/*
* Copyright (c) 2013-2014 Sonatype, Inc. All rights reserved.
*
* This program is licensed to you under the Apache License Version 2.0,
* and you may not use this file except in compliance with the Apache License Version 2.0.
* You may obtain a copy of the Apache License Version 2.0 at http://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the Apache License Version 2.0 is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the Apache License Version 2.0 for the specific language governing permissions and limitations there under.
*/
package org.asynchttpclient.providers.grizzly.bodyhandler;
import static org.asynchttpclient.util.MiscUtils.isNonEmpty;
import org.asynchttpclient.Body;
import org.asynchttpclient.Request;
import org.asynchttpclient.multipart.MultipartBody;
import org.asynchttpclient.multipart.MultipartUtils;
import org.asynchttpclient.multipart.Part;
import org.asynchttpclient.providers.grizzly.FeedableBodyGenerator;
import org.asynchttpclient.providers.grizzly.GrizzlyAsyncHttpProvider;
import org.glassfish.grizzly.Buffer;
import org.glassfish.grizzly.filterchain.FilterChainContext;
import org.glassfish.grizzly.http.HttpRequestPacket;
import org.glassfish.grizzly.memory.Buffers;
import org.glassfish.grizzly.memory.MemoryManager;
import java.io.IOException;
import java.util.List;
public final class PartsBodyHandler extends BodyHandler {
// -------------------------------------------- Methods from BodyHandler
public boolean handlesBodyType(final Request request) {
return isNonEmpty(request.getParts());
}
public boolean doHandle(final FilterChainContext ctx, final Request request, final HttpRequestPacket requestPacket) throws IOException {
final List<Part> parts = request.getParts();
final MultipartBody multipartBody = MultipartUtils.newMultipartBody(parts, request.getHeaders());
requestPacket.setContentLengthLong(multipartBody.getContentLength());
requestPacket.setContentType(multipartBody.getContentType());
if (GrizzlyAsyncHttpProvider.LOGGER.isDebugEnabled()) {
GrizzlyAsyncHttpProvider.LOGGER.debug("REQUEST(modified): contentLength={}, contentType={}",
new Object[] { requestPacket.getContentLength(), requestPacket.getContentType() });
}
final FeedableBodyGenerator generator = new FeedableBodyGenerator() {
@Override
public Body createBody() throws IOException {
return multipartBody;
}
};
generator.setFeeder(new FeedableBodyGenerator.BaseFeeder(generator) {
@Override
public void flush() throws IOException {
final Body bodyLocal = feedableBodyGenerator.createBody();
try {
final MemoryManager mm = ctx.getMemoryManager();
boolean last = false;
while (!last) {
Buffer buffer = mm.allocate(BodyHandler.MAX_CHUNK_SIZE);
buffer.allowBufferDispose(true);
final long readBytes = bodyLocal.read(buffer.toByteBuffer());
if (readBytes > 0) {
buffer.position((int) readBytes);
buffer.trim();
} else {
buffer.dispose();
if (readBytes < 0) {
last = true;
buffer = Buffers.EMPTY_BUFFER;
} else {
throw new IllegalStateException("MultipartBody unexpectedly returned 0 bytes available");
}
}
feed(buffer, last);
}
} finally {
if (bodyLocal != null) {
try {
bodyLocal.close();
} catch (IOException ignore) {
}
}
}
}
});
generator.initializeAsynchronousTransfer(ctx, requestPacket);
return false;
}
} // END PartsBodyHandler