/*
* Licensed to Luca Cavanna (the "Author") under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Elastic Search 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.shell.client.builders.indices;
import org.elasticsearch.action.ActionFuture;
import org.elasticsearch.action.admin.cluster.state.ClusterStateRequest;
import org.elasticsearch.action.admin.cluster.state.ClusterStateResponse;
import org.elasticsearch.client.Client;
import org.elasticsearch.cluster.metadata.IndexTemplateMetaData;
import org.elasticsearch.cluster.metadata.MetaData;
import org.elasticsearch.common.compress.CompressedString;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.shell.client.builders.AbstractRequestBuilderJsonOutput;
import org.elasticsearch.shell.json.JsonToString;
import org.elasticsearch.shell.json.StringToJson;
import java.io.IOException;
import java.util.Map;
/**
* @author Luca Cavanna
*
* Request builder for (get) index template API
*/
@SuppressWarnings("unused")
public class GetIndexTemplateRequestBuilder<JsonInput, JsonOutput> extends AbstractRequestBuilderJsonOutput<ClusterStateRequest, ClusterStateResponse, JsonInput, JsonOutput> {
public GetIndexTemplateRequestBuilder(Client client, JsonToString<JsonInput> jsonToString, StringToJson<JsonOutput> stringToJson) {
super(client, new ClusterStateRequest(), jsonToString, stringToJson);
this.request.filterRoutingTable(true).filterNodes(true)
.filteredIndices("_na").listenerThreaded(false);
}
public GetIndexTemplateRequestBuilder<JsonInput, JsonOutput> names(String... names) {
this.request.filteredIndexTemplates(names);
return this;
}
@Override
protected ActionFuture<ClusterStateResponse> doExecute(ClusterStateRequest request) {
return client.admin().cluster().state(request);
}
@Override
@SuppressWarnings("unchecked")
protected XContentBuilder toXContent(ClusterStateRequest request, ClusterStateResponse response, XContentBuilder builder) throws IOException {
MetaData metaData = response.getState().metaData();
builder.startObject();
for (IndexTemplateMetaData indexMetaData : metaData.templates().values()) {
builder.startObject(indexMetaData.name(), XContentBuilder.FieldCaseConversion.NONE);
builder.field("template", indexMetaData.template());
builder.field("order", indexMetaData.order());
builder.startObject("settings");
for (Map.Entry<String, String> entry : indexMetaData.settings().getAsMap().entrySet()) {
builder.field(entry.getKey(), entry.getValue());
}
builder.endObject();
builder.startObject("mappings");
for (Map.Entry<String, CompressedString> entry : indexMetaData.mappings().entrySet()) {
byte[] mappingSource = entry.getValue().uncompressed();
XContentParser parser = XContentFactory.xContent(mappingSource).createParser(mappingSource);
Map<String, Object> mapping = parser.map();
if (mapping.size() == 1 && mapping.containsKey(entry.getKey())) {
// the type name is the root value, reduce it
mapping = (Map<String, Object>) mapping.get(entry.getKey());
}
builder.field(entry.getKey());
builder.map(mapping);
}
builder.endObject();
builder.endObject();
}
builder.endObject();
return builder;
}
}