IfCurrentPageTag


1   package org.jahia.deprecated.taglibs.field.page;
2   
3   import java.io.IOException  ;
4   
5   import javax.servlet.ServletRequest  ;
6   import javax.servlet.jsp.JspWriter  ;
7   import javax.servlet.jsp.tagext.BodyContent  ;
8   import javax.servlet.jsp.tagext.BodyTagSupport  ;
9   
10  import org.jahia.data.JahiaData;
11  import org.jahia.services.pages.JahiaPage;
12  import org.jahia.utils.JahiaConsole;
13  
14  
15  /**
16   * Class IfCurrentPageTag : evaluates the body only if the page contained in the
17   *                          enclosing PageFieldTag is the current page
18   *                          This tag must be enclosed inside a PageField tag.
19   *
20   * @author  Jerome Tamiotti
21   */
22  public class IfCurrentPageTag extends BodyTagSupport   {
23  
24      public int doStartTag() {
25  
26          // looks for the enclosing PageField tag
27          PageFieldTag parent = (PageFieldTag) findAncestorWithClass(this, PageFieldTag.class);
28          if (parent == null) {
29              return SKIP_BODY;
30          }
31          JahiaPage thePage = parent.getPage();
32          if (thePage != null) {
33  
34              ServletRequest   request = pageContext.getRequest();
35              JahiaData jData = (JahiaData) request.getAttribute("org.jahia.data.JahiaData");
36              if (jData.page().getID() == thePage.getID()) {
37                  return EVAL_BODY_INCLUDE;
38              }
39          }
40          return SKIP_BODY;
41      }
42  
43  
44      public int doAfterBody() {
45  
46          try {
47              BodyContent   body = getBodyContent();
48              if (body != null){
49                  JspWriter   out = body.getEnclosingWriter();
50                  out.print(body.getString());
51              }
52          } catch (IOException   ioe) {
53              JahiaConsole.println("IfCurrentPageTag: doAfterBody ", ioe.toString());
54          }
55          return SKIP_BODY;
56      }
57  }
58
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