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 * ownership. Elasticsearch licenses this file to you under
 * the Apache License, Version 2.0 (the "License"); you may
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 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
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 * software distributed under the License is distributed on an
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package org.elasticsearch.plugin.ingest.rest;

import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.rest.*;

import static org.elasticsearch.plugin.ingest.IngestPlugin.*;
import static org.elasticsearch.plugin.ingest.IngestPlugin.INGEST_PARAM_CONTEXT_KEY;

public class IngestRestFilter extends RestFilter {

    @Inject
    public IngestRestFilter(RestController controller) {
        controller.registerFilter(this);
    }

    @Override
    public void process(RestRequest request, RestChannel channel, RestFilterChain filterChain) throws Exception {
        request.putInContext(INGEST_PARAM_CONTEXT_KEY, request.param(INGEST_PARAM));
        filterChain.continueProcessing(request, channel);
    }
}

@@ -1356,16 +1356,66 @@
 ption %7B%0A
+        if (request.hasParam(INGEST_PARAM)) %7B%0A    
         
@@ -1491,16 +1491,26 @@
 ARAM));%0A
+        %7D%0A
         

Add the ingest param to the context only if present