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RestExtendedAnalyzeAction.java
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/
RestExtendedAnalyzeAction.java
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/*
* Copyright 2013 Jun Ohtani
*
* Licensed 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.
*/
package info.johtani.elasticsearch.rest.action.admin.indices.analyze;
import org.elasticsearch.ElasticsearchIllegalArgumentException;
import org.elasticsearch.action.ActionListener;
import info.johtani.elasticsearch.action.admin.indices.extended.analyze.ExtendedAnalyzeAction;
import info.johtani.elasticsearch.action.admin.indices.extended.analyze.ExtendedAnalyzeRequest;
import info.johtani.elasticsearch.action.admin.indices.extended.analyze.ExtendedAnalyzeResponse;
import org.elasticsearch.client.Client;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.rest.*;
import java.io.IOException;
import static org.elasticsearch.rest.RestRequest.Method.*;
import static org.elasticsearch.rest.RestStatus.*;
import static org.elasticsearch.rest.action.support.RestXContentBuilder.*;
/**
* Extended _analyze for REST endpoint
*/
public class RestExtendedAnalyzeAction extends BaseRestHandler {
@Inject
public RestExtendedAnalyzeAction(Settings settings, Client client, RestController controller) {
super(settings, client);
controller.registerHandler(GET, "/_extended_analyze", this);
controller.registerHandler(GET, "/{index}/_extended_analyze", this);
controller.registerHandler(POST, "/_extended_analyze", this);
controller.registerHandler(POST, "/{index}/_extended_analyze", this);
}
@Override
public void handleRequest(final RestRequest request, final RestChannel channel) {
String text = request.param("text");
if (text == null && request.hasContent()) {
text = request.content().toUtf8();
}
if (text == null) {
try {
channel.sendResponse(new XContentThrowableRestResponse(request, new ElasticsearchIllegalArgumentException("text is missing")));
} catch (IOException e1) {
logger.warn("Failed to send response", e1);
}
return;
}
ExtendedAnalyzeRequest analyzeRequest = new ExtendedAnalyzeRequest(request.param("index"), text);
analyzeRequest.listenerThreaded(false);
analyzeRequest.preferLocal(request.paramAsBoolean("prefer_local", analyzeRequest.preferLocalShard()));
analyzeRequest.analyzer(request.param("analyzer"));
analyzeRequest.field(request.param("field"));
analyzeRequest.tokenizer(request.param("tokenizer"));
analyzeRequest.tokenFilters(request.paramAsStringArray("token_filters", request.paramAsStringArray("filters", null)));
analyzeRequest.tokenChain(request.paramAsBoolean("token_chain", analyzeRequest.tokenChain()));
analyzeRequest.attributes(request.paramAsStringArray("attributes", null));
client.admin().indices().execute(ExtendedAnalyzeAction.INSTANCE, analyzeRequest, new ActionListener<ExtendedAnalyzeResponse>() {
@Override
public void onResponse(ExtendedAnalyzeResponse response) {
try {
XContentBuilder builder = restContentBuilder(request, null);
builder.startObject();
response.toXContent(builder, request);
builder.endObject();
channel.sendResponse(new XContentRestResponse(request, OK, builder));
} catch (Throwable e) {
onFailure(e);
}
}
@Override
public void onFailure(Throwable e) {
try {
channel.sendResponse(new XContentThrowableRestResponse(request, e));
} catch (IOException e1) {
logger.error("Failed to send failure response", e1);
}
}
});
}
}