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(Throwable rootCause) 

Source Link

Document

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

Usage

From source file:org.hyperic.hq.ui.taglib.RecentAlertsTag.java

/**
 * Process the tag, generating and formatting the list.
 *
 * @exception JspException if the scripting variable can not be
 * found or if there is an error processing the tag
 *//*from w  w w  .  j  ava2 s . c o m*/
public final int doStartTag() throws JspException {
    try {
        HttpServletRequest request = (HttpServletRequest) pageContext.getRequest();
        ServletContext ctx = pageContext.getServletContext();

        EventsBoss eb = Bootstrap.getBean(EventsBoss.class);
        AuthzBoss ab = Bootstrap.getBean(AuthzBoss.class);

        int sessionId = RequestUtils.getSessionId(request).intValue();
        // Recent alerts in the last two hours
        List userAlerts = eb.findRecentAlerts(sessionId, maxAlerts, 0, 2 * MeasurementConstants.HOUR, null);

        if (log.isTraceEnabled()) {
            log.trace("found " + userAlerts.size() + " recent alerts");
        }

        ArrayList alertArr = new ArrayList();
        Iterator it = userAlerts.iterator();
        AuthzSubject subject = ab.getCurrentSubject(sessionId);
        for (int i = 0; i < maxAlerts && it.hasNext(); i++) {
            Escalatable alert = (Escalatable) it.next();
            AlertDefinitionInterface defInfo = alert.getDefinition().getDefinitionInfo();
            AppdefEntityID adeId = AppdefUtil.newAppdefEntityId(defInfo.getResource());
            AppdefEntityValue aVal = new AppdefEntityValue(adeId, subject);

            alertArr.add(new RecentAlertBean(alert.getId(), alert.getAlertInfo().getTimestamp(),
                    defInfo.getId(), defInfo.getName(), 0, adeId.getId(), new Integer(adeId.getType()),
                    aVal.getName(), alert.getAlertInfo().isFixed()));
        }

        Object[] recentAlerts = alertArr.toArray(new RecentAlertBean[0]);

        request.setAttribute(var, recentAlerts);
        request.setAttribute(sizeVar, new Integer(recentAlerts.length));

    } catch (SessionNotFoundException e) {
        log.warn("User is not logged in");
    } catch (SessionTimeoutException e) {
        log.warn("User session has expired");
    } catch (Exception e) {
        log.warn("Error while generating recent alerts tag", e);
        throw new JspTagException(e.getMessage());
    }
    return SKIP_BODY;
}

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From source file:se.softhouse.garden.orchid.spring.tags.OrchidMessageTag.java

/**
 * Resolve the specified message into a concrete message String. The
 * returned message String should be unescaped.
 */// ww w .ja v  a 2s .  c  o m
protected String resolveMessage() throws JspException, NoSuchMessageException {
    MessageSource messageSource = getMessageSource();
    if (messageSource == null) {
        throw new JspTagException("No corresponding MessageSource found");
    }

    try {
        String resolvedCode = ExpressionEvaluationUtils.evaluateString("code", this.code, this.pageContext);

        if (resolvedCode != null) {
            HttpServletRequest request = (HttpServletRequest) this.pageContext.getRequest();
            HttpServletResponse response = (HttpServletResponse) this.pageContext.getResponse();
            this.arguments.arg(OrchidMessageFormatLinkFunction.LINK_FUNC,
                    new OrchidMessageFormatLinkFunction(request, response));
            // We have a code or default text that we need to resolve.
            Object[] argumentsArray = new Object[] { this.arguments };
            String message = messageSource.getMessage(resolvedCode, argumentsArray,
                    getRequestContext().getLocale());
            String type = messageSource.getMessage("+.type." + resolvedCode, argumentsArray, null,
                    getRequestContext().getLocale());
            return formatMessage(message, type);
        }

        // All we have is a specified literal text.
        return this.code;
    } catch (Throwable e) {
        return this.defaultMessage;
    }
}

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

private String getPrincipalProperty(Object principal, String property) throws JspTagException {
    String strValue = null;//from w  ww  .  j a va2 s. co  m

    try {
        BeanInfo bi = Introspector.getBeanInfo(principal.getClass());

        // Loop through the properties to get the string value of the specified property
        boolean foundProperty = false;
        for (PropertyDescriptor pd : bi.getPropertyDescriptors()) {
            if (pd.getName().equals(property)) {
                Object value = pd.getReadMethod().invoke(principal, (Object[]) null);
                strValue = String.valueOf(value);
                foundProperty = true;
                break;
            }
        }

        if (!foundProperty) {
            final String message = "Property [" + property + "] not found in principal of type ["
                    + principal.getClass().getName() + "]";
            if (log.isErrorEnabled()) {
                log.error(message);
            }
            throw new JspTagException(message);
        }

