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      1 /*
      2  * Copyright 2010, The Android Open Source Project
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *  * Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  *  * Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #define LOG_TAG "WebCore"
     27 
     28 #include "config.h"
     29 #include "MIMETypeRegistry.h"
     30 
     31 #include "PlatformString.h"
     32 #include "WebCoreJni.h"
     33 
     34 #include <JNIUtility.h>
     35 #include <jni.h>
     36 #include <utils/Log.h>
     37 
     38 namespace WebCore {
     39 
     40 String MIMETypeRegistry::getMIMETypeForExtension(const String& ext)
     41 {
     42     JNIEnv* env = JSC::Bindings::getJNIEnv();
     43     jclass mimeClass = env->FindClass("android/webkit/MimeTypeMap");
     44     LOG_ASSERT(mimeClass, "Could not find class MimeTypeMap");
     45     jmethodID mimeTypeFromExtension = env->GetStaticMethodID(mimeClass,
     46             "mimeTypeFromExtension",
     47             "(Ljava/lang/String;)Ljava/lang/String;");
     48     LOG_ASSERT(mimeTypeFromExtension,
     49             "Could not find method mimeTypeFromExtension");
     50     jstring extString =
     51             env->NewString((const jchar*) ext.characters(), ext.length());
     52     jobject mimeType = env->CallStaticObjectMethod(mimeClass,
     53             mimeTypeFromExtension, extString);
     54     String result = android::to_string(env, (jstring) mimeType);
     55     env->DeleteLocalRef(mimeClass);
     56     env->DeleteLocalRef(extString);
     57     env->DeleteLocalRef(mimeType);
     58     return result;
     59 }
     60 
     61 }
     62