cdmlib-remote/src/main/java/eu/etaxonomy/cdm/remote/controller/HttpStatusMessage.java

   1 // $Id$
   2 /**
   3 * Copyright (C) 2009 EDIT
   4 * European Distributed Institute of Taxonomy
   5 * http://www.e-taxonomy.eu
   6 *
   7 * The contents of this file are subject to the Mozilla Public License Version 1.1
   8 * See LICENSE.TXT at the top of this package for the full license terms.
   9 */
  10 package eu.etaxonomy.cdm.remote.controller;
  11
  12 import java.io.IOException;
  13 import java.util.Hashtable;
  14
  15 import javax.servlet.http.HttpServletResponse;
  16
  17 import org.apache.commons.lang.StringUtils;
  18
  19
  20 /**
  21  * @author a.kohlbecker
  22  * @date 06.04.2009
  23  *
  24  */
  25 public class HttpStatusMessage {
  26
  27         public final static HttpStatusMessage UUID_MISSING = new HttpStatusMessage(HttpServletResponse.SC_BAD_REQUEST, "missing uuid parameter");
  28         public final static HttpStatusMessage UUID_INVALID = new HttpStatusMessage(HttpServletResponse.SC_BAD_REQUEST, "invalid uuid");
  29         public final static HttpStatusMessage UUID_NOT_FOUND = new HttpStatusMessage(HttpServletResponse.SC_NOT_FOUND, "uuid not found");
  30         public final static HttpStatusMessage UUID_REFERENCES_WRONG_TYPE = new HttpStatusMessage(HttpServletResponse.SC_NOT_FOUND, "uuid references wrong type");
  31
  32
  33
  34         private int statusCode;
  35
  36         private String message;
  37
  38         private  String statusMessage;
  39
  40         private static Hashtable<String , HttpStatusMessage> cache;
  41
  42         private HttpStatusMessage(int statusCode, String message) {
  43                 this.statusCode = statusCode;
  44                 this.message = message;
  45                 this.statusMessage = StringUtils.leftPad(Integer.toString(statusCode), 3, "0") + message;
  46                 if(cache == null) {
  47                          cache = new Hashtable<String , HttpStatusMessage>();
  48                 }
  49                 HttpStatusMessage.cache.put(statusMessage, this);
  50         }
  51
  52         public int getStatusCode() {
  53                 return statusCode;
  54         }
  55
  56         public String getMessage() {
  57                 return message;
  58         }
  59
  60         public String toString() {
  61                 return statusMessage;
  62         }
  63
  64         public static HttpStatusMessage fromString(String statusMessage) {
  65                 return cache.get(statusMessage);
  66         }
  67
  68         public void send(HttpServletResponse response) throws IOException{
  69                 response.sendError(getStatusCode(), getMessage());
  70         }
  71
  72 }