/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.
*/
package org.elasticsearch.rest.action.support;
import org.elasticsearch.ElasticsearchIllegalArgumentException;
import org.elasticsearch.action.ShardOperationFailedException;
import org.elasticsearch.action.support.QuerySourceBuilder;
import org.elasticsearch.action.support.broadcast.BroadcastOperationResponse;
import org.elasticsearch.common.bytes.BytesArray;
import org.elasticsearch.common.bytes.BytesReference;
import org.elasticsearch.common.lucene.uid.Versions;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentBuilderString;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.index.query.QueryStringQueryBuilder;
import org.elasticsearch.rest.RestRequest;
import java.io.IOException;
/**
*
*/
public class RestActions {
public static long parseVersion(RestRequest request) {
if (request.hasParam("version")) {
return request.paramAsLong("version", Versions.MATCH_ANY);
}
String ifMatch = request.header("If-Match");
if (ifMatch != null) {
return Long.parseLong(ifMatch);
}
return Versions.MATCH_ANY;
}
static final class Fields {
static final XContentBuilderString _SHARDS = new XContentBuilderString("_shards");
static final XContentBuilderString TOTAL = new XContentBuilderString("total");
static final XContentBuilderString SUCCESSFUL = new XContentBuilderString("successful");
static final XContentBuilderString FAILED = new XContentBuilderString("failed");
static final XContentBuilderString FAILURES = new XContentBuilderString("failures");
static final XContentBuilderString INDEX = new XContentBuilderString("index");
static final XContentBuilderString SHARD = new XContentBuilderString("shard");
static final XContentBuilderString REASON = new XContentBuilderString("reason");
}
public static void buildBroadcastShardsHeader(XContentBuilder builder, BroadcastOperationResponse response) throws IOException {
builder.startObject(Fields._SHARDS);
builder.field(Fields.TOTAL, response.getTotalShards());
builder.field(Fields.SUCCESSFUL, response.getSuccessfulShards());
builder.field(Fields.FAILED, response.getFailedShards());
if (response.getShardFailures() != null && response.getShardFailures().length > 0) {
builder.startArray(Fields.FAILURES);
for (ShardOperationFailedException shardFailure : response.getShardFailures()) {
builder.startObject();
if (shardFailure.index() != null) {
builder.field(Fields.INDEX, shardFailure.index(), XContentBuilder.FieldCaseConversion.NONE);
}
if (shardFailure.shardId() != -1) {
builder.field(Fields.SHARD, shardFailure.shardId());
}
builder.field(Fields.REASON, shardFailure.reason());
builder.endObject();
}
builder.endArray();
}
builder.endObject();
}
public static QuerySourceBuilder parseQuerySource(RestRequest request) {
String queryString = request.param("q");
if (queryString == null) {
return null;
}
QueryStringQueryBuilder queryBuilder = QueryBuilders.queryString(queryString);
queryBuilder.defaultField(request.param("df"));
queryBuilder.analyzer(request.param("analyzer"));
String defaultOperator = request.param("default_operator");
if (defaultOperator != null) {
if ("OR".equals(defaultOperator)) {
queryBuilder.defaultOperator(QueryStringQueryBuilder.Operator.OR);
} else if ("AND".equals(defaultOperator)) {
queryBuilder.defaultOperator(QueryStringQueryBuilder.Operator.AND);
} else {
throw new ElasticsearchIllegalArgumentException("Unsupported defaultOperator [" + defaultOperator + "], can either be [OR] or [AND]");
}
}
return new QuerySourceBuilder().setQuery(queryBuilder);
}
/**
* Get Rest content from either payload or source parameter
* @param request Rest request
* @return rest content
*/
public static BytesReference getRestContent(RestRequest request) {
assert request != null;
BytesReference content = request.content();
if (!request.hasContent()) {
String source = request.param("source");
if (source != null) {
content = new BytesArray(source);
}
}
return content;
}
}