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Java > Open Source Codes > org > jahia > taglibs > url > UpdateFieldURLTag


1 package org.jahia.taglibs.url;
2
3 import javax.servlet.jsp.JspException JavaDoc;
4
5 import org.jahia.data.beans.FieldBean;
6 import org.jahia.data.fields.JahiaField;
7 import org.jahia.exceptions.JahiaException;
8
9 public class UpdateFieldURLTag extends AbstractURLTag {
10
11     private static org.apache.log4j.Logger logger =
12         org.apache.log4j.Logger.getLogger(UpdateFieldURLTag.class);
13
14     private String JavaDoc fieldName = null;
15     private JahiaField field = null;
16
17     public void setFieldName (String JavaDoc fieldName) {
18         this.fieldName = fieldName;
19     }
20
21     protected void init () {
22         if (getName() == null) {
23             if (fieldName != null) {
24                 try {
25                     this.field = getJahiaData().fields().getField(this.
26                         fieldName);
27                 } catch (JahiaException je) {
28                     logger.error("Error while retrieving field " + fieldName +
29                                  ":", je);
30                 }
31             }
32         } else {
33             FieldBean fieldBean = (FieldBean) pageContext.findAttribute(getName());
34             if (fieldBean != null) {
35                 this.field = fieldBean.getJahiaField();
36             }
37         }
38     }
39
40     protected Object JavaDoc getIdObject () {
41         String JavaDoc resultURL = null;
42         if (isWithJSPopup()) {
43             resultURL = getJSPopupURL();
44         } else {
45             resultURL = getURL();
46         }
47         if ( (resultURL != null) &&
48             (resultURL.length() > 0)) {
49             return resultURL;
50         }
51         return null;
52     }
53
54     protected String JavaDoc getURL () {
55         if (field != null) {
56             try {
57                 return getJahiaData().gui().drawUpdateFieldUrl(field);
58             } catch (JahiaException je) {
59                 logger.error("Error during URL generation:", je);
60             }
61         }
62         return null;
63     }
64
65     protected String JavaDoc getJSPopupURL () {
66         if (field != null) {
67             try {
68                 String JavaDoc popupURL = getJahiaData().gui().html().
69                                   drawUpdateFieldLauncher(field);
70                 if ( (popupURL != null) && (!"".equals(popupURL))) {
71                     return "javascript:" + popupURL;
72                 } else {
73                     return null;
74                 }
75             } catch (JahiaException je) {
76                 logger.error("Error while generating URL : ", je);
77             }
78         }
79         return null;
80     }
81
82     public int doEndTag ()
83         throws JspException JavaDoc {
84         // let's reinitialize the tag variables to allow tag object reuse in
85 // pooling.
86 super.doEndTag();
87         field = null;
88         fieldName = null;
89         return EVAL_PAGE;
90     }
91
92 }
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