1 // Copyright 2013 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_RENDERER_HOST_JAVA_JNI_HELPER_H_ 6 #define CONTENT_BROWSER_RENDERER_HOST_JAVA_JNI_HELPER_H_ 7 8 #include <jni.h> 9 10 #include "content/common/content_export.h" 11 12 namespace 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. 20 CONTENT_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_RENDERER_HOST_JAVA_JNI_HELPER_H_ 28