1// Copyright 2014 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 CONTENT_BROWSER_ANDROID_JAVA_JNI_HELPER_H_
6#define CONTENT_BROWSER_ANDROID_JAVA_JNI_HELPER_H_
7
8#include <jni.h>
9
10#include "content/common/content_export.h"
11
12namespace content {
13
14// Gets the method ID from the class name. Clears the pending Java exception
15// and returns NULL if the method is not found. Caches results.
16// Strings passed to this function are held in the cache and MUST remain valid
17// beyond the duration of all future calls to this function, across all
18// threads. In practice, this means that the function should only be used with
19// string constants.
20CONTENT_EXPORT jmethodID GetMethodIDFromClassName(JNIEnv* env,
21                                                  const char* class_name,
22                                                  const char* method,
23                                                  const char* jni_signature);
24
25}  // namespace content
26
27#endif  // CONTENT_BROWSER_ANDROID_JAVA_JNI_HELPER_H_
28