/*
* ====================================================================
* 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.support;
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.HttpResponse;
import org.apache.hc.core5.http.Message;
import org.apache.hc.core5.http.nio.AsyncPushConsumer;
import org.apache.hc.core5.http.nio.AsyncResponseConsumer;
import org.apache.hc.core5.http.nio.CapacityChannel;
import org.apache.hc.core5.util.Args;
/**
* @since 5.0
*/
public class BasicAsyncPushHandler implements AsyncPushConsumer {
private final AsyncResponseConsumer> responseConsumer;
public BasicAsyncPushHandler(final AsyncResponseConsumer> responseConsumer) {
this.responseConsumer = Args.notNull(responseConsumer, "Response consumer");
}
protected void handleResponse(
final HttpRequest promise, final Message responseMessage) throws IOException, HttpException {
}
protected void handleError(final HttpRequest promise, final Exception cause) {
}
@Override
public void consumePromise(
final HttpRequest promise,
final HttpResponse response,
final EntityDetails entityDetails) throws HttpException, IOException {
responseConsumer.consumeResponse(response, entityDetails, new FutureCallback>() {
@Override
public void completed(final Message result) {
try {
handleResponse(promise, result);
} catch (Exception ex) {
failed(ex);
}
}
@Override
public void failed(final Exception cause) {
handleError(promise, cause);
releaseResources();
}
@Override
public void cancelled() {
releaseResources();
}
});
}
@Override
public final void updateCapacity(final CapacityChannel capacityChannel) throws IOException {
responseConsumer.updateCapacity(capacityChannel);
}
@Override
public final int consume(final ByteBuffer src) throws IOException {
return responseConsumer.consume(src);
}
@Override
public final void streamEnd(final List extends Header> trailers) throws HttpException, IOException {
responseConsumer.streamEnd(trailers);
}
@Override
public final void failed(final Exception cause) {
responseConsumer.failed(cause);
releaseResources();
}
@Override
public final void releaseResources() {
if (responseConsumer != null) {
responseConsumer.releaseResources();
}
}
}