/*
* ====================================================================
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* .
*
*/
package org.apache.hc.core5.http.nio;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.List;
import org.apache.hc.core5.concurrent.FutureCallback;
import org.apache.hc.core5.http.EntityDetails;
import org.apache.hc.core5.http.Header;
import org.apache.hc.core5.http.HttpException;
import org.apache.hc.core5.http.HttpRequest;
import org.apache.hc.core5.http.Message;
import org.apache.hc.core5.util.Args;
/**
* @since 5.0
*/
public class BasicRequestConsumer implements AsyncRequestConsumer> {
private final AsyncEntityConsumer dataConsumer;
public BasicRequestConsumer(final AsyncEntityConsumer dataConsumer) {
this.dataConsumer = dataConsumer;
}
@Override
public void consumeRequest(
final HttpRequest request,
final EntityDetails entityDetails,
final FutureCallback> resultCallback) throws HttpException, IOException {
Args.notNull(request, "Request");
Args.notNull(resultCallback, "Result callback");
if (entityDetails != null) {
dataConsumer.streamStart(entityDetails, new FutureCallback() {
@Override
public void completed(final T result) {
resultCallback.completed(new Message<>(request, result));
}
@Override
public void failed(final Exception ex) {
resultCallback.failed(ex);
}
@Override
public void cancelled() {
resultCallback.cancelled();
}
});
} else {
resultCallback.completed(new Message<>(request, (T) null));
}
}
@Override
public void updateCapacity(final CapacityChannel capacityChannel) throws IOException {
dataConsumer.updateCapacity(capacityChannel);
}
@Override
public int consume(final ByteBuffer src) throws IOException {
return dataConsumer.consume(src);
}
@Override
public void streamEnd(final List extends Header> trailers) throws HttpException, IOException {
dataConsumer.streamEnd(trailers);
}
@Override
public void failed(final Exception cause) {
releaseResources();
}
@Override
public void releaseResources() {
dataConsumer.releaseResources();
}
}