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.sharepoint.methods;
24  
25  import com.liferay.portal.kernel.util.StringPool;
26  import com.liferay.portal.sharepoint.ResponseElement;
27  import com.liferay.portal.sharepoint.SharepointException;
28  import com.liferay.portal.sharepoint.SharepointRequest;
29  import com.liferay.portal.sharepoint.SharepointUtil;
30  import com.liferay.util.servlet.ServletResponseUtil;
31  
32  import java.util.List;
33  
34  /**
35   * <a href="BaseMethodImpl.java.html"><b><i>View Source</i></b></a>
36   *
37   * @author Bruno Farache
38   *
39   */
40  public abstract class BaseMethodImpl implements Method {
41  
42      public String getRootPath(SharepointRequest sharepointRequest) {
43          return StringPool.BLANK;
44      }
45  
46      public void process(SharepointRequest sharepointRequest)
47          throws SharepointException {
48  
49          try {
50              doProcess(sharepointRequest);
51          }
52          catch (Exception e) {
53              throw new SharepointException(e);
54          }
55      }
56  
57      protected abstract List<ResponseElement> getElements(
58              SharepointRequest sharepointRequest)
59          throws Exception;
60  
61      protected void doProcess(SharepointRequest sharepointRequest)
62          throws Exception {
63  
64          ServletResponseUtil.write(
65              sharepointRequest.getHttpServletResponse(),
66              getResponseBuffer(sharepointRequest).toString());
67      }
68  
69      protected StringBuilder getResponseBuffer(
70              SharepointRequest sharepointRequest)
71          throws Exception {
72  
73          StringBuilder sb = new StringBuilder();
74  
75          SharepointUtil.addTop(sb, getMethodName());
76  
77          List<ResponseElement> elements = getElements(sharepointRequest);
78  
79          for (ResponseElement element : elements) {
80              sb.append(element.parse());
81          }
82  
83          SharepointUtil.addBottom(sb);
84  
85          return sb;
86      }
87  
88  }