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1   /*
2    * Copyright 2002-2004 the original author or authors.
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  
17  package net.sf.fridaymvc;
18  
19  /***
20   * @author <a href="mailto:arto.pastinen@ofw.fi">Arto Pastinen</a>
21   * @version $Id: Parameters.java,v 1.2 2004/11/23 20:35:56 artsi Exp $
22   */
23  
24  public class Parameters {
25      protected final ThreadLocal prefix = new ThreadLocal();
26  
27      public void setPrefix(String prefix) {
28          this.prefix.set(prefix);
29      }
30      
31      public String getPrefix() {
32          return (String) this.prefix.get();
33      }
34      
35      public String get(String name) {
36          String prefix = getPrefix();
37          if(prefix == null) return RunData.getInstance().getHttpServletRequest().getParameter(name); 
38          return RunData.getInstance().getHttpServletRequest().getParameter(prefix + name);
39      }
40      
41      public Integer getInteger(String fieldName) {
42          try {
43              return new Integer(getString(fieldName));
44          }
45          catch(NumberFormatException nfe) {
46              return null;
47          }
48      }
49      
50      public String getString(String key) {
51          String value = get(key);
52          if(value == null) return "";
53          return value;
54      }
55  }