JUCE/src/native/android/juce_android_Network.cpp

/*
  ==============================================================================

   This file is part of the JUCE library - "Jules' Utility Class Extensions"
   Copyright 2004-10 by Raw Material Software Ltd.

  ------------------------------------------------------------------------------

   JUCE can be redistributed and/or modified under the terms of the GNU General
   Public License (Version 2), as published by the Free Software Foundation.
   A copy of the license is included in the JUCE distribution, or can be found
   online at www.gnu.org/licenses.

   JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

  ------------------------------------------------------------------------------

   To release a closed-source product which uses JUCE, commercial licenses are
   available: visit www.rawmaterialsoftware.com/juce for more information.

  ==============================================================================
*/

// (This file gets included by juce_android_NativeCode.cpp, rather than being
// compiled on its own).
#if JUCE_INCLUDED_FILE


//==============================================================================
void MACAddress::findAllAddresses (Array<MACAddress>& result)
{
    // TODO
}


bool PlatformUtilities::launchEmailWithAttachments (const String& targetEmailAddress,
                                                    const String& emailSubject,
                                                    const String& bodyText,
                                                    const StringArray& filesToAttach)
{
    // TODO

    return false;
}


//==============================================================================
class WebInputStream  : public InputStream
{
public:
    //==============================================================================
    WebInputStream (const String& address, bool isPost, const MemoryBlock& postData,
                    URL::OpenStreamProgressCallback* progressCallback, void* progressCallbackContext,
                    const String& headers, int timeOutMs, StringPairArray* responseHeaders)
    {
        jbyteArray postDataArray = 0;

        if (postData.getSize() > 0)
        {
            postDataArray = getEnv()->NewByteArray (postData.getSize());
            getEnv()->SetByteArrayRegion (postDataArray, 0, postData.getSize(), (const jbyte*) postData.getData());
        }

        LocalRef<jobject> responseHeaderBuffer (getEnv()->NewObject (android.stringBufferClass, android.stringBufferConstructor));

        stream = GlobalRef (android.activity.callObjectMethod (android.createHTTPStream,
                                                               javaString (address).get(),
                                                               (jboolean) isPost,
                                                               postDataArray,
                                                               javaString (headers).get(),
                                                               (jint) timeOutMs,
                                                               responseHeaderBuffer.get()));

        getEnv()->DeleteLocalRef (postDataArray);

        if (stream != 0)
        {
            StringArray headerLines;

            {
                LocalRef<jstring> headersString ((jstring) getEnv()->CallObjectMethod (responseHeaderBuffer.get(),
                                                                                       android.stringBufferToString));
                headerLines.addLines (juceString (headersString));
            }

            for (int i = 0; i < headerLines.size(); ++i)
            {
                const String& header = headerLines[i];
                const String key (header.upToFirstOccurrenceOf (": ", false, false));
                const String value (header.fromFirstOccurrenceOf (": ", false, false));
                const String previousValue ((*responseHeaders) [key]);

                responseHeaders->set (key, previousValue.isEmpty() ? value : (previousValue + "," + value));
            }

        }
    }

    ~WebInputStream()
    {
        stream.callVoidMethod (android.httpStreamRelease);
    }

    //==============================================================================
    bool isExhausted()
    {
        return stream != 0 && stream.callBooleanMethod (android.isExhausted);
    }

    int64 getPosition()
    {
        return stream != 0 ? stream.callLongMethod (android.getPosition) : 0;
    }

    int64 getTotalLength()
    {
        return stream != 0 ? stream.callLongMethod (android.getTotalLength) : 0;
    }

    bool setPosition (int64 wantedPos)
    {
        return stream != 0 && stream.callBooleanMethod (android.setPosition, (jlong) wantedPos);
    }

    int read (void* buffer, int bytesToRead)
    {
        JNIEnv* env = getEnv();

        jbyteArray javaArray = env->NewByteArray (bytesToRead);

        int numBytes = stream.callIntMethod (android.httpStreamRead, javaArray, (jint) bytesToRead);

        if (numBytes > 0)
            env->GetByteArrayRegion (javaArray, 0, numBytes, (jbyte*) buffer);

        env->DeleteLocalRef (javaArray);
        return numBytes;
    }

    //==============================================================================
    GlobalRef stream;

private:
    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (WebInputStream);
};

InputStream* URL::createNativeStream (const String& address, bool isPost, const MemoryBlock& postData,
                                      OpenStreamProgressCallback* progressCallback, void* progressCallbackContext,
                                      const String& headers, const int timeOutMs, StringPairArray* responseHeaders)
{
    ScopedPointer <WebInputStream> wi (new WebInputStream (address, isPost, postData,
                                                           progressCallback, progressCallbackContext,
                                                           headers, timeOutMs, responseHeaders));

    return wi->stream != 0 ? wi.release() : 0;
}

#endif