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Apache HttpComponents Core (non-blocking I/O)
/*
* ====================================================================
* 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.http.nio.protocol;
import java.io.IOException;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.nio.ContentEncoder;
import org.apache.http.nio.IOControl;
import org.apache.http.nio.entity.EntityAsyncContentProducer;
import org.apache.http.nio.entity.HttpAsyncContentProducer;
import org.apache.http.protocol.HTTP;
import org.apache.http.protocol.HttpContext;
/**
* This class changed from package private to public in version 4.4.8.
*
* @since 4.4.8
*/
public class ErrorResponseProducer implements HttpAsyncResponseProducer {
private final HttpResponse response;
private final HttpEntity entity;
private final HttpAsyncContentProducer contentProducer;
private final boolean keepAlive;
public ErrorResponseProducer(
final HttpResponse response,
final HttpEntity entity,
final boolean keepAlive) {
super();
this.response = response;
this.entity = entity;
if (entity instanceof HttpAsyncContentProducer) {
this.contentProducer = (HttpAsyncContentProducer) entity;
} else {
this.contentProducer = new EntityAsyncContentProducer(entity);
}
this.keepAlive = keepAlive;
}
@Override
public HttpResponse generateResponse() {
if (this.keepAlive) {
response.addHeader(HTTP.CONN_DIRECTIVE, HTTP.CONN_KEEP_ALIVE);
} else {
response.addHeader(HTTP.CONN_DIRECTIVE, HTTP.CONN_CLOSE);
}
response.setEntity(this.entity);
return response;
}
@Override
public void produceContent(
final ContentEncoder encoder, final IOControl ioctrl) throws IOException {
this.contentProducer.produceContent(encoder, ioctrl);
}
@Override
public void responseCompleted(final HttpContext context) {
}
@Override
public void failed(final Exception ex) {
}
@Override
public void close() throws IOException {
this.contentProducer.close();
}
}