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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.feedhandler;
import com.yahoo.clientmetrics.RouteMetricSet;
import com.yahoo.feedapi.FeedContext;
import com.yahoo.feedapi.Feeder;
import com.yahoo.feedapi.JsonFeeder;
import com.yahoo.feedapi.MessagePropertyProcessor;
import com.yahoo.feedapi.SimpleFeedAccess;
import com.yahoo.feedapi.SingleSender;
import com.yahoo.feedapi.XMLFeeder;
import com.yahoo.messagebus.Error;
import com.yahoo.messagebus.ErrorCode;
import java.util.List;
/**
* Feed documents from a com.yahoo.container.handler.Request.
*
* @author Thomas Gundersen
* @author steinar
*/
public final class VespaFeedHandler extends VespaFeedHandlerBase {
public static final String JSON_INPUT = "jsonInput";
private VespaFeedHandler(FeedContext context) {
super(context);
}
public static VespaFeedHandler createFromContext(FeedContext context) {
return new VespaFeedHandler(context);
}
public FeedResponse handle(InputStreamRequest request, RouteMetricSet.ProgressCallback callback, int numThreads) {
MessagePropertyProcessor.PropertySetter properties = getPropertyProcessor().buildPropertySetter(request);
String route = properties.getRoute().toString();
FeedResponse response = new FeedResponse(new RouteMetricSet(route, callback));
SingleSender sender = new SingleSender(response, getSharedSender(route));
sender.addMessageProcessor(properties);
ThreadedFeedAccess feedAccess = new ThreadedFeedAccess(numThreads, sender);
Feeder feeder = createFeeder(feedAccess, request);
feeder.setAbortOnDocumentError(properties.getAbortOnDocumentError());
feeder.setCreateIfNonExistent(properties.getCreateIfNonExistent());
response.setAbortOnFeedError(properties.getAbortOnFeedError());
List<String> errors = feeder.parse();
for (String s : errors) {
response.addXMLParseError(s);
}
sender.done();
feedAccess.close();
long millis = getTimeoutMillis(request);
boolean completed = sender.waitForPending(millis);
if (!completed) {
response.addError(new Error(ErrorCode.TIMEOUT, "Timed out after " + millis + " ms waiting for responses"));
}
response.done();
return response;
}
private Feeder createFeeder(SimpleFeedAccess sender, InputStreamRequest request) {
if ( ! Boolean.parseBoolean(request.getProperty(JSON_INPUT))) {
return new XMLFeeder(getDocumentTypeManager(), sender, getRequestInputStream(request));
}
return new JsonFeeder(getDocumentTypeManager(), sender, getRequestInputStream(request));
}
}
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