Java tutorial
/* * Copyright 2014 Jakub Jirutka <jakub@jirutka.cz>. * * 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 cz.jirutka.spring.http.client.cache.internal; import lombok.Data; import lombok.EqualsAndHashCode; import net.jcip.annotations.NotThreadSafe; import org.springframework.http.HttpHeaders; import org.springframework.http.HttpStatus; import org.springframework.http.client.ClientHttpResponse; import org.springframework.util.Assert; import java.io.ByteArrayInputStream; import java.io.InputStream; import java.io.Serializable; import java.util.LinkedList; import java.util.List; import java.util.Map.Entry; @Data @EqualsAndHashCode(doNotUseGetters = true) @NotThreadSafe //HttpStatus is mutable public class InMemoryClientHttpResponse implements ClientHttpResponse, Serializable { private static final long serialVersionUID = 1L; private final byte[] body; private final HttpStatus statusCode; private final HttpHeaders headers; public InMemoryClientHttpResponse(byte[] body, HttpStatus statusCode, HttpHeaders headers) { Assert.notNull(statusCode, "statusCode must not be null"); this.body = body != null ? body : new byte[0]; this.statusCode = statusCode; this.headers = headers != null ? headers : new HttpHeaders(); } public InputStream getBody() { return new ByteArrayInputStream(body); } public byte[] getBodyAsByteArray() { return body; } public int getRawStatusCode() { return statusCode.value(); } public String getStatusText() { return statusCode.getReasonPhrase(); } public void close() { // do nothing } public InMemoryClientHttpResponse deepCopy() { HttpHeaders headersCopy = new HttpHeaders(); for (Entry<String, List<String>> entry : headers.entrySet()) { headersCopy.put(entry.getKey(), new LinkedList<>(entry.getValue())); } return new InMemoryClientHttpResponse(body.clone(), statusCode, headersCopy); } }