Java tutorial
package org.zalando.riptide; /* * ? * Riptide * ?? * Copyright (C) 2015 Zalando SE * ?? * 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. * ? */ import org.springframework.http.HttpStatus; import org.springframework.http.client.ClientHttpResponse; import java.io.IOException; import java.util.Optional; /** * @see Selectors#series() */ final class SeriesSelector implements Selector<HttpStatus.Series> { @Override public Optional<HttpStatus.Series> attributeOf(final ClientHttpResponse response) throws IOException { return Optional.of(response.getStatusCode().series()); } }