1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.kernel.poller;
24  
25  import com.liferay.portal.kernel.util.GetterUtil;
26  
27  /**
28   * <a href="BasePollerProcessor.java.html"><b><i>View Source</i></b></a>
29   *
30   * @author Brian Wing Shun Chan
31   *
32   */
33  public abstract class BasePollerProcessor implements PollerProcessor {
34  
35      public void receive(
36              PollerRequest pollerRequest, PollerResponse pollerResponse)
37          throws PollerException {
38  
39          try {
40              doReceive(pollerRequest, pollerResponse);
41          }
42          catch (Exception e) {
43              throw new PollerException(e);
44          }
45      }
46  
47      public void send(PollerRequest pollerRequest) throws PollerException {
48          try {
49              doSend(pollerRequest);
50          }
51          catch (Exception e) {
52              throw new PollerException(e);
53          }
54      }
55  
56      protected abstract void doReceive(
57              PollerRequest pollerRequest, PollerResponse pollerResponse)
58          throws Exception;
59  
60      protected abstract void doSend(PollerRequest pollerRequest)
61          throws Exception;
62  
63      protected double getDouble(
64          PollerRequest pollerRequest, String name) {
65  
66          return getDouble(pollerRequest, name, -1);
67      }
68  
69      protected double getDouble(
70          PollerRequest pollerRequest, String name, double defaultValue) {
71  
72          return GetterUtil.getDouble(
73              pollerRequest.getParameterMap().get(name), defaultValue);
74      }
75  
76      protected int getInteger(PollerRequest pollerRequest, String name) {
77          return getInteger(pollerRequest, name, -1);
78      }
79  
80      protected int getInteger(
81          PollerRequest pollerRequest, String name, int defaultValue) {
82  
83          return GetterUtil.getInteger(
84              pollerRequest.getParameterMap().get(name), defaultValue);
85      }
86  
87      protected long getLong(PollerRequest pollerRequest, String name) {
88          return getLong(pollerRequest, name, -1);
89      }
90  
91      protected long getLong(
92          PollerRequest pollerRequest, String name, long defaultValue) {
93  
94          return GetterUtil.getLong(
95              pollerRequest.getParameterMap().get(name), defaultValue);
96      }
97  
98      protected String getString(PollerRequest pollerRequest, String name) {
99          return getString(pollerRequest, name, null);
100     }
101 
102     protected String getString(
103         PollerRequest pollerRequest, String name, String defaultValue) {
104 
105         return GetterUtil.getString(
106             pollerRequest.getParameterMap().get(name), defaultValue);
107     }
108 
109 }