Free 1Z0-858 Web TestEngine Demo

Q37 Single choice

You are creating a library of custom tags that mimic the HTML form tags. When the user submits a form
that fails validation, the JSP form is forwarded back to the user. The <t:textField> tag must support the
ability to re-populate the form field with the request parameters from the user's last request. For example, if the user entered "Samantha" in the text field called firstName, then the form is re-populated like this:

<input type='text' name='firstName' value='Samantha' />

Which tag handler method will accomplish this goal?

A
public int doStartTag() throws JspException {JspContext ctx = getJspContext();String value =
ctx.getParameter(this.name);if ( value == null ) value = "";JspWriter out = pageContext.getOut();try
{out.write(String.format(INPUT, this.name, value));} (Exception e) { throw new JspException(e); } return
SKIP_BODY;}private static String INPUT= "<input type='text' name='%s' value='%s' />";
B
public void doTag() throws JspException {JspContext ctx = getJspContext();String value =
ctx.getParameter(this.name);if ( value == null ) value = "";JspWriter out = pageContext.getOut();try
{out.write(String.format(INPUT, this.name, value));} (Exception e) { throw new JspException(e); }}
private static String INPUT= "<input type='text' name='%s' value='%s' />";
C
public int doStartTag() throws JspException {ServletRequet request = pageContext.getRequest();String
value = request.getParameter(this.name);if ( value == null ) value = "";JspWriter out =
pageContext.getOut();try {out.write(String.format(INPUT, this.name, value));} (Exception e) { throw new
JspException(e); }return SKIP_BODY;}private static String INPUT= "<input type='text' name='%s'
value='%s' />";
D
public void doTag() throws JspException { ServletRequet request = pageContext.getRequest();String
value = request.getParameter(this.name);if ( value == null ) value = "";JspWriter out =
pageContext.getOut();try {out.write(String.format(INPUT, this.name, value));} (Exception e) { throw new
JspException(e); }}private static String INPUT= "<input type='text' name='%s' value='%s' />";

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