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     public final static HttpStatusMessage PROPERTY_NOT_FOUND = new HttpStatusMessage(HttpServletResponse.SC_NOT_FOUND, "property not found");
  33
  34     public final static HttpStatusMessage INTERNAL_ERROR = new HttpStatusMessage(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, "internal server error");
  35
  36
  37     private int statusCode;
  38
  39     private final String message;
  40
  41     private final  String statusMessage;
  42
  43     private static Hashtable<String , HttpStatusMessage> cache;
  44
  45     private HttpStatusMessage(int statusCode, String message) {
  46         this.statusCode = statusCode;
  47         this.message = message;
  48         this.statusMessage = StringUtils.leftPad(Integer.toString(statusCode), 3, "0") + message;
  49         if(cache == null) {
  50              cache = new Hashtable<String , HttpStatusMessage>();
  51         }
  52         HttpStatusMessage.cache.put(statusMessage, this);
  53     }
  54
  55     public int getStatusCode() {
  56         return statusCode;
  57     }
  58
  59     public HttpStatusMessage setStatusCode(int statusCode) {
  60         this.statusCode = statusCode;
  61         return this;
  62     }
  63
  64     public String getMessage() {
  65         return message;
  66     }
  67
  68     @Override
  69     public String toString() {
  70         return statusMessage;
  71     }
  72
  73     public static HttpStatusMessage fromString(String statusMessage) {
  74         return cache.get(statusMessage);
  75     }
  76
  77     public void send(HttpServletResponse response) throws IOException{
  78         response.sendError(getStatusCode(), getMessage());
  79     }
  80
  81 }