GuessGameApple


1   /*
2    * Copyright 1999-2004 The Apache Software Foundation.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.apache.cocoon.components.flow.apples.samples;
17  
18  import java.util.HashMap  ;
19  import java.util.Map  ;
20  import java.util.Random  ;
21  
22  import org.apache.avalon.framework.logger.AbstractLogEnabled;
23  import org.apache.cocoon.ProcessingException;
24  import org.apache.cocoon.components.flow.apples.AppleController;
25  import org.apache.cocoon.components.flow.apples.AppleRequest;
26  import org.apache.cocoon.components.flow.apples.AppleResponse;
27  
28  /**
29   * GuessGameApple shows an easy Apples implementation for a number guessing game.
30   */
31  public class GuessGameApple extends AbstractLogEnabled implements AppleController {
32  
33      private final int random = (new Random  ()).nextInt(10) + 1;
34      private int guesses = 0;
35  
36      public String   toString() {
37          return "GuessGameApple[ random=" + this.random + " | guesses=" + this.guesses + "]";
38      }
39  
40      public void process(AppleRequest req, AppleResponse res) throws ProcessingException {
41          
42          String   hint      = "No hints yet.";
43          String   targetURI = "guess/guess.jx";
44          
45          int newGuess = -1;
46          String   newGuessString = req.getCocoonRequest().getParameter("guess");
47          
48          if (newGuessString != null) {
49              newGuess = Integer.parseInt(newGuessString);
50              this.guesses++;
51  
52              if (this.random == newGuess) {
53                  targetURI = "guess/success.jx";
54              } else {
55                  if (this.random < newGuess) {
56                      hint = "Try lower.";
57                  } else {
58                      hint = "Try higher.";
59                  }
60              }
61          }
62  
63          getLogger().debug(toString());
64  
65          Map   bizdata = new HashMap  ();
66          bizdata.put("random" , "" + this.random);
67          bizdata.put("guesses", "" + this.guesses);
68          bizdata.put("hint"   , hint);
69  
70          res.sendPage(targetURI, bizdata);
71      }
72      
73  }
74
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