Example usage for javax.servlet.jsp JspTagException JspTagException

Introduction

In this page you can find the example usage for javax.servlet.jsp JspTagException JspTagException.

Prototype

public JspTagException(String message, Throwable rootCause) 

Source Link

Document

Constructs a new JspTagException when the JSP Tag needs to throw an exception and include a message about the "root cause" exception that interfered with its normal operation, including a description message.

Usage

From source file:org.jsecurity.web.tags.PrincipalTag.java

@SuppressWarnings({ "unchecked" })
public int onDoStartTag() throws JspException {
    String strValue = null;//from w  ww .  ja va2  s . c o  m

    if (getSubject() != null) {

        // Get the principal to print out
        Object principal;

        if (type == null) {
            principal = getSubject().getPrincipal();
        } else {
            principal = getPrincipalFromClassName();
        }

        // Get the string value of the principal
        if (principal != null) {
            if (property == null) {
                strValue = principal.toString();
            } else {
                strValue = getPrincipalProperty(principal, property);
            }
        }

    }

    // Print out the principal value if not null
    if (strValue != null) {
        try {
            pageContext.getOut().write(strValue);
        } catch (IOException e) {
            throw new JspTagException("Error writing [" + strValue + "] to JSP.", e);
        }
    }

    return SKIP_BODY;
}

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From source file:org.openmrs.module.web.taglib.ExtensionPointTag.java

/**
 * @see javax.servlet.jsp.tagext.Tag#doEndTag()
 *//*from w  w w  . j  a va2  s  .  c o  m*/
public int doEndTag() throws JspException {
    try {
        if (getBodyContent() != null) {
            if (log.isDebugEnabled()) {
                log.debug("Ending tag: " + bodyContent.getString());
            }
            if (extensions != null) {
                getBodyContent().writeOut(bodyContent.getEnclosingWriter());
            }
            bodyContent.clearBody();
        } else {
            // the tag doesn't have a body, so initBody and doAfterBody have
            // not been called. Do iterations now
            while (extensions != null && extensions.hasNext()) {
                Extension ext = extensions.next();
                ext.initialize(parameterMap);
                String overrideContent = ext.getOverrideContent("");
                if (overrideContent != null) {
                    pageContext.getOut().write(overrideContent);
                }
            }
        }
    } catch (java.io.IOException e) {
        throw new JspTagException("IO Error while ending tag for point: " + pointId, e);
    }
    release();
    return EVAL_PAGE;
}

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