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21 package org.apache.struts.taglib.nested.html;
22
23 import org.apache.struts.taglib.html.SubmitTag;
24 import org.apache.struts.taglib.nested.NestedPropertyHelper;
25 import org.apache.struts.taglib.nested.NestedPropertySupport;
26
27 import javax.servlet.http.HttpServletRequest;
28 import javax.servlet.jsp.JspException;
29
30 /**
31 * NestedSubmitTag.
32 *
33 * @version $Rev: 471754 $ $Date: 2004-10-16 12:38:42 -0400 (Sat, 16 Oct 2004)
34 * $
35 * @since Struts 1.1
36 */
37 public class NestedSubmitTag extends SubmitTag implements NestedPropertySupport {
38
39 private String originalProperty = null;
40
41 /**
42 * Overriding method of the heart of the matter. Gets the relative
43 * property and leaves the rest up to the original tag implementation.
44 * Sweet.
45 *
46 * @return int JSP continuation directive. This is in the hands of the
47 * super class.
48 */
49 public int doStartTag() throws JspException {
50
51 originalProperty = getProperty();
52
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54 HttpServletRequest request =
55 (HttpServletRequest) pageContext.getRequest();
56
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58 NestedPropertyHelper.setNestedProperties(request, this);
59
60
61 return super.doStartTag();
62 }
63
64 /**
65 * Complete the processing of the tag. The nested tags here will restore
66 * all the original value for the tag itself and the nesting context.
67 *
68 * @return int to describe the next step for the JSP processor
69 * @throws JspException for the bad things JSP's do
70 */
71 public int doEndTag() throws JspException {
72
73 int i = super.doEndTag();
74
75
76 setProperty(originalProperty);
77
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79 return i;
80 }
81
82 /**
83 * Release the tag's resources and reset the values.
84 */
85 public void release() {
86 super.release();
87
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89 originalProperty = null;
90 }
91 }