Java tutorial
package net.eusashead.hateoas.response.impl; /* * #[license] * spring-responseentitybuilder * %% * Copyright (C) 2013 Eusa's Head * %% * 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. * %[license] */ import java.util.Date; import javax.servlet.http.HttpServletRequest; import net.eusashead.hateoas.header.ETagHeaderStrategy; import net.eusashead.hateoas.response.PutResponseBuilder; import org.springframework.http.HttpStatus; import org.springframework.http.ResponseEntity; public class PutResponseBuilderImpl<T> extends AbstractEntityResponseBuilder<Void, T> implements PutResponseBuilder<T> { private boolean isCreate = false; public PutResponseBuilderImpl(HttpServletRequest request) { super(request); } @Override protected void assertVerb() { if (!this.request.getMethod().equals("PUT")) { throw new RuntimeException("This ResponseBuilder handles PUT requests only."); } }; @Override public ResponseEntity<Void> build() { ResponseEntity<Void> responseEntity; if (isCreate) { responseEntity = new ResponseEntity<Void>(this.headers, HttpStatus.CREATED); } else { responseEntity = new ResponseEntity<Void>(this.headers, HttpStatus.NO_CONTENT); } return responseEntity; } @Override public PutResponseBuilder<T> entity(T entity) { super.setEntity(entity); return this; } @Override public PutResponseBuilder<T> etag() { super.setEtagHeader(); return this; } @Override public PutResponseBuilder<T> etag(ETagHeaderStrategy strategy) { super.setEtagHeader(strategy); return this; } @Override public PutResponseBuilder<T> etag(Date date) { super.setEtagHeader(date); return this; } @Override public PutResponseBuilder<T> etag(Integer version) { super.setEtagHeader(version); return this; } @Override public PutResponseBuilder<T> lastModified(Date date) { super.setLastModifiedHeader(date); return this; } @Override public PutResponseBuilder<T> isCreate() { this.isCreate = true; return this; } }