    } catch (Exception e) {
        final String message = "Error reading property [" + property + "] from principal of type ["
                + principal.getClass().getName() + "]";
        if (log.isErrorEnabled()) {
            log.error(message, e);
        }
        throw new JspTagException(message, e);
    }

    return strValue;
}

---

From source file:net.ontopia.topicmaps.nav2.utils.FrameworkUtils.java

/**
 * INTERNAL: Returns the values retrieved from the given variable
 * names or qnames in the order given.//from   w ww  . j ava2s. c  om
 *
 * @param params - variable names or qnames, separated by whitespaces.
 */
private static List getMultipleValuesAsList(String params, PageContext pageContext) throws JspTagException {
    log.debug("getMultipleValuesAsList");
    // find parsecontext
    NavigatorPageIF ctxt = (NavigatorPageIF) pageContext.getAttribute(NavigatorApplicationIF.CONTEXT_KEY,
            PageContext.REQUEST_SCOPE);
    ParseContextIF pctxt = (ParseContextIF) ctxt.getDeclarationContext();

    // get the values
    String[] names = StringUtils.split(params);
    List varlist = new ArrayList(names.length);
    for (int i = 0; i < names.length; i++) {
        Collection values;

        if (names[i].indexOf(':') != -1) {
            // it's a qname
            try {
                values = Collections.singleton(pctxt.getObject(new QName(names[i])));
            } catch (AntlrWrapException e) {
                throw new JspTagException(e.getException().getMessage() + " (in action parameter list)");
            }
        } else
            // it's a variable name
            values = InteractionELSupport.extendedGetValue(names[i], pageContext);

        varlist.add(values);
    }
    return varlist;
}

---

From source file:com.redhat.rhn.frontend.taglibs.ListDisplayTagBase.java

protected void setupPageList() throws JspTagException {
    ListTag listTag = (ListTag) findAncestorWithClass(this, ListTag.class);
    if (listTag == null) {
        throw new JspTagException("Tag nesting error: " + "listDisplay must be nested in a list tag");
    }/*w ww.  j  ava2s . c  o m*/
    pageList = listTag.getPageList();
    iterator = pageList.iterator();
}

---

From source file:com.seajas.search.utilities.tags.MessageTag.java

/**
 * Resolve the specified message into a concrete message String. The returned message String should be unescaped.
 * //from www  .j a  v a 2  s . c  o m
 * @throws JspException
 * @throws NoSuchMessageException
 */
protected String resolveMessage() throws JspException, NoSuchMessageException {
    MessageSource messageSource = getMessageSource();
    if (messageSource == null) {
        throw new JspTagException("No corresponding MessageSource found");
    }

    // Evaluate the specified MessageSourceResolvable, if any.
    MessageSourceResolvable resolvedMessage = null;
    if (this.message instanceof MessageSourceResolvable) {
        resolvedMessage = (MessageSourceResolvable) this.message;
    } else if (this.message != null) {
        String expr = this.message.toString();
        resolvedMessage = (MessageSourceResolvable) ExpressionEvaluationUtils.evaluate("message", expr,
                MessageSourceResolvable.class, pageContext);
    }

    if (resolvedMessage != null) {
        // We have a given MessageSourceResolvable.
        return messageSource.getMessage(resolvedMessage, getRequestContext().getLocale());
    }

    String resolvedCode = ExpressionEvaluationUtils.evaluateString("code", this.code, pageContext);
    String resolvedText = ExpressionEvaluationUtils.evaluateString("text", this.text, pageContext);

    if (resolvedCode != null || resolvedText != null) {
        // We have a code or default text that we need to resolve.
        Object[] argumentsArray = arguments.toArray(new Object[arguments.size()]);
        if (resolvedText != null) {
            // We have a fallback text to consider.
            return messageSource.getMessage(resolvedCode, argumentsArray, resolvedText,
                    getRequestContext().getLocale());
        } else {
            // We have no fallback text to consider.
            return messageSource.getMessage(resolvedCode, argumentsArray, getRequestContext().getLocale());
        }
    }

    // All we have is a specified literal text.
    return resolvedText;
}

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From source file:org.opencms.jsp.CmsJspTagContentShow.java

/**
 * @see javax.servlet.jsp.tagext.Tag#doStartTag()
 *///from w  w  w  .j  a va2  s. c o m
@Override
public int doStartTag() throws JspException {

