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Posted to dev@tapestry.apache.org by "Andreas Andreou (JIRA)" <ta...@jakarta.apache.org> on 2006/05/10 11:33:05 UTC
[jira] Resolved: (TAPESTRY-829) FormLinkRenderer throws NPE with
DirectlLinks
[ http://issues.apache.org/jira/browse/TAPESTRY-829?page=all ]
Andreas Andreou resolved TAPESTRY-829:
--------------------------------------
Resolution: Fixed
Thanks Ido !
> FormLinkRenderer throws NPE with DirectlLinks
> ---------------------------------------------
>
> Key: TAPESTRY-829
> URL: http://issues.apache.org/jira/browse/TAPESTRY-829
> Project: Tapestry
> Type: Bug
> Components: Contrib
> Versions: 4.0
> Environment: tapestry 4.0 rc 3
> Reporter: Ido M. Tamir
> Assignee: Andreas Andreou
> Fix For: 4.0.3
>
> From DirectLink it gets the following prameterNames: component container page service session sp
> but link.getParameterValues("container") returns null;
> my workaround is to wrap the loop in a test, then it works again.
> if( values != null ){ }
> In addition to this deprecated methods are used.
> private String generateFormFunction(String formName, ILink link, String anchor)
> {
> String[] parameterNames = link.getParameterNames();
>
> StringBuffer buf = new StringBuffer();
> buf.append("function prepare" + formName + "() {\n");
>
> buf.append(" var html = \"\";\n");
> buf.append(" html += \"<div style='position: absolute'>\";\n");
>
> String url = link.getURL(anchor, false);
> buf.append(" html += \"<form name='" + formName + "' method='post' action='" + url + "'>\";\n");
>
> for (int i = 0; i < parameterNames.length; i++) {
> String parameter = parameterNames[i];
> String[] values = link.getParameterValues(parameter);
> if( values != null ){
> for (int j = 0; j < values.length; j++) {
> String value = values[j];
> buf.append(" html += \"<input type='hidden' name='" + parameter + "' value='" + value + "'/>\";\n");
> }
> }
> }
> buf.append(" html += \"<\" + \"/form>\";\n");
> buf.append(" html += \"<\" + \"/div>\";\n");
> buf.append(" document.write(html);\n");
> buf.append("}\n");
>
> buf.append("prepare" + formName + "();\n\n");
>
> return buf.toString();
> }
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