public int doStartTag() throws JspException 
{
        // Were any error messages specified?
        ActionMessages errors = null;
        try {
            errors = TagUtils.getInstance().getActionMessages(pageContext, name);
        } catch (JspException e) {
            TagUtils.getInstance().saveException(pageContext, e);
            throw e;
        }
        if ((errors == null) || errors.isEmpty()) {
            return (EVAL_BODY_INCLUDE);
        }
        boolean headerPresent =
            TagUtils.getInstance().present(pageContext, bundle, locale, getHeader());
        boolean footerPresent =
            TagUtils.getInstance().present(pageContext, bundle, locale, getFooter());
        boolean prefixPresent =
            TagUtils.getInstance().present(pageContext, bundle, locale, getPrefix());
        boolean suffixPresent =
            TagUtils.getInstance().present(pageContext, bundle, locale, getSuffix());
        // Render the error messages appropriately
        StringBuffer results = new StringBuffer();
        boolean headerDone = false;
        String message = null;
        Iterator reports = (property == null) ? errors.get() : errors.get(property);
        while (reports.hasNext()) {
            ActionMessage report = (ActionMessage) reports.next();
            if (!headerDone) {
                if (headerPresent) {
                    message =
                        TagUtils.getInstance().message(
                            pageContext,
                            bundle,
                            locale,
                            getHeader());
                    results.append(message);
                }
                headerDone = true;
            }
            if (prefixPresent) {
                message =
                    TagUtils.getInstance().message(
                        pageContext,
                        bundle,
                        locale,
                        getPrefix());
                results.append(message);
            }
            if (report.isResource()) {
                message =
                    TagUtils.getInstance().message(
                        pageContext,
                        bundle,
                        locale,
                        report.getKey(),
                        report.getValues());
            } else {
                message = report.getKey();
            }
            if (message != null) {
                results.append(message);
            }
            if (suffixPresent) {
                message =
                    TagUtils.getInstance().message(
                        pageContext,
                        bundle,
                        locale,
                        getSuffix());
                results.append(message);
            }
        }
        if (headerDone && footerPresent) {
            message =
                TagUtils.getInstance().message(pageContext, bundle, locale, getFooter());
            results.append(message);
        }
        TagUtils.getInstance().write(pageContext, results.toString());
        return (EVAL_BODY_INCLUDE);
}

Render the specified error messages if there are any.

 public String getBundle() 
{
        return (this.bundle);
}

 public String getFooter() 
{
        return footer == null ? "errors.footer" : footer;
}

 public String getHeader() 
{
        return header == null ? "errors.header" : header;
}

 public String getLocale() 
{
        return (this.locale);
}

 public String getName() 
{
        return (this.name);
}

 public String getPrefix() 
{
        return prefix == null ? "errors.prefix" : prefix;
}

 public String getProperty() 
{
        return (this.property);
}

 public String getSuffix() 
{
        return suffix == null ? "errors.suffix" : suffix;
}

 public  void release() 
{
        super.release();
        bundle = Globals.MESSAGES_KEY;
        locale = Globals.LOCALE_KEY;
        name = Globals.ERROR_KEY;
        property = null;
        header = null;
        footer = null;
        prefix = null;
        suffix = null;
}

Release any acquired resources.

 public  void setBundle(String bundle) 
{
        this.bundle = bundle;
}

 public  void setFooter(String footer) 
{
        this.footer = footer;
}

 public  void setHeader(String header) 
{
        this.header = header;
}

 public  void setLocale(String locale) 
{
        this.locale = locale;
}

 public  void setName(String name) 
{
        this.name = name;
}

 public  void setPrefix(String prefix) 
{
        this.prefix= prefix;
}

 public  void setProperty(String property) 
{
        this.property = property;
}

 public  void setSuffix(String suffix) 
{
        this.suffix= suffix;
}