Examples with GET org.elasticsearch.rest.RestRequest.Method.GET used on opensource projects

Example 1 with GET

use of org.elasticsearch.rest.RestRequest.Method.GET in project elasticsearch by elastic.

the class RestGetIndicesAction method prepareRequest.

@Override
public RestChannelConsumer prepareRequest(final RestRequest request, final NodeClient client) throws IOException {
    String[] indices = Strings.splitStringByCommaToArray(request.param("index"));
    String[] featureParams = request.paramAsStringArray("type", null);
    // Work out if the indices is a list of features
    if (featureParams == null && indices.length > 0 && indices[0] != null && indices[0].startsWith("_") && !"_all".equals(indices[0])) {
        featureParams = indices;
        indices = new String[] { "_all" };
    }
    final GetIndexRequest getIndexRequest = new GetIndexRequest();
    getIndexRequest.indices(indices);
    if (featureParams != null) {
        Feature[] features = Feature.convertToFeatures(featureParams);
        getIndexRequest.features(features);
    }
    getIndexRequest.indicesOptions(IndicesOptions.fromRequest(request, getIndexRequest.indicesOptions()));
    getIndexRequest.local(request.paramAsBoolean("local", getIndexRequest.local()));
    getIndexRequest.humanReadable(request.paramAsBoolean("human", false));
    final boolean defaults = request.paramAsBoolean("include_defaults", false);
    return channel -> client.admin().indices().getIndex(getIndexRequest, new RestBuilderListener<GetIndexResponse>(channel) {

        @Override
        public RestResponse buildResponse(final GetIndexResponse response, final XContentBuilder builder) throws Exception {
            builder.startObject();
            {
                for (final String index : response.indices()) {
                    builder.startObject(index);
                    {
                        for (final Feature feature : getIndexRequest.features()) {
                            switch(feature) {
                                case ALIASES:
                                    writeAliases(response.aliases().get(index), builder, request);
                                    break;
                                case MAPPINGS:
                                    writeMappings(response.mappings().get(index), builder);
                                    break;
                                case SETTINGS:
                                    writeSettings(response.settings().get(index), builder, request, defaults);
                                    break;
                                default:
                                    throw new IllegalStateException("feature [" + feature + "] is not valid");
                            }
                        }
                    }
                    builder.endObject();
                }
            }
            builder.endObject();
            return new BytesRestResponse(OK, builder);
        }

        private void writeAliases(final List<AliasMetaData> aliases, final XContentBuilder builder, final Params params) throws IOException {
            builder.startObject("aliases");
            {
                if (aliases != null) {
                    for (final AliasMetaData alias : aliases) {
                        AliasMetaData.Builder.toXContent(alias, builder, params);
                    }
                }
            }
            builder.endObject();
        }

        private void writeMappings(final ImmutableOpenMap<String, MappingMetaData> mappings, final XContentBuilder builder) throws IOException {
            builder.startObject("mappings");
            {
                if (mappings != null) {
                    for (final ObjectObjectCursor<String, MappingMetaData> typeEntry : mappings) {
                        builder.field(typeEntry.key);
                        builder.map(typeEntry.value.sourceAsMap());
                    }
                }
            }
            builder.endObject();
        }

        private void writeSettings(final Settings settings, final XContentBuilder builder, final Params params, final boolean defaults) throws IOException {
            builder.startObject("settings");
            {
                settings.toXContent(builder, params);
            }
            builder.endObject();
            if (defaults) {
                builder.startObject("defaults");
                {
                    settingsFilter.filter(indexScopedSettings.diff(settings, RestGetIndicesAction.this.settings)).toXContent(builder, request);
                }
                builder.endObject();
            }
        }
    });
}