvertJavaStringToUTF8(env, j_domain);
return gurl->DomainIs(domain);
static void JNI_GURL_Init(JNIEnv* env,
const base::android::JavaParamRef<jstring>& uri,
const base::android::JavaParamRef<jobject>& target) {
const GURL& gurl = FromJString(env, uri);
InitFromGURL(env, gurl, target);
static jlong JNI_GURL_CreateNative(JNIEnv* env,
const JavaParamRef<jstring>& j_spec,
jboolean is_valid,
jlong parsed_ptr) {
return reinterpret_cast<intptr_t>(
FromJavaGURL(env, j_spec, is_valid, parsed_ptr).release());
} // namespace url