/*
* ====================================================================
* 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
* <http://www.apache.org/>.
*
*/
package org.apache.http.nio.protocol;
import java.io.IOException;
import java.util.Queue;
import org.apache.http.HttpEntity;
import org.apache.http.HttpRequest;
import org.apache.http.HttpResponse;
import org.apache.http.nio.entity.BufferingNHttpEntity;
import org.apache.http.nio.entity.ConsumingNHttpEntity;
import org.apache.http.nio.util.HeapByteBufferAllocator;
import org.apache.http.protocol.HttpContext;
import org.apache.http.util.EntityUtils;
abstract class RequestExecutionHandler
implements NHttpRequestExecutionHandler, HttpRequestExecutionHandler {
public void initalizeContext(final HttpContext context, final Object attachment) {
context.setAttribute("queue", attachment);
}
protected abstract HttpRequest generateRequest(Job testjob);
public HttpRequest submitRequest(final HttpContext context) {
@SuppressWarnings("unchecked")
Queue<Job> queue = (Queue<Job>) context.getAttribute("queue");
if (queue == null) {
throw new IllegalStateException("Queue is null");
}
Job testjob = queue.poll();
context.setAttribute("job", testjob);
if (testjob != null) {
return generateRequest(testjob);
} else {
return null;
}
}
public ConsumingNHttpEntity responseEntity(
final HttpResponse response,
final HttpContext context) throws IOException {
return new BufferingNHttpEntity(response.getEntity(),
new HeapByteBufferAllocator());
}
public void handleResponse(final HttpResponse response, final HttpContext context) {
Job testjob = (Job) context.removeAttribute("job");
if (testjob == null) {
throw new IllegalStateException("TestJob is null");
}
int statusCode = response.getStatusLine().getStatusCode();
String content = null;
HttpEntity entity = response.getEntity();
if (entity != null) {
try {
content = EntityUtils.toString(entity);
} catch (IOException ex) {
content = "I/O exception: " + ex.getMessage();
}
}
testjob.setResult(statusCode, content);
}
public void finalizeContext(final HttpContext context) {
Job testjob = (Job) context.removeAttribute("job");
if (testjob != null) {
testjob.fail("Request failed");
}
}
}