    // get a reference to the parent "content container" class
    Tag ancestor = findAncestorWithClass(this, I_CmsXmlContentContainer.class);
    if (ancestor == null) {
        CmsMessageContainer errMsgContainer = Messages.get().container(Messages.ERR_PARENTLESS_TAG_1,
                "contentshow");
        String msg = Messages.getLocalizedMessage(errMsgContainer, pageContext);
        throw new JspTagException(msg);
    }
    I_CmsXmlContentContainer contentContainer = (I_CmsXmlContentContainer) ancestor;

    // now get the content element value to display
    String content = contentShowTagAction(contentContainer, pageContext, getElement(), m_locale, m_escapeHtml);

    try {
        if (content != null) {
            pageContext.getOut().print(content);
        }
    } catch (IOException e) {
        if (LOG.isErrorEnabled()) {
            LOG.error(Messages.get().getBundle().key(Messages.LOG_ERR_JSP_BEAN_0), e);
        }
        throw new JspException(e);
    }

    return SKIP_BODY;
}

---

From source file:com.ei.itop.common.tag.MessageTag.java

/**
 * Resolves the message, escapes it if demanded,
 * and writes it to the page (or exposes it as variable).
 * @see #resolveMessage()/* ww  w. j  av a  2s.  c  om*/
 * @see org.springframework.web.util.HtmlUtils#htmlEscape(String)
 * @see org.springframework.web.util.JavaScriptUtils#javaScriptEscape(String)
 * @see #writeMessage(String)
 */
@Override
protected final int doStartTagInternal() throws JspException, IOException {
    try {
        // Resolve the unescaped message.
        String msg = resolveMessage();

        // HTML and/or JavaScript escape, if demanded.
        msg = isHtmlEscape() ? HtmlUtils.htmlEscape(msg) : msg;
        msg = this.javaScriptEscape ? JavaScriptUtils.javaScriptEscape(msg) : msg;

        // Expose as variable, if demanded, else write to the page.
        String resolvedVar = ExpressionEvaluationUtils.evaluateString("var", this.var, pageContext);
        if (resolvedVar != null) {
            String resolvedScope = ExpressionEvaluationUtils.evaluateString("scope", this.scope, pageContext);
            pageContext.setAttribute(resolvedVar, msg, TagUtils.getScope(resolvedScope));
        } else {
            writeMessage(msg);
        }

        return EVAL_BODY_INCLUDE;
    } catch (NoSuchMessageException ex) {
        throw new JspTagException(getNoSuchMessageExceptionDescription(ex));
    }
}

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From source file:org.terasoluna.gfw.web.message.MessagesPanelTag.java

/**
 * Creates messagesPanel tag/* ww  w  .j av a  2 s .c om*/
 * @throws JspException In case when {@link JspException} is generated later in the chain when tag configured by
 *             messagesPanel could not be created
 * @see org.springframework.web.servlet.tags.RequestContextAwareTag#doStartTagInternal()
 */
@Override
protected int doStartTagInternal() throws JspException {

    if (!StringUtils.hasText(this.panelElement) && !StringUtils.hasText(this.outerElement)
            && !StringUtils.hasText(this.innerElement)) {
        throw new JspTagException("At least one out of panelElement, outerElement, innerElement should be set");
    }

    TagWriter tagWriter = createTagWriter();

    Object messages = this.pageContext.findAttribute(messagesAttributeName);

    if (messages != null) {

        if (StringUtils.hasText(panelElement)) {
            tagWriter.startTag(panelElement); // <div>

            StringBuilder className = new StringBuilder(panelClassName);
            String type = getType(messages);

            appendPanelTypeClassPrefix(className, type);
            className.append(type);

            if (StringUtils.hasText(className)) {
                tagWriter.writeAttribute("class", className.toString());
            }
        }

        if (StringUtils.hasText(outerElement)) {
            tagWriter.startTag(outerElement); // <ul>
        }

        writeMessages(tagWriter, messages);

        if (StringUtils.hasText(outerElement)) {
            tagWriter.endTag(); // </ul>
        }

        if (StringUtils.hasText(panelElement)) {
            tagWriter.endTag(); // </div>
        }
    }

    return EVAL_BODY_INCLUDE;
}

---

From source file:org.hyperic.hq.ui.taglib.display.ResourceDecorator.java

public int doStartTag() throws JspTagException {
    ColumnTag ancestorTag = (ColumnTag) TagSupport.findAncestorWithClass(this, ColumnTag.class);

    if (ancestorTag == null) {
        throw new JspTagException("A ResourceDecorator must be used within a ColumnTag.");
    }// w  w  w . j a v  a 2  s . c o  m

    ancestorTag.setDecorator(this);

    return SKIP_BODY;
}

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