| <!-- |
| /***************************************************************** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF 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 |
| * |
| * https://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. |
| ****************************************************************/ |
| --> |
| <%@ page language="java" contentType="text/html" %> |
| <%@ page import="org.apache.cayenne.tutorial.persistent.*" %> |
| <%@ page import="org.apache.cayenne.*" %> |
| <%@ page import="java.time.format.DateTimeFormatter"%> |
| |
| // tag::content[] |
| <% |
| ObjectContext context = BaseContext.getThreadObjectContext(); |
| String id = request.getParameter("id"); |
| |
| // find artist for id |
| Artist artist = null; |
| if(id != null && id.trim().length() > 0) { |
| artist = Cayenne.objectForPK(context, Artist.class, Integer.parseInt(id)); |
| } |
| |
| if("POST".equals(request.getMethod())) { |
| // if no id is saved in the hidden field, we are dealing with |
| // create new artist request |
| if(artist == null) { |
| artist = context.newObject(Artist.class); |
| } |
| |
| // note that in a real application we would so dome validation ... |
| // here we just hope the input is correct |
| artist.setName(request.getParameter("name")); |
| artist.setDateOfBirthString(request.getParameter("dateOfBirth")); |
| |
| context.commitChanges(); |
| |
| response.sendRedirect("index.jsp"); |
| } |
| |
| if(artist == null) { |
| // create transient artist for the form response rendering |
| artist = new Artist(); |
| } |
| |
| String name = artist.getName() == null ? "" : artist.getName(); |
| DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyyMMdd"); |
| String dob = artist.getDateOfBirth() == null |
| ? "" :artist.getDateOfBirth().format(formatter); |
| %> |
| <html> |
| <head> |
| <title>Artist Details</title> |
| </head> |
| <body> |
| <h2>Artists Details</h2> |
| <form name="EditArtist" action="detail.jsp" method="POST"> |
| <input type="hidden" name="id" value="<%= id != null ? id : "" %>" /> |
| <table border="0"> |
| <tr> |
| <td>Name:</td> |
| <td><input type="text" name="name" value="<%= name %>"/></td> |
| </tr> |
| <tr> |
| <td>Date of Birth (yyyyMMdd):</td> |
| <td><input type="text" name="dateOfBirth" value="<%= dob %>"/></td> |
| </tr> |
| <tr> |
| <td></td> |
| <td align="right"><input type="submit" value="Save" /></td> |
| </tr> |
| </table> |
| </form> |
| </body> |
| </html> |
| // end::content[] |
